#include <lttng/condition/event-rule.h>
#include <lttng/domain.h>
#include <lttng/endpoint.h>
+#include <lttng/event-rule/kprobe.h>
+#include <lttng/event-rule/syscall.h>
#include <lttng/event-rule/tracepoint.h>
+#include <lttng/event-rule/uprobe.h>
+#include <lttng/kernel-probe.h>
#include <lttng/lttng-error.h>
#include <lttng/lttng.h>
#include <lttng/notification/channel.h>
#include <lttng/notification/notification.h>
#include <lttng/trigger/trigger.h>
+#include <lttng/userspace-probe.h>
#include <tap/tap.h>
const char *trigger_name,
const char *filter,
unsigned int exclusion_count,
- const char **exclusions,
+ const char * const *exclusions,
enum lttng_domain_type domain_type,
struct lttng_condition **condition,
struct lttng_trigger **trigger)
lttng_condition_destroy(ctrl_condition);
}
+static void test_tracepoint_event_rule_notification_exclusion(
+ enum lttng_domain_type domain_type)
+{
+ enum lttng_notification_channel_status nc_status;
+ struct lttng_condition *ctrl_condition = NULL, *condition = NULL;
+ struct lttng_notification_channel *notification_channel = NULL;
+ struct lttng_trigger *ctrl_trigger = NULL, *trigger = NULL;
+ int ctrl_count = 0, count = 0, i;
+ const char * const ctrl_trigger_name = "control_exclusion_trigger";
+ const char * const trigger_name = "exclusion_trigger";
+ const char * const pattern = "tp:tptest*";
+ const char * const exclusions[] = {
+ "tp:tptest2",
+ "tp:tptest3",
+ "tp:tptest4",
+ "tp:tptest5"
+ };
+
+ notification_channel = lttng_notification_channel_create(
+ lttng_session_daemon_notification_endpoint);
+ ok(notification_channel, "Notification channel object creation");
+
+ create_tracepoint_event_rule_trigger(pattern, ctrl_trigger_name, NULL,
+ 0, NULL, domain_type, &ctrl_condition, &ctrl_trigger);
+
+ nc_status = lttng_notification_channel_subscribe(
+ notification_channel, ctrl_condition);
+ ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK,
+ "Subscribe to tracepoint event rule condition");
+
+ create_tracepoint_event_rule_trigger(pattern, trigger_name, NULL, 4,
+ exclusions, domain_type, &condition, &trigger);
+
+ nc_status = lttng_notification_channel_subscribe(
+ notification_channel, condition);
+ ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK,
+ "Subscribe to tracepoint event rule condition");
+
+ /*
+ * We registered 2 notifications triggers, one with an exclusion and
+ * one without (control).
+ * - The trigger with an exclusion will fire once every iteration.
+ * - The trigger without an exclusion will fire 5 times every
+ * iteration.
+ *
+ * We should get 5 times as many notifications from the control
+ * trigger.
+ */
+ resume_application();
+
+ /*
+ * Get 6 notifications. We should get 1 for the regular trigger (with
+ * the exclusion) and 5 from the control trigger. This works whatever
+ * the order we receive the notifications.
