Lines Matching refs:tracing
10 goal of timerlat is tracing in such a way to help kernel developers.
16 tracing system (generally mounted at /sys/kernel/tracing).
20 [root@f32 ~]# cd /sys/kernel/tracing/
21 [root@f32 tracing]# echo timerlat > current_tracer
25 [root@f32 tracing]# cat trace
71 - stop_tracing_us: stop the system tracing if a
74 - stop_tracing_total_us: stop the system tracing if a
87 [root@f32 ~]# cd /sys/kernel/tracing/
88 [root@f32 tracing]# echo timerlat > current_tracer
89 [root@f32 tracing]# echo 1 > events/osnoise/enable
90 [root@f32 tracing]# echo 25 > osnoise/stop_tracing_total_us
91 [root@f32 tracing]# tail -10 trace
105 tracing methods to figure out how to debug and optimize the system.
144 [root@f32 tracing]# echo 500 > osnoise/stop_tracing_total_us
145 [root@f32 tracing]# echo 500 > osnoise/print_stack
146 [root@f32 tracing]# echo timerlat > current_tracer
147 [root@f32 tracing]# tail -21 per_cpu/cpu7/trace
243 "/sys/kernel/tracing/osnoise/per_cpu/cpu%ld/timerlat_fd",