test_trace_processor.cc | Explore in Territory

// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "base/test/test_trace_processor.h"

#include <string_view>

#include "base/command_line.h"
#include "base/files/file_util.h"
#include "base/test/chrome_track_event.descriptor.h"
#include "base/test/perfetto_sql_stdlib.h"
#include "base/trace_event/trace_log.h"
#include "third_party/perfetto/protos/perfetto/trace/extension_descriptor.pbzero.h"

namespace base::test {


namespace {
// Emitting the chrome_track_event.descriptor into the trace allows the trace
// processor to parse the arguments during ingestion of the trace events.
// This function emits the descriptor generated from
// base/tracing/protos/chrome_track_event.proto so we can use TestTraceProcessor
// to write tests based on new arguments/types added in the same patch.
void EmitChromeTrackEventDescriptor() { … }

std::string kChromeSqlModuleName = …;
// A command-line switch to save the trace test trace processor generated to
// make debugging complex traces.
constexpr char kSaveTraceSwitch[] = …;

// Returns a vector of pairs of strings consisting of
// {include_key, sql_file_contents}. For example, the include key for
// `chrome/scroll_jank/utils.sql` is `chrome.scroll_jank.utils`.
// The output is used to override the Chrome SQL module in the trace processor.
TestTraceProcessorImpl::PerfettoSQLModule GetChromeStdlib() { … }
}  // namespace

TraceConfig DefaultTraceConfig(std::string_view category_filter_string,
                               bool privacy_filtering) { … }

TestTraceProcessor::TestTraceProcessor() { … }

TestTraceProcessor::~TestTraceProcessor() = default;

void TestTraceProcessor::StartTrace(std::string_view category_filter_string,
                                    bool privacy_filtering) { … }

void TestTraceProcessor::StartTrace(const TraceConfig& config,
                                    perfetto::BackendType backend) { … }

absl::Status TestTraceProcessor::StopAndParseTrace() { … }

base::expected<TestTraceProcessor::QueryResult, std::string>
TestTraceProcessor::RunQuery(const std::string& query) { … }


}  // namespace base::test
chromium/base/test/test_trace_processor.cc
