From: "Steven Rostedt (VMware)" <rostedt@xxxxxxxxxxx> Add basic unit test for tracefs_sql()... Signed-off-by: Steven Rostedt (VMware) <rostedt@xxxxxxxxxxx> --- utest/tracefs-utest.c | 43 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) diff --git a/utest/tracefs-utest.c b/utest/tracefs-utest.c index 2a99217b938a..89bb1cce61f7 100644 --- a/utest/tracefs-utest.c +++ b/utest/tracefs-utest.c @@ -44,6 +44,12 @@ #define KRETPROBE_ADDR "do_sys_openat2" #define KRETPROBE_FMT "ret=$retval" +#define SQL_1_EVENT "wakeup_1" +#define SQL_1_SQL "select sched_switch.next_pid as woke_pid, sched_waking.common_pid as waking_pid from sched_waking join sched_switch on sched_switch.next_pid = sched_waking.pid" + +#define SQL_2_EVENT "wakeup_2" +#define SQL_2_SQL "select woke.next_pid as woke_pid, wake.common_pid as waking_pid from sched_waking as wake join sched_switch as woke on woke.next_pid = wake.pid" + static struct tracefs_instance *test_instance; static struct tep_handle *test_tep; struct test_sample { @@ -322,6 +328,41 @@ static void test_ftrace_marker(void) test_instance_ftrace_marker(test_instance); } +static void test_instance_trace_sql(struct tracefs_instance *instance) +{ + struct tracefs_synth *synth; + struct trace_seq seq; + struct tep_handle *tep; + int ret; + + tep = tracefs_local_events(NULL); + CU_TEST(tep != NULL); + + trace_seq_init(&seq); + + synth = tracefs_sql(tep, SQL_1_EVENT, SQL_1_SQL, NULL); + CU_TEST(synth != NULL); + ret = tracefs_synth_show(&seq, instance, synth); + CU_TEST(ret == 0); + tracefs_synth_free(synth); + trace_seq_reset(&seq); + + synth = tracefs_sql(tep, SQL_2_EVENT, SQL_2_SQL, NULL); + CU_TEST(synth != NULL); + ret = tracefs_synth_show(&seq, instance, synth); + CU_TEST(ret == 0); + tracefs_synth_free(synth); + trace_seq_reset(&seq); + + tep_free(tep); + trace_seq_destroy(&seq); +} + +static void test_trace_sql(void) +{ + test_instance_trace_sql(test_instance); +} + static void test_trace_file(void) { const char *tmp = get_rand_str(); @@ -1338,6 +1379,8 @@ void test_tracefs_lib(void) fprintf(stderr, "Suite \"%s\" cannot be ceated\n", TRACEFS_SUITE); return; } + CU_add_test(suite, "trace sql", + test_trace_sql); CU_add_test(suite, "tracing file / directory APIs", test_trace_file); CU_add_test(suite, "instance file / directory APIs", -- 2.30.2