/*
- * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca>
+ * Copyright (C) 2011 David Goulet <david.goulet@polymtl.ca>
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License, version 2 only,
- * as published by the Free Software Foundation.
+ * SPDX-License-Identifier: GPL-2.0-only
*
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#define _LGPL_SOURCE
#include <assert.h>
#include <common/mi-lttng.h>
+#include <common/time.h>
#include <lttng/constant.h>
+#include <lttng/tracker.h>
#include "../command.h"
return exclusion_msg;
}
+static void print_userspace_probe_location(struct lttng_event *event)
+{
+ const struct lttng_userspace_probe_location *location;
+ const struct lttng_userspace_probe_location_lookup_method *lookup_method;
+ enum lttng_userspace_probe_location_lookup_method_type lookup_type;
+
+ location = lttng_event_get_userspace_probe_location(event);
+ if (!location) {
+ MSG("Event has no userspace probe location");
+ return;
+ }
+
+ lookup_method = lttng_userspace_probe_location_get_lookup_method(location);
+ if (!lookup_method) {
+ MSG("Event has no userspace probe location lookup method");
+ return;
+ }
+
+ MSG("%s%s (type: userspace-probe)%s", indent6, event->name, enabled_string(event->enabled));
+
+ lookup_type = lttng_userspace_probe_location_lookup_method_get_type(lookup_method);
+
+ switch (lttng_userspace_probe_location_get_type(location)) {
+ case LTTNG_USERSPACE_PROBE_LOCATION_TYPE_UNKNOWN:
+ MSG("%sType: Unknown", indent8);
+ break;
+ case LTTNG_USERSPACE_PROBE_LOCATION_TYPE_FUNCTION:
+ {
+ const char *function_name;
+ const char *binary_path;
+
+ MSG("%sType: Function", indent8);
+ function_name = lttng_userspace_probe_location_function_get_function_name(location);
+ binary_path = realpath(lttng_userspace_probe_location_function_get_binary_path(location), NULL);
+
+ MSG("%sBinary path: %s", indent8, binary_path ? binary_path : "NULL");
+ MSG("%sFunction: %s()", indent8, function_name ? function_name : "NULL");
+ switch (lookup_type) {
+ case LTTNG_USERSPACE_PROBE_LOCATION_LOOKUP_METHOD_TYPE_FUNCTION_ELF:
+ MSG("%sLookup method: ELF", indent8);
+ break;
+ case LTTNG_USERSPACE_PROBE_LOCATION_LOOKUP_METHOD_TYPE_FUNCTION_DEFAULT:
+ MSG("%sLookup method: default", indent8);
+ break;
+ default:
+ MSG("%sLookup method: INVALID LOOKUP TYPE ENCOUNTERED", indent8);
+ break;
+ }
+ break;
+ }
+ case LTTNG_USERSPACE_PROBE_LOCATION_TYPE_TRACEPOINT:
+ {
+ const char *probe_name, *provider_name;
+ const char *binary_path;
+
+ MSG("%sType: Tracepoint", indent8);
+ probe_name = lttng_userspace_probe_location_tracepoint_get_probe_name(location);
+ provider_name = lttng_userspace_probe_location_tracepoint_get_provider_name(location);
+ binary_path = realpath(lttng_userspace_probe_location_tracepoint_get_binary_path(location), NULL);
+ MSG("%sBinary path: %s", indent8, binary_path ? binary_path : "NULL");
+ MSG("%sTracepoint: %s:%s", indent8, provider_name ? provider_name : "NULL", probe_name ? probe_name : "NULL");
+ switch (lookup_type) {
+ case LTTNG_USERSPACE_PROBE_LOCATION_LOOKUP_METHOD_TYPE_TRACEPOINT_SDT:
+ MSG("%sLookup method: SDT", indent8);
+ break;
+ default:
+ MSG("%sLookup method: INVALID LOOKUP TYPE ENCOUNTERED", indent8);
+ break;
+ }
+ break;
+ }
+ default:
+ ERR("Invalid probe type encountered");
+ }
+}
+
/*
* Pretty print single event.
