lttng: list-triggers: retrieve trigger errors using error queries
[lttng-tools.git] / src / bin / lttng / commands / list_triggers.c
index b8fb64a0a8424ea6ce4995e16b5c8dd08428bae3..70ab4c4e540d95c79aae6967207ce20b3f137861 100644 (file)
 #include "common/mi-lttng.h"
 /* For lttng_condition_type_str(). */
 #include "lttng/condition/condition-internal.h"
+#include "lttng/condition/on-event.h"
+#include "lttng/condition/on-event-internal.h"
 /* For lttng_domain_type_str(). */
 #include "lttng/domain-internal.h"
 #include "../loglevel.h"
+#include <lttng/lttng.h>
 
 #ifdef LTTNG_EMBED_HELP
 static const char help_msg[] =
@@ -444,10 +447,97 @@ void print_condition_on_event(const struct lttng_condition *condition)
 }
 
 static
-void print_one_action(const struct lttng_action *action)
+void print_action_errors(const struct lttng_trigger *trigger,
+               const struct lttng_action *action)
+{
+       unsigned int i, count, printed_errors_count = 0;
+       enum lttng_error_code error_query_ret;
+       enum lttng_error_query_results_status results_status;
+       struct lttng_error_query_results *results = NULL;
+       const char *trigger_name;
+       uid_t trigger_uid;
+       enum lttng_trigger_status trigger_status;
+       struct lttng_error_query *query =
+                       lttng_error_query_action_create(trigger, action);
+
+       assert(query);
+
+       trigger_status = lttng_trigger_get_name(trigger, &trigger_name);
+       assert(trigger_status == LTTNG_TRIGGER_STATUS_OK);
+
+       trigger_status = lttng_trigger_get_owner_uid(trigger, &trigger_uid);
+       assert(trigger_status == LTTNG_TRIGGER_STATUS_OK);
+
+       error_query_ret = lttng_error_query_execute(
+                       query, lttng_session_daemon_command_endpoint, &results);
+       if (error_query_ret != LTTNG_OK) {
+               ERR("Failed to query errors of trigger '%s' (owner uid: %d): %s",
+                               trigger_name, (int) trigger_uid,
+                               lttng_strerror(-error_query_ret));
+               goto end;
+       }
+
+       results_status = lttng_error_query_results_get_count(results, &count);
+       assert(results_status == LTTNG_ERROR_QUERY_RESULTS_STATUS_OK);
+
+       _MSG("      errors:");
+
+       for (i = 0; i < count; i++) {
+               const struct lttng_error_query_result *result;
+               enum lttng_error_query_result_status result_status;
+               const char *result_name;
+               const char *result_description;
+               uint64_t result_value;
+
+               results_status = lttng_error_query_results_get_result(
+                               results, &result, i);
+               assert(results_status == LTTNG_ERROR_QUERY_RESULTS_STATUS_OK);
+
+               result_status = lttng_error_query_result_get_name(
+                               result, &result_name);
+               assert(result_status == LTTNG_ERROR_QUERY_RESULT_STATUS_OK);
+               result_status = lttng_error_query_result_get_description(
+                               result, &result_description);
+               assert(result_status == LTTNG_ERROR_QUERY_RESULT_STATUS_OK);
+
+               if (lttng_error_query_result_get_type(result) ==
+                               LTTNG_ERROR_QUERY_RESULT_TYPE_COUNTER) {
+                       result_status = lttng_error_query_result_counter_get_value(
+                                       result, &result_value);
+                       assert(result_status ==
+                                       LTTNG_ERROR_QUERY_RESULT_STATUS_OK);
+                       if (result_value == 0) {
+                               continue;
+                       }
+
+                       MSG("");
+                       _MSG("        %s: %" PRIu64, result_name,
+                                       result_value);
+                       printed_errors_count++;
+               } else {
+                       _MSG("        Unknown error query result type for result '%s' (%s)",
+                                       result_name, result_description);
+                       continue;
+               }
+       }
+
+       if (printed_errors_count == 0) {
+               _MSG(" none");
+       }
+
+end:
+       MSG("");
+       lttng_error_query_destroy(query);
+       lttng_error_query_results_destroy(results);
+}
+
+static
+void print_one_action(const struct lttng_trigger *trigger,
+               const struct lttng_action *action)
 {
        enum lttng_action_type action_type;
        enum lttng_action_status action_status;
+       const struct lttng_rate_policy *policy = NULL;
        const char *value;
 
        action_type = lttng_action_get_type(action);
@@ -455,25 +545,53 @@ void print_one_action(const struct lttng_action *action)
 
