* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
-#define _GNU_SOURCE
#include <assert.h>
#include <errno.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <time.h>
+#include <urcu.h>
#include <lttng/lttng.h>
#include <bin/lttng-sessiond/lttng-ust-abi.h>
#include <common/defaults.h>
#include <bin/lttng-sessiond/trace-ust.h>
+#include <bin/lttng-sessiond/ust-app.h>
+#include <bin/lttng-sessiond/notification-thread.h>
-#include "utils.h"
+#include <tap/tap.h>
/* This path will NEVER be created in this test */
#define PATH1 "/tmp/.test-junk-lttng"
#define RANDOM_STRING_LEN 11
-/* For lttngerr.h */
+/* Number of TAP tests in this file */
+#define NUM_TESTS 16
+
+/* For error.h */
int lttng_opt_quiet = 1;
int lttng_opt_verbose;
+int lttng_opt_mi;
+
+int ust_consumerd32_fd;
+int ust_consumerd64_fd;
+
+/* Global variables required by sessiond objects being linked-in */
+struct lttng_ht *agent_apps_ht_by_sock;
+struct notification_thread_handle *notification_thread_handle;
static const char alphanum[] =
"0123456789"
static struct ltt_ust_session *usess;
static struct lttng_domain dom;
+/*
+ * Stub to prevent an undefined reference in this test without having to link
+ * the entire tree because of a cascade of dependencies. This is not used,
+ * it is just there to prevent GCC from complaining.
+ */
+int rotate_add_channel_pending(uint64_t key, enum lttng_domain_type domain,
+ struct ltt_session *session)
+{
+ ERR("Stub called instead of the real function");
+ abort();
+ return -1;
+}
+
/*
* Return random string of 10 characters.
* Not thread-safe.
return random_string;
}
-static void create_one_ust_session(void)
+static void test_create_one_ust_session(void)
{
- printf("Create UST session: ");
-
dom.type = LTTNG_DOMAIN_UST;
- usess = trace_ust_create_session(PATH1, 42);
- assert(usess != NULL);
- PRINT_OK();
+ usess = trace_ust_create_session(42);
+ ok(usess != NULL, "Create UST session");
- printf("Validating UST session: ");
- assert(usess->id == 42);
- assert(usess->start_trace == 0);
- assert(usess->domain_global.channels != NULL);
- assert(usess->domain_pid != NULL);
- assert(usess->domain_exec != NULL);
- assert(usess->uid == 0);
- assert(usess->gid == 0);
- PRINT_OK();
+ if (!usess) {
+ skip(1, "UST session is null");
+ return;
+ }
- trace_ust_destroy_session(usess);
-}
+ ok(usess->id == 42 &&
+ usess->active == 0 &&
+ usess->domain_global.channels != NULL &&
+ usess->uid == 0 &&
+ usess->gid == 0,
+ "Validate UST session");
-static void create_ust_metadata(void)
-{
- struct ltt_ust_metadata *metadata;
-
- assert(usess != NULL);
-
- printf("Create UST metadata: ");
- metadata = trace_ust_create_metadata(PATH1);
- assert(metadata != NULL);
- PRINT_OK();
-
- printf("Validating UST session metadata: ");
- assert(metadata->handle == -1);
- assert(strlen(metadata->pathname));
- assert(metadata->attr.overwrite
- == DEFAULT_CHANNEL_OVERWRITE);
- assert(metadata->attr.subbuf_size
- == default_get_metadata_subbuf_size());
- assert(metadata->attr.num_subbuf
- == DEFAULT_METADATA_SUBBUF_NUM);
- assert(metadata->attr.switch_timer_interval
- == DEFAULT_CHANNEL_SWITCH_TIMER);
- assert(metadata->attr.read_timer_interval
- == DEFAULT_CHANNEL_READ_TIMER);
- assert(metadata->attr.output == LTTNG_UST_MMAP);
- PRINT_OK();
-
- trace_ust_destroy_metadata(metadata);
+ trace_ust_destroy_session(usess);
}
-static void create_ust_channel(void)
+static void test_create_ust_channel(void)
{
struct ltt_ust_channel *uchan;
struct lttng_channel attr;
+ struct lttng_channel_extended extended;
memset(&attr, 0, sizeof(attr));
+ memset(&extended, 0, sizeof(extended));
+ attr.attr.extended.ptr = &extended;
- strncpy(attr.name, "channel0", 8);
+ ok(lttng_strncpy(attr.name, "channel0", sizeof(attr.name)) == 0,
+ "Validate channel name length");
+ uchan = trace_ust_create_channel(&attr, LTTNG_DOMAIN_UST);
+ ok(uchan != NULL, "Create UST channel");
- printf("Creating UST channel: ");
