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Signed-off-by: Sameeruddin shaik diff --git a/utest/tracefs-utest.c b/utest/tracefs-utest.c index ed2693b..09e564f 100644 --- a/utest/tracefs-utest.c +++ b/utest/tracefs-utest.c @@ -11,6 +11,7 @@ #include #include #include +#include #include #include @@ -1020,6 +1021,80 @@ static void test_custom_trace_dir(void) free(dname); } +static int test_instance_filter(struct tracefs_instance *instance, + const char **filters, const char *module, + int flags) +{ + int ret; + int i; + + if (filters) { + for (i = 0; filters[i]; i++) { + ret = tracefs_function_filter(instance, filters[i], + module, flags); + if (ret) { + if (errno == EINVAL) + printf("Filter %s did not match\n", + filters[i]); + else + printf("Failed writing %s\n", + filters[i]); + } + } + } else { + ret = tracefs_function_filter(instance, NULL, module, flags); + } + return ret; +} + +static void test_tracefs_function_filter(void) +{ + const char *filter[] = {"run_init_process", "ufs*", "^ext4.*$", NULL}; + const char *future_filter[] = {"write_dummy", "read_dummy", NULL}; + const char *future_module = "dummy"; + struct tracefs_instance *instance; + const char *module = "btrtl"; + int ret; + + instance = tracefs_instance_create(TEST_INSTANCE_NAME); + CU_TEST(instance != NULL); + + ret = tracefs_function_filter(instance, NULL, NULL, + TRACEFS_FL_RESET | TRACEFS_FL_CONTINUE); + if (ret) { + printf("Failed to reset the filter\n"); + if (ret < 0) + tracefs_function_filter(instance, NULL, NULL, 0); + } + /* Test string, kernel glob and regex for specific_instance*/ + ret = test_instance_filter(instance, filter, NULL, TRACEFS_FL_CONTINUE); + CU_ASSERT(ret == 0); + /* Test Module only with no filters*/ + ret = test_instance_filter(instance, NULL, module, TRACEFS_FL_CONTINUE); + CU_ASSERT(ret == 0); + ret = test_instance_filter(instance, future_filter, future_module, + TRACEFS_FL_CONTINUE | TRACEFS_FL_FUTURE); + CU_ASSERT(ret == 0); + tracefs_function_filter(instance, NULL, NULL, 0); + + ret = tracefs_function_filter(NULL, NULL, NULL, + TRACEFS_FL_RESET | TRACEFS_FL_CONTINUE); + if (ret) { + printf("Failed to reset the filter\n"); + if (ret < 0) + tracefs_function_filter(instance, NULL, NULL, 0); + } + /* Test top instance*/ + ret = test_instance_filter(NULL, filter, NULL, TRACEFS_FL_CONTINUE); + CU_ASSERT(ret == 0); + ret = test_instance_filter(NULL, NULL, module, TRACEFS_FL_CONTINUE); + CU_ASSERT(ret == 0); + ret = test_instance_filter(NULL, future_filter, future_module, + TRACEFS_FL_CONTINUE | TRACEFS_FL_FUTURE); + CU_ASSERT(ret == 0); + tracefs_function_filter(NULL, NULL, NULL, 0); +} + static int test_suite_destroy(void) { tracefs_instance_destroy(test_instance); @@ -1075,4 +1150,6 @@ void test_tracefs_lib(void) test_tracing_options); CU_add_test(suite, "custom system directory", test_custom_trace_dir); + CU_add_test(suite, "Set Filter API", + test_tracefs_function_filter); } -- 2.7.4