+ */
+ for (i = 0; i < 6; i++) {
+ char *name = get_next_notification_trigger_name(
+ notification_channel);
+
+ if (strcmp(ctrl_trigger_name, name) == 0) {
+ ctrl_count++;
+ } else if (strcmp(trigger_name, name) == 0) {
+ count++;
+ }
+
+ free(name);
+ }
+
+ ok(ctrl_count / 5 == count,
+ "Got 5 times as many control notif as of regular notif");
+
+ suspend_application();
+
+ lttng_unregister_trigger(trigger);
+ lttng_unregister_trigger(ctrl_trigger);
+ lttng_notification_channel_destroy(notification_channel);
+ lttng_trigger_destroy(trigger);
+ lttng_trigger_destroy(ctrl_trigger);
+ lttng_condition_destroy(condition);
+ lttng_condition_destroy(ctrl_condition);
+ return;
+}
+
+static void test_kprobe_event_rule_notification(
+ enum lttng_domain_type domain_type)
+{
+ int i, ret;
+ const int notification_count = 3;
+ enum lttng_notification_channel_status nc_status;
+ enum lttng_event_rule_status event_rule_status;
+ enum lttng_trigger_status trigger_status;
+ struct lttng_notification_channel *notification_channel = NULL;
+ struct lttng_condition *condition = NULL;
+ struct lttng_kernel_probe_location *location = NULL;
+ struct lttng_event_rule *event_rule = NULL;
+ struct lttng_action *action = NULL;
+ struct lttng_trigger *trigger = NULL;
+ const char * const trigger_name = "kprobe_trigger";
+ const char * const symbol_name = "lttng_test_filter_event_write";
+
+ action = lttng_action_notify_create();
+ if (!action) {
+ fail("Failed to create notify action");
+ goto end;
+ }
+
+ location = lttng_kernel_probe_location_symbol_create(symbol_name, 0);
+ if (!location) {
+ fail("Failed to create kernel probe location");
+ goto end;
+ }
+
+ notification_channel = lttng_notification_channel_create(
+ lttng_session_daemon_notification_endpoint);
+ ok(notification_channel, "Notification channel object creation");
+
+ event_rule = lttng_event_rule_kprobe_create();
+ ok(event_rule, "kprobe event rule object creation");
+
+ event_rule_status = lttng_event_rule_kprobe_set_location(
+ event_rule, location);
+ ok(event_rule_status == LTTNG_EVENT_RULE_STATUS_OK,
+ "Setting kprobe event rule location: '%s'", symbol_name);
+
+ event_rule_status = lttng_event_rule_kprobe_set_name(
+ event_rule, trigger_name);
+ ok(event_rule_status == LTTNG_EVENT_RULE_STATUS_OK,
+ "Setting kprobe event rule name: '%s'", trigger_name);
+
+ condition = lttng_condition_event_rule_create(event_rule);
+ ok(condition, "Condition event rule object creation");
+
+ /* Register the trigger for condition. */
+ trigger = lttng_trigger_create(condition, action);
+ if (!trigger) {
+ fail("Failed to create trigger with kernel probe event rule condition and notify action");
+ goto end;
+ }
+
+ trigger_status = lttng_trigger_set_name(trigger, trigger_name);
+ ok(trigger_status == LTTNG_TRIGGER_STATUS_OK,
+ "Setting trigger name to '%s'", trigger_name);
+
+ ret = lttng_register_trigger(trigger);
+ if (ret) {
+ fail("Failed to register trigger with kernel probe event rule condition and notify action");
+ goto end;
+ }
+
+ nc_status = lttng_notification_channel_subscribe(
+ notification_channel, condition);
+ ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK,
+ "Subscribe to tracepoint event rule condition");
+
+ resume_application();
+
+ for (i = 0; i < notification_count; i++) {
+ char *name = get_next_notification_trigger_name(
+ notification_channel);
+
+ ok(strcmp(trigger_name, name) == 0,
+ "Received notification for the expected trigger name: '%s' (%d/%d)",
+ trigger_name, i + 1, notification_count);
+ free(name);
+ }
+
+end:
+ suspend_application();
+ lttng_notification_channel_destroy(notification_channel);
+ lttng_unregister_trigger(trigger);
+ lttng_trigger_destroy(trigger);
+ lttng_action_destroy(action);
+ lttng_event_rule_destroy(event_rule);
