Merge "tombstoned: turn on java trace support + unit tests."
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commit
3aaf17fc16
2 changed files with 77 additions and 7 deletions
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@ -89,7 +89,7 @@ constexpr char kWaitForGdbKey[] = "debug.debuggerd.wait_for_gdb";
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} while (0)
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static void tombstoned_intercept(pid_t target_pid, unique_fd* intercept_fd, unique_fd* output_fd,
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DebuggerdDumpType intercept_type) {
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InterceptStatus* status, DebuggerdDumpType intercept_type) {
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intercept_fd->reset(socket_local_client(kTombstonedInterceptSocketName,
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ANDROID_SOCKET_NAMESPACE_RESERVED, SOCK_SEQPACKET));
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if (intercept_fd->get() == -1) {
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@ -136,7 +136,7 @@ static void tombstoned_intercept(pid_t target_pid, unique_fd* intercept_fd, uniq
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<< ", received " << rc;
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}
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ASSERT_EQ(InterceptStatus::kRegistered, response.status);
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*status = response.status;
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}
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class CrasherTest : public ::testing::Test {
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@ -180,7 +180,9 @@ void CrasherTest::StartIntercept(unique_fd* output_fd, DebuggerdDumpType interce
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FAIL() << "crasher hasn't been started";
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}
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tombstoned_intercept(crasher_pid, &this->intercept_fd, output_fd, intercept_type);
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InterceptStatus status;
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tombstoned_intercept(crasher_pid, &this->intercept_fd, output_fd, &status, intercept_type);
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ASSERT_EQ(InterceptStatus::kRegistered, status);
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}
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void CrasherTest::FinishIntercept(int* result) {
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@ -598,7 +600,9 @@ TEST(tombstoned, no_notify) {
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pid_t pid = 123'456'789 + i;
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unique_fd intercept_fd, output_fd;
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tombstoned_intercept(pid, &intercept_fd, &output_fd, kDebuggerdTombstone);
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InterceptStatus status;
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tombstoned_intercept(pid, &intercept_fd, &output_fd, &status, kDebuggerdTombstone);
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ASSERT_EQ(InterceptStatus::kRegistered, status);
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{
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unique_fd tombstoned_socket, input_fd;
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@ -630,7 +634,9 @@ TEST(tombstoned, stress) {
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pid_t pid = pid_base + dump;
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unique_fd intercept_fd, output_fd;
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tombstoned_intercept(pid, &intercept_fd, &output_fd, kDebuggerdTombstone);
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InterceptStatus status;
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tombstoned_intercept(pid, &intercept_fd, &output_fd, &status, kDebuggerdTombstone);
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ASSERT_EQ(InterceptStatus::kRegistered, status);
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// Pretend to crash, and then immediately close the socket.
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unique_fd sockfd(socket_local_client(kTombstonedCrashSocketName,
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@ -661,7 +667,9 @@ TEST(tombstoned, stress) {
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pid_t pid = pid_base + dump;
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unique_fd intercept_fd, output_fd;
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tombstoned_intercept(pid, &intercept_fd, &output_fd, kDebuggerdTombstone);
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InterceptStatus status;
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tombstoned_intercept(pid, &intercept_fd, &output_fd, &status, kDebuggerdTombstone);
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ASSERT_EQ(InterceptStatus::kRegistered, status);
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{
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unique_fd tombstoned_socket, input_fd;
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@ -685,3 +693,65 @@ TEST(tombstoned, stress) {
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thread.join();
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}
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}
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TEST(tombstoned, java_trace_intercept_smoke) {
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// Using a "real" PID is a little dangerous here - if the test fails
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// or crashes, we might end up getting a bogus / unreliable stack
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// trace.
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const pid_t self = getpid();
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unique_fd intercept_fd, output_fd;
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InterceptStatus status;
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tombstoned_intercept(self, &intercept_fd, &output_fd, &status, kDebuggerdJavaBacktrace);
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ASSERT_EQ(InterceptStatus::kRegistered, status);
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// First connect to tombstoned requesting a native backtrace. This
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// should result in a "regular" FD and not the installed intercept.
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const char native[] = "native";
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unique_fd tombstoned_socket, input_fd;
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ASSERT_TRUE(tombstoned_connect(self, &tombstoned_socket, &input_fd, kDebuggerdNativeBacktrace));
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ASSERT_TRUE(android::base::WriteFully(input_fd.get(), native, sizeof(native)));
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tombstoned_notify_completion(tombstoned_socket.get());
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// Then, connect to tombstoned asking for a java backtrace. This *should*
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// trigger the intercept.
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const char java[] = "java";
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ASSERT_TRUE(tombstoned_connect(self, &tombstoned_socket, &input_fd, kDebuggerdJavaBacktrace));
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ASSERT_TRUE(android::base::WriteFully(input_fd.get(), java, sizeof(java)));
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tombstoned_notify_completion(tombstoned_socket.get());
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char outbuf[sizeof(java)];
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ASSERT_TRUE(android::base::ReadFully(output_fd.get(), outbuf, sizeof(outbuf)));
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ASSERT_STREQ("java", outbuf);
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}
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TEST(tombstoned, multiple_intercepts) {
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const pid_t fake_pid = 1'234'567;
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unique_fd intercept_fd, output_fd;
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InterceptStatus status;
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tombstoned_intercept(fake_pid, &intercept_fd, &output_fd, &status, kDebuggerdJavaBacktrace);
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ASSERT_EQ(InterceptStatus::kRegistered, status);
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unique_fd intercept_fd_2, output_fd_2;
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tombstoned_intercept(fake_pid, &intercept_fd_2, &output_fd_2, &status, kDebuggerdNativeBacktrace);
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ASSERT_EQ(InterceptStatus::kFailedAlreadyRegistered, status);
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}
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TEST(tombstoned, intercept_any) {
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const pid_t fake_pid = 1'234'567;
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unique_fd intercept_fd, output_fd;
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InterceptStatus status;
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tombstoned_intercept(fake_pid, &intercept_fd, &output_fd, &status, kDebuggerdNativeBacktrace);
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ASSERT_EQ(InterceptStatus::kRegistered, status);
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const char any[] = "any";
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unique_fd tombstoned_socket, input_fd;
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ASSERT_TRUE(tombstoned_connect(fake_pid, &tombstoned_socket, &input_fd, kDebuggerdAnyIntercept));
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ASSERT_TRUE(android::base::WriteFully(input_fd.get(), any, sizeof(any)));
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tombstoned_notify_completion(tombstoned_socket.get());
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char outbuf[sizeof(any)];
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ASSERT_TRUE(android::base::ReadFully(output_fd.get(), outbuf, sizeof(outbuf)));
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ASSERT_STREQ("any", outbuf);
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}
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@ -163,7 +163,7 @@ class CrashQueue {
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};
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// Whether java trace dumps are produced via tombstoned.
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static constexpr bool kJavaTraceDumpsEnabled = false;
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static constexpr bool kJavaTraceDumpsEnabled = true;
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/* static */ CrashQueue* const CrashQueue::tombstone =
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new CrashQueue("/data/tombstones", "tombstone_" /* file_name_prefix */, 10 /* max_artifacts */,
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