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test(perfmon): test trace output

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This commit is contained in:
Marcus Holland-Moritz 2024-04-28 09:05:19 +02:00
parent b5054c0d42
commit 5fca0b2bc4
1 changed files with 29 additions and 0 deletions
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29
test/tool_main_test.cpp
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@ -548,6 +548,35 @@ TEST(dwarfsextract_test, perfmon) {
R"(\s+p99 latency:\s+\d+(\.\d+)?[num]?s)"};
EXPECT_TRUE(std::regex_search(errs, perfmon_re)) << errs;
}
TEST(dwarfsextract_test, perfmon_trace) {
auto t = dwarfsextract_tester::create_with_image();
ASSERT_EQ(0, t.run({"-i", "image.dwarfs", "-f", "gnutar", "--perfmon",
"filesystem_v2,inode_reader_v2,block_cache",
"--perfmon-trace", "trace.json"}))
<< t.err();
EXPECT_GT(t.out().size(), 1'000'000);
auto trace_file = t.fa->get_file("trace.json");
ASSERT_TRUE(trace_file);
EXPECT_GT(trace_file->size(), 10'000);
auto trace = folly::parseJson(*trace_file);
EXPECT_TRUE(trace.isArray());
std::set<std::string> const expected = {"filesystem_v2", "inode_reader_v2",
"block_cache"};
std::set<std::string> actual;
for (auto const& obj : trace) {
EXPECT_TRUE(obj.isObject());
EXPECT_TRUE(obj["cat"].isString());
actual.insert(obj["cat"].getString());
}
EXPECT_EQ(expected, actual);
}
#endif
class mkdwarfs_input_list_test : public testing::TestWithParam<input_mode> {};