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vfs: count calls to uma_reclaim in vnlru

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This commit is contained in:
Mateusz Guzik 2023-10-11 22:48:03 +00:00
parent cc1cb9ea0c
commit bb679b0c49
1 changed files with 7 additions and 1 deletions
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8
sys/kern/vfs_subr.c
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@ -1711,6 +1711,10 @@ vnlru_proc_light(void)
return (true);
}
static u_long uma_reclaim_calls;
SYSCTL_ULONG(_vfs_vnode_vnlru, OID_AUTO, uma_reclaim_calls, CTLFLAG_RD | CTLFLAG_STATS,
&uma_reclaim_calls, 0, "Number of calls to uma_reclaim");
static void
vnlru_proc(void)
{
@ -1801,8 +1805,10 @@ vnlru_proc(void)
* this happens.
*/
if (onumvnodes + VNLRU_COUNT_SLOP + 1000 > desiredvnodes &&
numvnodes <= desiredvnodes)
numvnodes <= desiredvnodes) {
uma_reclaim_calls++;
uma_reclaim(UMA_RECLAIM_DRAIN);
}
if (done == 0) {
if (force == 0 || force == 1) {
force = 2;