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authorAdrian Hunter <adrian.hunter@intel.com>2021-10-27 11:03:34 +0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2021-10-27 22:21:01 +0300
commit624ff63abfd368fef5fa18ce34e025bc4e37dee5 (patch)
tree2620521bce727af86ec70bf6cc6f9044a624af2c /tools/perf/Documentation
parent4b2b2c6a7d244464b6142cdbfef441de1499e7ff (diff)
downloadlinux-624ff63abfd368fef5fa18ce34e025bc4e37dee5.tar.xz
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 <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>
Diffstat (limited to 'tools/perf/Documentation')
-rw-r--r--tools/perf/Documentation/perf-intel-pt.txt1
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/perf/Documentation/perf-intel-pt.txt b/tools/perf/Documentation/perf-intel-pt.txt
index c792fa7b59d3..cbb920f5d056 100644
--- a/tools/perf/Documentation/perf-intel-pt.txt
+++ b/tools/perf/Documentation/perf-intel-pt.txt
@@ -953,6 +953,7 @@ by flags which affect what debug messages will or will not be logged. Each flag
must be preceded by either '+' or '-'. The flags support by Intel PT are:
-a Suppress logging of perf events
+a Log all perf events
+ +o Output to stdout instead of "intel_pt.log"
By default, logged perf events are filtered by any specified time ranges, but
flag +a overrides that.