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Searched refs:watchdog_thresh (Results 1 – 13 of 13) sorted by relevance

/Linux-v5.4/kernel/
Dwatchdog.c44 int __read_mostly watchdog_thresh = 10; variable
204 get_option(&str, &watchdog_thresh); in watchdog_thresh_setup()
231 return watchdog_thresh * 2; in get_softlockup_thresh()
315 if ((watchdog_enabled & SOFT_WATCHDOG_ENABLED) && watchdog_thresh){ in is_softlockup()
577 if (watchdog_enabled && watchdog_thresh) in lockup_detector_reconfigure()
605 !(watchdog_enabled && watchdog_thresh)) in lockup_detector_setup()
746 old = READ_ONCE(watchdog_thresh); in proc_watchdog_thresh()
749 if (!err && write && old != READ_ONCE(watchdog_thresh)) in proc_watchdog_thresh()
Dwatchdog_hld.c173 wd_attr->sample_period = hw_nmi_get_sample_period(watchdog_thresh); in hardlockup_detector_event_create()
Dsysctl.c931 .data = &watchdog_thresh,
Dworkqueue.c5799 module_param_cb(watchdog_thresh, &wq_watchdog_thresh_ops, &wq_watchdog_thresh,
/Linux-v5.4/arch/x86/kernel/apic/
Dhw_nmi.c24 u64 hw_nmi_get_sample_period(int watchdog_thresh) in hw_nmi_get_sample_period() argument
26 return (u64)(cpu_khz) * 1000 * watchdog_thresh; in hw_nmi_get_sample_period()
/Linux-v5.4/include/linux/
Dnmi.h23 extern int watchdog_thresh;
194 u64 hw_nmi_get_sample_period(int watchdog_thresh);
/Linux-v5.4/Documentation/admin-guide/
Dlockup-watchdogs.rst42 task. An NMI perf event is generated every "watchdog_thresh"
52 for 2*watchdog_thresh seconds (the softlockup threshold) the
58 The period of the hrtimer is 2*watchdog_thresh/5, which means it has
Dkernel-per-CPU-kthreads.rst352 4. Echo a large number of /proc/sys/kernel/watchdog_thresh in
Dkernel-parameters.txt5316 watchdog_thresh=
5324 workqueue.watchdog_thresh=
/Linux-v5.4/arch/powerpc/kernel/
Dwatchdog.c389 wd_panic_timeout_tb = watchdog_thresh * ppc_tb_freq; in watchdog_calc_timeouts()
395 wd_timer_period_ms = watchdog_thresh * 1000 * 2 / 5; in watchdog_calc_timeouts()
Dsetup_64.c811 u64 hw_nmi_get_sample_period(int watchdog_thresh) in hw_nmi_get_sample_period() argument
813 return ppc_proc_freq * watchdog_thresh; in hw_nmi_get_sample_period()
/Linux-v5.4/Documentation/admin-guide/sysctl/
Dkernel.rst107 - watchdog_thresh
1169 watchdog_thresh:
1176 The softlockup threshold is (2 * watchdog_thresh). Setting this
/Linux-v5.4/lib/
DKconfig.debug841 mode for more than 20 seconds (configurable using the watchdog_thresh
897 using the watchdog_thresh sysctl).
971 "workqueue.watchdog_thresh" and its sysfs counterpart.