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https://gitlab.freedesktop.org/pipewire/pipewire
synced 2024-09-15 22:20:09 +00:00
rtkit: set nice-level to -11 by defaukt
To mimic pulseaudio.
This commit is contained in:
parent
62065ac263
commit
bad9a36a84
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@ -44,11 +44,13 @@
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#include <pipewire/impl.h>
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#define DEFAULT_NICE_LEVEL -11
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#define DEFAULT_RT_PRIO 20
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#define DEFAULT_RT_TIME_SOFT 200000
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#define DEFAULT_RT_TIME_HARD 200000
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#define MODULE_USAGE "[rt.prio=<priority: default "SPA_STRINGIFY(DEFAULT_RT_PRIO) ">] " \
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#define MODULE_USAGE "[nice.level=<priority: default "SPA_STRINGIFY(DEFAULT_NICE_LEVEL) ">] " \
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"[rt.prio=<priority: default "SPA_STRINGIFY(DEFAULT_RT_PRIO) ">] " \
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"[rt.time.soft=<in usec: default "SPA_STRINGIFY(DEFAULT_RT_TIME_SOFT)"] " \
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"[rt.time.hard=<in usec: default "SPA_STRINGIFY(DEFAULT_RT_TIME_HARD)"] "
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@ -59,6 +61,8 @@ static const struct spa_dict_item module_props[] = {
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{ PW_KEY_MODULE_VERSION, PACKAGE_VERSION },
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};
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struct pw_rtkit_bus;
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struct impl {
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struct pw_context *context;
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@ -67,6 +71,9 @@ struct impl {
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struct spa_source source;
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struct pw_properties *props;
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struct pw_rtkit_bus *system_bus;
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int nice_level;
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int rt_prio;
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rlim_t rt_time_soft;
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rlim_t rt_time_hard;
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@ -441,6 +448,8 @@ static void module_destroy(void *data)
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impl->source.fd = -1;
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}
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pw_properties_free(impl->props);
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if (impl->system_bus)
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pw_rtkit_bus_free(impl->system_bus);
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free(impl);
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}
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@ -453,7 +462,6 @@ static void idle_func(struct spa_source *source)
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{
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struct impl *impl = source->data;
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struct sched_param sp;
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struct pw_rtkit_bus *system_bus;
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struct rlimit rl;
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int r, rtprio;
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long long rttime;
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@ -461,13 +469,7 @@ static void idle_func(struct spa_source *source)
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spa_system_eventfd_read(impl->system, impl->source.fd, &count);
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system_bus = pw_rtkit_bus_get_system();
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if (system_bus == NULL) {
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pw_log_warn("could not get system bus: %s", strerror(errno));
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return;
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}
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rtprio = pw_rtkit_get_max_realtime_priority(system_bus);
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rtprio = pw_rtkit_get_max_realtime_priority(impl->system_bus);
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if (rtprio >= 0)
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rtprio = SPA_MIN(rtprio, impl->rt_prio);
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else
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@ -486,7 +488,7 @@ static void idle_func(struct spa_source *source)
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rl.rlim_cur = impl->rt_time_soft;
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rl.rlim_max = impl->rt_time_hard;
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rttime = pw_rtkit_get_rttime_usec_max(system_bus);
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rttime = pw_rtkit_get_rttime_usec_max(impl->system_bus);
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if (rttime >= 0) {
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rl.rlim_cur = SPA_MIN(rl.rlim_cur, (rlim_t)rttime);
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rl.rlim_max = SPA_MIN(rl.rlim_max, (rlim_t)rttime);
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@ -498,13 +500,26 @@ static void idle_func(struct spa_source *source)
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if ((r = setrlimit(RLIMIT_RTTIME, &rl)) < 0)
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pw_log_debug("setrlimit() failed: %s", strerror(errno));
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if ((r = pw_rtkit_make_realtime(system_bus, 0, rtprio)) < 0) {
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if ((r = pw_rtkit_make_realtime(impl->system_bus, 0, rtprio)) < 0) {
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pw_log_warn("could not make thread realtime: %s", spa_strerror(r));
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} else {
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pw_log_info("processing thread made realtime");
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}
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exit:
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pw_rtkit_bus_free(system_bus);
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pw_rtkit_bus_free(impl->system_bus);
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impl->system_bus = NULL;
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}
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static int set_nice(struct impl *impl, int nice_level)
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{
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int res;
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if ((res = pw_rtkit_make_high_priority(impl->system_bus, 0, nice_level)) < 0) {
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pw_log_warn("could not set nice-level to %d: %s",
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nice_level, spa_strerror(res));
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} else {
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pw_log_info("main thread nice level set to %d", nice_level);
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}
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return 0;
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}
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static int get_default_int(struct pw_properties *properties, const char *name, int def)
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@ -556,6 +571,16 @@ int pipewire__module_init(struct pw_impl_module *module, const char *args)
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goto error;
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}
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impl->system_bus = pw_rtkit_bus_get_system();
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if (impl->system_bus == NULL) {
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res = -errno;
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pw_log_warn("could not get system bus: %m");
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goto error;
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}
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impl->nice_level = get_default_int(impl->props, "nice.level", DEFAULT_NICE_LEVEL);
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set_nice(impl, impl->nice_level);
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impl->rt_prio = get_default_int(impl->props, "rt.prio", DEFAULT_RT_PRIO);
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impl->rt_time_soft = get_default_int(impl->props, "rt.time.soft", DEFAULT_RT_TIME_SOFT);
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impl->rt_time_hard = get_default_int(impl->props, "rt.time.hard", DEFAULT_RT_TIME_HARD);
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@ -583,6 +608,8 @@ int pipewire__module_init(struct pw_impl_module *module, const char *args)
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error:
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if (impl->props)
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pw_properties_free(impl->props);
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if (impl->system_bus)
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pw_rtkit_bus_free(impl->system_bus);
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free(impl);
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return res;
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}
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