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author | Adrian Hunter <adrian.hunter@intel.com> | 2020-07-10 18:10:57 +0300 |
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committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2020-08-06 08:21:31 -0300 |
commit | cb971438b7daa986b599942987e8a4d78443ad58 (patch) | |
tree | a75ffc97f2ea9199eb9e1aaeba164bdc0f2e1c98 /tools/perf/Documentation | |
parent | 1e8f786944418535543f1ddf10024789f1cf2ae4 (diff) | |
download | linux-cb971438b7daa986b599942987e8a4d78443ad58.tar.gz linux-cb971438b7daa986b599942987e8a4d78443ad58.tar.bz2 linux-cb971438b7daa986b599942987e8a4d78443ad58.zip |
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')
-rw-r--r-- | tools/perf/Documentation/itrace.txt | 6 |
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 |