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| author | Rickard Green <[email protected]> | 2015-03-24 16:56:08 +0100 |
|---|---|---|
| committer | Rickard Green <[email protected]> | 2015-03-24 16:56:08 +0100 |
| commit | 5345727d647ea65b7a0417c87b94cf958ef9ee13 (patch) | |
| tree | bcc1c75102741e9768c88b1481390e40e32586e7 /erts/emulator/beam/erl_lock_count.c | |
| parent | a11cec66e37c039d33091db056c0ae44405043ac (diff) | |
| parent | c20482023b70768bd84d25f1e34dbbc2fe09cf31 (diff) | |
| download | otp-5345727d647ea65b7a0417c87b94cf958ef9ee13.tar.gz otp-5345727d647ea65b7a0417c87b94cf958ef9ee13.tar.bz2 otp-5345727d647ea65b7a0417c87b94cf958ef9ee13.zip | |
Merge branch 'rickard/time_api/OTP-11997'
* rickard/time_api/OTP-11997:
Better OS system time implementation
Documentation adjustments
Fix zero timout timers
erts_sys_hrtime() for lcnt
Better support for poor os monotonic sources
Conflicts:
erts/preloaded/ebin/erlang.beam
Diffstat (limited to 'erts/emulator/beam/erl_lock_count.c')
| -rw-r--r-- | erts/emulator/beam/erl_lock_count.c | 13 |
1 files changed, 5 insertions, 8 deletions
diff --git a/erts/emulator/beam/erl_lock_count.c b/erts/emulator/beam/erl_lock_count.c index ddeb56a6be..c6d8f4df95 100644 --- a/erts/emulator/beam/erl_lock_count.c +++ b/erts/emulator/beam/erl_lock_count.c @@ -104,16 +104,13 @@ static void lcnt_clear_stats(erts_lcnt_lock_stats_t *stats) { } static void lcnt_time(erts_lcnt_time_t *time) { -#if 0 || defined(ERTS_HAVE_OS_MONOTONIC_TIME_SUPPORT) - ErtsMonotonicTime mtime = ERTS_MONOTONIC_TO_NSEC(erts_os_monotonic_time()); + /* + * erts_sys_hrtime() is the highest resolution + * we could find, it may or may not be monotonic... + */ + ErtsMonotonicTime mtime = erts_sys_hrtime(); time->s = (unsigned long) (mtime / 1000000000LL); time->ns = (unsigned long) (mtime - 1000000000LL*time->s); -#else - SysTimeval tv; - sys_gettimeofday(&tv); - time->s = tv.tv_sec; - time->ns = tv.tv_usec*1000LL; -#endif } static void lcnt_time_diff(erts_lcnt_time_t *d, erts_lcnt_time_t *t1, erts_lcnt_time_t *t0) { |