Messages in this thread Patch in this message | | | From | Namhyung Kim <> | Subject | [RFC/PATCH 12/38] perf tools: Add a test case for thread comm handling | Date | Fri, 2 Oct 2015 14:18:53 +0900 |
| |
The new test case checks various thread comm handling APIs like overridding and time sorting.
Cc: Frederic Weisbecker <fweisbec@gmail.com> Signed-off-by: Namhyung Kim <namhyung@kernel.org> --- tools/perf/tests/Build | 1 + tools/perf/tests/builtin-test.c | 4 ++++ tools/perf/tests/tests.h | 1 + tools/perf/tests/thread-comm.c | 47 +++++++++++++++++++++++++++++++++++++++++ 4 files changed, 53 insertions(+) create mode 100644 tools/perf/tests/thread-comm.c
diff --git a/tools/perf/tests/Build b/tools/perf/tests/Build index c6f198ae65fb..6bf705c4cd89 100644 --- a/tools/perf/tests/Build +++ b/tools/perf/tests/Build @@ -24,6 +24,7 @@ perf-y += bp_signal_overflow.o perf-y += task-exit.o perf-y += sw-clock.o perf-y += mmap-thread-lookup.o +perf-y += thread-comm.o perf-y += thread-mg-share.o perf-y += switch-tracking.o perf-y += keep-tracking.o diff --git a/tools/perf/tests/builtin-test.c b/tools/perf/tests/builtin-test.c index d9bf51dc8cf5..5e6f4e56113c 100644 --- a/tools/perf/tests/builtin-test.c +++ b/tools/perf/tests/builtin-test.c @@ -191,6 +191,10 @@ static struct test { .func = test_session_topology, }, { + .desc = "Test thread comm handling", + .func = test__thread_comm, + }, + { .func = NULL, }, }; diff --git a/tools/perf/tests/tests.h b/tools/perf/tests/tests.h index 0b3549672c16..23552471535a 100644 --- a/tools/perf/tests/tests.h +++ b/tools/perf/tests/tests.h @@ -65,6 +65,7 @@ int test__thread_map(void); int test__llvm(void); int test__insn_x86(void); int test_session_topology(void); +int test__thread_comm(void); #if defined(__x86_64__) || defined(__i386__) || defined(__arm__) || defined(__aarch64__) #ifdef HAVE_DWARF_UNWIND_SUPPORT diff --git a/tools/perf/tests/thread-comm.c b/tools/perf/tests/thread-comm.c new file mode 100644 index 000000000000..d146dedf63b4 --- /dev/null +++ b/tools/perf/tests/thread-comm.c @@ -0,0 +1,47 @@ +#include "tests.h" +#include "machine.h" +#include "thread.h" +#include "debug.h" + +int test__thread_comm(void) +{ + struct machines machines; + struct machine *machine; + struct thread *t; + + /* + * This test is to check whether it can retrieve a correct + * comm for a given time. When multi-file data storage is + * enabled, those task/comm events are processed first so the + * later sample should find a matching comm properly. + */ + machines__init(&machines); + machine = &machines.host; + + t = machine__findnew_thread(machine, 100, 100); + TEST_ASSERT_VAL("wrong init thread comm", + !strcmp(thread__comm_str(t), ":100")); + + thread__set_comm(t, "perf-test1", 10000); + TEST_ASSERT_VAL("failed to override thread comm", + !strcmp(thread__comm_str(t), "perf-test1")); + + thread__set_comm(t, "perf-test2", 20000); + thread__set_comm(t, "perf-test3", 30000); + thread__set_comm(t, "perf-test4", 40000); + + TEST_ASSERT_VAL("failed to find timed comm", + !strcmp(thread__comm_str_by_time(t, 20000), "perf-test2")); + TEST_ASSERT_VAL("failed to find timed comm", + !strcmp(thread__comm_str_by_time(t, 35000), "perf-test3")); + TEST_ASSERT_VAL("failed to find timed comm", + !strcmp(thread__comm_str_by_time(t, 50000), "perf-test4")); + + thread__set_comm(t, "perf-test1.5", 15000); + TEST_ASSERT_VAL("failed to sort timed comm", + !strcmp(thread__comm_str_by_time(t, 15000), "perf-test1.5")); + + machine__delete_threads(machine); + machines__exit(&machines); + return 0; +} -- 2.6.0
| |