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| author | James Peach <jpeach@samba.org> | 2006-05-08 03:20:49 +0000 |
|---|---|---|
| committer | Gerald (Jerry) Carter <jerry@samba.org> | 2007-10-10 11:16:55 -0500 |
| commit | 826614ed16e0fb23d30305990dbfa357b4366de2 (patch) | |
| tree | 924ca53959929f394ca662b9385280c10e7610c9 /source3/include | |
| parent | 256690098256dc5205ae246ff49de10324defdf6 (diff) | |
| download | samba-826614ed16e0fb23d30305990dbfa357b4366de2.tar.gz samba-826614ed16e0fb23d30305990dbfa357b4366de2.tar.bz2 samba-826614ed16e0fb23d30305990dbfa357b4366de2.zip | |
r15508: Use clock_gettime for profiling timstamps if it is available. Use
the fastest clock available on uniprocessors.
(This used to be commit d44862928206b524f826bd7c2997ab5353c0b6a0)
Diffstat (limited to 'source3/include')
| -rw-r--r-- | source3/include/smbprofile.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/source3/include/smbprofile.h b/source3/include/smbprofile.h index dd171ac13e..fb5fa078c1 100644 --- a/source3/include/smbprofile.h +++ b/source3/include/smbprofile.h @@ -419,6 +419,25 @@ extern BOOL do_profile_times; #define DEC_PROFILE_COUNT(x) profile_p->x-- #define ADD_PROFILE_COUNT(x,y) profile_p->x += (y) +#if defined(HAVE_CLOCK_GETTIME) + +extern clockid_t __profile_clock; + +static inline unsigned long long profile_timestamp(void) +{ + struct timespec ts; + + /* FIXME: On a single-CPU system, or a system where we have bound + * daemon threads to single CPUs (eg. using cpusets or processor + * affinity), it might be preferable to use CLOCK_PROCESS_CPUTIME_ID. + */ + + clock_gettime(__profile_clock, &ts); + return (ts.tv_sec * 1000000) + (ts.tv_nsec / 1000); /* usec */ +} + +#else + static inline unsigned long long profile_timestamp(void) { struct timeval tv; @@ -426,6 +445,8 @@ static inline unsigned long long profile_timestamp(void) return (tv.tv_sec * 1000000) + tv.tv_usec; } +#endif + /* end of helper macros */ #define DO_PROFILE_INC(x) \ |