*/
MSG("%ssymbol: %s", indent8, event->attr.probe.symbol_name);
}
break;
+ case LTTNG_EVENT_USERSPACE_PROBE:
+ print_userspace_probe_location(event);
+ break;
case LTTNG_EVENT_FUNCTION_ENTRY:
MSG("%s%s (type: function)%s%s", indent6,
event->name, enabled_string(event->enabled),
safe_string(filter_msg));
break;
case LTTNG_EVENT_ALL:
+ /* Fall-through. */
+ default:
/* We should never have "all" events in list. */
assert(0);
break;
}
}
- /* Close pid, domain, domains */
+ /* Close pids, domain, domains */
ret = mi_lttng_close_multi_element(writer, 3);
end:
return ret;
}
if (value) {
- MSG("%" PRId64 " µs", value);
+ MSG("%" PRId64 " %s", value, USEC_UNIT);
} else {
MSG("inactive");
}
if (blocking_timeout == -1) {
MSG("%sBlocking timeout: infinite", indent6);
} else {
- MSG("%sBlocking timeout: %" PRId64 " µs", indent6, blocking_timeout);
+ MSG("%sBlocking timeout: %" PRId64 " %s", indent6,
+ blocking_timeout, USEC_UNIT);
}
}
return ret;
}
+static const char *get_tracker_str(enum lttng_tracker_type tracker_type)
+{
+ switch (tracker_type) {
+ case LTTNG_TRACKER_PID:
+ return "PID";
+ case LTTNG_TRACKER_VPID:
+ return "VPID";
+ case LTTNG_TRACKER_UID:
+ return "UID";
+ case LTTNG_TRACKER_VUID:
+ return "VUID";
+ case LTTNG_TRACKER_GID:
+ return "GID";
+ case LTTNG_TRACKER_VGID:
+ return "VGID";
+ }
+ return NULL;
+}
+
/*
- * List tracker PID(s) of session and domain.
+ * List tracker ID(s) of session and domain.
*/
-static int list_tracker_pids(void)
+static int list_tracker_ids(enum lttng_tracker_type tracker_type)
{
int ret = 0;
- int enabled;
- int *pids = NULL;
- size_t nr_pids;
+ int enabled = 1;
+ struct lttng_tracker_ids *ids = NULL;
+ unsigned int nr_ids, i;
+ const struct lttng_tracker_id *id;
+ enum lttng_tracker_id_status status;
- ret = lttng_list_tracker_pids(handle,
- &enabled, &pids, &nr_pids);
+ ret = lttng_list_tracker_ids(handle, tracker_type, &ids);
if (ret) {
return ret;
}
+
+ status = lttng_tracker_ids_get_count(ids, &nr_ids);
+ if (status != LTTNG_TRACKER_ID_STATUS_OK) {
+ ret = CMD_ERROR;
+ goto end;
+ }
+
+ if (nr_ids == 1) {
+ id = lttng_tracker_ids_get_at_index(ids, 0);
+ if (id && lttng_tracker_id_get_type(id) == LTTNG_ID_ALL) {
+ enabled = 0;
+ }
+ }
+
if (enabled) {
- int i;
- _MSG("PID tracker: [");
+ _MSG("%s tracker: [", get_tracker_str(tracker_type));
- /* Mi tracker_pid element*/
+ /* Mi tracker_id element */
if (writer) {
- /* Open tracker_pid and targets elements */
- ret = mi_lttng_pid_tracker_open(writer);
+ /* Open tracker_id and targets elements */
+ ret = mi_lttng_id_tracker_open(writer, tracker_type);
if (ret) {
goto end;
}
}
- for (i = 0; i < nr_pids; i++) {
+ for (i = 0; i < nr_ids; i++) {
+ enum lttng_tracker_id_status status =
+ LTTNG_TRACKER_ID_STATUS_OK;
+ int value;
+ const char *value_string;
+
+ id = lttng_tracker_ids_get_at_index(ids, i);
+ if (!id) {
+ ret = CMD_ERROR;
+ goto end;
+ }
+
+ switch (lttng_tracker_id_get_type(id)) {
+ case LTTNG_ID_ALL:
+ break;
+ case LTTNG_ID_VALUE:
+ status = lttng_tracker_id_get_value(id, &value);
+ break;
+ case LTTNG_ID_STRING:
+ status = lttng_tracker_id_get_string(
+ id, &value_string);
+ break;
+ case LTTNG_ID_UNKNOWN:
+ ret = CMD_ERROR;
+ goto end;
+ }
+
+ if (status != LTTNG_TRACKER_ID_STATUS_OK) {
+ ERR("Invalid state for tracker id");
+ ret = CMD_ERROR;
+ goto end;
+ }
+
if (i) {
_MSG(",");
}
- _MSG(" %d", pids[i]);
+ switch (lttng_tracker_id_get_type(id)) {
+ case LTTNG_ID_ALL:
+ _MSG(" *");
+ break;
+ case LTTNG_ID_VALUE:
+ _MSG(" %d", value);
+ break;
+ case LTTNG_ID_STRING:
+ _MSG(" %s", value_string);
+ break;