- uchan = trace_ust_create_channel(&attr, PATH1);
- assert(uchan != NULL);
- PRINT_OK();
+ if (!usess) {
+ skip(1, "UST session is null");
+ return;
+ }
- printf("Validating UST channel: ");
- assert(uchan->enabled == 0);
- assert(strcmp(PATH1, uchan->pathname) == 0);
- assert(strncmp(uchan->name, "channel0", 8) == 0);
- assert(uchan->name[LTTNG_UST_SYM_NAME_LEN - 1] == '\0');
- assert(uchan->ctx != NULL);
- assert(uchan->events != NULL);
- assert(uchan->attr.overwrite == attr.attr.overwrite);
- PRINT_OK();
+ ok(uchan->enabled == 0 &&
+ strncmp(uchan->name, "channel0", 8) == 0 &&
+ uchan->name[LTTNG_UST_SYM_NAME_LEN - 1] == '\0' &&
+ uchan->ctx != NULL &&
+ uchan->events != NULL &&
+ uchan->attr.overwrite == attr.attr.overwrite,
+ "Validate UST channel");
trace_ust_destroy_channel(uchan);
}
-static void create_ust_event(void)
+static void test_create_ust_event(void)
{
struct ltt_ust_event *event;
struct lttng_event ev;
+ enum lttng_error_code ret;
memset(&ev, 0, sizeof(ev));
- strncpy(ev.name, get_random_string(), LTTNG_SYMBOL_NAME_LEN);
+ ok(lttng_strncpy(ev.name, get_random_string(),
+ LTTNG_SYMBOL_NAME_LEN) == 0,
+ "Validate string length");
ev.type = LTTNG_EVENT_TRACEPOINT;
ev.loglevel_type = LTTNG_EVENT_LOGLEVEL_ALL;
- printf("Creating UST event: ");
- event = trace_ust_create_event(&ev, NULL);
- assert(event != NULL);
- PRINT_OK();
+ ret = trace_ust_create_event(&ev, NULL, NULL, NULL, false, &event);
+
+ ok(ret == LTTNG_OK, "Create UST event");
+
+ if (!event) {
+ skip(1, "UST event is null");
+ return;
+ }
- printf("Validating UST event: ");
- assert(event->enabled == 0);
- assert(event->attr.instrumentation == LTTNG_UST_TRACEPOINT);
- assert(strcmp(event->attr.name, ev.name) == 0);
- assert(event->attr.name[LTTNG_UST_SYM_NAME_LEN - 1] == '\0');
- PRINT_OK();
+ ok(event->enabled == 0 &&
+ event->attr.instrumentation == LTTNG_UST_TRACEPOINT &&
+ strcmp(event->attr.name, ev.name) == 0 &&
+ event->attr.name[LTTNG_UST_SYM_NAME_LEN - 1] == '\0',
+ "Validate UST event");
trace_ust_destroy_event(event);
}
-static void create_ust_context(void)
+static void test_create_ust_event_exclusion(void)
+{
+ enum lttng_error_code ret;
+ struct ltt_ust_event *event;
+ struct lttng_event ev;
+ char *name;
+ char *random_name;
+ struct lttng_event_exclusion *exclusion = NULL;
+ struct lttng_event_exclusion *exclusion_copy = NULL;
+ const int exclusion_count = 2;
+
+ memset(&ev, 0, sizeof(ev));
+
+ /* make a wildcarded event name */
+ name = get_random_string();
+ name[strlen(name) - 1] = '*';
+ ok(lttng_strncpy(ev.name, name, LTTNG_SYMBOL_NAME_LEN) == 0,
+ "Validate string length");
+
+ ev.type = LTTNG_EVENT_TRACEPOINT;
+ ev.loglevel_type = LTTNG_EVENT_LOGLEVEL_ALL;
+
+ /* set up an exclusion set */
+ exclusion = zmalloc(sizeof(*exclusion) +
+ LTTNG_SYMBOL_NAME_LEN * exclusion_count);
+ ok(exclusion != NULL, "Create UST exclusion");
+ if (!exclusion) {
+ skip(4, "zmalloc failed");
+ goto end;
+ }
+
+ exclusion->count = exclusion_count;
+ random_name = get_random_string();
+ strncpy(LTTNG_EVENT_EXCLUSION_NAME_AT(exclusion, 0), random_name,
+ LTTNG_SYMBOL_NAME_LEN);
+ strncpy(LTTNG_EVENT_EXCLUSION_NAME_AT(exclusion, 1), random_name,
+ LTTNG_SYMBOL_NAME_LEN);
+
+ ret = trace_ust_create_event(&ev, NULL, NULL, exclusion, false, &event);
+ exclusion = NULL;
+
+ ok(ret != LTTNG_OK, "Create UST event with identical exclusion names fails");
+
+ exclusion = zmalloc(sizeof(*exclusion) +
+ LTTNG_SYMBOL_NAME_LEN * exclusion_count);
+ ok(exclusion != NULL, "Create UST exclusion");
+ if (!exclusion) {
+ skip(2, "zmalloc failed");
+ goto end;
+ }
+
+ exclusion_copy = zmalloc(sizeof(*exclusion) +
+ LTTNG_SYMBOL_NAME_LEN * exclusion_count);
+ if (!exclusion_copy) {
+ skip(2, "zmalloc failed");
+ goto end;
+ }
+
+ /*
+ * We are giving ownership of the exclusion struct to the
+ * trace_ust_create_event() function. Make a copy of the exclusion struct
+ * so we can compare it later.
