Implement simpleperf record/dumprecord subcommands.

Bug: 19483574

Change-Id: Id879713a75c2d3a6289d8847b95ee0bb4a2cc8a0

1 files changed, 74 insertions, 0 deletions

diff --git a/simpleperf/record_file_test.cpp b/simpleperf/record_file_test.cpp
new file mode 100644
index 00000000..85c0212d
--- /dev/null
+++ b/simpleperf/record_file_test.cpp
@@ -0,0 +1,74 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <gtest/gtest.h>
+
+#include "environment.h"
+#include "event_attr.h"
+#include "event_fd.h"
+#include "event_type.h"
+#include "record.h"
+#include "record_file.h"
+
+using namespace PerfFileFormat;
+
+class RecordFileTest : public ::testing::Test {
+ protected:
+  virtual void SetUp() {
+    filename = "temporary.record_file";
+    const EventType* event_type = EventTypeFactory::FindEventTypeByName("cpu-cycles");
+    event_attr = CreateDefaultPerfEventAttr(*event_type);
+    std::unique_ptr<EventFd> event_fd = EventFd::OpenEventFileForProcess(event_attr, getpid());
+    ASSERT_TRUE(event_fd != nullptr);
+    event_fds.push_back(std::move(event_fd));
+  }
+
+  std::string filename;
+  perf_event_attr event_attr;
+  std::vector<std::unique_ptr<EventFd>> event_fds;
+};
+
+TEST_F(RecordFileTest, smoke) {
+  // Write to a record file.
+  std::unique_ptr<RecordFileWriter> writer =
+      RecordFileWriter::CreateInstance(filename, event_attr, event_fds);
+  ASSERT_TRUE(writer != nullptr);
+
+  // Write Data section.
+  MmapRecord mmap_record;
+  mmap_record.header.type = PERF_RECORD_MMAP;
+  mmap_record.header.size = sizeof(mmap_record);
+  ASSERT_TRUE(writer->WriteData(mmap_record.BinaryFormat()));
+  ASSERT_TRUE(writer->Close());
+
+  // Read from a record file.
+  std::unique_ptr<RecordFileReader> reader = RecordFileReader::CreateInstance(filename);
+  ASSERT_TRUE(reader != nullptr);
+  const FileHeader* file_header = reader->FileHeader();
+  ASSERT_TRUE(file_header != nullptr);
+  std::vector<const FileAttr*> attrs = reader->AttrSection();
+  ASSERT_EQ(1u, attrs.size());
+  ASSERT_EQ(0, memcmp(&attrs[0]->attr, &event_attr, sizeof(perf_event_attr)));
+  std::vector<uint64_t> ids = reader->IdsForAttr(attrs[0]);
+  ASSERT_EQ(1u, ids.size());
+
+  // Read and check data section.
+  std::vector<std::unique_ptr<const Record>> records = reader->DataSection();
+  ASSERT_EQ(1u, records.size());
+  ASSERT_EQ(mmap_record.header.type, records[0]->header.type);
+
+  ASSERT_TRUE(reader->Close());
+}