upload android base code part6

2018-08-08 17:48:24 +08:00 · 2018-08-08 17:48:24 +08:00 · 4e516ec6ed
commit 4e516ec6ed
parent 421e214c7d
35396 changed files with 9188716 additions and 0 deletions
--- a/android/system/extras/simpleperf/cmd_kmem_test.cpp
+++ b/android/system/extras/simpleperf/cmd_kmem_test.cpp
@ -0,0 +1,147 @@
+/*
+ * Copyright (C) 2016 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 <android-base/file.h>
+#include <android-base/strings.h>
+#include <android-base/test_utils.h>
+
+#include <memory>
+
+#include "command.h"
+#include "get_test_data.h"
+#include "record.h"
+#include "record_file.h"
+#include "test_util.h"
+
+static std::unique_ptr<Command> KmemCmd() {
+  return CreateCommandInstance("kmem");
+}
+
+struct ReportResult {
+  bool success;
+  std::string content;
+  std::vector<std::string> lines;
+};
+
+static void KmemReportRawFile(const std::string& perf_data,
+                              const std::vector<std::string>& additional_args,
+                              ReportResult* result) {
+  result->success = false;
+  TemporaryFile tmp_file;
+  std::vector<std::string> args = {"report", "-i", perf_data, "-o",
+                                   tmp_file.path};
+  args.insert(args.end(), additional_args.begin(), additional_args.end());
+  ASSERT_TRUE(KmemCmd()->Run(args));
+  ASSERT_TRUE(android::base::ReadFileToString(tmp_file.path, &result->content));
+  ASSERT_TRUE(!result->content.empty());
+  std::vector<std::string> raw_lines =
+      android::base::Split(result->content, "\n");
+  result->lines.clear();
+  for (const auto& line : raw_lines) {
+    std::string s = android::base::Trim(line);
+    if (!s.empty()) {
+      result->lines.push_back(s);
+    }
+  }
+  ASSERT_GE(result->lines.size(), 2u);
+  result->success = true;
+}
+
+static void KmemReportFile(const std::string& perf_data,
+                           const std::vector<std::string>& additional_args,
+                           ReportResult* result) {
+  KmemReportRawFile(GetTestData(perf_data), additional_args, result);
+}
+
+#if defined(__linux__)
+#include "environment.h"
+
+static bool RunKmemRecordCmd(std::vector<std::string> v,
+                             const char* output_file = nullptr) {
+  std::unique_ptr<TemporaryFile> tmpfile;
+  std::string out_file;
+  if (output_file != nullptr) {
+    out_file = output_file;
+  } else {
+    tmpfile.reset(new TemporaryFile);
+    out_file = tmpfile->path;
+  }
+  v.insert(v.begin(), "record");
+  v.insert(v.end(), {"-o", out_file, "sleep", SLEEP_SEC});
+  return KmemCmd()->Run(v);
+}
+
+TEST(kmem_cmd, record_slab) {
+  TEST_IN_ROOT(ASSERT_TRUE(RunKmemRecordCmd({"--slab"})));
+}
+
+TEST(kmem_cmd, record_fp_callchain_sampling) {
+  TEST_IN_ROOT(ASSERT_TRUE(RunKmemRecordCmd({"--slab", "-g"})));
+  TEST_IN_ROOT(ASSERT_TRUE(RunKmemRecordCmd({"--slab", "--call-graph", "fp"})));
+}
+
+TEST(kmem_cmd, record_and_report) {
+  TemporaryFile tmp_file;
+  TEST_IN_ROOT({
+    ASSERT_TRUE(RunKmemRecordCmd({"--slab"}, tmp_file.path));
+    ReportResult result;
+    KmemReportRawFile(tmp_file.path, {}, &result);
+    ASSERT_TRUE(result.success);
+  });
+}
+
+TEST(kmem_cmd, record_and_report_callgraph) {
+  TemporaryFile tmp_file;
+  TEST_IN_ROOT({
+    ASSERT_TRUE(RunKmemRecordCmd({"--slab", "-g"}, tmp_file.path));
+    ReportResult result;
+    KmemReportRawFile(tmp_file.path, {"-g"}, &result);
+    ASSERT_TRUE(result.success);
+  });
+}
+
+#endif
+
+TEST(kmem_cmd, report) {
+  ReportResult result;
+  KmemReportFile(PERF_DATA_WITH_KMEM_SLAB_CALLGRAPH_RECORD, {}, &result);
+  ASSERT_TRUE(result.success);
+  ASSERT_NE(result.content.find("kmem:kmalloc"), std::string::npos);
+  ASSERT_NE(result.content.find("__alloc_skb"), std::string::npos);
+}
+
+TEST(kmem_cmd, report_all_sort_options) {
+  ReportResult result;
+  KmemReportFile(
+      PERF_DATA_WITH_KMEM_SLAB_CALLGRAPH_RECORD,
+      {"--slab-sort",
+       "hit,caller,ptr,bytes_req,bytes_alloc,fragment,gfp_flags,pingpong"},
+      &result);
+  ASSERT_TRUE(result.success);
+  ASSERT_NE(result.content.find("Ptr"), std::string::npos);
+  ASSERT_NE(result.content.find("GfpFlags"), std::string::npos);
+}
+
+TEST(kmem_cmd, report_callgraph) {
+  ReportResult result;
+  KmemReportFile(PERF_DATA_WITH_KMEM_SLAB_CALLGRAPH_RECORD, {"-g"}, &result);
+  ASSERT_TRUE(result.success);
+  ASSERT_NE(result.content.find("kmem:kmalloc"), std::string::npos);
+  ASSERT_NE(result.content.find("__alloc_skb"), std::string::npos);
+  ASSERT_NE(result.content.find("system_call_fastpath"), std::string::npos);
+}