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varnish-cache
Commit 7491696a authored by Nils Goroll's avatar Nils Goroll
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add fail to dot graphs, improve vcl(label) a bit

parent 0b0a8e8b
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Showing with 488 additions and 457 deletions
doc/graphviz/cache_fetch.dot
View file @ 7491696a
......@@ -39,7 +39,7 @@ digraph cache_fetch {
/* vbf_stp_startfetch() */
v_b_f [
shape=record
label="{vbf_stp_startfetch:|{vcl_backend_fetch\{\}|bereq.*}|{abandon|<fetch>fetch}}"
label="{vbf_stp_startfetch:|{vcl_backend_fetch\{\}|bereq.*}|{fail|abandon|<fetch>fetch}}"
]
v_b_f:fetch:s -> v_b_hdrs [style=bold]
v_b_hdrs [ label="send bereq,\nread beresp (headers)"]
......@@ -47,7 +47,7 @@ digraph cache_fetch {
v_b_hdrs -> v_b_e
v_b_r [
shape=record
label="{vbf_stp_startfetch:|{vcl_backend_response\{\}|{bereq.*|beresp.*}}|{{retry|{<max>max?|<retry>ok?}}|abandon|{deliver or pass|{<fetch_304>304?|<non_304>other?}}}}"
label="{vbf_stp_startfetch:|{vcl_backend_response\{\}|{bereq.*|beresp.*}}|{fail|{retry|{<max>max?|<retry>ok?}}|abandon|{deliver or pass|{<fetch_304>304?|<non_304>other?}}}}"
]
v_b_r:retry -> v_b_r_retry [color=purple]
v_b_r:max -> v_b_e
......@@ -96,7 +96,7 @@ digraph cache_fetch {
/* vbf_stp_error */
v_b_e [
shape=record
label="{vbf_stp_error:|{vcl_backend_error\{\}|{bereq.*|beresp.*}}|{{retry|{<max>max?|<retry>ok?}}|abandon|<deliver>deliver}}}"
label="{vbf_stp_error:|{vcl_backend_error\{\}|{bereq.*|beresp.*}}|{{retry|{<fail>fail|<max>max?|<retry>ok?}}|abandon|<deliver>deliver}}}"
]
// v_b_e:deliver aka "backend synth" - goes into cache
v_b_e:deliver -> FETCH_DONE [label="\"backend synth\""]
......
doc/graphviz/cache_fetch.svg
View file @ 7491696a
......@@ -4,274 +4,280 @@
<!-- Generated by graphviz version 2.38.0 (20140413.2041)
-->
<!-- Title: cache_fetch Pages: 1 -->
<svg width="665pt" height="1052pt"
viewBox="36.00 36.00 629.00 1015.74" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<svg width="720pt" height="1052pt"
viewBox="36.00 36.00 684.00 1015.74" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g id="graph0" class="graph" transform="scale(1 1) rotate(0) translate(40 1011.74)">
<title>cache_fetch</title>
<polygon fill="white" stroke="none" points="-4,4 -4,-975.74 589,-975.74 589,4 -4,4"/>
<polygon fill="white" stroke="none" points="-4,4 -4,-975.74 644,-975.74 644,4 -4,4"/>
<g id="clust1" class="cluster"><title>cluster_backend</title>
<polygon fill="aliceblue" stroke="aliceblue" points="8,-8 8,-963.74 577,-963.74 577,-8 8,-8"/>
<polygon fill="aliceblue" stroke="aliceblue" points="8,-8 8,-963.74 632,-963.74 632,-8 8,-8"/>
</g>
<!-- RETRY -->
<g id="node1" class="node"><title>RETRY</title>
<text text-anchor="middle" x="383" y="-942.04" font-family="Times,serif" font-size="14.00">RETRY</text>
<text text-anchor="middle" x="396" y="-942.04" font-family="Times,serif" font-size="14.00">RETRY</text>
</g>
<!-- v_b_f -->
<g id="node4" class="node"><title>v_b_f</title>
<polygon fill="none" stroke="black" points="157.5,-821.24 157.5,-890.24 346.5,-890.24 346.5,-821.24 157.5,-821.24"/>
<text text-anchor="middle" x="252" y="-875.04" font-family="Times,serif" font-size="14.00">vbf_stp_startfetch:</text>
<polyline fill="none" stroke="black" points="157.5,-867.24 346.5,-867.24 "/>
<text text-anchor="middle" x="223.5" y="-852.04" font-family="Times,serif" font-size="14.00">vcl_backend_fetch{}</text>
<polyline fill="none" stroke="black" points="289.5,-844.24 289.5,-867.24 "/>
<text text-anchor="middle" x="318" y="-852.04" font-family="Times,serif" font-size="14.00">bereq.*</text>
<polyline fill="none" stroke="black" points="157.5,-844.24 346.5,-844.24 "/>
<text text-anchor="middle" x="209" y="-829.04" font-family="Times,serif" font-size="14.00">abandon</text>
<polyline fill="none" stroke="black" points="260.5,-821.24 260.5,-844.24 "/>
<text text-anchor="middle" x="303.5" y="-829.04" font-family="Times,serif" font-size="14.00">fetch</text>
<polygon fill="none" stroke="black" points="160.5,-821.24 160.5,-890.24 357.5,-890.24 357.5,-821.24 160.5,-821.24"/>
<text text-anchor="middle" x="259" y="-875.04" font-family="Times,serif" font-size="14.00">vbf_stp_startfetch:</text>
<polyline fill="none" stroke="black" points="160.5,-867.24 357.5,-867.24 "/>
<text text-anchor="middle" x="229.5" y="-852.04" font-family="Times,serif" font-size="14.00">vcl_backend_fetch{}</text>
<polyline fill="none" stroke="black" points="298.5,-844.24 298.5,-867.24 "/>
<text text-anchor="middle" x="328" y="-852.04" font-family="Times,serif" font-size="14.00">bereq.*</text>
<polyline fill="none" stroke="black" points="160.5,-844.24 357.5,-844.24 "/>
<text text-anchor="middle" x="186.5" y="-829.04" font-family="Times,serif" font-size="14.00">fail</text>
<polyline fill="none" stroke="black" points="212.5,-821.24 212.5,-844.24 "/>
<text text-anchor="middle" x="254" y="-829.04" font-family="Times,serif" font-size="14.00">abandon</text>
<polyline fill="none" stroke="black" points="295.5,-821.24 295.5,-844.24 "/>
<text text-anchor="middle" x="326.5" y="-829.04" font-family="Times,serif" font-size="14.00">fetch</text>
</g>
<!-- RETRY&#45;&gt;v_b_f -->
<g id="edge4" class="edge"><title>RETRY&#45;&gt;v_b_f</title>
<path fill="none" stroke="purple" d="M357.431,-927.564C343.989,-918.534 326.918,-907.067 310.449,-896.003"/>
<polygon fill="purple" stroke="purple" points="312.166,-892.941 301.914,-890.27 308.263,-898.752 312.166,-892.941"/>
<path fill="none" stroke="purple" d="M369.26,-927.564C355.073,-918.451 337.021,-906.856 319.652,-895.699"/>
<polygon fill="purple" stroke="purple" points="321.505,-892.73 311.2,-890.27 317.722,-898.619 321.505,-892.73"/>
</g>
<!-- v_b_f_BGFETCH -->
<g id="node2" class="node"><title>v_b_f_BGFETCH</title>
<polygon fill="turquoise" stroke="turquoise" points="334,-963.74 256,-963.74 256,-927.74 334,-927.74 334,-963.74"/>
<text text-anchor="middle" x="295" y="-942.04" font-family="Times,serif" font-size="14.00">BGFETCH</text>
<polygon fill="turquoise" stroke="turquoise" points="345.5,-963.74 262.5,-963.74 262.5,-927.74 345.5,-927.74 345.5,-963.74"/>
<text text-anchor="middle" x="304" y="-942.04" font-family="Times,serif" font-size="14.00">BGFETCH</text>
</g>
<!-- v_b_f_BGFETCH&#45;&gt;v_b_f -->
<g id="edge1" class="edge"><title>v_b_f_BGFETCH&#45;&gt;v_b_f</title>
<path fill="none" stroke="green" stroke-width="2" d="M286.505,-927.354C282.569,-919.301 277.703,-909.342 272.879,-899.468"/>
<polygon fill="green" stroke="green" stroke-width="2" points="276.023,-897.93 268.488,-890.482 269.733,-901.003 276.023,-897.93"/>
<path fill="none" stroke="green" stroke-width="2" d="M295.109,-927.354C290.991,-919.301 285.899,-909.342 280.85,-899.468"/>
<polygon fill="green" stroke="green" stroke-width="2" points="283.924,-897.792 276.254,-890.482 277.691,-900.979 283.924,-897.792"/>
</g>
<!-- v_b_f_FETCH -->
<g id="node3" class="node"><title>v_b_f_FETCH</title>
<polygon fill="turquoise" stroke="turquoise" points="237.5,-963.74 178.5,-963.74 178.5,-927.74 237.5,-927.74 237.5,-963.74"/>
<text text-anchor="middle" x="208" y="-942.04" font-family="Times,serif" font-size="14.00">FETCH</text>
<polygon fill="turquoise" stroke="turquoise" points="244.5,-963.74 181.5,-963.74 181.5,-927.74 244.5,-927.74 244.5,-963.74"/>
<text text-anchor="middle" x="213" y="-942.04" font-family="Times,serif" font-size="14.00">FETCH</text>
</g>
<!-- v_b_f_FETCH&#45;&gt;v_b_f -->
<g id="edge2" class="edge"><title>v_b_f_FETCH&#45;&gt;v_b_f</title>
<path fill="none" stroke="blue" stroke-width="2" d="M211.189,-927.354C214.348,-919.301 218.913,-909.342 223.888,-899.468"/>
<polygon fill="blue" stroke="blue" stroke-width="2" points="227.052,-900.971 228.545,-890.482 220.836,-897.751 227.052,-900.971"/>
<path fill="none" stroke="blue" stroke-width="2" d="M216.584,-927.354C219.926,-919.301 224.717,-909.342 229.917,-899.468"/>
<polygon fill="blue" stroke="blue" stroke-width="2" points="233.099,-900.943 234.778,-890.482 226.942,-897.613 233.099,-900.943"/>
</g>
<!-- v_b_f_FETCH&#45;&gt;v_b_f -->
<g id="edge3" class="edge"><title>v_b_f_FETCH&#45;&gt;v_b_f</title>
<path fill="none" stroke="red" stroke-width="2" d="M222.197,-927.354C227.042,-919.383 232.376,-909.545 237.233,-899.771"/>
<polygon fill="red" stroke="red" stroke-width="2" points="240.521,-901.01 241.713,-890.482 234.217,-897.969 240.521,-901.01"/>
<path fill="none" stroke="red" stroke-width="2" d="M227.592,-927.354C232.67,-919.301 238.29,-909.342 243.412,-899.468"/>
<polygon fill="red" stroke="red" stroke-width="2" points="246.566,-900.987 247.946,-890.482 240.317,-897.833 246.566,-900.987"/>
</g>
<!-- v_b_hdrs -->
<g id="node5" class="node"><title>v_b_hdrs</title>
<ellipse fill="none" stroke="black" cx="304" cy="-756.87" rx="94.0904" ry="26.7407"/>
<text text-anchor="middle" x="304" y="-760.67" font-family="Times,serif" font-size="14.00">send bereq,</text>
<text text-anchor="middle" x="304" y="-745.67" font-family="Times,serif" font-size="14.00">read beresp (headers)</text>
