Hi, On Mon, Mar 1, 2021 at 11:05 AM Sai Prakash Ranjan <saiprakash.ranjan@xxxxxxxxxxxxxx> wrote: > > Add a warning message to check CONFIG_EXCLUDE_KERNEL_HW_ITRACE kernel > config which excludes kernel mode instruction tracing to help perf tool > users identify the perf event open failure when they attempt kernel mode > tracing with this config enabled. > > Tested-by: Denis Nikitin <denik@xxxxxxxxxxxx> > Signed-off-by: Sai Prakash Ranjan <saiprakash.ranjan@xxxxxxxxxxxxxx> > --- > tools/perf/util/evsel.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) I'm not really knowledgeable at all about the perf subsystem so my review doesn't hold a lot of weight. However, Sai's patch seems sane to me. Reviewed-by: Douglas Anderson <dianders@xxxxxxxxxxxx>