        switch (action_type) {
        case LTTNG_ACTION_TYPE_NOTIFY:
-               MSG("notify");
+               _MSG("notify");
+
+               action_status = lttng_action_notify_get_rate_policy(
+                               action, &policy);
+               if (action_status != LTTNG_ACTION_STATUS_OK) {
+                       ERR("Failed to retrieve rate policy.");
+                       goto end;
+               }
                break;
        case LTTNG_ACTION_TYPE_START_SESSION:
                action_status = lttng_action_start_session_get_session_name(
                                action, &value);
                assert(action_status == LTTNG_ACTION_STATUS_OK);
-               MSG("start session `%s`", value);
+               _MSG("start session `%s`", value);
+
+               action_status = lttng_action_start_session_get_rate_policy(
+                               action, &policy);
+               if (action_status != LTTNG_ACTION_STATUS_OK) {
+                       ERR("Failed to retrieve rate policy.");
+                       goto end;
+               }
                break;
        case LTTNG_ACTION_TYPE_STOP_SESSION:
                action_status = lttng_action_stop_session_get_session_name(
                                action, &value);
                assert(action_status == LTTNG_ACTION_STATUS_OK);
-               MSG("stop session `%s`", value);
+               _MSG("stop session `%s`", value);
+
+               action_status = lttng_action_stop_session_get_rate_policy(
+                               action, &policy);
+               if (action_status != LTTNG_ACTION_STATUS_OK) {
+                       ERR("Failed to retrieve rate policy.");
+                       goto end;
+               }
                break;
        case LTTNG_ACTION_TYPE_ROTATE_SESSION:
                action_status = lttng_action_rotate_session_get_session_name(
                                action, &value);
                assert(action_status == LTTNG_ACTION_STATUS_OK);
-               MSG("rotate session `%s`", value);
+               _MSG("rotate session `%s`", value);
+
+               action_status = lttng_action_rotate_session_get_rate_policy(
+                               action, &policy);
+               if (action_status != LTTNG_ACTION_STATUS_OK) {
+                       ERR("Failed to retrieve rate policy.");
+                       goto end;
+               }
                break;
        case LTTNG_ACTION_TYPE_SNAPSHOT_SESSION:
        {
@@ -528,13 +646,147 @@ void print_one_action(const struct lttng_action *action)
                        }
                }
 