+ case LTTNG_ID_UNKNOWN:
+ ERR("Invalid state for tracker id");
+ ret = CMD_ERROR;
+ goto end;
+ }
/* Mi */
if (writer) {
- ret = mi_lttng_pid_target(writer, pids[i], 0);
+ ret = mi_lttng_id_target(
+ writer, tracker_type, id, 0);
if (ret) {
goto end;
}
}
_MSG(" ]\n\n");
- /* Mi close tracker_pid and targets */
+ /* Mi close tracker_id and targets */
if (writer) {
- ret = mi_lttng_close_multi_element(writer,2);
+ ret = mi_lttng_close_multi_element(writer, 2);
if (ret) {
goto end;
}
}
}
end:
- free(pids);
+ lttng_tracker_ids_destroy(ids);
return ret;
-
}
/*
- * List all tracker of a domain
+ * List all trackers of a domain
*/
-static int list_trackers(void)
+static int list_trackers(const struct lttng_domain *domain)
{
- int ret;
+ int ret = 0;
/* Trackers listing */
if (lttng_opt_mi) {
}
}
- /* pid tracker */
- ret = list_tracker_pids();
- if (ret) {
- goto end;
+ switch (domain->type) {
+ case LTTNG_DOMAIN_KERNEL:
+ /* pid tracker */
+ ret = list_tracker_ids(LTTNG_TRACKER_PID);
+ if (ret) {
+ goto end;
+ }
+ /* vpid tracker */
+ ret = list_tracker_ids(LTTNG_TRACKER_VPID);
+ if (ret) {
+ goto end;
+ }
+ /* uid tracker */
+ ret = list_tracker_ids(LTTNG_TRACKER_UID);
+ if (ret) {
+ goto end;
+ }
+ /* vuid tracker */
+ ret = list_tracker_ids(LTTNG_TRACKER_VUID);
+ if (ret) {
+ goto end;
+ }
+ /* gid tracker */
+ ret = list_tracker_ids(LTTNG_TRACKER_GID);
+ if (ret) {
+ goto end;
+ }
+ /* vgid tracker */
+ ret = list_tracker_ids(LTTNG_TRACKER_VGID);
+ if (ret) {
+ goto end;
+ }
+ break;
+ case LTTNG_DOMAIN_UST:
+ /* vpid tracker */
+ ret = list_tracker_ids(LTTNG_TRACKER_VPID);
+ if (ret) {
+ goto end;
+ }
+ /* vuid tracker */
+ ret = list_tracker_ids(LTTNG_TRACKER_VUID);
+ if (ret) {
+ goto end;
+ }
+ /* vgid tracker */
+ ret = list_tracker_ids(LTTNG_TRACKER_VGID);
+ if (ret) {
+ goto end;
+ }
+ break;
+ default:
+ break;
}
-
if (lttng_opt_mi) {
/* Close trackers element */
ret = mi_lttng_writer_close_element(writer);
return ret;
}
+static enum cmd_error_code print_periodic_rotation_schedule(
+ const struct lttng_rotation_schedule *schedule)
+{
+ enum cmd_error_code ret;
+ enum lttng_rotation_status status;
+ uint64_t value;
+
+ status = lttng_rotation_schedule_periodic_get_period(schedule,
+ &value);
+ if (status != LTTNG_ROTATION_STATUS_OK) {
+ ERR("Failed to retrieve period parameter from periodic rotation schedule.");
+ ret = CMD_ERROR;
+ goto end;
+ }
+
+ MSG(" timer period: %" PRIu64" %s", value, USEC_UNIT);
+ ret = CMD_SUCCESS;
+end:
+ return ret;
+}
+
+static enum cmd_error_code print_size_threshold_rotation_schedule(
+ const struct lttng_rotation_schedule *schedule)
+{
+ enum cmd_error_code ret;
+ enum lttng_rotation_status status;
+ uint64_t value;
+
+ status = lttng_rotation_schedule_size_threshold_get_threshold(schedule,
+ &value);
+ if (status != LTTNG_ROTATION_STATUS_OK) {
+ ERR("Failed to retrieve size parameter from size-based rotation schedule.");
+ ret = CMD_ERROR;
+ goto end;
+ }
+
+ MSG(" size threshold: %" PRIu64" bytes", value);
+ ret = CMD_SUCCESS;
+end:
+ return ret;
+}
+
+static enum cmd_error_code print_rotation_schedule(
+ const struct lttng_rotation_schedule *schedule)
+{
+ enum cmd_error_code ret;
+
+ switch (lttng_rotation_schedule_get_type(schedule)) {
+ case LTTNG_ROTATION_SCHEDULE_TYPE_SIZE_THRESHOLD:
+ ret = print_size_threshold_rotation_schedule(schedule);
+ break;
+ case LTTNG_ROTATION_SCHEDULE_TYPE_PERIODIC:
+ ret = print_periodic_rotation_schedule(schedule);
+ break;
+ default:
+ ret = CMD_ERROR;
+ }
+ return ret;
+}
+
/*
- * List the rotate settings (timer/size if any).