+ lttng_condition_destroy(condition);
+ lttng_kernel_probe_location_destroy(location);
+ return;
+}
+
+static void test_uprobe_event_rule_notification(
+ enum lttng_domain_type domain_type,
+ const char *testapp_path,
+ const char *test_symbol_name)
+{
+ int i, ret;
+ const int notification_count = 3;
+ enum lttng_notification_channel_status nc_status;
+ enum lttng_event_rule_status event_rule_status;
+ enum lttng_trigger_status trigger_status;
+ struct lttng_notification_channel *notification_channel = NULL;
+ struct lttng_userspace_probe_location *probe_location = NULL;
+ struct lttng_userspace_probe_location_lookup_method *lookup_method =
+ NULL;
+ struct lttng_condition *condition = NULL;
+ struct lttng_event_rule *event_rule = NULL;
+ struct lttng_action *action = NULL;
+ struct lttng_trigger *trigger = NULL;
+ const char * const trigger_name = "uprobe_trigger";
+
+ action = lttng_action_notify_create();
+ if (!action) {
+ fail("Failed to create notify action");
+ goto end;
+ }
+
+ lookup_method = lttng_userspace_probe_location_lookup_method_function_elf_create();
+ if (!lookup_method) {
+ fail("Setup error on userspace probe lookup method creation");
+ goto end;
+ }
+
+ probe_location = lttng_userspace_probe_location_function_create(
+ testapp_path, test_symbol_name, lookup_method);
+ if (!probe_location) {
+ fail("Failed to create userspace probe location");
+ goto end;
+ }
+
+ notification_channel = lttng_notification_channel_create(
+ lttng_session_daemon_notification_endpoint);
+ ok(notification_channel, "Notification channel object creation");
+
+ event_rule = lttng_event_rule_uprobe_create();
+ ok(event_rule, "kprobe event rule object creation");
+
+ event_rule_status = lttng_event_rule_uprobe_set_location(
+ event_rule, probe_location);
+ ok(event_rule_status == LTTNG_EVENT_RULE_STATUS_OK,
+ "Setting uprobe event rule location");
+
+ event_rule_status = lttng_event_rule_uprobe_set_name(
+ event_rule, trigger_name);
+ ok(event_rule_status == LTTNG_EVENT_RULE_STATUS_OK,
+ "Setting uprobe event rule name: '%s'", trigger_name);
+
+ condition = lttng_condition_event_rule_create(event_rule);
+ ok(condition, "Condition event rule object creation");
+
+ /* Register the trigger for condition. */
+ trigger = lttng_trigger_create(condition, action);
+ if (!trigger) {
+ fail("Failed to create trigger with userspace probe event rule condition and notify action");
+ goto end;
+ }
+
+ trigger_status = lttng_trigger_set_name(trigger, trigger_name);
+ ok(trigger_status == LTTNG_TRIGGER_STATUS_OK,
+ "Setting name to trigger '%s'", trigger_name);
+
+ ret = lttng_register_trigger(trigger);
+ if (ret) {
+ fail("Failed to register trigger with userspace probe event rule condition and notify action");
+ goto end;
+ }
+
+ nc_status = lttng_notification_channel_subscribe(
+ notification_channel, condition);
+ ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK,
+ "Subscribe to tracepoint event rule condition");
+
+ resume_application();
+
+ for (i = 0; i < notification_count; i++) {
+ char *name = get_next_notification_trigger_name(
+ notification_channel);
+
+ ok(strcmp(trigger_name, name) == 0,
+ "Received notification for the expected trigger name: '%s' (%d/%d)",
+ trigger_name, i + 1, notification_count);
+ free(name);
+ }
+end:
+ suspend_application();
+
+ lttng_notification_channel_destroy(notification_channel);
+ lttng_unregister_trigger(trigger);
+ lttng_trigger_destroy(trigger);
+ lttng_action_destroy(action);
+ lttng_event_rule_destroy(event_rule);
+ lttng_condition_destroy(condition);
+ return;
+}
+
+static void test_syscall_event_rule_notification(
+ enum lttng_domain_type domain_type)
+{
+ int i, ret;
+ const int notification_count = 3;
+ enum lttng_notification_channel_status nc_status;
