[PATCH v2 3/7] watchdog/softlockup: Report the overall time of softlockups

2021-03-11 Thread Petr Mladek
The softlockup detector currently shows the time spent since the last report. As a result it is not clear whether a CPU is infinitely hogged by a single task or if it is a repeated event. The situation can be simulated with a simply busy loop: while (true) cpu_relax(); The

[PATCH v2 3/7] watchdog/softlockup: Report the overall time of softlockups

2020-12-10 Thread Petr Mladek
The softlockup detector currently shows the time spent since the last report. As a result it is not clear whether a CPU is infinitely hogged by a single task or if it is a repeated event. The situation can be simulated with a simply busy loop: while (true) cpu_relax(); The