Lines Matching +full:watchdog +full:- +full:enable

1 // SPDX-License-Identifier: GPL-2.0
9  * Some chunks also taken from the old x86-specific nmi watchdog code, thanks
13 #define pr_fmt(fmt) "NMI watchdog: " fmt
40 	 * watchdog. That means the hrtimer should fire 2-3 times before  in watchdog_update_hrtimer_threshold()
41 	 * the NMI watchdog expires. The NMI watchdog on x86 is based on  in watchdog_update_hrtimer_threshold()
42 	 * unhalted CPU cycles, so if Turbo-Mode is enabled the CPU cycles  in watchdog_update_hrtimer_threshold()
45 	 * frequency. Depending on the Turbo-Mode factor this might be fast  in watchdog_update_hrtimer_threshold()
46 	 * enough to get the NMI period smaller than the hrtimer watchdog  in watchdog_update_hrtimer_threshold()
53 	 * Set this to 4/5 of the actual watchdog threshold period so the  in watchdog_update_hrtimer_threshold()
55 	 * watchdog threshold.  in watchdog_update_hrtimer_threshold()
64 	delta = now - __this_cpu_read(last_timestamp);  in watchdog_check_timestamp()
98 	/* Ensure the watchdog never gets throttled */  in watchdog_overflow_callback()
99 	event->hw.interrupts = 0;  in watchdog_overflow_callback()
115 	 * Ensure CPU-locality by calling this in per-CPU kthread.  in hardlockup_detector_event_create()
120 	wd_attr->sample_period = hw_nmi_get_sample_period(watchdog_thresh);  in hardlockup_detector_event_create()
135  * watchdog_hardlockup_enable - Enable the local event
137  * @cpu: The CPU to enable hard lockup on.
148 		pr_info("Enabled. Permanently consumes one hw-PMU counter.\n");  in watchdog_hardlockup_enable()
154  * watchdog_hardlockup_disable - Disable the local event
156  * @cpu: The CPU to enable hard lockup on.
174  * hardlockup_detector_perf_cleanup - Cleanup disabled events and destroy them
197  * hardlockup_detector_perf_stop - Globally stop watchdog events
216  * hardlockup_detector_perf_restart - Globally restart watchdog events
243  * watchdog_hardlockup_probe - Probe whether NMI event is available at all
250 		return -ENODEV;  in watchdog_hardlockup_probe()
255 		pr_info("Perf NMI watchdog permanently disabled\n");  in watchdog_hardlockup_probe()