<ellipse fill="none" stroke="black" cx="327" cy="-756.87" rx="96.7474" ry="26.7407"/>
<text text-anchor="middle" x="327" y="-760.67" font-family="Times,serif" font-size="14.00">send bereq,</text>
<text text-anchor="middle" x="327" y="-745.67" font-family="Times,serif" font-size="14.00">read beresp (headers)</text>
</g>
<!-- v_b_f&#45;&gt;v_b_hdrs -->
<g id="edge5" class="edge"><title>v_b_f:fetch:s&#45;&gt;v_b_hdrs</title>
<path fill="none" stroke="black" stroke-width="2" d="M304,-820.74C304,-812.127 304,-802.849 304,-794.136"/>
<polygon fill="black" stroke="black" stroke-width="2" points="307.5,-793.87 304,-783.87 300.5,-793.87 307.5,-793.87"/>
<path fill="none" stroke="black" stroke-width="2" d="M327,-820.74C327,-812.127 327,-802.849 327,-794.136"/>
<polygon fill="black" stroke="black" stroke-width="2" points="330.5,-793.87 327,-783.87 323.5,-793.87 330.5,-793.87"/>
</g>
<!-- v_b_r -->
<g id="node6" class="node"><title>v_b_r</title>
<polygon fill="none" stroke="black" points="290.5,-577.5 290.5,-692.5 531.5,-692.5 531.5,-577.5 290.5,-577.5"/>
<text text-anchor="middle" x="411" y="-677.3" font-family="Times,serif" font-size="14.00">vbf_stp_startfetch:</text>
<polyline fill="none" stroke="black" points="290.5,-669.5 531.5,-669.5 "/>
<text text-anchor="middle" x="373" y="-642.8" font-family="Times,serif" font-size="14.00">vcl_backend_response{}</text>
<polyline fill="none" stroke="black" points="455.5,-623.5 455.5,-669.5 "/>
<text text-anchor="middle" x="493.5" y="-654.3" font-family="Times,serif" font-size="14.00">bereq.*</text>
<polyline fill="none" stroke="black" points="455.5,-646.5 531.5,-646.5 "/>
<text text-anchor="middle" x="493.5" y="-631.3" font-family="Times,serif" font-size="14.00">beresp.*</text>
<polyline fill="none" stroke="black" points="290.5,-623.5 531.5,-623.5 "/>
<text text-anchor="middle" x="332" y="-608.3" font-family="Times,serif" font-size="14.00">retry</text>
<polyline fill="none" stroke="black" points="290.5,-600.5 373.5,-600.5 "/>
<text text-anchor="middle" x="314" y="-585.3" font-family="Times,serif" font-size="14.00">max?</text>
<polyline fill="none" stroke="black" points="337.5,-577.5 337.5,-600.5 "/>
<text text-anchor="middle" x="355.5" y="-585.3" font-family="Times,serif" font-size="14.00">ok?</text>
<polyline fill="none" stroke="black" points="373.5,-577.5 373.5,-623.5 "/>
<text text-anchor="middle" x="404.5" y="-596.8" font-family="Times,serif" font-size="14.00">abandon</text>
<polyline fill="none" stroke="black" points="435.5,-577.5 435.5,-623.5 "/>
<text text-anchor="middle" x="483.5" y="-608.3" font-family="Times,serif" font-size="14.00">deliver or pass</text>
<polyline fill="none" stroke="black" points="435.5,-600.5 531.5,-600.5 "/>
<text text-anchor="middle" x="457.5" y="-585.3" font-family="Times,serif" font-size="14.00">304?</text>
<polyline fill="none" stroke="black" points="479.5,-577.5 479.5,-600.5 "/>
<text text-anchor="middle" x="505.5" y="-585.3" font-family="Times,serif" font-size="14.00">other?</text>
<polygon fill="none" stroke="black" points="304.5,-577.5 304.5,-692.5 589.5,-692.5 589.5,-577.5 304.5,-577.5"/>
<text text-anchor="middle" x="447" y="-677.3" font-family="Times,serif" font-size="14.00">vbf_stp_startfetch:</text>
<polyline fill="none" stroke="black" points="304.5,-669.5 589.5,-669.5 "/>
<text text-anchor="middle" x="399.5" y="-642.8" font-family="Times,serif" font-size="14.00">vcl_backend_response{}</text>
<polyline fill="none" stroke="black" points="494.5,-623.5 494.5,-669.5 "/>
<text text-anchor="middle" x="542" y="-654.3" font-family="Times,serif" font-size="14.00">bereq.*</text>
<polyline fill="none" stroke="black" points="494.5,-646.5 589.5,-646.5 "/>
<text text-anchor="middle" x="542" y="-631.3" font-family="Times,serif" font-size="14.00">beresp.*</text>
<polyline fill="none" stroke="black" points="304.5,-623.5 589.5,-623.5 "/>
<text text-anchor="middle" x="322" y="-596.8" font-family="Times,serif" font-size="14.00">fail</text>
<polyline fill="none" stroke="black" points="339.5,-577.5 339.5,-623.5 "/>
<text text-anchor="middle" x="382" y="-608.3" font-family="Times,serif" font-size="14.00">retry</text>
<polyline fill="none" stroke="black" points="339.5,-600.5 424.5,-600.5 "/>
<text text-anchor="middle" x="363" y="-585.3" font-family="Times,serif" font-size="14.00">max?</text>
<polyline fill="none" stroke="black" points="386.5,-577.5 386.5,-600.5 "/>
<text text-anchor="middle" x="405.5" y="-585.3" font-family="Times,serif" font-size="14.00">ok?</text>
<polyline fill="none" stroke="black" points="424.5,-577.5 424.5,-623.5 "/>
<text text-anchor="middle" x="457.5" y="-596.8" font-family="Times,serif" font-size="14.00">abandon</text>
<polyline fill="none" stroke="black" points="490.5,-577.5 490.5,-623.5 "/>
<text text-anchor="middle" x="540" y="-608.3" font-family="Times,serif" font-size="14.00">deliver or pass</text>
<polyline fill="none" stroke="black" points="490.5,-600.5 589.5,-600.5 "/>
<text text-anchor="middle" x="513.5" y="-585.3" font-family="Times,serif" font-size="14.00">304?</text>
<polyline fill="none" stroke="black" points="536.5,-577.5 536.5,-600.5 "/>
<text text-anchor="middle" x="563" y="-585.3" font-family="Times,serif" font-size="14.00">other?</text>
</g>
<!-- v_b_hdrs&#45;&gt;v_b_r -->
<g id="edge6" class="edge"><title>v_b_hdrs&#45;&gt;v_b_r</title>
<path fill="none" stroke="black" stroke-width="2" d="M326.431,-730.741C334.497,-721.705 344.005,-711.053 353.68,-700.214"/>
<polygon fill="black" stroke="black" stroke-width="2" points="356.342,-702.489 360.39,-692.698 351.119,-697.827 356.342,-702.489"/>
<path fill="none" stroke="black" stroke-width="2" d="M352.156,-730.741C361.289,-721.618 372.07,-710.848 383.029,-699.901"/>
<polygon fill="black" stroke="black" stroke-width="2" points="385.64,-702.241 390.241,-692.698 380.692,-697.289 385.64,-702.241"/>
</g>
<!-- v_b_e -->
<g id="node7" class="node"><title>v_b_e</title>
<polygon fill="none" stroke="black" points="160.5,-424.5 160.5,-539.5 359.5,-539.5 359.5,-424.5 160.5,-424.5"/>
<text text-anchor="middle" x="260" y="-524.3" font-family="Times,serif" font-size="14.00">vbf_stp_error:</text>
<polyline fill="none" stroke="black" points="160.5,-516.5 359.5,-516.5 "/>
<text text-anchor="middle" x="227.5" y="-489.8" font-family="Times,serif" font-size="14.00">vcl_backend_error{}</text>
<polyline fill="none" stroke="black" points="294.5,-470.5 294.5,-516.5 "/>
<text text-anchor="middle" x="327" y="-501.3" font-family="Times,serif" font-size="14.00">bereq.*</text>
<polyline fill="none" stroke="black" points="294.5,-493.5 359.5,-493.5 "/>
<text text-anchor="middle" x="327" y="-478.3" font-family="Times,serif" font-size="14.00">beresp.*</text>
<polyline fill="none" stroke="black" points="160.5,-470.5 359.5,-470.5 "/>
<text text-anchor="middle" x="202" y="-455.3" font-family="Times,serif" font-size="14.00">retry</text>
<polyline fill="none" stroke="black" points="160.5,-447.5 243.5,-447.5 "/>
<text text-anchor="middle" x="184" y="-432.3" font-family="Times,serif" font-size="14.00">max?</text>
<polyline fill="none" stroke="black" points="207.5,-424.5 207.5,-447.5 "/>
<text text-anchor="middle" x="225.5" y="-432.3" font-family="Times,serif" font-size="14.00">ok?</text>
<polyline fill="none" stroke="black" points="243.5,-424.5 243.5,-470.5 "/>
<text text-anchor="middle" x="274.5" y="-443.8" font-family="Times,serif" font-size="14.00">abandon</text>
<polyline fill="none" stroke="black" points="305.5,-424.5 305.5,-470.5 "/>
<text text-anchor="middle" x="332.5" y="-443.8" font-family="Times,serif" font-size="14.00">deliver</text>
<polygon fill="none" stroke="black" points="164,-424.5 164,-539.5 406,-539.5 406,-424.5 164,-424.5"/>
<text text-anchor="middle" x="285" y="-524.3" font-family="Times,serif" font-size="14.00">vbf_stp_error:</text>
<polyline fill="none" stroke="black" points="164,-516.5 406,-516.5 "/>
<text text-anchor="middle" x="242.5" y="-489.8" font-family="Times,serif" font-size="14.00">vcl_backend_error{}</text>
<polyline fill="none" stroke="black" points="321,-470.5 321,-516.5 "/>
<text text-anchor="middle" x="363.5" y="-501.3" font-family="Times,serif" font-size="14.00">bereq.*</text>
<polyline fill="none" stroke="black" points="321,-493.5 406,-493.5 "/>
<text text-anchor="middle" x="363.5" y="-478.3" font-family="Times,serif" font-size="14.00">beresp.*</text>
<polyline fill="none" stroke="black" points="164,-470.5 406,-470.5 "/>
<text text-anchor="middle" x="224" y="-455.3" font-family="Times,serif" font-size="14.00">retry</text>
<polyline fill="none" stroke="black" points="164,-447.5 284,-447.5 "/>
<text text-anchor="middle" x="181.5" y="-432.3" font-family="Times,serif" font-size="14.00">fail</text>
<polyline fill="none" stroke="black" points="199,-424.5 199,-447.5 "/>
<text text-anchor="middle" x="222.5" y="-432.3" font-family="Times,serif" font-size="14.00">max?</text>
<polyline fill="none" stroke="black" points="246,-424.5 246,-447.5 "/>
<text text-anchor="middle" x="265" y="-432.3" font-family="Times,serif" font-size="14.00">ok?</text>