+ enum lttng_event_rule_status event_rule_status;
+ enum lttng_trigger_status trigger_status;
+ struct lttng_notification_channel *notification_channel = NULL;
+ struct lttng_condition *condition = NULL;
+ struct lttng_event_rule *event_rule = NULL;
+ struct lttng_action *action = NULL;
+ struct lttng_trigger *trigger = NULL;
+ const char * const trigger_name = "syscall_trigger";
+ const char * const syscall_name = "openat";
+
+ action = lttng_action_notify_create();
+ if (!action) {
+ fail("Failed to create notify action");
+ goto end;
+ }
+
+ notification_channel = lttng_notification_channel_create(
+ lttng_session_daemon_notification_endpoint);
+ ok(notification_channel, "Notification channel object creation");
+
+ event_rule = lttng_event_rule_syscall_create();
+ ok(event_rule, "syscall event rule object creation");
+
+ event_rule_status = lttng_event_rule_syscall_set_pattern(
+ event_rule, syscall_name);
+ ok(event_rule_status == LTTNG_EVENT_RULE_STATUS_OK,
+ "Setting syscall event rule pattern: '%s'", syscall_name);
+
+ condition = lttng_condition_event_rule_create(event_rule);
+ ok(condition, "Condition syscall event rule object creation");
+
+ /* Register the trigger for condition. */
+ trigger = lttng_trigger_create(condition, action);
+ if (!trigger) {
+ fail("Failed to create trigger with syscall event rule condition and notify action");
+ goto end;
+ }
+
+ trigger_status = lttng_trigger_set_name(trigger, trigger_name);
+ ok(trigger_status == LTTNG_TRIGGER_STATUS_OK,
+ "Setting name to trigger '%s'", trigger_name);
+
+ ret = lttng_register_trigger(trigger);
+ if (ret) {
+ fail("Failed to register trigger with syscall event rule condition and notify action");
+ goto end;
+ }
+
+ nc_status = lttng_notification_channel_subscribe(
+ notification_channel, condition);
+ ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK,
+ "Subscribe to tracepoint event rule condition");
+
+ resume_application();
+
+ for (i = 0; i < notification_count; i++) {
+ char *name = get_next_notification_trigger_name(
+ notification_channel);
+
+ ok(strcmp(trigger_name, name) == 0,
+ "Received notification for the expected trigger name: '%s' (%d/%d)",
+ trigger_name, i + 1, notification_count);
+ free(name);
+ }
+end:
+ suspend_application();
+ lttng_notification_channel_destroy(notification_channel);
+ lttng_unregister_trigger(trigger);
+ lttng_trigger_destroy(trigger);
+ lttng_action_destroy(action);
+ lttng_condition_destroy(condition);
+ return;
+}
+
+static void test_syscall_event_rule_notification_filter(
+ enum lttng_domain_type domain_type)
+{
+ int i, ret;
+ const int notification_count = 3;
+ enum lttng_notification_channel_status nc_status;
+ enum lttng_event_rule_status event_rule_status;
+ enum lttng_trigger_status trigger_status;
+ struct lttng_notification_channel *notification_channel = NULL;
+ struct lttng_condition *condition = NULL;
+ struct lttng_event_rule *event_rule = NULL;
+ struct lttng_action *action = NULL;
+ struct lttng_trigger *trigger = NULL;
+ const char * const trigger_name = "syscall_trigger";
+ const char * const syscall_name = "openat";
+ const char * const filter_pattern = "filename == \"/proc/cpuinfo\"";
+
+ action = lttng_action_notify_create();
+ if (!action) {
+ fail("Failed to create notify action");
+ goto end;
+ }
+
+ notification_channel = lttng_notification_channel_create(
+ lttng_session_daemon_notification_endpoint);
+ ok(notification_channel, "Notification channel object creation");
+
+ event_rule = lttng_event_rule_syscall_create();
+ ok(event_rule, "syscall event rule object creation");
+
+ event_rule_status = lttng_event_rule_syscall_set_pattern(
+ event_rule, syscall_name);
+ ok(event_rule_status == LTTNG_EVENT_RULE_STATUS_OK,
+ "Setting syscall event rule pattern: '%s'", syscall_name);
+
