Add instant trace methods
Bug: 207049735
Test: atest TraceDevTest
Change-Id: If2826a9bb1fb99d75ff3c9c03c16c2f5f1ec5d1b
diff --git a/libcutils/trace-dev_test.cpp b/libcutils/trace-dev_test.cpp
index 832b36a..ff6d202 100644
--- a/libcutils/trace-dev_test.cpp
+++ b/libcutils/trace-dev_test.cpp
@@ -195,6 +195,106 @@
ASSERT_STREQ(expected.c_str(), actual.c_str());
}
+TEST_F(TraceDevTest, atrace_instant_body_normal) {
+ atrace_instant_body("fake_name");
+
+ ASSERT_EQ(0, lseek(atrace_marker_fd, 0, SEEK_SET));
+
+ std::string actual;
+ ASSERT_TRUE(android::base::ReadFdToString(atrace_marker_fd, &actual));
+ std::string expected = android::base::StringPrintf("I|%d|fake_name", getpid());
+ ASSERT_STREQ(expected.c_str(), actual.c_str());
+}
+
+TEST_F(TraceDevTest, atrace_instant_body_exact) {
+ std::string expected = android::base::StringPrintf("I|%d|", getpid());
+ std::string name = MakeName(ATRACE_MESSAGE_LENGTH - expected.length() - 1);
+ atrace_instant_body(name.c_str());
+
+ ASSERT_EQ(ATRACE_MESSAGE_LENGTH - 1, lseek(atrace_marker_fd, 0, SEEK_CUR));
+ ASSERT_EQ(0, lseek(atrace_marker_fd, 0, SEEK_SET));
+
+ std::string actual;
+ ASSERT_TRUE(android::base::ReadFdToString(atrace_marker_fd, &actual));
+ expected += name;
+ ASSERT_STREQ(expected.c_str(), actual.c_str());
+
+ // Add a single character and verify we get the exact same value as before.
+ ASSERT_EQ(0, lseek(atrace_marker_fd, 0, SEEK_SET));
+ name += '*';
+ atrace_instant_body(name.c_str());
+ EXPECT_EQ(ATRACE_MESSAGE_LENGTH - 1, lseek(atrace_marker_fd, 0, SEEK_CUR));
+ ASSERT_EQ(0, lseek(atrace_marker_fd, 0, SEEK_SET));
+ ASSERT_TRUE(android::base::ReadFdToString(atrace_marker_fd, &actual));
+ ASSERT_STREQ(expected.c_str(), actual.c_str());
+}
+
+TEST_F(TraceDevTest, atrace_instant_body_truncated) {
+ std::string expected = android::base::StringPrintf("I|%d|", getpid());
+ std::string name = MakeName(2 * ATRACE_MESSAGE_LENGTH);
+ atrace_instant_body(name.c_str());
+
+ ASSERT_EQ(ATRACE_MESSAGE_LENGTH - 1, lseek(atrace_marker_fd, 0, SEEK_CUR));
+ ASSERT_EQ(0, lseek(atrace_marker_fd, 0, SEEK_SET));
+
+ std::string actual;
+ ASSERT_TRUE(android::base::ReadFdToString(atrace_marker_fd, &actual));
+ int expected_len = ATRACE_MESSAGE_LENGTH - expected.length() - 1;
+ expected += android::base::StringPrintf("%.*s", expected_len, name.c_str());
+ ASSERT_STREQ(expected.c_str(), actual.c_str());
+}
+
+TEST_F(TraceDevTest, atrace_instant_for_track_body_normal) {
+ atrace_instant_for_track_body("fake_track", "fake_name");
+
+ ASSERT_EQ(0, lseek(atrace_marker_fd, 0, SEEK_SET));
+
+ std::string actual;
+ ASSERT_TRUE(android::base::ReadFdToString(atrace_marker_fd, &actual));
+ std::string expected = android::base::StringPrintf("N|%d|fake_track|fake_name", getpid());
+ ASSERT_STREQ(expected.c_str(), actual.c_str());
+}
+
+TEST_F(TraceDevTest, atrace_instant_for_track_body_exact) {
+ const int nameSize = 5;
+ std::string expected = android::base::StringPrintf("N|%d|", getpid());
+ std::string trackName = MakeName(ATRACE_MESSAGE_LENGTH - expected.length() - 1 - nameSize);
+ atrace_instant_for_track_body(trackName.c_str(), "name");
+
+ ASSERT_EQ(ATRACE_MESSAGE_LENGTH - 1, lseek(atrace_marker_fd, 0, SEEK_CUR));
+ ASSERT_EQ(0, lseek(atrace_marker_fd, 0, SEEK_SET));
+
+ std::string actual;
+ ASSERT_TRUE(android::base::ReadFdToString(atrace_marker_fd, &actual));
+ expected += trackName + "|name";
+ ASSERT_STREQ(expected.c_str(), actual.c_str());
+
+ // Add a single character and verify we get the exact same value as before.
+ ASSERT_EQ(0, lseek(atrace_marker_fd, 0, SEEK_SET));
+ trackName += '*';
+ atrace_instant_for_track_body(trackName.c_str(), "name");
+ EXPECT_EQ(ATRACE_MESSAGE_LENGTH - 1, lseek(atrace_marker_fd, 0, SEEK_CUR));
+ ASSERT_EQ(0, lseek(atrace_marker_fd, 0, SEEK_SET));
+ ASSERT_TRUE(android::base::ReadFdToString(atrace_marker_fd, &actual));
+ ASSERT_STREQ(expected.c_str(), actual.c_str());
+}
+
+TEST_F(TraceDevTest, atrace_instant_for_track_body_truncated) {
+ const int nameSize = 5;
+ std::string expected = android::base::StringPrintf("N|%d|", getpid());
+ std::string trackName = MakeName(2 * ATRACE_MESSAGE_LENGTH);
+ atrace_instant_for_track_body(trackName.c_str(), "name");
+
+ ASSERT_EQ(ATRACE_MESSAGE_LENGTH - 1, lseek(atrace_marker_fd, 0, SEEK_CUR));
+ ASSERT_EQ(0, lseek(atrace_marker_fd, 0, SEEK_SET));
+
+ std::string actual;
+ ASSERT_TRUE(android::base::ReadFdToString(atrace_marker_fd, &actual));
+ int expected_len = ATRACE_MESSAGE_LENGTH - expected.length() - 1 - nameSize;
+ expected += android::base::StringPrintf("%.*s|name", expected_len, trackName.c_str());
+ ASSERT_STREQ(expected.c_str(), actual.c_str());
+}
+
TEST_F(TraceDevTest, atrace_int_body_normal) {
atrace_int_body("fake_name", 12345);