<polyline fill="none" stroke="black" points="284,-424.5 284,-470.5 "/>
<text text-anchor="middle" x="317" y="-443.8" font-family="Times,serif" font-size="14.00">abandon</text>
<polyline fill="none" stroke="black" points="350,-424.5 350,-470.5 "/>
<text text-anchor="middle" x="378" y="-443.8" font-family="Times,serif" font-size="14.00">deliver</text>
</g>
<!-- v_b_hdrs&#45;&gt;v_b_e -->
<g id="edge7" class="edge"><title>v_b_hdrs&#45;&gt;v_b_e</title>
<path fill="none" stroke="black" d="M292.876,-730.008C288.503,-718.822 283.855,-705.462 281,-693 270.192,-645.818 264.946,-591.408 262.4,-549.796"/>
<polygon fill="black" stroke="black" points="265.893,-549.557 261.824,-539.775 258.904,-549.959 265.893,-549.557"/>
<path fill="none" stroke="black" d="M310.848,-730.251C304.731,-719.217 298.422,-705.904 295,-693 282.598,-646.229 280.359,-591.583 281.083,-549.761"/>
<polygon fill="black" stroke="black" points="284.584,-549.769 281.319,-539.69 277.586,-549.605 284.584,-549.769"/>
</g>
<!-- v_b_r&#45;&gt;v_b_e -->
<g id="edge9" class="edge"><title>v_b_r:max&#45;&gt;v_b_e</title>
<path fill="none" stroke="black" d="M314,-577C314,-567.432 311.87,-557.956 308.457,-548.915"/>
<polygon fill="black" stroke="black" points="311.642,-547.462 304.47,-539.663 305.213,-550.232 311.642,-547.462"/>
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<polygon fill="black" stroke="black" points="358.941,-546.671 350.983,-539.676 352.843,-550.107 358.941,-546.671"/>
</g>
<!-- v_b_r_retry -->
<g id="node8" class="node"><title>v_b_r_retry</title>
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<text text-anchor="middle" x="457" y="-478.3" font-family="Times,serif" font-size="14.00">RETRY</text>
</g>
<!-- v_b_r&#45;&gt;v_b_r_retry -->
<g id="edge8" class="edge"><title>v_b_r:retry&#45;&gt;v_b_r_retry</title>
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<polygon fill="purple" stroke="purple" points="441.967,-510.618 444.677,-500.376 436.171,-506.693 441.967,-510.618"/>
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<!-- vbf_stp_condfetch -->
<g id="node9" class="node"><title>vbf_stp_condfetch</title>
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<text text-anchor="middle" x="403" y="-390.3" font-family="Times,serif" font-size="14.00" fill="grey">vbf_stp_condfetch:</text>
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<text text-anchor="middle" x="403" y="-367.3" font-family="Times,serif" font-size="14.00" fill="grey">copy obj attr</text>
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<text text-anchor="middle" x="403" y="-344.3" font-family="Times,serif" font-size="14.00" fill="grey">steal body</text>
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<text text-anchor="middle" x="382" y="-321.3" font-family="Times,serif" font-size="14.00" fill="grey">fetch_fail?</text>
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<text text-anchor="middle" x="442.5" y="-321.3" font-family="Times,serif" font-size="14.00" fill="grey">ok?</text>
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<text text-anchor="middle" x="453" y="-390.3" font-family="Times,serif" font-size="14.00" fill="grey">vbf_stp_condfetch:</text>
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<text text-anchor="middle" x="453" y="-367.3" font-family="Times,serif" font-size="14.00" fill="grey">copy obj attr</text>
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<text text-anchor="middle" x="453" y="-344.3" font-family="Times,serif" font-size="14.00" fill="grey">steal body</text>
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<text text-anchor="middle" x="430.5" y="-321.3" font-family="Times,serif" font-size="14.00" fill="grey">fetch_fail?</text>
<polyline fill="none" stroke="grey" points="472,-313.5 472,-336.5 "/>
<text text-anchor="middle" x="494.5" y="-321.3" font-family="Times,serif" font-size="14.00" fill="grey">ok?</text>
</g>
<!-- v_b_r&#45;&gt;vbf_stp_condfetch -->
<g id="edge10" class="edge"><title>v_b_r:fetch_304:s&#45;&gt;vbf_stp_condfetch</title>
<path fill="none" stroke="black" d="M458,-577C458,-508.824 469.663,-488.299 447,-424 445.908,-420.901 444.621,-417.813 443.188,-414.764"/>
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<polygon fill="black" stroke="black" points="496.942,-412.889 489.106,-405.759 490.786,-416.22 496.942,-412.889"/>
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<!-- vbf_stp_fetch -->
<g id="node10" class="node"><title>vbf_stp_fetch</title>
<polygon fill="none" stroke="grey" points="477.5,-436 477.5,-528 576.5,-528 576.5,-436 477.5,-436"/>
<text text-anchor="middle" x="527" y="-512.8" font-family="Times,serif" font-size="14.00" fill="grey">vbf_stp_fetch:</text>
<polyline fill="none" stroke="grey" points="477.5,-505 576.5,-505 "/>
<text text-anchor="middle" x="527" y="-489.8" font-family="Times,serif" font-size="14.00" fill="grey">setup VFPs</text>
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<text text-anchor="middle" x="527" y="-466.8" font-family="Times,serif" font-size="14.00" fill="grey">get object</text>
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<text text-anchor="middle" x="502" y="-443.8" font-family="Times,serif" font-size="14.00" fill="grey">error?</text>
<polyline fill="none" stroke="grey" points="526.5,-436 526.5,-459 "/>
<text text-anchor="middle" x="551.5" y="-443.8" font-family="Times,serif" font-size="14.00" fill="grey">body?</text>
<polygon fill="none" stroke="grey" points="528.5,-436 528.5,-528 631.5,-528 631.5,-436 528.5,-436"/>
<text text-anchor="middle" x="580" y="-512.8" font-family="Times,serif" font-size="14.00" fill="grey">vbf_stp_fetch:</text>
<polyline fill="none" stroke="grey" points="528.5,-505 631.5,-505 "/>
<text text-anchor="middle" x="580" y="-489.8" font-family="Times,serif" font-size="14.00" fill="grey">setup VFPs</text>
<polyline fill="none" stroke="grey" points="528.5,-482 631.5,-482 "/>
<text text-anchor="middle" x="580" y="-466.8" font-family="Times,serif" font-size="14.00" fill="grey">get object</text>
<polyline fill="none" stroke="grey" points="528.5,-459 631.5,-459 "/>
<text text-anchor="middle" x="553.5" y="-443.8" font-family="Times,serif" font-size="14.00" fill="grey">error?</text>
<polyline fill="none" stroke="grey" points="578.5,-436 578.5,-459 "/>
<text text-anchor="middle" x="605" y="-443.8" font-family="Times,serif" font-size="14.00" fill="grey">body?</text>
</g>
<!-- v_b_r&#45;&gt;vbf_stp_fetch -->
<g id="edge11" class="edge"><title>v_b_r:non_304:s&#45;&gt;vbf_stp_fetch</title>
<path fill="none" stroke="black" d="M506,-577C506,-564.333 507.839,-550.932 510.428,-538.341"/>
<polygon fill="black" stroke="black" points="513.874,-538.969 512.645,-528.446 507.043,-537.439 513.874,-538.969"/>
<path fill="none" stroke="black" d="M563,-577C563,-564.307 564.52,-550.801 566.65,-538.103"/>
<polygon fill="black" stroke="black" points="570.119,-538.59 568.472,-528.124 563.233,-537.332 570.119,-538.59"/>
</g>
<!-- FETCH_DONE -->
<g id="node13" class="node"><title>FETCH_DONE</title>
<polygon fill="turquoise" stroke="turquoise" points="370,-44 266,-44 266,-8 370,-8 370,-44"/>
<text text-anchor="middle" x="318" y="-22.3" font-family="Times,serif" font-size="14.00">FETCH_DONE</text>
<polygon fill="turquoise" stroke="turquoise" points="420.5,-44 309.5,-44 309.5,-8 420.5,-8 420.5,-44"/>
<text text-anchor="middle" x="365" y="-22.3" font-family="Times,serif" font-size="14.00">FETCH_DONE</text>
</g>
<!-- v_b_e&#45;&gt;FETCH_DONE -->
<g id="edge18" class="edge"><title>v_b_e:deliver&#45;&gt;FETCH_DONE</title>
<path fill="none" stroke="black" d="M333,-424C333,-309.281 283.017,-283.284 293,-169 296.516,-128.756 305.534,-82.8201 311.72,-54.3619"/>
<polygon fill="black" stroke="black" points="315.19,-54.8792 313.935,-44.359 308.356,-53.3659 315.19,-54.8792"/>
<text text-anchor="middle" x="338.5" y="-172.8" font-family="Times,serif" font-size="14.00">&quot;backend synth&quot;</text>
<path fill="none" stroke="black" d="M378,-424C378,-309.281 327.238,-283.213 338,-169 341.799,-128.68 351.538,-82.7642 358.218,-54.3309"/>
<polygon fill="black" stroke="black" points="361.686,-54.8777 360.61,-44.3377 354.879,-53.2483 361.686,-54.8777"/>
<text text-anchor="middle" x="386" y="-172.8" font-family="Times,serif" font-size="14.00">&quot;backend synth&quot;</text>
</g>
<!-- FETCH_FAIL -->
<g id="node15" class="node"><title>FETCH_FAIL</title>
<polygon fill="turquoise" stroke="turquoise" points="163,-266.5 67,-266.5 67,-230.5 163,-230.5 163,-266.5"/>
<text text-anchor="middle" x="115" y="-244.8" font-family="Times,serif" font-size="14.00">FETCH_FAIL</text>
<polygon fill="turquoise" stroke="turquoise" points="170.5,-266.5 67.5,-266.5 67.5,-230.5 170.5,-230.5 170.5,-266.5"/>
<text text-anchor="middle" x="119" y="-244.8" font-family="Times,serif" font-size="14.00">FETCH_FAIL</text>
</g>
<!-- v_b_e&#45;&gt;FETCH_FAIL -->
<g id="edge20" class="edge"><title>v_b_e:max:s&#45;&gt;FETCH_FAIL</title>
<path fill="none" stroke="black" d="M184,-424C184,-368.018 152.909,-308.564 132.467,-275.525"/>