-               MSG("");
+               action_status = lttng_action_snapshot_session_get_rate_policy(
+                               action, &policy);
+               if (action_status != LTTNG_ACTION_STATUS_OK) {
+                       ERR("Failed to retrieve rate policy.");
+                       goto end;
+               }
                break;
        }
-
        default:
                abort();
        }
+
+       if (policy) {
+               enum lttng_rate_policy_type policy_type;
+               enum lttng_rate_policy_status policy_status;
+               uint64_t policy_value = 0;
+
+               policy_type = lttng_rate_policy_get_type(policy);
+
+               switch (policy_type) {
+               case LTTNG_RATE_POLICY_TYPE_EVERY_N:
+                       policy_status = lttng_rate_policy_every_n_get_interval(
+                                       policy, &policy_value);
+                       if (policy_status != LTTNG_RATE_POLICY_STATUS_OK) {
+                               ERR("Failed to get action rate policy interval");
+                               goto end;
+                       }
+                       if (policy_value > 1) {
+                               /* The default is 1 so print only when it is a
+                                * special case.
+                                */
+                               _MSG(", rate policy: after every %" PRIu64
+                                    " occurrences",
+                                               policy_value);
+                       }
+                       break;
+               case LTTNG_RATE_POLICY_TYPE_ONCE_AFTER_N:
+                       policy_status = lttng_rate_policy_once_after_n_get_threshold(
+                                       policy, &policy_value);
+                       if (policy_status != LTTNG_RATE_POLICY_STATUS_OK) {
+                               ERR("Failed to get action rate policy interval");
+                               goto end;
+                       }
+                       _MSG(", rate policy: once after %" PRIu64
+                            " occurrences",
+                                       policy_value);
+                       break;
+               default:
+                       abort();
+               }
+       }
+
+       MSG("");
+       print_action_errors(trigger, action);
+
+end:
+       return;
+}
+
+static
+void print_trigger_errors(const struct lttng_trigger *trigger)
+{
+       unsigned int i, count, printed_errors_count = 0;
+       enum lttng_error_code error_query_ret;
+       enum lttng_error_query_results_status results_status;
+       struct lttng_error_query_results *results = NULL;
+       enum lttng_trigger_status trigger_status;
+       const char *trigger_name;
+       uid_t trigger_uid;
+       struct lttng_error_query *query =
+                       lttng_error_query_trigger_create(trigger);
+
+       assert(query);
+
+       trigger_status = lttng_trigger_get_name(trigger, &trigger_name);
+       assert(trigger_status == LTTNG_TRIGGER_STATUS_OK);
+
+       trigger_status = lttng_trigger_get_owner_uid(trigger, &trigger_uid);
+       assert(trigger_status == LTTNG_TRIGGER_STATUS_OK);
+
+       error_query_ret = lttng_error_query_execute(
+                       query, lttng_session_daemon_command_endpoint, &results);
+       if (error_query_ret != LTTNG_OK) {
+               ERR("Failed to query errors of trigger '%s' (owner uid: %d): %s",
+                               trigger_name, (int) trigger_uid,
+                               lttng_strerror(-error_query_ret));
+               goto end;
+       }
+
+       results_status = lttng_error_query_results_get_count(results, &count);
+       assert(results_status == LTTNG_ERROR_QUERY_RESULTS_STATUS_OK);
+
+       _MSG("  errors:");
+
+       for (i = 0; i < count; i++) {
+               const struct lttng_error_query_result *result;
+               enum lttng_error_query_result_status result_status;
+               const char *result_name;
+               const char *result_description;
+               uint64_t result_value;
+
+               results_status = lttng_error_query_results_get_result(
+                               results, &result, i);
+               assert(results_status == LTTNG_ERROR_QUERY_RESULTS_STATUS_OK);
+
+               result_status = lttng_error_query_result_get_name(
+                               result, &result_name);
+               assert(result_status == LTTNG_ERROR_QUERY_RESULT_STATUS_OK);
+               result_status = lttng_error_query_result_get_description(
+                               result, &result_description);
+               assert(result_status == LTTNG_ERROR_QUERY_RESULT_STATUS_OK);
+
+               if (lttng_error_query_result_get_type(result) ==
+                               LTTNG_ERROR_QUERY_RESULT_TYPE_COUNTER) {
+                       result_status = lttng_error_query_result_counter_get_value(
+                                       result, &result_value);
+                       assert(result_status ==
+                                       LTTNG_ERROR_QUERY_RESULT_STATUS_OK);
+                       if (result_value == 0) {
+                               continue;
+                       }
+
+                       MSG("");
+                       _MSG("    %s: %" PRIu64, result_name,
+                                       result_value);
+                       printed_errors_count++;
+               } else {
+                       _MSG("    Unknown error query result type for result '%s' (%s)",
+                                       result_name, result_description);
+                       continue;
+               }
+       }
+
+       if (printed_errors_count == 0) {
+               _MSG(" none");
+       }
+
+end:
+       MSG("");
+       lttng_error_query_destroy(query);
+       lttng_error_query_results_destroy(results);
 }
 
 static
@@ -546,8 +798,6 @@ void print_one_trigger(const struct lttng_trigger *trigger)
        enum lttng_action_type action_type;
        enum lttng_trigger_status trigger_status;
        const char *name;
-       enum lttng_trigger_firing_policy firing_policy_type;
-       uint64_t threshold;
        uid_t trigger_uid;
 
        trigger_status = lttng_trigger_get_name(trigger, &name);
@@ -559,26 +809,6 @@ void print_one_trigger(const struct lttng_trigger *trigger)
        MSG("- id: %s", name);
        MSG("  user id: %d", trigger_uid);
 
-       trigger_status = lttng_trigger_get_firing_policy(
-                       trigger, &firing_policy_type, &threshold);
-       if (trigger_status != LTTNG_TRIGGER_STATUS_OK) {
-               ERR("Failed to get trigger's policy.");
-               goto end;
-       }
-
-       switch (firing_policy_type) {
-       case LTTNG_TRIGGER_FIRING_POLICY_EVERY_N:
-               if (threshold > 1) {
-                       MSG("  firing policy: after every %" PRIu64 " occurences", threshold);
-               }
-               break;
-       case LTTNG_TRIGGER_FIRING_POLICY_ONCE_AFTER_N:
-               MSG("  firing policy: once after %" PRIu64 " occurences", threshold);
-               break;
-       default:
-               abort();
-       }
-
        condition = lttng_trigger_get_const_condition(trigger);
        condition_type = lttng_condition_get_type(condition);
        MSG("  condition: %s", lttng_condition_type_str(condition_type));
@@ -608,15 +838,14 @@ void print_one_trigger(const struct lttng_trigger *trigger)
                                                        action, i);
 
                        _MSG("    ");
-                       print_one_action(subaction);
+                       print_one_action(trigger, subaction);
                }
        } else {
                _MSG(" action:");
-               print_one_action(action);
+               print_one_action(trigger, action);
        }
 
-end:
-       return;
+       print_trigger_errors(trigger);
 }
 
 static
This page took 0.028235 seconds and 4 git commands to generate.