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enable optimal defaults on linux kernels that can support newer features.

This commit is contained in:
Anthony Minessale 2011-04-18 11:17:33 +00:00
parent bef6f0f40d
commit 0b51aca321
2 changed files with 15 additions and 7 deletions
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3
src/switch_core.c
View File

@ -1662,9 +1662,6 @@ static void switch_load_core_config(const char *file)
switch_time_set_monotonic(switch_true(val));
} else if (!strcasecmp(var, "enable-softtimer-timerfd")) {
switch_time_set_timerfd(switch_true(val));
if (switch_true(val)) {
switch_clear_flag((&runtime), SCF_CALIBRATE_CLOCK);
}
} else if (!strcasecmp(var, "enable-clock-nanosleep")) {
switch_time_set_nanosleep(switch_true(val));
} else if (!strcasecmp(var, "enable-cond-yield")) {

19
src/switch_time.c
View File

@ -61,14 +61,20 @@ static int MONO = 1;
static int MONO = 0;
#endif
/* clock_nanosleep works badly on some kernels but really well on others.
timerfd seems to work well as long as it exists so if you have timerfd we'll also enable clock_nanosleep by default.
*/
#if defined(HAVE_TIMERFD_CREATE)
// We'll default this to 1 after we have had some positive feedback that it works well
static int TFD = 0;
static int TFD = 1;
#if defined(HAVE_CLOCK_NANOSLEEP)
static int NANO = 1;
#else
static int NANO = 0;
#endif
#else
static int TFD = 0;
#endif
static int NANO = 0;
#endif
static int OFFSET = 0;
@ -326,6 +332,7 @@ SWITCH_DECLARE(void) switch_time_set_timerfd(switch_bool_t enable)
#if defined(HAVE_TIMERFD_CREATE)
TFD = enable ? 1 : 0;
switch_time_sync();
#else
TFD = 0;
#endif
@ -1116,6 +1123,10 @@ SWITCH_MODULE_LOAD_FUNCTION(softtimer_load)
switch_time_set_cond_yield(SWITCH_FALSE);
}
if (TFD) {
switch_clear_flag((&runtime), SCF_CALIBRATE_CLOCK);
}
if (switch_test_flag((&runtime), SCF_CALIBRATE_CLOCK)) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CONSOLE, "Calibrating timer, please wait...\n");
switch_time_calibrate_clock();