<polygon fill="black" stroke="black" points="135.33,-273.503 127.019,-266.932 129.418,-277.251 135.33,-273.503"/>
<path fill="none" stroke="black" d="M222,-424C222,-363.679 175.791,-305.878 145.274,-274.283"/>
<polygon fill="black" stroke="black" points="147.416,-271.471 137.892,-266.829 142.442,-276.397 147.416,-271.471"/>
</g>
<!-- v_b_e_retry -->
<g id="node16" class="node"><title>v_b_e_retry</title>
<text text-anchor="middle" x="225" y="-244.8" font-family="Times,serif" font-size="14.00">RETRY</text>
<text text-anchor="middle" x="265" y="-244.8" font-family="Times,serif" font-size="14.00">RETRY</text>
</g>
<!-- v_b_e&#45;&gt;v_b_e_retry -->
<g id="edge19" class="edge"><title>v_b_e:retry&#45;&gt;v_b_e_retry</title>
<path fill="none" stroke="purple" d="M225,-424C225,-372.06 225,-311.425 225,-277.036"/>
<polygon fill="purple" stroke="purple" points="228.5,-276.837 225,-266.837 221.5,-276.837 228.5,-276.837"/>
<path fill="none" stroke="purple" d="M265,-424C265,-372.06 265,-311.425 265,-277.036"/>
<polygon fill="purple" stroke="purple" points="268.5,-276.837 265,-266.837 261.5,-276.837 268.5,-276.837"/>
</g>
<!-- vbf_stp_fetchend -->
<g id="node12" class="node"><title>vbf_stp_fetchend</title>
<polygon fill="none" stroke="grey" points="340.5,-81.5 340.5,-150.5 503.5,-150.5 503.5,-81.5 340.5,-81.5"/>
<text text-anchor="middle" x="422" y="-135.3" font-family="Times,serif" font-size="14.00" fill="grey">vbf_stp_fetchend:</text>
<polyline fill="none" stroke="grey" points="340.5,-127.5 503.5,-127.5 "/>
<text text-anchor="middle" x="422" y="-112.3" font-family="Times,serif" font-size="14.00" fill="grey">finalize object and director</text>
<polyline fill="none" stroke="grey" points="340.5,-104.5 503.5,-104.5 "/>
<text text-anchor="middle" x="422" y="-89.3" font-family="Times,serif" font-size="14.00" fill="grey">done</text>
<polygon fill="none" stroke="grey" points="388,-81.5 388,-150.5 556,-150.5 556,-81.5 388,-81.5"/>
<text text-anchor="middle" x="472" y="-135.3" font-family="Times,serif" font-size="14.00" fill="grey">vbf_stp_fetchend:</text>
<polyline fill="none" stroke="grey" points="388,-127.5 556,-127.5 "/>
<text text-anchor="middle" x="472" y="-112.3" font-family="Times,serif" font-size="14.00" fill="grey">finalize object and director</text>
<polyline fill="none" stroke="grey" points="388,-104.5 556,-104.5 "/>
<text text-anchor="middle" x="472" y="-89.3" font-family="Times,serif" font-size="14.00" fill="grey">done</text>
</g>
<!-- vbf_stp_condfetch&#45;&gt;vbf_stp_fetchend -->
<g id="edge16" class="edge"><title>vbf_stp_condfetch:ok:s&#45;&gt;vbf_stp_fetchend</title>
<path fill="none" stroke="black" d="M443,-313C443,-287.28 403.096,-315.824 388,-295 359.366,-255.5 377.896,-198.542 396.959,-159.769"/>
<polygon fill="black" stroke="black" points="400.102,-161.311 401.53,-150.813 393.867,-158.129 400.102,-161.311"/>
<path fill="none" stroke="black" d="M495,-313C495,-286.857 454.4,-316.126 439,-295 410.205,-255.499 428.579,-198.293 447.436,-159.476"/>
<polygon fill="black" stroke="black" points="450.578,-161.019 451.957,-150.514 444.328,-157.866 450.578,-161.019"/>
</g>
<!-- vbf_stp_fetchbody -->
<g id="node11" class="node"><title>vbf_stp_fetchbody</title>
<polygon fill="none" stroke="grey" points="397.5,-202.5 397.5,-294.5 556.5,-294.5 556.5,-202.5 397.5,-202.5"/>
<text text-anchor="middle" x="477" y="-279.3" font-family="Times,serif" font-size="14.00" fill="grey">vbf_stp_fetchbody:</text>
<polyline fill="none" stroke="grey" points="397.5,-271.5 556.5,-271.5 "/>
<text text-anchor="middle" x="477" y="-256.3" font-family="Times,serif" font-size="14.00" fill="grey">get storage</text>
<polyline fill="none" stroke="grey" points="397.5,-248.5 556.5,-248.5 "/>
<text text-anchor="middle" x="477" y="-233.3" font-family="Times,serif" font-size="14.00" fill="grey">read body, run VFPs</text>
<polyline fill="none" stroke="grey" points="397.5,-225.5 556.5,-225.5 "/>
<text text-anchor="middle" x="434.5" y="-210.3" font-family="Times,serif" font-size="14.00" fill="grey">fetch_fail?</text>
<polyline fill="none" stroke="grey" points="471.5,-202.5 471.5,-225.5 "/>
<text text-anchor="middle" x="496" y="-210.3" font-family="Times,serif" font-size="14.00" fill="grey">error?</text>
<polyline fill="none" stroke="grey" points="520.5,-202.5 520.5,-225.5 "/>
<text text-anchor="middle" x="538.5" y="-210.3" font-family="Times,serif" font-size="14.00" fill="grey">ok?</text>
<polygon fill="none" stroke="grey" points="448,-202.5 448,-294.5 612,-294.5 612,-202.5 448,-202.5"/>
<text text-anchor="middle" x="530" y="-279.3" font-family="Times,serif" font-size="14.00" fill="grey">vbf_stp_fetchbody:</text>
<polyline fill="none" stroke="grey" points="448,-271.5 612,-271.5 "/>
<text text-anchor="middle" x="530" y="-256.3" font-family="Times,serif" font-size="14.00" fill="grey">get storage</text>
<polyline fill="none" stroke="grey" points="448,-248.5 612,-248.5 "/>
<text text-anchor="middle" x="530" y="-233.3" font-family="Times,serif" font-size="14.00" fill="grey">read body, run VFPs</text>
<polyline fill="none" stroke="grey" points="448,-225.5 612,-225.5 "/>
<text text-anchor="middle" x="486" y="-210.3" font-family="Times,serif" font-size="14.00" fill="grey">fetch_fail?</text>
<polyline fill="none" stroke="grey" points="524,-202.5 524,-225.5 "/>
<text text-anchor="middle" x="549" y="-210.3" font-family="Times,serif" font-size="14.00" fill="grey">error?</text>
<polyline fill="none" stroke="grey" points="574,-202.5 574,-225.5 "/>
<text text-anchor="middle" x="593" y="-210.3" font-family="Times,serif" font-size="14.00" fill="grey">ok?</text>
</g>
<!-- vbf_stp_fetch&#45;&gt;vbf_stp_fetchbody -->
<g id="edge13" class="edge"><title>vbf_stp_fetch:body:s&#45;&gt;vbf_stp_fetchbody</title>
<path fill="none" stroke="black" d="M552,-435C552,-388.245 531.268,-339.378 511.605,-303.543"/>
<polygon fill="black" stroke="black" points="514.596,-301.722 506.642,-294.723 508.495,-305.154 514.596,-301.722"/>
<path fill="none" stroke="black" d="M605,-435C605,-388.245 584.268,-339.378 564.605,-303.543"/>
<polygon fill="black" stroke="black" points="567.596,-301.722 559.642,-294.723 561.495,-305.154 567.596,-301.722"/>
</g>
<!-- vbf_stp_fetch&#45;&gt;vbf_stp_fetchend -->
<g id="edge14" class="edge"><title>vbf_stp_fetch:body:s&#45;&gt;vbf_stp_fetchend</title>
<path fill="none" stroke="black" d="M552,-435C552,-331.258 603.409,-298.763 566,-202 556.486,-177.39 535.576,-159.54 512.562,-146.753"/>
<polygon fill="black" stroke="black" points="514.141,-143.629 503.658,-142.097 510.897,-149.832 514.141,-143.629"/>
<path fill="none" stroke="black" d="M605,-435C605,-331.201 658.43,-298.816 621,-202 611.149,-176.518 589.225,-158.384 565.146,-145.604"/>
<polygon fill="black" stroke="black" points="566.706,-142.471 556.196,-141.134 563.578,-148.733 566.706,-142.471"/>
</g>
<!-- vbf_stp_fetchbody&#45;&gt;vbf_stp_fetchend -->
<g id="edge12" class="edge"><title>vbf_stp_fetchbody:ok:s&#45;&gt;vbf_stp_fetchend</title>
<path fill="none" stroke="black" d="M539,-202C539,-182.009 527.682,-166.232 512.087,-153.979"/>
<polygon fill="black" stroke="black" points="513.748,-150.864 503.579,-147.89 509.674,-156.556 513.748,-150.864"/>
<path fill="none" stroke="black" d="M593,-202C593,-181.262 580.952,-165.148 564.459,-152.805"/>
<polygon fill="black" stroke="black" points="566.268,-149.802 556.039,-147.044 562.316,-155.579 566.268,-149.802"/>
</g>
<!-- vbf_stp_fetchend&#45;&gt;FETCH_DONE -->
<g id="edge15" class="edge"><title>vbf_stp_fetchend:done:s&#45;&gt;FETCH_DONE</title>
<path fill="none" stroke="black" d="M422,-81C422,-58.3033 402.249,-45.1333 379.962,-37.4971"/>
<polygon fill="black" stroke="black" points="380.891,-34.1214 370.305,-34.5516 378.849,-40.8169 380.891,-34.1214"/>
<path fill="none" stroke="black" d="M472,-81C472,-58.3323 452.624,-45.1781 430.363,-37.5453"/>
<polygon fill="black" stroke="black" points="431.28,-34.1659 420.694,-34.6006 429.24,-40.8622 431.28,-34.1659"/>
</g>
<!-- error -->
<g id="node14" class="node"><title>error</title>
<text text-anchor="middle" x="115" y="-478.3" font-family="Times,serif" font-size="14.00">error</text>
<text text-anchor="middle" x="119" y="-478.3" font-family="Times,serif" font-size="14.00">error</text>
</g>
<!-- error&#45;&gt;FETCH_FAIL -->
<g id="edge17" class="edge"><title>error&#45;&gt;FETCH_FAIL</title>
<path fill="none" stroke="black" d="M115,-463.977C115,-424.176 115,-324.764 115,-276.558"/>
<polygon fill="black" stroke="black" points="118.5,-276.548 115,-266.548 111.5,-276.548 118.5,-276.548"/>
<path fill="none" stroke="black" d="M119,-463.977C119,-424.176 119,-324.764 119,-276.558"/>
<polygon fill="black" stroke="black" points="122.5,-276.548 119,-266.548 115.5,-276.548 122.5,-276.548"/>
</g>
<!-- abandon -->
<g id="node17" class="node"><title>abandon</title>
<text text-anchor="middle" x="39" y="-478.3" font-family="Times,serif" font-size="14.00">abandon</text>
<text text-anchor="middle" x="41" y="-478.3" font-family="Times,serif" font-size="14.00">abandon</text>
</g>
<!-- abandon&#45;&gt;FETCH_FAIL -->
<g id="edge21" class="edge"><title>abandon&#45;&gt;FETCH_FAIL</title>
