From: Sameeruddin shaik <sameeruddin.shaik8@gmail.com>
To: rostedt@goodmis.org
Cc: linux-trace-devel@vger.kernel.org, tz.stoyanov@gmail.com,
Sameeruddin shaik <sameeruddin.shaik8@gmail.com>
Subject: [PATCH] libtracefs: Unit test for the tracing filter API
Date: Sat, 3 Apr 2021 07:31:00 +0530 [thread overview]
Message-ID: <1617415260-19795-1-git-send-email-sameeruddin.shaik8@gmail.com> (raw)
tracefs_function_filter();
Signed-off-by: Sameeruddin shaik <sameeruddin.shaik8@gmail.com>
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 <time.h>
#include <dirent.h>
#include <ftw.h>
+#include <errno.h>
#include <CUnit/CUnit.h>
#include <CUnit/Basic.h>
@@ -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
next reply other threads:[~2021-04-02 2:00 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-03 2:01 Sameeruddin shaik [this message]
2021-04-02 14:56 ` [PATCH] libtracefs: Unit test for the tracing filter API Steven Rostedt
2021-04-07 0:44 ` sameeruddin shaik
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