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| author | Lennart Poettering <lennart@poettering.net> | 2012-05-31 04:36:08 +0200 |
|---|---|---|
| committer | Lennart Poettering <lennart@poettering.net> | 2012-05-31 04:36:08 +0200 |
| commit | aa0f64ac851ebf27342d66947b5170bfeb9f49ae (patch) | |
| tree | c57b895246b50ad6c2d155de503a43f2b859aa86 /src | |
| parent | d88a251b125f6e9178b9ca9ea47ab7da3234cb58 (diff) | |
main: allow setting of timer slack for PID 1
Diffstat (limited to 'src')
| -rw-r--r-- | src/core/main.c | 6 | ||||
| -rw-r--r-- | src/core/system.conf | 1 |
2 files changed, 7 insertions, 0 deletions
diff --git a/src/core/main.c b/src/core/main.c index 4c3ee7d5a2..5cd012e957 100644 --- a/src/core/main.c +++ b/src/core/main.c @@ -90,6 +90,7 @@ static usec_t arg_runtime_watchdog = 0; static usec_t arg_shutdown_watchdog = 10 * USEC_PER_MINUTE; static struct rlimit *arg_default_rlimit[RLIMIT_NLIMITS] = {}; static uint64_t arg_capability_bounding_set_drop = 0; +static nsec_t arg_timer_slack_nsec = (nsec_t) -1; static FILE* serialization = NULL; @@ -681,6 +682,7 @@ static int parse_config_file(void) { { "Manager", "RuntimeWatchdogSec", config_parse_usec, 0, &arg_runtime_watchdog }, { "Manager", "ShutdownWatchdogSec", config_parse_usec, 0, &arg_shutdown_watchdog }, { "Manager", "CapabilityBoundingSet", config_parse_bounding_set, 0, &arg_capability_bounding_set_drop }, + { "Manager", "TimerSlackNSec", config_parse_nsec, 0, &arg_timer_slack_nsec }, { "Manager", "DefaultLimitCPU", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_CPU]}, { "Manager", "DefaultLimitFSIZE", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_FSIZE]}, { "Manager", "DefaultLimitDATA", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_DATA]}, @@ -1487,6 +1489,10 @@ int main(int argc, char *argv[]) { if (arg_running_as == MANAGER_SYSTEM && arg_runtime_watchdog > 0) watchdog_set_timeout(&arg_runtime_watchdog); + if (arg_timer_slack_nsec != (nsec_t) -1) + if (prctl(PR_SET_TIMERSLACK, arg_timer_slack_nsec) < 0) + log_error("Failed to adjust timer slack: %m"); + if (arg_capability_bounding_set_drop) { r = capability_bounding_set_drop(arg_capability_bounding_set_drop, true); if (r < 0) { diff --git a/src/core/system.conf b/src/core/system.conf index 7b9171b803..c6ba95c212 100644 --- a/src/core/system.conf +++ b/src/core/system.conf @@ -25,6 +25,7 @@ #RuntimeWatchdogSec=0 #ShutdownWatchdogSec=10min #CapabilityBoundingSet= +#TimerSlackNSec= #DefaultLimitCPU= #DefaultLimitFSIZE= #DefaultLimitDATA= |