<path fill="none" stroke="black" d="M44.5885,-463.977C57.6824,-424.092 90.4285,-324.346 106.216,-276.255"/>
<polygon fill="black" stroke="black" points="109.61,-277.141 109.403,-266.548 102.959,-274.957 109.61,-277.141"/>
<path fill="none" stroke="black" d="M46.7355,-463.977C60.1741,-424.092 93.7819,-324.346 109.985,-276.255"/>
<polygon fill="black" stroke="black" points="113.38,-277.142 113.256,-266.548 106.746,-274.907 113.38,-277.142"/>
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</g>
</svg>
doc/graphviz/cache_req_fsm.dot
View file @ 7491696a
......@@ -48,13 +48,13 @@ digraph cache_req_fsm {
*/
acceptor [shape=hexagon label="Request received"]
label_select [shape=hexagon label="Label selected"]
label_select [shape=hexagon label="LABEL"]
ESI_REQ [shape=hexagon label="ESI request"]
RESTART [shape=plaintext]
ESI_REQ -> recv
SYNTH [shape=plaintext]
LABEL [shape=plaintext]
FAIL [shape=plaintext]
acceptor -> recv [style=bold]
label_select -> recv [style=bold]
......@@ -62,7 +62,7 @@ digraph cache_req_fsm {
/* cnt_deliver() */
deliver [
shape=record
label="{cnt_deliver:|Filter obj.-\>resp.|{vcl_deliver\{\}|{req.*|resp.*}}|{<restart>restart|<deliver>deliver|<synth>synth}}"
label="{cnt_deliver:|Filter obj.-\>resp.|{vcl_deliver\{\}|{req.*|resp.*}}|{fail|<restart>restart|<deliver>deliver|<synth>synth}}"
]
deliver:deliver:s -> V1D_Deliver [style=bold,color=green]
......@@ -79,9 +79,10 @@ digraph cache_req_fsm {
subgraph xcluster_synth {
synth [
shape=record
label="{cnt_synth:|{vcl_synth\{\}|{req.*|resp.*}}|{<del>deliver|<restart>restart}}"
label="{cnt_synth:|{vcl_synth\{\}|{req.*|resp.*}}|{fail|<del>deliver|<restart>restart}}"
]
FAIL -> synth [color=purple]
SYNTH -> synth [color=purple]
synth:del:s -> V1D_Deliver [color=purple]
}
......@@ -120,7 +121,7 @@ digraph cache_req_fsm {
]
lookup2 [
shape=record
label="{<top>cnt_lookup:|{vcl_hit\{\}|{req.*|obj.*}}|{<deliver>deliver|<miss>miss|restart|synth|<pass>pass}}"
label="{<top>cnt_lookup:|{vcl_hit\{\}|{req.*|obj.*}}|{fail|<deliver>deliver|<miss>miss|restart|synth|<pass>pass}}"
]
}
lookup:busy:e -> lookup:top:e [label="(waitinglist)",
......@@ -140,7 +141,7 @@ digraph cache_req_fsm {
subgraph xcluster_miss {
miss [
shape=record
label="{cnt_miss:|{vcl_miss\{\}|req.*}|{<fetch>fetch|<synth>synth|<rst>restart|<pass>pass}}"
label="{cnt_miss:|{vcl_miss\{\}|req.*}|{fail|<fetch>fetch|<synth>synth|<rst>restart|<pass>pass}}"
]
}
miss:fetch:s -> FETCH [style=bold,color=blue]
......@@ -150,7 +151,7 @@ digraph cache_req_fsm {
subgraph xcluster_pass {
pass [
shape=record
label="{cnt_pass:|{vcl_pass\{\}|req.*}|{<fetch>fetch|<synth>synth|<rst>restart}}"
label="{cnt_pass:|{vcl_pass\{\}|req.*}|{fail|<fetch>fetch|<synth>synth|<rst>restart}}"
]
}
pass:fetch:s -> FETCH [style=bold, color=red]
......@@ -159,7 +160,7 @@ digraph cache_req_fsm {
subgraph xcluster_pipe {
pipe [
shape=record
label="{cnt_pipe:|filter req.*-\>bereq.*|{vcl_pipe\{\}|{req.*|bereq.*}}|{<pipe>pipe|<synth>synth}}"
label="{cnt_pipe:|filter req.*-\>bereq.*|{vcl_pipe\{\}|{req.*|bereq.*}}|{fail|<pipe>pipe|<synth>synth}}"
]
pipe_do [
shape=ellipse
......@@ -175,7 +176,7 @@ digraph cache_req_fsm {
shape=record
color=grey
fontcolor=grey
label="{cnt_restart:|{<ok>ok?|<max>max_restarts?}}"
label="{cnt_restart:|{fail|<ok>ok?|<max>max_restarts?}}"
]
}
RESTART -> restart [color=purple]
......@@ -187,7 +188,7 @@ digraph cache_req_fsm {
subgraph xcluster_recv {
recv [
shape=record
label="{cnt_recv:|{vcl_recv\{\}|req.*}|{<hash>hash|<purge>purge|<pass>pass|<pipe>pipe|<synth>synth|<vcl>vcl}}"
label="{cnt_recv:|{vcl_recv\{\}|req.*}|{fail|<hash>hash|<purge>purge|<pass>pass|<pipe>pipe|<synth>synth|<vcl>vcl}}"
]
recv:hash -> hash [style=bold,color=green]
hash [
......@@ -205,13 +206,13 @@ digraph cache_req_fsm {
recv:purge:s -> hash [style=bold,color=purple]
recv:vcl:s -> vcl_label
vcl_label [label="LABEL",shape=plaintext]
vcl_label [label="switch to vcl\nLABEL",shape=plaintext]
/* cnt_purge */
subgraph xcluster_purge {
purge [
shape=record
label="{<top>cnt_purge:|{vcl_purge\{\}|req.*}|{<synth>synth|<restart>restart}}"
label="{<top>cnt_purge:|{vcl_purge\{\}|req.*}|{fail|<synth>synth|<restart>restart}}"
]
}
}
doc/graphviz/cache_req_fsm.svg
View file @ 7491696a
......@@ -4,470 +4,494 @@
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-->
<!-- Title: cache_req_fsm Pages: 1 -->
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<text text-anchor="middle" x="311" y="-1204.8" font-family="Times,serif" font-size="14.00">Request received</text>
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<g id="node5" class="node"><title>recv</title>
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<text text-anchor="middle" x="405.5" y="-1086.3" font-family="Times,serif" font-size="14.00">hash</text>
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<text text-anchor="middle" x="583" y="-1086.3" font-family="Times,serif" font-size="14.00">synth</text>
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<text text-anchor="middle" x="624" y="-1086.3" font-family="Times,serif" font-size="14.00">vcl</text>
</g>
<!-- acceptor&#45;&gt;recv -->
<g id="edge2" class="edge"><title>acceptor&#45;&gt;recv</title>
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<!-- label_select -->
<g id="node2" class="node"><title>label_select</title>
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<text text-anchor="middle" x="483" y="-1204.8" font-family="Times,serif" font-size="14.00">Label selected</text>
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<text text-anchor="middle" x="576" y="-1204.8" font-family="Times,serif" font-size="14.00">LABEL</text>
</g>
<!-- label_select&#45;&gt;recv -->
<g id="edge3" class="edge"><title>label_select&#45;&gt;recv</title>
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<!-- ESI_REQ -->
<g id="node3" class="node"><title>ESI_REQ</title>
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<text text-anchor="middle" x="260" y="-1204.8" font-family="Times,serif" font-size="14.00">ESI request</text>
</g>
<!-- ESI_REQ&#45;&gt;recv -->
<g id="edge1" class="edge"><title>ESI_REQ&#45;&gt;recv</title>
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<!-- RESTART -->
<g id="node4" class="node"><title>RESTART</title>
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</g>
<!-- restart -->
<g id="node24" class="node"><title>restart</title>
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<text text-anchor="middle" x="774" y="-1216.3" font-family="Times,serif" font-size="14.00" fill="grey">cnt_restart:</text>
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<text text-anchor="middle" x="728" y="-1193.3" font-family="Times,serif" font-size="14.00" fill="grey">ok?</text>
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<text text-anchor="middle" x="792" y="-1193.3" font-family="Times,serif" font-size="14.00" fill="grey">max_restarts?</text>
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<text text-anchor="middle" x="762.5" y="-1193.3" font-family="Times,serif" font-size="14.00" fill="grey">max_restarts?</text>
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<!-- RESTART&#45;&gt;restart -->
<g id="edge29" class="edge"><title>RESTART&#45;&gt;restart</title>
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<g id="edge30" class="edge"><title>RESTART&#45;&gt;restart</title>
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<!-- recv&#45;&gt;hash -->
<g id="edge32" class="edge"><title>recv:hash&#45;&gt;hash</title>
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<g id="edge33" class="edge"><title>recv:hash&#45;&gt;hash</title>
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<!-- recv&#45;&gt;hash -->
<g id="edge33" class="edge"><title>recv:pipe&#45;&gt;hash</title>
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<g id="edge34" class="edge"><title>recv:pipe&#45;&gt;hash</title>
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<!-- recv&#45;&gt;hash -->
<g id="edge34" class="edge"><title>recv:pass&#45;&gt;hash</title>
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<g id="edge35" class="edge"><title>recv:pass&#45;&gt;hash</title>
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<!-- recv&#45;&gt;hash -->
<g id="edge39" class="edge"><title>recv:purge:s&#45;&gt;hash</title>
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<g id="edge40" class="edge"><title>recv:purge:s&#45;&gt;hash</title>
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<!-- vcl_label -->
<g id="node28" class="node"><title>vcl_label</title>
<text text-anchor="middle" x="658" y="-1002.3" font-family="Times,serif" font-size="14.00">LABEL</text>
<text text-anchor="middle" x="624" y="-1009.8" font-family="Times,serif" font-size="14.00">switch to vcl</text>
<text text-anchor="middle" x="624" y="-994.8" font-family="Times,serif" font-size="14.00">LABEL</text>
</g>
<!-- recv&#45;&gt;vcl_label -->
<g id="edge40" class="edge"><title>recv:vcl:s&#45;&gt;vcl_label</title>
