diff options
| author | Yabin Cui <yabinc@google.com> | 2017-05-09 17:31:05 -0700 |
|---|---|---|
| committer | Yabin Cui <yabinc@google.com> | 2017-05-23 16:53:39 -0700 |
| commit | 43301382dadbb57fb48036df44e0d5d2ec370338 (patch) | |
| tree | 1de3194312259ca2823b065de0f07140f61c952f /simpleperf/cmd_stat.cpp | |
| parent | adbce4d3b7eb6f4c7c78084feefc208fc8a768fe (diff) | |
| download | extras-43301382dadbb57fb48036df44e0d5d2ec370338.tar.gz | |
simpleperf: support raw event types.
Provide interface to access event numbers provided by ARMv8 PMU v3.
Make event types case insensitive to make typing easier.
Bug: http://b/38043209
Test: run simpleperf_unit_test.
Change-Id: I49073acbc4d8c9abeafff93e25133664c84a0e9c
Diffstat (limited to 'simpleperf/cmd_stat.cpp')
| -rw-r--r-- | simpleperf/cmd_stat.cpp | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/simpleperf/cmd_stat.cpp b/simpleperf/cmd_stat.cpp index cdd5593a..a0929bcf 100644 --- a/simpleperf/cmd_stat.cpp +++ b/simpleperf/cmd_stat.cpp @@ -238,6 +238,14 @@ class CounterSummaries { sap_mid); } } + if (android::base::EndsWith(s.type_name, "-refill")) { + std::string other_name = s.type_name.substr(0, s.type_name.size() - strlen("-refill")); + const CounterSummary* other = FindSummary(other_name, s.modifier); + if (other != nullptr && other->IsMonitoredAtTheSameTime(s) && other->count != 0) { + double miss_rate = static_cast<double>(s.count) / other->count; + return android::base::StringPrintf("%f%%%cmiss rate", miss_rate * 100, sap_mid); + } + } double rate = s.count / (duration_in_sec / s.scale); if (rate > 1e9) { return android::base::StringPrintf("%.3lf%cG/sec", rate / 1e9, sap_mid); |