From: Steven Rostedt (Google) <rostedt@xxxxxxxxxxx> The trace-cmd extract man pages explicitly states that if the '-B' option is used, it will only extract the given instance and not touch any other buffer instance including the top level, unless '-t' is given (for the top level) or '-a' (for all instances). But currently it is hard coded to extract the top level. Make extract only touch what it is told according to the documentation. Reported-by: Douglas RAILLARD <douglas.raillard@xxxxxxx> Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=217340 Signed-off-by: Steven Rostedt (Google) <rostedt@xxxxxxxxxxx> --- diff --git a/tracecmd/trace-record.c b/tracecmd/trace-record.c index f852aa71..56b7991a 100644 --- a/tracecmd/trace-record.c +++ b/tracecmd/trace-record.c @@ -7278,7 +7278,7 @@ void trace_extract(int argc, char **argv) type = get_trace_cmd_type(ctx.curr_cmd); - update_first_instance(ctx.instance, 1); + update_first_instance(ctx.instance, ctx.topt); check_function_plugin(); if (!ctx.output)
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