Shulou(Shulou.com)06/02 Report--

Sep 29 22:00:31 localhost kernel: perf: interrupt took too long (2508 > 2500), lowering kernel.perf_event_max_sample_rate to 79000 Sep 29 22:05:51 localhost kernel: perf: interrupt took too long (3156 > 3135), lowering kernel.perf_event_max_sample_rate to 63000 Sep 29 22:11:54 localhost kernel: perf: interrupt took too long (3946 > 3945), lowering kernel.perf_event_max_sample_rate to 50000 Sep 29 22:19:02 localhost kernel: perf: interrupt took too long Lowering kernel.perf_event_max_sample_rate to 40000 Sep 29 22:24:15 localhost kernel: perf: interrupt took too long (3665 > 2500), lowering kernel.perf_event_max_sample_rate to 54000 Sep 29 22:24:20 localhost kernel: perf: interrupt took too long (5015 > 4581), lowering kernel.perf_event_max_sample_rate to 39000

[root@localhost kernel] # cat / etc/sysctl.conf | grep per kernel.perf_event_max_sample_rate = 100000 kernel.perf_cpu_time_max_percent = 0

Echo 0 > / proc/sys/kernel/perf_cpu_time_max_percent echo 10000 > / proc/sys/kernel/perf_event_max_sample_rate

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