| 1 | #include "lldb/DataFormatters/TypeSummary.h" |
|---|---|
| 2 | #include "lldb/Target/Statistics.h" |
| 3 | #include "lldb/Utility/Stream.h" |
| 4 | #include "lldb/lldb-forward.h" |
| 5 | #include "lldb/lldb-private-enumerations.h" |
| 6 | #include "lldb/lldb-private.h" |
| 7 | #include "llvm/Testing/Support/Error.h" |
| 8 | #include "gtest/gtest.h" |
| 9 | #include <thread> |
| 10 | |
| 11 | using namespace lldb_private; |
| 12 | using Duration = std::chrono::duration<double>; |
| 13 | |
| 14 | class DummySummaryImpl : public lldb_private::TypeSummaryImpl { |
| 15 | public: |
| 16 | DummySummaryImpl() |
| 17 | : TypeSummaryImpl(TypeSummaryImpl::Kind::eSummaryString, |
| 18 | TypeSummaryImpl::Flags()) {} |
| 19 | |
| 20 | std::string GetName() override { return "DummySummary"; } |
| 21 | |
| 22 | std::string GetSummaryKindName() override { return "dummy"; } |
| 23 | |
| 24 | std::string GetDescription() override { return ""; } |
| 25 | |
| 26 | bool FormatObject(ValueObject *valobj, std::string &dest, |
| 27 | const TypeSummaryOptions &options) override { |
| 28 | return false; |
| 29 | } |
| 30 | }; |
| 31 | |
| 32 | TEST(MultithreadFormatting, Multithread) { |
| 33 | SummaryStatisticsCache statistics_cache; |
| 34 | DummySummaryImpl summary; |
| 35 | std::vector<std::thread> threads; |
| 36 | for (int i = 0; i < 10; ++i) { |
| 37 | threads.emplace_back(args: std::thread([&statistics_cache, &summary]() { |
| 38 | auto sp = statistics_cache.GetSummaryStatisticsForProvider(provider&: summary); |
| 39 | { |
| 40 | SummaryStatistics::SummaryInvocation invocation(sp); |
| 41 | std::this_thread::sleep_for(rtime: Duration(1)); |
| 42 | } |
| 43 | })); |
| 44 | } |
| 45 | |
| 46 | for (auto &thread : threads) |
| 47 | thread.join(); |
| 48 | |
| 49 | auto sp = statistics_cache.GetSummaryStatisticsForProvider(provider&: summary); |
| 50 | ASSERT_TRUE(sp->GetDurationReference().get().count() > 10); |
| 51 | ASSERT_TRUE(sp->GetSummaryCount() == 10); |
| 52 | |
| 53 | std::string stats_as_json; |
| 54 | llvm::raw_string_ostream ss(stats_as_json); |
| 55 | ss << sp->ToJSON(); |
| 56 | ASSERT_THAT(stats_as_json, ::testing::HasSubstr("\"name\":\"DummySummary\"")); |
| 57 | ASSERT_THAT(stats_as_json, ::testing::HasSubstr("\"type\":\"dummy\"")); |
| 58 | } |
| 59 |