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<g id="edge41" class="edge"><title>recv:vcl:s&#45;&gt;vcl_label</title>
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<!-- SYNTH -->
<g id="node6" class="node"><title>SYNTH</title>
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<text text-anchor="middle" x="482" y="-313.3" font-family="Times,serif" font-size="14.00">SYNTH</text>
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<!-- synth -->
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<text text-anchor="middle" x="388" y="-234.8" font-family="Times,serif" font-size="14.00">cnt_synth:</text>
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<g id="edge10" class="edge"><title>SYNTH&#45;&gt;synth</title>
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<!-- FAIL&#45;&gt;synth -->
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<text text-anchor="middle" x="218" y="-87.3" font-family="Times,serif" font-size="14.00">V1D_Deliver</text>
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<text text-anchor="middle" x="262" y="-192.8" font-family="Times,serif" font-size="14.00">body</text>
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<text text-anchor="middle" x="495" y="-207.8" font-family="Times,serif" font-size="14.00">stream?</text>
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<!-- synth&#45;&gt;V1D_Deliver -->
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<g id="node13" class="node"><title>see backend graph</title>
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<!-- BGFETCH -->
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<text text-anchor="middle" x="67" y="-386.3" font-family="Times,serif" font-size="14.00">BGFETCH</text>
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<text text-anchor="middle" x="114" y="-386.3" font-family="Times,serif" font-size="14.00">BGFETCH</text>
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<!-- FETCH -->
<g id="node15" class="node"><title>FETCH</title>
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<text text-anchor="middle" x="154" y="-386.3" font-family="Times,serif" font-size="14.00">FETCH</text>
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<text text-anchor="middle" x="205" y="-386.3" font-family="Times,serif" font-size="14.00">FETCH</text>
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<!-- FETCH_DONE -->
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<text text-anchor="middle" x="127" y="-313.3" font-family="Times,serif" font-size="14.00">FETCH_DONE</text>
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<!-- FETCH&#45;&gt;FETCH_DONE -->
<g id="edge15" class="edge"><title>FETCH&#45;&gt;FETCH_DONE</title>
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<g id="edge16" class="edge"><title>FETCH&#45;&gt;FETCH_DONE</title>
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<!-- FETCH_FAIL -->
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<!-- FETCH&#45;&gt;FETCH_FAIL -->
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<g id="edge17" class="edge"><title>FETCH&#45;&gt;FETCH_FAIL</title>
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<!-- FETCH_DONE&#45;&gt;deliver -->
<g id="edge13" class="edge"><title>FETCH_DONE&#45;&gt;deliver</title>
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<g id="edge14" class="edge"><title>FETCH_DONE&#45;&gt;deliver</title>
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<text text-anchor="middle" x="76" y="-730.8" font-family="Times,serif" font-size="14.00">vcl_hit{}</text>
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<text text-anchor="middle" x="192" y="-742.3" font-family="Times,serif" font-size="14.00">req.*</text>
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<text text-anchor="middle" x="192" y="-719.3" font-family="Times,serif" font-size="14.00">obj.*</text>
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<text text-anchor="middle" x="209.5" y="-719.3" font-family="Times,serif" font-size="14.00">obj.*</text>
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<text text-anchor="middle" x="17.5" y="-696.3" font-family="Times,serif" font-size="14.00">fail</text>
<polyline fill="none" stroke="black" points="35,-688.5 35,-711.5 "/>
<text text-anchor="middle" x="63" y="-696.3" font-family="Times,serif" font-size="14.00">deliver</text>
<polyline fill="none" stroke="black" points="91,-688.5 91,-711.5 "/>
<text text-anchor="middle" x="112" y="-696.3" font-family="Times,serif" font-size="14.00">miss</text>
<polyline fill="none" stroke="black" points="133,-688.5 133,-711.5 "/>
<text text-anchor="middle" x="158" y="-696.3" font-family="Times,serif" font-size="14.00">restart</text>
<polyline fill="none" stroke="black" points="183,-688.5 183,-711.5 "/>
<text text-anchor="middle" x="207" y="-696.3" font-family="Times,serif" font-size="14.00">synth</text>
<polyline fill="none" stroke="black" points="231,-688.5 231,-711.5 "/>
<text text-anchor="middle" x="251.5" y="-696.3" font-family="Times,serif" font-size="14.00">pass</text>
</g>
<!-- lookup2&#45;&gt;deliver -->
<g id="edge21" class="edge"><title>lookup2:deliver:s&#45;&gt;deliver:n</title>
<path fill="none" stroke="green" stroke-width="2" d="M39,-688C39,-651.997 0,-653.003 0,-617 0,-617 0,-617 0,-316 0,-258.498 111.621,-315.259 125.574,-272.04"/>
<polygon fill="green" stroke="green" stroke-width="2" points="129.059,-272.393 127,-262 122.128,-271.408 129.059,-272.393"/>
<g id="edge22" class="edge"><title>lookup2:deliver:s&#45;&gt;deliver:n</title>
<path fill="none" stroke="green" stroke-width="2" d="M63,-688C63,-671.667 44,-633.333 44,-617 44,-617 44,-617 44,-316 44,-253.997 166.302,-319.247 180.634,-272.156"/>
<polygon fill="green" stroke="green" stroke-width="2" points="184.136,-272.377 182,-262 177.198,-271.444 184.136,-272.377"/>
</g>
<!-- lookup2&#45;&gt;BGFETCH -->
<g id="edge11" class="edge"><title>lookup2:deliver:s&#45;&gt;BGFETCH</title>
<path fill="none" stroke="green" d="M39,-688C39,-619.11 31.0726,-601.541 38,-533 42.0833,-492.599 52.5431,-446.704 59.7172,-418.298"/>
<polygon fill="green" stroke="green" points="63.1835,-418.871 62.2857,-408.315 56.4043,-417.127 63.1835,-418.871"/>
<text text-anchor="middle" x="75" y="-551.8" font-family="Times,serif" font-size="14.00">parallel</text>
<text text-anchor="middle" x="75" y="-536.8" font-family="Times,serif" font-size="14.00">if obj expired</text>
<g id="edge12" class="edge"><title>lookup2:deliver:s&#45;&gt;BGFETCH</title>
<path fill="none" stroke="green" d="M63,-688C63,-587.173 91.9039,-469.833 106.193,-417.986"/>
<polygon fill="green" stroke="green" points="109.598,-418.803 108.923,-408.23 102.857,-416.916 109.598,-418.803"/>
<text text-anchor="middle" x="119" y="-551.8" font-family="Times,serif" font-size="14.00">parallel</text>
<text text-anchor="middle" x="119" y="-536.8" font-family="Times,serif" font-size="14.00">if obj expired</text>
</g>
<!-- miss -->
<g id="node20" class="node"><title>miss</title>
<polygon fill="none" stroke="black" points="66,-581.5 66,-650.5 246,-650.5 246,-581.5 66,-581.5"/>
<text text-anchor="middle" x="156" y="-635.3" font-family="Times,serif" font-size="14.00">cnt_miss:</text>
<polyline fill="none" stroke="black" points="66,-627.5 246,-627.5 "/>
<text text-anchor="middle" x="119.5" y="-612.3" font-family="Times,serif" font-size="14.00">vcl_miss{}</text>
<polyline fill="none" stroke="black" points="173,-604.5 173,-627.5 "/>
<text text-anchor="middle" x="209.5" y="-612.3" font-family="Times,serif" font-size="14.00">req.*</text>
<polyline fill="none" stroke="black" points="66,-604.5 246,-604.5 "/>
<text text-anchor="middle" x="88" y="-589.3" font-family="Times,serif" font-size="14.00">fetch</text>
<polyline fill="none" stroke="black" points="110,-581.5 110,-604.5 "/>
<text text-anchor="middle" x="133" y="-589.3" font-family="Times,serif" font-size="14.00">synth</text>
<polyline fill="none" stroke="black" points="156,-581.5 156,-604.5 "/>
<text text-anchor="middle" x="181" y="-589.3" font-family="Times,serif" font-size="14.00">restart</text>
<polyline fill="none" stroke="black" points="206,-581.5 206,-604.5 "/>
<text text-anchor="middle" x="226" y="-589.3" font-family="Times,serif" font-size="14.00">pass</text>
<polygon fill="none" stroke="black" points="110,-581.5 110,-650.5 328,-650.5 328,-581.5 110,-581.5"/>
<text text-anchor="middle" x="219" y="-635.3" font-family="Times,serif" font-size="14.00">cnt_miss:</text>
<polyline fill="none" stroke="black" points="110,-627.5 328,-627.5 "/>
<text text-anchor="middle" x="173" y="-612.3" font-family="Times,serif" font-size="14.00">vcl_miss{}</text>
<polyline fill="none" stroke="black" points="236,-604.5 236,-627.5 "/>
<text text-anchor="middle" x="282" y="-612.3" font-family="Times,serif" font-size="14.00">req.*</text>
<polyline fill="none" stroke="black" points="110,-604.5 328,-604.5 "/>
<text text-anchor="middle" x="127.5" y="-589.3" font-family="Times,serif" font-size="14.00">fail</text>
<polyline fill="none" stroke="black" points="145,-581.5 145,-604.5 "/>
<text text-anchor="middle" x="167" y="-589.3" font-family="Times,serif" font-size="14.00">fetch</text>
