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perf intel-pt: Support itrace d+o option to direct debug log to stdout

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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 <ak@linux.intel.com>
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: https://lore.kernel.org/r/20211027080334.365596-7-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Adrian Hunter 2021-10-27 11:03:34 +03:00 • committed by Arnaldo Carvalho de Melo
parent 4b2b2c6a7d
commit 624ff63abf
3 changed files with 8 additions and 6 deletions
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8
tools/perf/util/intel-pt-decoder/intel-pt-log.c
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@ -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;