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| author |   Adrian Hunter <adrian.hunter@intel.com> | 2019-03-01 12:35:36 +0200 |
|---|---|---|
| committer |   Arnaldo Carvalho de Melo <acme@redhat.com> | 2019-03-01 14:48:30 -0300 |
| commit | 076333870c2f5bdd9b6d31e7ca1909cf0c84cbfa (patch) | |
| tree | 22562c2f3c6a1cfe9bfd63c23ab1eca1052fb657 /tools/perf/util/thread-stack.h | |
| parent | perf auxtrace: Improve address filter error message when there is no DSO (diff) | |
| download | linux-dev-076333870c2f5bdd9b6d31e7ca1909cf0c84cbfa.tar.xz linux-dev-076333870c2f5bdd9b6d31e7ca1909cf0c84cbfa.zip | |
perf intel-pt: Fix divide by zero when TSC is not available
When TSC is not available, "timeless" decoding is used but a divide by
zero occurs if perf_time_to_tsc() is called.
Ensure the divisor is not zero.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: stable@vger.kernel.org # v4.9+
Link: https://lkml.kernel.org/n/tip-1i4j0wqoc8vlbkcizqqxpsf4@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to '')
0 files changed, 0 insertions, 0 deletions