r2993 - in trunk/varnish-cache: bin/varnishd include

[phk at projects.linpro.no]

Author: phk
Date: 2008-07-22 16:40:33 +0200 (Tue, 22 Jul 2008)
New Revision: 2993

Modified:
   trunk/varnish-cache/bin/varnishd/shmlog.c
   trunk/varnish-cache/include/stat_field.h
Log:
Add a counter for shmlog wraparounds.



Modified: trunk/varnish-cache/bin/varnishd/shmlog.c
===================================================================
--- trunk/varnish-cache/bin/varnishd/shmlog.c	2008-07-22 14:40:13 UTC (rev 2992)
+++ trunk/varnish-cache/bin/varnishd/shmlog.c	2008-07-22 14:40:33 UTC (rev 2993)
@@ -74,6 +74,7 @@
 	*logstart = SLT_ENDMARKER;
 	logstart[loghead->ptr] = SLT_WRAPMARKER;
 	loghead->ptr = 0;
+	VSL_stats->shm_cycles++;
 }
 
 static void

Modified: trunk/varnish-cache/include/stat_field.h
===================================================================
--- trunk/varnish-cache/include/stat_field.h	2008-07-22 14:40:13 UTC (rev 2992)
+++ trunk/varnish-cache/include/stat_field.h	2008-07-22 14:40:33 UTC (rev 2993)
@@ -92,6 +92,7 @@
 MAC_STAT(shm_writes,		uint64_t, 'a', "SHM writes")
 MAC_STAT(shm_flushes,		uint64_t, 'a', "SHM flushes due to overflow")
 MAC_STAT(shm_cont,		uint64_t, 'a', "SHM MTX contention")
+MAC_STAT(shm_cycles,		uint64_t, 'a', "SHM cycles through buffer")
 
 MAC_STAT(sm_nreq,		uint64_t, 'a', "allocator requests")
 MAC_STAT(sm_nobj,		uint64_t, 'i', "outstanding allocations")