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| author | Mike Silbersack <silby@FreeBSD.org> | 2003-12-28 08:57:09 +0000 |
|---|---|---|
| committer | Mike Silbersack <silby@FreeBSD.org> | 2003-12-28 08:57:09 +0000 |
| commit | ddeb5b242e0c6d90043f2452f7cd45977359d0e7 (patch) | |
| tree | 2b62e31e3e0755c298f351a2378068e7e3db825a /sys/amd64/amd64/vm_machdep.c | |
| parent | eb2cdcb127fb3bbb913cdc002f4b4e1d09aebec9 (diff) | |
| download | src-ddeb5b242e0c6d90043f2452f7cd45977359d0e7.tar.gz src-ddeb5b242e0c6d90043f2452f7cd45977359d0e7.zip | |
Track three new sendfile-related statistics:
- The number of times sendfile had to do disk I/O
- The number of times sfbuf allocation failed
- The number of times sfbuf allocation had to wait
Notes
Notes:
svn path=/head/; revision=123929
Diffstat (limited to 'sys/amd64/amd64/vm_machdep.c')
| -rw-r--r-- | sys/amd64/amd64/vm_machdep.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/sys/amd64/amd64/vm_machdep.c b/sys/amd64/amd64/vm_machdep.c index d7c2c68800aa..be625ce0e7fd 100644 --- a/sys/amd64/amd64/vm_machdep.c +++ b/sys/amd64/amd64/vm_machdep.c @@ -460,6 +460,7 @@ sf_buf_alloc(struct vm_page *m) mtx_lock(&sf_freelist.sf_lock); while ((sf = SLIST_FIRST(&sf_freelist.sf_head)) == NULL) { sf_buf_alloc_want++; + mbstat.sf_allocwait++; error = msleep(&sf_freelist, &sf_freelist.sf_lock, PVM|PCATCH, "sfbufa", 0); sf_buf_alloc_want--; |