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| author | Benoit Dejean <bdejean@gmail.com> | 2015-07-18 15:08:08 +0200 |
|---|---|---|
| committer | Benoit Dejean <bdejean@gmail.com> | 2015-07-18 15:46:26 +0200 |
| commit | 3bd720ad81a3132e9cff973330dddb78fd01a4bb (patch) | |
| tree | 92f08e0e22e0506da09810409cfd3024b581038b | |
| parent | 6acebf416dd8bc5da49aed1bd020afd656fdade2 (diff) | |
| download | libgtop-3bd720ad81a3132e9cff973330dddb78fd01a4bb.tar.gz | |
Do the math correctly to avoid loss of precision for rtime.
I've noticed this with system-monitor where all processes got
a perfectly round CPU time to the second.
| -rw-r--r-- | sysdeps/freebsd/proctime.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/sysdeps/freebsd/proctime.c b/sysdeps/freebsd/proctime.c index 3928ab5c..be880402 100644 --- a/sysdeps/freebsd/proctime.c +++ b/sysdeps/freebsd/proctime.c @@ -80,7 +80,6 @@ glibtop_get_proc_time_p (glibtop *server, glibtop_proc_time *buf, glibtop_suid_leave (server); - buf->rtime = pinfo [0].ki_runtime * 1e-6; len = sizeof (ci); if (sysctlbyname ("kern.clockrate", &ci, &len, NULL, 0)) { @@ -90,10 +89,9 @@ glibtop_get_proc_time_p (glibtop *server, glibtop_proc_time *buf, } buf->frequency = (ci.stathz ? ci.stathz : ci.hz); + buf->rtime = pinfo [0].ki_runtime * buf->frequency / 1000000; buf->flags = _glibtop_sysdeps_proc_time; - buf->rtime *= buf->frequency; - if ((pinfo [0].ki_flag & PS_INMEM)) { buf->utime = (pinfo [0].ki_runtime * 1e-6) * buf->frequency; buf->stime = tv2sec (pinfo [0].ki_rusage.ru_stime) * buf->frequency; |