On 10/26/22 12:44, Daniel Bristot de Oliveira wrote: > Add the ability to control and trace in-kernel monitors. This is > a generic interface, it will check for existing monitors and enable > standard setup, like enabling reactors. Oops, forgot to add spaces before # > For example: > # rv list > wip wakeup in preemptive per-cpu testing monitor. [OFF] > wwnr wakeup while not running per-task testing model. [OFF] # rv mon wip --help > > help: > > usage: rv mon wwnr [-h] [-q] [-r reactor] [-s] [-v] > -h/--help: print this menu and the reactor list > -r/--reactor 'reactor': enables the 'reactor' > -s/--self: when tracing (-t), also trace rv command > -t/--trace: trace monitor's event > -v/--verbose: print debug messages > > available reactors: nop printk panic # rv mon wip --trace > <TASK>-PID [CPU] TYPE ID STATE x EVENT -> NEXT_STATE FINAL > | | | | | | | | | > rv-3613 [001] event 3613 running x switch_out -> not_running Y > sshd-1248 [005] event 1248 running x switch_out -> not_running Y > <idle>-0 [005] event 71 not_running x wakeup -> not_running Y > <idle>-0 [005] event 71 not_running x switch_in -> running N > kcompactd0-71 [005] event 71 running x switch_out -> not_running Y > <idle>-0 [000] event 860 not_running x wakeup -> not_running Y > <idle>-0 [000] event 860 not_running x switch_in -> running N > systemd-oomd-860 [000] event 860 running x switch_out -> not_running Y > <idle>-0 [000] event 860 not_running x wakeup -> not_running Y > <idle>-0 [000] event 860 not_running x switch_in -> running N > systemd-oomd-860 [000] event 860 running x switch_out -> not_running Y > <idle>-0 [005] event 71 not_running x wakeup -> not_running Y > <idle>-0 [005] event 71 not_running x switch_in -> running N > kcompactd0-71 [005] event 71 running x switch_out -> not_running Y > <idle>-0 [000] event 860 not_running x wakeup -> not_running Y > <idle>-0 [000] event 860 not_running x switch_in -> running N > systemd-oomd-860 [000] event 860 running x switch_out -> not_running Y > <idle>-0 [001] event 3613 not_running x wakeup -> not_running Y > > Cc: Jonathan Corbet <corbet@xxxxxxx> > Cc: Steven Rostedt <rostedt@xxxxxxxxxxx> > Signed-off-by: Daniel Bristot de Oliveira <bristot@xxxxxxxxxx> I will fix this log to in the next version. -- Daniel
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