<polyline fill="none" stroke="black" points="189,-581.5 189,-604.5 "/>
<text text-anchor="middle" x="213" y="-589.3" font-family="Times,serif" font-size="14.00">synth</text>
<polyline fill="none" stroke="black" points="237,-581.5 237,-604.5 "/>
<text text-anchor="middle" x="262" y="-589.3" font-family="Times,serif" font-size="14.00">restart</text>
<polyline fill="none" stroke="black" points="287,-581.5 287,-604.5 "/>
<text text-anchor="middle" x="307.5" y="-589.3" font-family="Times,serif" font-size="14.00">pass</text>
</g>
<!-- lookup2&#45;&gt;miss -->
<g id="edge22" class="edge"><title>lookup2:miss:s&#45;&gt;miss</title>
<path fill="none" stroke="blue" stroke-width="2" d="M87,-688C87,-676.946 91.3547,-666.965 97.8762,-658.215"/>
<polygon fill="blue" stroke="blue" stroke-width="2" points="100.599,-660.416 104.412,-650.531 95.2668,-655.881 100.599,-660.416"/>
<g id="edge23" class="edge"><title>lookup2:miss:s&#45;&gt;miss</title>
<path fill="none" stroke="blue" stroke-width="2" d="M112,-688C112,-676.223 116.557,-666.282 123.789,-657.923"/>
<polygon fill="blue" stroke="blue" stroke-width="2" points="126.468,-660.197 131.129,-650.682 121.552,-655.213 126.468,-660.197"/>
</g>
<!-- pass -->
<g id="node21" class="node"><title>pass</title>
<polygon fill="none" stroke="black" points="204,-445.5 204,-514.5 344,-514.5 344,-445.5 204,-445.5"/>
<text text-anchor="middle" x="274" y="-499.3" font-family="Times,serif" font-size="14.00">cnt_pass:</text>
<polyline fill="none" stroke="black" points="204,-491.5 344,-491.5 "/>
<text text-anchor="middle" x="247" y="-476.3" font-family="Times,serif" font-size="14.00">vcl_pass{}</text>
<polyline fill="none" stroke="black" points="290,-468.5 290,-491.5 "/>
<text text-anchor="middle" x="317" y="-476.3" font-family="Times,serif" font-size="14.00">req.*</text>
<polyline fill="none" stroke="black" points="204,-468.5 344,-468.5 "/>
<text text-anchor="middle" x="226" y="-453.3" font-family="Times,serif" font-size="14.00">fetch</text>
<polyline fill="none" stroke="black" points="248,-445.5 248,-468.5 "/>
<text text-anchor="middle" x="271" y="-453.3" font-family="Times,serif" font-size="14.00">synth</text>
<polyline fill="none" stroke="black" points="294,-445.5 294,-468.5 "/>
<text text-anchor="middle" x="319" y="-453.3" font-family="Times,serif" font-size="14.00">restart</text>
<polygon fill="none" stroke="black" points="267.5,-445.5 267.5,-514.5 444.5,-514.5 444.5,-445.5 267.5,-445.5"/>
<text text-anchor="middle" x="356" y="-499.3" font-family="Times,serif" font-size="14.00">cnt_pass:</text>
<polyline fill="none" stroke="black" points="267.5,-491.5 444.5,-491.5 "/>
<text text-anchor="middle" x="320" y="-476.3" font-family="Times,serif" font-size="14.00">vcl_pass{}</text>
<polyline fill="none" stroke="black" points="372.5,-468.5 372.5,-491.5 "/>
<text text-anchor="middle" x="408.5" y="-476.3" font-family="Times,serif" font-size="14.00">req.*</text>
<polyline fill="none" stroke="black" points="267.5,-468.5 444.5,-468.5 "/>
<text text-anchor="middle" x="285" y="-453.3" font-family="Times,serif" font-size="14.00">fail</text>
<polyline fill="none" stroke="black" points="302.5,-445.5 302.5,-468.5 "/>
<text text-anchor="middle" x="324.5" y="-453.3" font-family="Times,serif" font-size="14.00">fetch</text>
<polyline fill="none" stroke="black" points="346.5,-445.5 346.5,-468.5 "/>
<text text-anchor="middle" x="370.5" y="-453.3" font-family="Times,serif" font-size="14.00">synth</text>
<polyline fill="none" stroke="black" points="394.5,-445.5 394.5,-468.5 "/>
<text text-anchor="middle" x="419.5" y="-453.3" font-family="Times,serif" font-size="14.00">restart</text>
</g>
<!-- lookup2&#45;&gt;pass -->
<g id="edge23" class="edge"><title>lookup2:pass:s&#45;&gt;pass</title>
<path fill="none" stroke="red" stroke-width="2" d="M224,-688C224,-666.547 246.56,-670.723 255,-651 272.28,-610.619 275.935,-560.155 275.941,-524.736"/>
<polygon fill="red" stroke="red" stroke-width="2" points="279.441,-524.678 275.846,-514.712 272.441,-524.745 279.441,-524.678"/>
<g id="edge24" class="edge"><title>lookup2:pass:s&#45;&gt;pass</title>
<path fill="none" stroke="red" stroke-width="2" d="M252,-688C252,-646.798 312.535,-684.151 337,-651 363.757,-614.743 365.471,-561.743 362.428,-524.586"/>
<polygon fill="red" stroke="red" stroke-width="2" points="365.904,-524.171 361.46,-514.553 358.936,-524.843 365.904,-524.171"/>
</g>
<!-- lookup -->
<g id="node19" class="node"><title>lookup</title>
<polygon fill="none" stroke="grey" points="110,-841.5 110,-910.5 328,-910.5 328,-841.5 110,-841.5"/>
<text text-anchor="middle" x="219" y="-895.3" font-family="Times,serif" font-size="14.00" fill="grey">cnt_lookup:</text>
<polyline fill="none" stroke="grey" points="110,-887.5 328,-887.5 "/>
<text text-anchor="middle" x="219" y="-872.3" font-family="Times,serif" font-size="14.00" fill="grey">hash lookup</text>
<polyline fill="none" stroke="grey" points="110,-864.5 328,-864.5 "/>
<text text-anchor="middle" x="128.5" y="-849.3" font-family="Times,serif" font-size="14.00" fill="grey">hit?</text>
<polyline fill="none" stroke="grey" points="147,-841.5 147,-864.5 "/>
<text text-anchor="middle" x="171" y="-849.3" font-family="Times,serif" font-size="14.00" fill="grey">miss?</text>
<polyline fill="none" stroke="grey" points="195,-841.5 195,-864.5 "/>
<text text-anchor="middle" x="237.5" y="-849.3" font-family="Times,serif" font-size="14.00" fill="grey">hit&#45;for&#45;pass?</text>
<polyline fill="none" stroke="grey" points="280,-841.5 280,-864.5 "/>
<text text-anchor="middle" x="304" y="-849.3" font-family="Times,serif" font-size="14.00" fill="grey">busy?</text>
<polygon fill="none" stroke="grey" points="117.5,-841.5 117.5,-910.5 340.5,-910.5 340.5,-841.5 117.5,-841.5"/>
<text text-anchor="middle" x="229" y="-895.3" font-family="Times,serif" font-size="14.00" fill="grey">cnt_lookup:</text>
<polyline fill="none" stroke="grey" points="117.5,-887.5 340.5,-887.5 "/>
<text text-anchor="middle" x="229" y="-872.3" font-family="Times,serif" font-size="14.00" fill="grey">hash lookup</text>
<polyline fill="none" stroke="grey" points="117.5,-864.5 340.5,-864.5 "/>
<text text-anchor="middle" x="136.5" y="-849.3" font-family="Times,serif" font-size="14.00" fill="grey">hit?</text>
<polyline fill="none" stroke="grey" points="155.5,-841.5 155.5,-864.5 "/>
<text text-anchor="middle" x="179.5" y="-849.3" font-family="Times,serif" font-size="14.00" fill="grey">miss?</text>
<polyline fill="none" stroke="grey" points="203.5,-841.5 203.5,-864.5 "/>
<text text-anchor="middle" x="247" y="-849.3" font-family="Times,serif" font-size="14.00" fill="grey">hit&#45;for&#45;pass?</text>
<polyline fill="none" stroke="grey" points="290.5,-841.5 290.5,-864.5 "/>
<text text-anchor="middle" x="315.5" y="-849.3" font-family="Times,serif" font-size="14.00" fill="grey">busy?</text>
</g>
<!-- lookup&#45;&gt;lookup2 -->
<g id="edge20" class="edge"><title>lookup:h:s&#45;&gt;lookup2</title>
<path fill="none" stroke="green" stroke-width="2" d="M128,-840C128,-824.001 128,-806.625 128,-790.719"/>
<polygon fill="green" stroke="green" stroke-width="2" points="131.5,-790.507 128,-780.507 124.5,-790.507 131.5,-790.507"/>
<g id="edge21" class="edge"><title>lookup:h:s&#45;&gt;lookup2</title>
<path fill="none" stroke="green" stroke-width="2" d="M136,-840C136,-824.001 136,-806.625 136,-790.719"/>
<polygon fill="green" stroke="green" stroke-width="2" points="139.5,-790.507 136,-780.507 132.5,-790.507 139.5,-790.507"/>
</g>
<!-- lookup&#45;&gt;lookup -->
<g id="edge17" class="edge"><title>lookup:busy:e&#45;&gt;lookup:top:e</title>
<path fill="none" stroke="grey" d="M328,-853C334,-834 346,-834 346,-876 346,-908.812 338.676,-915.99 332.61,-908.5"/>
<polygon fill="grey" stroke="grey" points="335.515,-906.469 328,-899 329.217,-909.525 335.515,-906.469"/>
<text text-anchor="middle" x="379.5" y="-872.3" font-family="Times,serif" font-size="14.00" fill="grey">(waitinglist)</text>
<g id="edge18" class="edge"><title>lookup:busy:e&#45;&gt;lookup:top:e</title>
<path fill="none" stroke="grey" d="M341,-853C346.5,-834 358.5,-834 358.5,-876 358.5,-908.812 351.176,-915.99 345.349,-908.5"/>
<polygon fill="grey" stroke="grey" points="348.345,-906.636 341,-899 341.98,-909.549 348.345,-906.636"/>
<text text-anchor="middle" x="393" y="-872.3" font-family="Times,serif" font-size="14.00" fill="grey">(waitinglist)</text>
</g>
<!-- lookup&#45;&gt;miss -->
<g id="edge18" class="edge"><title>lookup:miss:s&#45;&gt;miss</title>
<path fill="none" stroke="blue" stroke-width="2" d="M171,-840C171,-795.102 232.525,-820.957 253,-781 271.85,-744.215 271.7,-724.861 253,-688 247.056,-676.283 238.17,-666.036 228.148,-657.243"/>
<polygon fill="blue" stroke="blue" stroke-width="2" points="230.244,-654.436 220.292,-650.803 225.806,-659.85 230.244,-654.436"/>
<g id="edge19" class="edge"><title>lookup:miss:s&#45;&gt;miss</title>
<path fill="none" stroke="blue" stroke-width="2" d="M179,-840C179,-787.629 254.833,-826.365 281,-781 301.652,-745.196 295.519,-726.699 281,-688 277.083,-677.56 270.859,-667.647 263.833,-658.721"/>
