From: phk <phk@d4fa192b-c00b-0410-8231-f00ffab90ce4>
Date: Mon, 18 Feb 2008 09:59:08 +0000 (+0000)
Subject: Add a stats field to monitor the LRU move rate.
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e14790286e27f9d92b417618c8a5351fc69bdd3c;p=varnish

Add a stats field to monitor the LRU move rate.


git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2506 d4fa192b-c00b-0410-8231-f00ffab90ce4
---

diff --git a/varnish-cache/bin/varnishd/cache_expire.c b/varnish-cache/bin/varnishd/cache_expire.c
index 5381a701..f12d1b08 100644
--- a/varnish-cache/bin/varnishd/cache_expire.c
+++ b/varnish-cache/bin/varnishd/cache_expire.c
@@ -106,6 +106,7 @@ EXP_Touch(struct object *o, double now)
 	CHECK_OBJ_NOTNULL(o, OBJECT_MAGIC);
 	if (o->lru_stamp + params->lru_timeout < now) {
 		LOCK(&exp_mtx);	/* XXX: should be ..._TRY */
+		VSL_stats->n_lru_moved++;
 		if (o->timer_idx != lru_target && o->timer_idx != 0) {
 			VTAILQ_REMOVE(&exp_lru, o, deathrow);
 			VTAILQ_INSERT_TAIL(&exp_lru, o, deathrow);
diff --git a/varnish-cache/include/stat_field.h b/varnish-cache/include/stat_field.h
index f2736d29..90baaa12 100644
--- a/varnish-cache/include/stat_field.h
+++ b/varnish-cache/include/stat_field.h
@@ -65,6 +65,7 @@ MAC_STAT(n_backend,		uint64_t, 'i', "N backends")
 MAC_STAT(n_expired,		uint64_t, 'i', "N expired objects")
 MAC_STAT(n_lru_nuked,		uint64_t, 'i', "N LRU nuked objects")
 MAC_STAT(n_lru_saved,		uint64_t, 'i', "N LRU saved objects")
+MAC_STAT(n_lru_moved,		uint64_t, 'i', "N LRU moved objects")
 MAC_STAT(n_deathrow,		uint64_t, 'i', "N objects on deathrow")
 
 MAC_STAT(losthdr,		uint64_t, 'a', "HTTP header overflows")