On Tue, 23 Jan 2024 14:42:13 +0100 Pierre Gondois <pierre.gondois@xxxxxxx> wrote: > trace-cmd can record events in multiple instances: > $ trace-cmd record -e sched_wakeup -B test_instance -e sched_switch > > When trying to split a trace.dat file recorded with the above command, > only the events located in the main buffer seems to be split. The > events recorded in the test_instance buffer seem to be discarded: > $ trace-cmd split -i trace.dat -o trace_2.dat 284443 284444 > $ trace-cmd report trace_2.dat > cpus=8 > <...>-525991 [004] 284443.173879: sched_wakeup: [...] > <...>-525991 [004] 284443.173879: sched_wakeup: [...] > <...>-525990 [007] 284443.173885: sched_wakeup: [...] > <...>-525990 [007] 284443.173885: sched_wakeup: [...] > (no sign of sched_switch events) > > Keep all instances/buffers of a trace when it is split. > Also add a 'get_handle()' function. > > Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=218357 > Signed-off-by: Pierre Gondois <pierre.gondois@xxxxxxx> I applied up to this patch. Thanks, -- Steve