Maintain statistics about the number of allocations made and the amount of

allocated and free space.


git-svn-id: http://www.varnish-cache.org/svn/trunk/varnish-cache@1565 d4fa192b-c00b-0410-8231-f00ffab90ce4

bin/varnishd/storage_file.c

@@ -442,7 +442,7 @@ alloc_smf(struct smf_sc *sc, size_t bytes)
 }
 
 /*--------------------------------------------------------------------
- * Free a range.  Attemt merge forward and backward, then sort into
+ * Free a range.  Attempt merge forward and backward, then sort into
  * free list according to age.
  */
 
@@ -613,6 +613,8 @@ smf_open(struct stevedore *st)
 	if (sum < MINPAGES * (uintmax_t)getpagesize())
 		exit (2);
 	MTX_INIT(&sc->mtx);
+
+	VSL_stats->sm_bfree += sc->filesize;
 }
 
 /*--------------------------------------------------------------------*/
@@ -627,8 +629,12 @@ smf_alloc(struct stevedore *st, size_t size)
 	size += (sc->pagesize - 1);
 	size &= ~(sc->pagesize - 1);
 	LOCK(&sc->mtx);
+	VSL_stats->sm_nreq++;
 	smf = alloc_smf(sc, size);
 	CHECK_OBJ_NOTNULL(smf, SMF_MAGIC);
+	VSL_stats->sm_nobj++;
+	VSL_stats->sm_balloc += smf->size;
+	VSL_stats->sm_bfree -= smf->size;
 	UNLOCK(&sc->mtx);
 	XXXAN(smf);
 	assert(smf->size == size);
@@ -662,6 +668,8 @@ smf_trim(struct storage *s, size_t size)
 	size &= ~(sc->pagesize - 1);
 	if (smf->size > size) {
 		LOCK(&sc->mtx);
+		VSL_stats->sm_balloc -= (smf->size - size);
+		VSL_stats->sm_bfree += (smf->size - size);
 		trim_smf(smf, size);
 		assert(smf->size == size);
 		UNLOCK(&sc->mtx);
@@ -681,6 +689,9 @@ smf_free(struct storage *s)
 	CAST_OBJ_NOTNULL(smf, s->priv, SMF_MAGIC);
 	sc = smf->sc;
 	LOCK(&sc->mtx);
+	VSL_stats->sm_nobj--;
+	VSL_stats->sm_balloc -= smf->size;
+	VSL_stats->sm_bfree += smf->size;
 	free_smf(smf);
 	UNLOCK(&sc->mtx);
 }

bin/varnishd/storage_malloc.c

@@ -35,6 +35,7 @@
 
 #include <stdlib.h>
 
+#include "shmlog.h"
 #include "cache.h"
 
 struct sma {
@@ -46,6 +47,7 @@ sma_alloc(struct stevedore *st, size_t size)
 {
 	struct sma *sma;
 
+	VSL_stats->sm_nreq++;
 	sma = calloc(sizeof *sma, 1);
 	XXXAN(sma);
 	sma->s.priv = sma;
@@ -56,6 +58,8 @@ sma_alloc(struct stevedore *st, size_t size)
 	sma->s.fd = -1;
 	sma->s.stevedore = st;
 	sma->s.magic = STORAGE_MAGIC;
+	VSL_stats->sm_nobj++;
+	VSL_stats->sm_balloc += sma->s.space;
 	return (&sma->s);
 }
 
@@ -65,6 +69,8 @@ sma_free(struct storage *s)
 	struct sma *sma;
 
 	sma = s->priv;
+	VSL_stats->sm_nobj--;
+	VSL_stats->sm_balloc -= sma->s.space;
 	free(sma->s.ptr);
 	free(sma);
 }