+ * List the automatic rotation settings.
*/
-static int list_rotate_settings(const char *session_name)
+static enum cmd_error_code list_rotate_settings(const char *session_name)
{
int ret;
- uint64_t size, timer;
-
- ret = lttng_rotation_schedule_get_timer_period(session_name, &timer);
- if (ret) {
+ enum cmd_error_code cmd_ret = CMD_SUCCESS;
+ unsigned int count, i;
+ struct lttng_rotation_schedules *schedules = NULL;
+ enum lttng_rotation_status status;
+
+ ret = lttng_session_list_rotation_schedules(session_name, &schedules);
+ if (ret != LTTNG_OK) {
+ ERR("Failed to list session rotation schedules: %s", lttng_strerror(ret));
+ cmd_ret = CMD_ERROR;
goto end;
}
- ret = lttng_rotation_schedule_get_size(session_name, &size);
- if (ret) {
+ status = lttng_rotation_schedules_get_count(schedules, &count);
+ if (status != LTTNG_ROTATION_STATUS_OK) {
+ ERR("Failed to retrieve the number of session rotation schedules.");
+ cmd_ret = CMD_ERROR;
goto end;
}
- if (!timer && !size) {
- ret = 0;
+ if (count == 0) {
+ cmd_ret = CMD_SUCCESS;
goto end;
}
- _MSG("Automatic rotation schedule settings:\n");
-
- if (timer) {
- _MSG(" timer period: %" PRIu64" µs\n", timer);
- if (lttng_opt_mi) {
- ret = mi_lttng_writer_write_element_unsigned_int(writer,
- config_element_rotation_timer_interval, timer);
- if (ret) {
- goto end;
- }
+ MSG("Automatic rotation schedules:");
+ if (lttng_opt_mi) {
+ ret = mi_lttng_writer_open_element(writer,
+ mi_lttng_element_rotation_schedules);
+ if (ret) {
+ cmd_ret = CMD_ERROR;
+ goto end;
}
}
- if (size) {
- _MSG(" size threshold: %" PRIu64" bytes\n", size);
+
+ for (i = 0; i < count; i++) {
+ enum cmd_error_code tmp_ret = CMD_SUCCESS;
+ const struct lttng_rotation_schedule *schedule;
+
+ schedule = lttng_rotation_schedules_get_at_index(schedules, i);
+ if (!schedule) {
+ ERR("Failed to retrieve session rotation schedule.");
+ cmd_ret = CMD_ERROR;
+ goto end;
+ }
+
if (lttng_opt_mi) {
- ret = mi_lttng_writer_write_element_unsigned_int(writer,
- config_element_rotation_size, size);
+ ret = mi_lttng_rotation_schedule(writer, schedule);
if (ret) {
- goto end;
+ tmp_ret = CMD_ERROR;
}
+ } else {
+ tmp_ret = print_rotation_schedule(schedule);
}
+
+ /*
+ * Report an error if the serialization of any of the
+ * descriptors failed.