<polygon fill="blue" stroke="blue" stroke-width="2" points="266.307,-656.224 257.198,-650.813 260.945,-660.724 266.307,-656.224"/>
</g>
<!-- lookup&#45;&gt;pass -->
<g id="edge19" class="edge"><title>lookup:hfp:s&#45;&gt;pass</title>
<path fill="none" stroke="red" stroke-width="2" d="M238,-840C238,-809.048 265.428,-810.435 275,-781 305.034,-688.643 286.665,-660.061 290,-563 290.458,-549.675 291.983,-546.185 290,-533 289.572,-530.154 289.019,-527.249 288.378,-524.339"/>
<polygon fill="red" stroke="red" stroke-width="2" points="291.738,-523.351 285.905,-514.506 284.95,-525.058 291.738,-523.351"/>
<g id="edge20" class="edge"><title>lookup:hfp:s&#45;&gt;pass</title>
<path fill="none" stroke="red" stroke-width="2" d="M247,-840C247,-804.151 281.827,-810.634 302,-781 338.021,-728.084 344.998,-712.127 364,-651 379.677,-600.568 388.498,-584.758 378,-533 377.425,-530.163 376.689,-527.289 375.838,-524.423"/>
<polygon fill="red" stroke="red" stroke-width="2" points="379.094,-523.126 372.565,-514.782 372.466,-525.377 379.094,-523.126"/>
</g>
<!-- miss&#45;&gt;FETCH -->
<g id="edge24" class="edge"><title>miss:fetch:s&#45;&gt;FETCH</title>
<path fill="none" stroke="blue" stroke-width="2" d="M88,-581C88,-566.206 107.544,-575.139 116,-563 146.653,-518.997 153.142,-454.572 154.188,-418.35"/>
<polygon fill="blue" stroke="blue" stroke-width="2" points="157.693,-418.125 154.359,-408.068 150.694,-418.008 157.693,-418.125"/>
<g id="edge25" class="edge"><title>miss:fetch:s&#45;&gt;FETCH</title>
<path fill="none" stroke="blue" stroke-width="2" d="M167,-581C167,-521.909 184.892,-454.453 196.121,-417.934"/>
<polygon fill="blue" stroke="blue" stroke-width="2" points="199.565,-418.651 199.229,-408.061 192.888,-416.549 199.565,-418.651"/>
</g>
<!-- miss&#45;&gt;pass -->
<g id="edge25" class="edge"><title>miss:pass:s&#45;&gt;pass</title>
<path fill="none" stroke="red" stroke-width="2" d="M226,-581C226,-561.014 233.889,-540.798 243.27,-523.823"/>
<polygon fill="red" stroke="red" stroke-width="2" points="246.553,-525.144 248.594,-514.748 240.515,-521.602 246.553,-525.144"/>
<g id="edge26" class="edge"><title>miss:pass:s&#45;&gt;pass</title>
<path fill="none" stroke="red" stroke-width="2" d="M308,-581C308,-561.014 315.889,-540.798 325.27,-523.823"/>
<polygon fill="red" stroke="red" stroke-width="2" points="328.553,-525.144 330.594,-514.748 322.515,-521.602 328.553,-525.144"/>
</g>
<!-- pass&#45;&gt;FETCH -->
<g id="edge26" class="edge"><title>pass:fetch:s&#45;&gt;FETCH</title>
<path fill="none" stroke="red" stroke-width="2" d="M226,-445C226,-435.486 209.709,-422.805 192.625,-412.122"/>
<polygon fill="red" stroke="red" stroke-width="2" points="194.073,-408.908 183.701,-406.745 190.46,-414.904 194.073,-408.908"/>
<g id="edge27" class="edge"><title>pass:fetch:s&#45;&gt;FETCH</title>
<path fill="none" stroke="red" stroke-width="2" d="M324,-445C324,-442.803 280.413,-423.486 245.997,-408.577"/>
<polygon fill="red" stroke="red" stroke-width="2" points="247.145,-405.26 236.577,-404.506 244.369,-411.686 247.145,-405.26"/>
</g>
<!-- pipe -->
<g id="node22" class="node"><title>pipe</title>
<polygon fill="none" stroke="black" points="631,-818.5 631,-933.5 765,-933.5 765,-818.5 631,-818.5"/>
<text text-anchor="middle" x="698" y="-918.3" font-family="Times,serif" font-size="14.00">cnt_pipe:</text>
<polyline fill="none" stroke="black" points="631,-910.5 765,-910.5 "/>
<text text-anchor="middle" x="698" y="-895.3" font-family="Times,serif" font-size="14.00">filter req.*&#45;&gt;bereq.*</text>
<polyline fill="none" stroke="black" points="631,-887.5 765,-887.5 "/>
<text text-anchor="middle" x="669.5" y="-860.8" font-family="Times,serif" font-size="14.00">vcl_pipe{}</text>
<polyline fill="none" stroke="black" points="708,-841.5 708,-887.5 "/>
<text text-anchor="middle" x="736.5" y="-872.3" font-family="Times,serif" font-size="14.00">req.*</text>
<polyline fill="none" stroke="black" points="708,-864.5 765,-864.5 "/>
<text text-anchor="middle" x="736.5" y="-849.3" font-family="Times,serif" font-size="14.00">bereq.*</text>
<polyline fill="none" stroke="black" points="631,-841.5 765,-841.5 "/>
<text text-anchor="middle" x="663" y="-826.3" font-family="Times,serif" font-size="14.00">pipe</text>
<polyline fill="none" stroke="black" points="695,-818.5 695,-841.5 "/>
<text text-anchor="middle" x="730" y="-826.3" font-family="Times,serif" font-size="14.00">synth</text>
<polygon fill="none" stroke="black" points="636.5,-818.5 636.5,-933.5 775.5,-933.5 775.5,-818.5 636.5,-818.5"/>
<text text-anchor="middle" x="706" y="-918.3" font-family="Times,serif" font-size="14.00">cnt_pipe:</text>
<polyline fill="none" stroke="black" points="636.5,-910.5 775.5,-910.5 "/>
<text text-anchor="middle" x="706" y="-895.3" font-family="Times,serif" font-size="14.00">filter req.*&#45;&gt;bereq.*</text>
<polyline fill="none" stroke="black" points="636.5,-887.5 775.5,-887.5 "/>
<text text-anchor="middle" x="676.5" y="-860.8" font-family="Times,serif" font-size="14.00">vcl_pipe{}</text>
<polyline fill="none" stroke="black" points="716.5,-841.5 716.5,-887.5 "/>
<text text-anchor="middle" x="746" y="-872.3" font-family="Times,serif" font-size="14.00">req.*</text>
<polyline fill="none" stroke="black" points="716.5,-864.5 775.5,-864.5 "/>
<text text-anchor="middle" x="746" y="-849.3" font-family="Times,serif" font-size="14.00">bereq.*</text>
<polyline fill="none" stroke="black" points="636.5,-841.5 775.5,-841.5 "/>
<text text-anchor="middle" x="656.5" y="-826.3" font-family="Times,serif" font-size="14.00">fail</text>
<polyline fill="none" stroke="black" points="676.5,-818.5 676.5,-841.5 "/>
<text text-anchor="middle" x="699.5" y="-826.3" font-family="Times,serif" font-size="14.00">pipe</text>
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<g id="node23" class="node"><title>pipe_do</title>
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<text text-anchor="middle" x="710" y="-738.3" font-family="Times,serif" font-size="14.00">send bereq,</text>
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</g>
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<g id="edge27" class="edge"><title>pipe:pipe&#45;&gt;pipe_do</title>
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<g id="edge28" class="edge"><title>pipe_do&#45;&gt;DONE</title>
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<!-- restart&#45;&gt;recv -->
<g id="edge30" class="edge"><title>restart:ok:s&#45;&gt;recv</title>
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<text text-anchor="middle" x="792" y="-1109.3" font-family="Times,serif" font-size="14.00">SYNTH</text>
<text text-anchor="middle" x="763" y="-1109.3" font-family="Times,serif" font-size="14.00">SYNTH</text>
</g>
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<g id="edge35" class="edge"><title>hash:lookup:w&#45;&gt;lookup</title>
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<!-- hash&#45;&gt;pass -->
<g id="edge37" class="edge"><title>hash:lookup:s&#45;&gt;pass</title>
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<g id="edge38" class="edge"><title>hash:lookup:s&#45;&gt;pass</title>
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<!-- hash&#45;&gt;pipe -->
<g id="edge38" class="edge"><title>hash:lookup:e&#45;&gt;pipe</title>
<path fill="none" stroke="orange" stroke-width="2" d="M575,-983C605.899,-983 632.887,-963.568 653.648,-941.344"/>
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<g id="node27" class="node"><title>purge</title>
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<text text-anchor="middle" x="473" y="-872.3" font-family="Times,serif" font-size="14.00">vcl_purge{}</text>
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<text text-anchor="middle" x="551" y="-895.3" font-family="Times,serif" font-size="14.00">cnt_purge:</text>
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<text text-anchor="middle" x="528" y="-872.3" font-family="Times,serif" font-size="14.00">vcl_purge{}</text>
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<text text-anchor="middle" x="501.5" y="-849.3" font-family="Times,serif" font-size="14.00">fail</text>
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<text text-anchor="middle" x="543" y="-849.3" font-family="Times,serif" font-size="14.00">synth</text>
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<text text-anchor="middle" x="592.5" y="-849.3" font-family="Times,serif" font-size="14.00">restart</text>
</g>
<!-- hash&#45;&gt;purge -->
<g id="edge36" class="edge"><title>hash:lookup:s&#45;&gt;purge:top:n</title>
<path fill="none" stroke="purple" stroke-width="2" d="M513,-971C513,-947.333 499.585,-940.99 495.917,-922.06"/>
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<g id="edge37" class="edge"><title>hash:lookup:s&#45;&gt;purge:top:n</title>
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<polygon fill="purple" stroke="purple" stroke-width="2" points="552.735,-922.452 551,-912 545.838,-921.252 552.735,-922.452"/>
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