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authorAdrian Hunter <adrian.hunter@intel.com>2020-07-10 18:10:57 +0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2020-08-06 14:21:31 +0300
commitcb971438b7daa986b599942987e8a4d78443ad58 (patch)
treea75ffc97f2ea9199eb9e1aaeba164bdc0f2e1c98 /tools/perf/Documentation/itrace.txt
parent1e8f786944418535543f1ddf10024789f1cf2ae4 (diff)
downloadlinux-cb971438b7daa986b599942987e8a4d78443ad58.tar.xz
perf auxtrace: Add optional error flags to the itrace 'e' option
Allow the 'e' option to be followed by flags which will affect what errors will or will not be reported. Each flag must be preceded by either '+' or '-'. The flags are: o overflow l trace data lost 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/20200710151104.15137-6-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/Documentation/itrace.txt')
-rw-r--r--tools/perf/Documentation/itrace.txt6
1 files changed, 6 insertions, 0 deletions
diff --git a/tools/perf/Documentation/itrace.txt b/tools/perf/Documentation/itrace.txt
index e817179c5027..114d0544d7c7 100644
--- a/tools/perf/Documentation/itrace.txt
+++ b/tools/perf/Documentation/itrace.txt
@@ -47,3 +47,9 @@
--itrace=i0nss1000000
skips the first million instructions.
+
+ The 'e' option may be followed by flags which affect what errors will or
+ will not be reported. Each flag must be preceded by either '+' or '-'.
+ The flags are:
+ o overflow
+ l trace data lost