+ */
+
+ exclusion->count = exclusion_count;
+ strncpy(LTTNG_EVENT_EXCLUSION_NAME_AT(exclusion, 0),
+ get_random_string(), LTTNG_SYMBOL_NAME_LEN);
+ strncpy(LTTNG_EVENT_EXCLUSION_NAME_AT(exclusion, 1),
+ get_random_string(), LTTNG_SYMBOL_NAME_LEN);
+
+ exclusion_copy->count = exclusion_count;
+ strncpy(LTTNG_EVENT_EXCLUSION_NAME_AT(exclusion_copy, 0),
+ LTTNG_EVENT_EXCLUSION_NAME_AT(exclusion, 0), LTTNG_SYMBOL_NAME_LEN);
+ strncpy(LTTNG_EVENT_EXCLUSION_NAME_AT(exclusion_copy, 1),
+ LTTNG_EVENT_EXCLUSION_NAME_AT(exclusion, 1), LTTNG_SYMBOL_NAME_LEN);
+
+ ret = trace_ust_create_event(&ev, NULL, NULL, exclusion, false, &event);
+ exclusion = NULL;
+ ok(ret == LTTNG_OK, "Create UST event with different exclusion names");
+
+ if (!event) {
+ skip(1, "UST event with exclusion is null");
+ goto end;
+ }
+
+ ok(event->enabled == 0 &&
+ event->attr.instrumentation == LTTNG_UST_TRACEPOINT &&
+ strcmp(event->attr.name, ev.name) == 0 &&
+ event->exclusion != NULL &&
+ event->exclusion->count == exclusion_count &&
+ !memcmp(event->exclusion->names, exclusion_copy->names,
+ LTTNG_SYMBOL_NAME_LEN * exclusion_count) &&
+ event->attr.name[LTTNG_UST_SYM_NAME_LEN - 1] == '\0',
+ "Validate UST event and exclusion");
+
+ trace_ust_destroy_event(event);
+end:
+ free(exclusion);
+ free(exclusion_copy);
+ return;
+}
+
+
+static void test_create_ust_context(void)
{
struct lttng_event_context ectx;
struct ltt_ust_context *uctx;
ectx.ctx = LTTNG_EVENT_CONTEXT_VTID;
- printf("Creating UST context: ");
uctx = trace_ust_create_context(&ectx);
- assert(uctx != NULL);
- PRINT_OK();
+ ok(uctx != NULL, "Create UST context");
- printf("Validating UST context: ");
- assert((int) uctx->ctx.ctx == LTTNG_UST_CONTEXT_VTID);
- PRINT_OK();
+ ok((int) uctx->ctx.ctx == LTTNG_UST_CONTEXT_VTID,
+ "Validate UST context");
+ free(uctx);
}
int main(int argc, char **argv)
{
- printf("\nTesting UST data structures:\n-----------\n");
+ plan_tests(NUM_TESTS);
+
+ diag("UST data structures unit test");
+
+ rcu_register_thread();
+
+ test_create_one_ust_session();
+ test_create_ust_channel();
+ test_create_ust_event();
+ test_create_ust_context();
+ test_create_ust_event_exclusion();
- create_one_ust_session();
- create_ust_metadata();
- create_ust_channel();
- create_ust_event();
- create_ust_context();
+ rcu_unregister_thread();
- /* Success */
- return 0;
+ return exit_status();
}
projects / lttng-tools.git / blobdiff