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authorAdrian Hunter <adrian.hunter@intel.com>2020-07-10 18:10:59 +0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2020-08-06 08:22:38 -0300
commit935aac2d2dc42c6ea9f0143a57e8d57d976d5307 (patch)
treea1254fe4e5eb81d55adeb93ef3f7fd1f94e898c4 /tools/perf/Documentation
parent1d846aeb86cc6e9db1cf08822404c95ecb8bd6c1 (diff)
perf auxtrace: Add optional log flags to the itrace 'd' option
Allow the 'd' option to be followed by flags which will affect what debug messages will or will not be reported. Each flag must be preceded by either '+' or '-'. The flags are: a all perf events Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Reviewed-by: Andi Kleen <ak@linux.intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Link: http://lore.kernel.org/lkml/20200710151104.15137-8-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/itrace.txt5
1 files changed, 5 insertions, 0 deletions
diff --git a/tools/perf/Documentation/itrace.txt b/tools/perf/Documentation/itrace.txt
index 114d0544d7c7..9c0e8586ed47 100644
--- a/tools/perf/Documentation/itrace.txt
+++ b/tools/perf/Documentation/itrace.txt
@@ -53,3 +53,8 @@
The flags are:
o overflow
l trace data lost
+
+ If supported, the 'd' option may be followed by flags which affect what
+ debug messages will or will not be logged. Each flag must be preceded
+ by either '+' or '-'. The flags are:
+ a all perf events