From: Steven Rostedt (Google) <rostedt@xxxxxxxxxxx> commit b2380577d4fe1c0ef3fa50417f1e441c016e4cbe upstream. Make filtering consistent with histograms. As "cpu" can be a field of an event, allow for "common_cpu" to keep it from being confused with the "cpu" field of the event. Link: https://lkml.kernel.org/r/20220820134401.513062765@xxxxxxxxxxx Link: https://lore.kernel.org/all/20220820220920.e42fa32b70505b1904f0a0ad@xxxxxxxxxx/ Cc: stable@xxxxxxxxxxxxxxx Cc: Ingo Molnar <mingo@xxxxxxxxxx> Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> Cc: Tzvetomir Stoyanov <tz.stoyanov@xxxxxxxxx> Cc: Tom Zanussi <zanussi@xxxxxxxxxx> Fixes: 1e3bac71c5053 ("tracing/histogram: Rename "cpu" to "common_cpu"") Suggested-by: Masami Hiramatsu (Google) <mhiramat@xxxxxxxxxx> Acked-by: Masami Hiramatsu (Google) <mhiramat@xxxxxxxxxx> Signed-off-by: Steven Rostedt (Google) <rostedt@xxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- kernel/trace/trace_events.c | 1 + 1 file changed, 1 insertion(+) --- a/kernel/trace/trace_events.c +++ b/kernel/trace/trace_events.c @@ -176,6 +176,7 @@ static int trace_define_generic_fields(v __generic_field(int, CPU, FILTER_CPU); __generic_field(int, cpu, FILTER_CPU); + __generic_field(int, common_cpu, FILTER_CPU); __generic_field(char *, COMM, FILTER_COMM); __generic_field(char *, comm, FILTER_COMM);