diff options
| author | Benny Baumann <BenBE@geshi.org> | 2020-12-12 20:43:08 +0100 |
|---|---|---|
| committer | Benny Baumann <BenBE@geshi.org> | 2020-12-13 11:47:34 +0100 |
| commit | f32f0188cd140f965c5e02f7fb875116522c4b41 (patch) | |
| tree | 5eeffc53cf9c7ad26f441e31df7df6a15e81fa9f /darwin/Platform.c | |
| parent | e65cdf947cba77e143a31981295062f1aef6d494 (diff) | |
Correct timebase for non-x86 CPUs on Darwin
Fixes: #368
Diffstat (limited to 'darwin/Platform.c')
| -rw-r--r-- | darwin/Platform.c | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/darwin/Platform.c b/darwin/Platform.c index d22ba579..69cd32a4 100644 --- a/darwin/Platform.c +++ b/darwin/Platform.c @@ -6,6 +6,8 @@ Released under the GNU GPLv2, see the COPYING file in the source distribution for its full text. */ +#include "config.h" // IWYU pragma: keep + #include "Platform.h" #include <math.h> @@ -32,6 +34,10 @@ in the source distribution for its full text. #include "zfs/ZfsArcMeter.h" #include "zfs/ZfsCompressedArcMeter.h" +#ifdef HAVE_MACH_MACH_TIME_H +#include <mach/mach_time.h> +#endif + ProcessField Platform_defaultFields[] = { PID, USER, PRIORITY, NICE, M_VIRT, M_RESIDENT, STATE, PERCENT_CPU, PERCENT_MEM, TIME, COMM, 0 }; @@ -135,8 +141,18 @@ const MeterClass* const Platform_meterTypes[] = { int Platform_numberOfFields = 100; +double Platform_timebaseToNS = 1.0; + void Platform_init(void) { - /* no platform-specific setup needed */ + // Check if we can determine the timebase used on this system. + // If the API is unavailable assume we get our timebase in nanoseconds. +#ifdef HAVE_MACH_TIMEBASE_INFO + mach_timebase_info_data_t info; + mach_timebase_info(&info); + Platform_timebaseToNS = (double)info.numer / (double)info.denom; +#else + Platform_timebaseToNS = 1.0; +#endif } void Platform_done(void) { |