diff options
| author | Yabin Cui <yabinc@google.com> | 2020-04-01 14:30:03 -0700 |
|---|---|---|
| committer | Yabin Cui <yabinc@google.com> | 2020-04-01 14:45:17 -0700 |
| commit | 193f238678aae54d2c1f915f5c0e8aeb86acc434 (patch) | |
| tree | 30ef0d6330f3a07e2bfc8076862223c569ceb2fe /simpleperf/record_file_reader.cpp | |
| parent | 4d1a421368e14e976de90ea0c40fb70c08d514a8 (diff) | |
| download | extras-193f238678aae54d2c1f915f5c0e8aeb86acc434.tar.gz | |
simpleperf inject: support branch-list output.
Bug: 151665001
Test: run simpleperf_unit_test.
Change-Id: I0c974ee48c145ce4fc8adf533f445fa614d60216
Diffstat (limited to 'simpleperf/record_file_reader.cpp')
| -rw-r--r-- | simpleperf/record_file_reader.cpp | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/simpleperf/record_file_reader.cpp b/simpleperf/record_file_reader.cpp index b17086a3..d4d59e74 100644 --- a/simpleperf/record_file_reader.cpp +++ b/simpleperf/record_file_reader.cpp @@ -624,3 +624,17 @@ std::vector<std::unique_ptr<Record>> RecordFileReader::DataSection() { }); return records; } + +namespace simpleperf { + +bool IsPerfDataFile(const std::string& filename) { + auto fd = FileHelper::OpenReadOnly(filename); + if (fd.ok()) { + PerfFileFormat::FileHeader header; + return android::base::ReadFully(fd, &header, sizeof(header)) && + memcmp(header.magic, PERF_MAGIC, sizeof(header.magic)) == 0; + } + return false; +} + +} // namespace simpleperf |