Messages in this thread Patch in this message | | | From | Namhyung Kim <> | Subject | [PATCH 19/42] perf tools: Add a test case for thread comm handling | Date | Thu, 29 Jan 2015 17:07:00 +0900 |
| |
The new test case checks various thread comm handling like overridding and time sorting.
Cc: Frederic Weisbecker <fweisbec@gmail.com> Signed-off-by: Namhyung Kim <namhyung@kernel.org> --- tools/perf/Makefile.perf | 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/Makefile.perf b/tools/perf/Makefile.perf index aa6a50447c32..8507891db69d 100644 --- a/tools/perf/Makefile.perf +++ b/tools/perf/Makefile.perf @@ -458,6 +458,7 @@ endif LIB_OBJS += $(OUTPUT)tests/mmap-thread-lookup.o LIB_OBJS += $(OUTPUT)tests/thread-mg-share.o LIB_OBJS += $(OUTPUT)tests/switch-tracking.o +LIB_OBJS += $(OUTPUT)tests/thread-comm.o BUILTIN_OBJS += $(OUTPUT)builtin-annotate.o BUILTIN_OBJS += $(OUTPUT)builtin-bench.o diff --git a/tools/perf/tests/builtin-test.c b/tools/perf/tests/builtin-test.c index 4b7d9ab0f049..1b463d82a71a 100644 --- a/tools/perf/tests/builtin-test.c +++ b/tools/perf/tests/builtin-test.c @@ -167,6 +167,10 @@ static struct test { .func = test__fdarray__add, }, { + .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 00e776a87a9c..43ac17780629 100644 --- a/tools/perf/tests/tests.h +++ b/tools/perf/tests/tests.h @@ -51,6 +51,7 @@ int test__hists_cumulate(void); int test__switch_tracking(void); int test__fdarray__filter(void); int test__fdarray__add(void); +int test__thread_comm(void); #if defined(__x86_64__) || defined(__i386__) || defined(__arm__) #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..44ee85d71581 --- /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_time(t, 20000), "perf-test2")); + TEST_ASSERT_VAL("failed to find timed comm", + !strcmp(thread__comm_str_time(t, 35000), "perf-test3")); + TEST_ASSERT_VAL("failed to find timed comm", + !strcmp(thread__comm_str_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_time(t, 15000), "perf-test1.5")); + + machine__delete_threads(machine); + machines__exit(&machines); + return 0; +} -- 2.2.2
| |