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| author | Eric van Gyzen <vangyzen@FreeBSD.org> | 2019-10-04 21:43:43 +0000 |
|---|---|---|
| committer | Eric van Gyzen <vangyzen@FreeBSD.org> | 2019-10-04 21:43:43 +0000 |
| commit | e61e783b832acfb2772df3ddd0f10ee59508f1d1 (patch) | |
| tree | aa935d5d4c423e2c1abe8d3364e7fa82f1d4c0c5 /sys/kern/vfs_bio.c | |
| parent | 886614922dba775cf104452ca1d85f1b2f398597 (diff) | |
| download | src-e61e783b832acfb2772df3ddd0f10ee59508f1d1.tar.gz src-e61e783b832acfb2772df3ddd0f10ee59508f1d1.zip | |
Add CTLFLAG_STATS to some vfs sysctl OIDs
Add CTLFLAG_STATS to the following OIDs:
vfs.altbufferflushes
vfs.recursiveflushes
vfs.barrierwrites
vfs.flushwithdeps
vfs.reassignbufcalls
Refer to r353111.
MFC after: 2 weeks
Sponsored by: Dell EMC Isilon
Notes
Notes:
svn path=/head/; revision=353112
Diffstat (limited to 'sys/kern/vfs_bio.c')
| -rw-r--r-- | sys/kern/vfs_bio.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/sys/kern/vfs_bio.c b/sys/kern/vfs_bio.c index 940b27665600..8e14592b402d 100644 --- a/sys/kern/vfs_bio.c +++ b/sys/kern/vfs_bio.c @@ -250,11 +250,11 @@ int bdwriteskip; SYSCTL_INT(_vfs, OID_AUTO, bdwriteskip, CTLFLAG_RW, &bdwriteskip, 0, "Number of buffers supplied to bdwrite with snapshot deadlock risk"); int altbufferflushes; -SYSCTL_INT(_vfs, OID_AUTO, altbufferflushes, CTLFLAG_RW, &altbufferflushes, - 0, "Number of fsync flushes to limit dirty buffers"); +SYSCTL_INT(_vfs, OID_AUTO, altbufferflushes, CTLFLAG_RW | CTLFLAG_STATS, + &altbufferflushes, 0, "Number of fsync flushes to limit dirty buffers"); static int recursiveflushes; -SYSCTL_INT(_vfs, OID_AUTO, recursiveflushes, CTLFLAG_RW, &recursiveflushes, - 0, "Number of flushes skipped due to being recursive"); +SYSCTL_INT(_vfs, OID_AUTO, recursiveflushes, CTLFLAG_RW | CTLFLAG_STATS, + &recursiveflushes, 0, "Number of flushes skipped due to being recursive"); static int sysctl_numdirtybuffers(SYSCTL_HANDLER_ARGS); SYSCTL_PROC(_vfs, OID_AUTO, numdirtybuffers, CTLTYPE_INT|CTLFLAG_MPSAFE|CTLFLAG_RD, NULL, 0, sysctl_numdirtybuffers, "I", @@ -309,8 +309,8 @@ static counter_u64_t notbufdflushes; SYSCTL_COUNTER_U64(_vfs, OID_AUTO, notbufdflushes, CTLFLAG_RD, ¬bufdflushes, "Number of dirty buffer flushes done by the bufdaemon helpers"); static long barrierwrites; -SYSCTL_LONG(_vfs, OID_AUTO, barrierwrites, CTLFLAG_RW, &barrierwrites, 0, - "Number of barrier writes"); +SYSCTL_LONG(_vfs, OID_AUTO, barrierwrites, CTLFLAG_RW | CTLFLAG_STATS, + &barrierwrites, 0, "Number of barrier writes"); SYSCTL_INT(_vfs, OID_AUTO, unmapped_buf_allowed, CTLFLAG_RD, &unmapped_buf_allowed, 0, "Permit the use of the unmapped i/o"); @@ -3423,8 +3423,9 @@ buf_daemon() * particularly sensitive to. */ static int flushwithdeps = 0; -SYSCTL_INT(_vfs, OID_AUTO, flushwithdeps, CTLFLAG_RW, &flushwithdeps, - 0, "Number of buffers flushed with dependecies that require rollbacks"); +SYSCTL_INT(_vfs, OID_AUTO, flushwithdeps, CTLFLAG_RW | CTLFLAG_STATS, + &flushwithdeps, 0, + "Number of buffers flushed with dependecies that require rollbacks"); static int flushbufqueues(struct vnode *lvp, struct bufdomain *bd, int target, |