diff options
| author | rwatson <rwatson@FreeBSD.org> | 2004-07-23 14:11:04 +0000 |
|---|---|---|
| committer | rwatson <rwatson@FreeBSD.org> | 2004-07-23 14:11:04 +0000 |
| commit | 882656d16c73f00727eb12c05f01ab01e471d8b1 (patch) | |
| tree | 973f5e66bd2f89a5955fe2f0d899748ae35a4339 /usr.sbin/watchdogd/watchdogd.c | |
| parent | 3654de90d4d4834214e36df0573e0872900e114c (diff) | |
| download | FreeBSD-src-882656d16c73f00727eb12c05f01ab01e471d8b1.zip FreeBSD-src-882656d16c73f00727eb12c05f01ab01e471d8b1.tar.gz | |
Don't perform pipe endpoint locking during pipe_create(), as the pipe
can't yet be referenced by other threads.
In microbenchmarks, this appears to reduce the cost of
pipe();close();close() on UP by 10%, and SMP by 7%. The vast majority
of the cost of allocating a pipe remains VM magic.
Suggested by: silby
Diffstat (limited to 'usr.sbin/watchdogd/watchdogd.c')
0 files changed, 0 insertions, 0 deletions