+ event_rule_status = lttng_event_rule_syscall_set_filter(
+ event_rule, filter_pattern);
+ ok(event_rule_status == LTTNG_EVENT_RULE_STATUS_OK,
+ "Setting filter: '%s'", filter_pattern);
+
+ condition = lttng_condition_event_rule_create(event_rule);
+ ok(condition, "Condition event rule object creation");
+
+ /* Register the triggers for condition */
+ trigger = lttng_trigger_create(condition, action);
+ if (!trigger) {
+ fail("Failed to create trigger with syscall filtering event rule condition and notify action");
+ goto end;
+ }
+
+ trigger_status = lttng_trigger_set_name(trigger, trigger_name);
+ ok(trigger_status == LTTNG_TRIGGER_STATUS_OK,
+ "Setting name to trigger '%s'", trigger_name);
+
+ ret = lttng_register_trigger(trigger);
+ if (ret) {
+ fail("Failed to register trigger with syscall filtering event rule condition and notify action");
+ goto end;
+ }
+
+ nc_status = lttng_notification_channel_subscribe(
+ notification_channel, condition);
+ ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK,
+ "Subscribe to tracepoint event rule condition");
+
+ resume_application();
+
+ for (i = 0; i < 3; i++) {
+ char *name = get_next_notification_trigger_name(
+ notification_channel);
+
+ ok(strcmp(trigger_name, name) == 0,
+ "Received notification for the expected trigger name: '%s' (%d/%d)",
+ trigger_name, i + 1, notification_count);
+ free(name);
+ }
+
+end:
+ suspend_application();
+
+ lttng_unregister_trigger(trigger);
+ lttng_notification_channel_destroy(notification_channel);
+ lttng_trigger_destroy(trigger);
+ lttng_event_rule_destroy(event_rule);
+ lttng_condition_destroy(condition);
+ return;
+}
+
int main(int argc, const char *argv[])
{
int test_scenario;
- const char *session_name = NULL;
- const char *channel_name = NULL;
const char *domain_type_string = NULL;
enum lttng_domain_type domain_type = LTTNG_DOMAIN_NONE;
}
case 2:
{
+ const char *session_name, *channel_name;
/* Test cases that need a tracing session enabled. */
plan_tests(99);
domain_type, argv);
break;
}
+ case 3:
+ {
+ /*
+ * Test cases that need a test app with more than one event
+ * type.
+ */
+ plan_tests(19);
+
+ /*
+ * At the moment, the only test case of this scenario is
+ * exclusion which is only supported by UST.
+ */
+ assert(domain_type == LTTNG_DOMAIN_UST);
+ diag("Test tracepoint event rule notifications with exclusion for domain %s",
+ domain_type_string);
+ test_tracepoint_event_rule_notification_exclusion(domain_type);
+
+ break;
+ }
+ case 4:
+ {
+ plan_tests(10);
+
+ /* Test cases that need the kernel tracer. */
+ assert(domain_type == LTTNG_DOMAIN_KERNEL);
+
+ diag("Test kprobe event rule notifications for domain %s",
+ domain_type_string);
+
+ test_kprobe_event_rule_notification(domain_type);
+
+ break;
+ }
+ case 5:
+ {
+ plan_tests(19);
+ /* Test cases that need the kernel tracer. */
+ assert(domain_type == LTTNG_DOMAIN_KERNEL);
+
+ diag("Test syscall event rule notifications for domain %s",
+ domain_type_string);
+
+ test_syscall_event_rule_notification(domain_type);
+
+ diag("Test syscall filtering event rule notifications for domain %s",
+ domain_type_string);
+
+ test_syscall_event_rule_notification_filter(domain_type);
+
+ break;
+ }
+ case 6:
+ {
+ const char *testapp_path, *test_symbol_name;
+
+ plan_tests(10);
+
+ if (argc < 7) {
+ fail("Missing parameter for tests to run %d", argc);
+ goto error;
+ }
+
+ testapp_path = argv[5];
+ test_symbol_name = argv[6];
+ /* Test cases that need the kernel tracer. */
+ assert(domain_type == LTTNG_DOMAIN_KERNEL);
+
+ diag("Test userspace-probe event rule notifications for domain %s",
+ domain_type_string);
+
+ test_uprobe_event_rule_notification(
+ domain_type, testapp_path, test_symbol_name);
+
+ break;
+ }
default:
abort();
}
projects / lttng-tools.git / blobdiff