+ */
+ cmd_ret = cmd_ret ? cmd_ret : tmp_ret;
}
- _MSG("\n");
+ _MSG("\n");
+ if (lttng_opt_mi) {
+ /* Close the rotation_schedules element. */
+ ret = mi_lttng_writer_close_element(writer);
+ if (ret) {
+ cmd_ret = CMD_ERROR;
+ goto end;
+ }
+ }
end:
- return ret;
+ lttng_rotation_schedules_destroy(schedules);
+ return cmd_ret;
}
/*
int ret = CMD_SUCCESS;
int count, i;
unsigned int session_found = 0;
- struct lttng_session *sessions;
+ struct lttng_session *sessions = NULL;
count = lttng_list_sessions(&sessions);
DBG("Session count %d", count);
if (lttng_opt_mi) {
/* Mi */
if (session_name == NULL) {
- /* List all session */
+ /* List all sessions */
ret = mi_list_sessions(sessions, count);
} else {
/* Note : this return an open session element */
}
if (ret) {
ret = CMD_ERROR;
- goto error;
+ goto end;
}
} else {
/* Pretty print */
MSG("Available tracing sessions:");
}
-
for (i = 0; i < count; i++) {
if (session_name != NULL) {
if (strncmp(sessions[i].name, session_name, NAME_MAX) == 0) {
MSG("Tracing session %s: [%s%s]", session_name,
active_string(sessions[i].enabled),
snapshot_string(sessions[i].snapshot_mode));
- MSG("%sTrace path: %s\n", indent4, sessions[i].path);
+ if (*sessions[i].path) {
+ MSG("%sTrace output: %s\n", indent4, sessions[i].path);
+ }
memcpy(&listed_session, &sessions[i],
sizeof(listed_session));
break;
}
} else {
- MSG(" %d) %s (%s) [%s%s]", i + 1,
- sessions[i].name, sessions[i].path,
+ MSG(" %d) %s [%s%s]", i + 1,
+ sessions[i].name,
active_string(sessions[i].enabled),
snapshot_string(sessions[i].snapshot_mode));
- MSG("%sTrace path: %s", indent4, sessions[i].path);
+ if (*sessions[i].path) {
+ MSG("%sTrace output: %s", indent4, sessions[i].path);
+ }
if (sessions[i].live_timer_interval != 0) {
- MSG("%sLive timer interval: %u µs", indent4,
- sessions[i].live_timer_interval);
+ MSG("%sLive timer interval: %u %s", indent4,
+ sessions[i].live_timer_interval,
+ USEC_UNIT);
}
MSG("");
}
if (!session_found && session_name != NULL) {
ERR("Session '%s' not found", session_name);
ret = CMD_ERROR;
- goto error;
+ goto end;
}
if (session_name == NULL) {
}
}
-error:
- free(sessions);
end:
+ free(sessions);
return ret;
}
/* Trackers */
- ret = list_trackers();
+ ret = list_trackers(&domain);
if (ret) {
goto end;
}
for (i = 0; i < nb_domain; i++) {
switch (domains[i].type) {
case LTTNG_DOMAIN_KERNEL:
- MSG("=== Domain: Kernel ===\n");
+ MSG("=== Domain: Linux kernel ===\n");
break;
case LTTNG_DOMAIN_UST:
- MSG("=== Domain: UST global ===\n");
- MSG("Buffer type: %s\n",
+ MSG("=== Domain: User space ===\n");
+ MSG("Buffering scheme: %s\n",
domains[i].buf_type ==
- LTTNG_BUFFER_PER_PID ? "per PID" : "per UID");
+ LTTNG_BUFFER_PER_PID ? "per-process" : "per-user");
break;
case LTTNG_DOMAIN_JUL:
- MSG("=== Domain: JUL (Java Util Logging) ===\n");
+ MSG("=== Domain: java.util.logging (JUL) ===\n");
break;
case LTTNG_DOMAIN_LOG4J:
- MSG("=== Domain: LOG4j (Logging for Java) ===\n");
+ MSG("=== Domain: log4j ===\n");
break;
case LTTNG_DOMAIN_PYTHON:
- MSG("=== Domain: Python (logging) ===\n");
+ MSG("=== Domain: Python logging ===\n");
break;
default:
MSG("=== Domain: Unimplemented ===\n");
switch (domains[i].type) {
case LTTNG_DOMAIN_KERNEL:
case LTTNG_DOMAIN_UST:
- ret = list_trackers();
+ ret = list_trackers(&domains[i]);
if (ret) {
goto end;
}
projects / lttng-tools.git / blobdiff