From 624ff63abfd368fef5fa18ce34e025bc4e37dee5 Mon Sep 17 00:00:00 2001 From: Adrian Hunter Date: Wed, 27 Oct 2021 11:03:34 +0300 Subject: perf intel-pt: Support itrace d+o option to direct debug log to stdout It can be useful to see debug output in between normal output. Add support for AUXTRACE_LOG_FLG_USE_STDOUT to Intel PT. Reviewed-by: Andi Kleen Signed-off-by: Adrian Hunter Cc: Jiri Olsa Link: https://lore.kernel.org/r/20211027080334.365596-7-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/intel-pt-decoder/intel-pt-log.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) (limited to 'tools/perf/util/intel-pt-decoder') diff --git a/tools/perf/util/intel-pt-decoder/intel-pt-log.c b/tools/perf/util/intel-pt-decoder/intel-pt-log.c index 09feb5b07d32..5f5dfc8753f3 100644 --- a/tools/perf/util/intel-pt-decoder/intel-pt-log.c +++ b/tools/perf/util/intel-pt-decoder/intel-pt-log.c @@ -82,10 +82,10 @@ static int intel_pt_log_open(void) if (f) return 0; - if (!log_name[0]) - return -1; - - f = fopen(log_name, "w+"); + if (log_name[0]) + f = fopen(log_name, "w+"); + else + f = stdout; if (!f) { intel_pt_enable_logging = false; return -1; -- cgit v1.2.3