/*
- * Copyright (C) 2012 - David Goulet <dgoulet@efficios.com>
+ * Copyright (C) 2012 David Goulet <dgoulet@efficios.com>
*
- * 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 <inttypes.h>
+#include <pthread.h>
#include <stdlib.h>
#include <string.h>
-#include <lttng/lttng-error.h>
#include <common/common.h>
+#include <common/thread.h>
+#include <common/compat/errno.h>
#include <common/compat/getenv.h>
+#include <lttng/lttng-error.h>
#include "error.h"
/* TLS variable that contains the time of one single log entry. */
DEFINE_URCU_TLS(struct log_time, error_log_time);
+DEFINE_URCU_TLS(const char *, logger_thread_name);
LTTNG_HIDDEN
const char *log_add_time(void)
struct tm tm, *res;
struct timespec tp;
time_t now;
+ const int errsv = errno;
ret = lttng_clock_gettime(CLOCK_REALTIME, &tp);
if (ret < 0) {
goto error;
}
+ errno = errsv;
return URCU_TLS(error_log_time).str;
error:
/* Return an empty string on error so logging is not affected. */
+ errno = errsv;
return "";
}
+LTTNG_HIDDEN
+void logger_set_thread_name(const char *name, bool set_pthread_name)
+{
+ int ret;
+
+ assert(name);
+ URCU_TLS(logger_thread_name) = name;
+
+ if (set_pthread_name) {
+ ret = lttng_thread_setname(name);
+ if (ret && ret != -ENOSYS) {
+ /* Don't fail as this is not essential. */
+ DBG("Failed to set pthread name attribute");
+ }
+ }
+}
+
/*
* Human readable error message.
*/
[ ERROR_INDEX(LTTNG_ERR_UST_EVENT_NOT_FOUND)] = "UST event not found",
[ ERROR_INDEX(LTTNG_ERR_UST_CONTEXT_EXIST)] = "UST context already exist",
[ ERROR_INDEX(LTTNG_ERR_UST_CONTEXT_INVAL)] = "UST invalid context",
- [ ERROR_INDEX(LTTNG_ERR_NEED_ROOT_SESSIOND) ] = "Tracing the kernel requires a root lttng-sessiond daemon, as well as \"tracing\" group membership or root user ID for the lttng client.",
- [ ERROR_INDEX(LTTNG_ERR_NO_UST) ] = "LTTng-UST tracer is not supported. Please rebuild lttng-tools with lttng-ust support enabled.",
+ [ ERROR_INDEX(LTTNG_ERR_NEED_ROOT_SESSIOND) ] = "Tracing the kernel requires a root lttng-sessiond daemon, as well as \"tracing\" group membership or root user ID for the lttng client",
+ [ ERROR_INDEX(LTTNG_ERR_NO_UST) ] = "LTTng-UST tracer is not supported. Please rebuild lttng-tools with lttng-ust support enabled",
[ ERROR_INDEX(LTTNG_ERR_TRACE_ALREADY_STARTED) ] = "Tracing has already been started once",
[ ERROR_INDEX(LTTNG_ERR_TRACE_ALREADY_STOPPED) ] = "Tracing has already been stopped",
[ ERROR_INDEX(LTTNG_ERR_KERN_EVENT_ENOSYS) ] = "Kernel event type not supported",
[ ERROR_INDEX(LTTNG_ERR_MI_NOT_IMPLEMENTED) ] = "Mi feature not implemented",
[ ERROR_INDEX(LTTNG_ERR_INVALID_EVENT_NAME) ] = "Invalid event name",
[ ERROR_INDEX(LTTNG_ERR_INVALID_CHANNEL_NAME) ] = "Invalid channel name",
- [ ERROR_INDEX(LTTNG_ERR_PID_TRACKED) ] = "PID already tracked",
- [ ERROR_INDEX(LTTNG_ERR_PID_NOT_TRACKED) ] = "PID not tracked",
+ [ ERROR_INDEX(LTTNG_ERR_PROCESS_ATTR_EXISTS) ] = "Process attribute is already tracked",
+ [ ERROR_INDEX(LTTNG_ERR_PROCESS_ATTR_MISSING) ] = "Process attribute was not tracked",
[ ERROR_INDEX(LTTNG_ERR_INVALID_CHANNEL_DOMAIN) ] = "Invalid channel domain",
[ ERROR_INDEX(LTTNG_ERR_OVERFLOW) ] = "Overflow occurred",
[ ERROR_INDEX(LTTNG_ERR_SESSION_NOT_STARTED) ] = "Session not started",
[ ERROR_INDEX(LTTNG_ERR_TRIGGER_EXISTS) ] = "Trigger already registered",
[ ERROR_INDEX(LTTNG_ERR_TRIGGER_NOT_FOUND) ] = "Trigger not found",
[ ERROR_INDEX(LTTNG_ERR_COMMAND_CANCELLED) ] = "Command cancelled",
+ [ ERROR_INDEX(LTTNG_ERR_ROTATION_PENDING) ] = "Rotation already pending for this session",
+ [ ERROR_INDEX(LTTNG_ERR_ROTATION_NOT_AVAILABLE) ] = "Rotation feature not available for this session's creation mode",
+ [ ERROR_INDEX(LTTNG_ERR_ROTATION_SCHEDULE_SET) ] = "A session rotation schedule of this type is already set on the session",
+ [ ERROR_INDEX(LTTNG_ERR_ROTATION_SCHEDULE_NOT_SET) ] = "No session rotation schedule of this type is set on the session",
+ [ ERROR_INDEX(LTTNG_ERR_ROTATION_MULTIPLE_AFTER_STOP) ] = "Session was already rotated once since it became inactive",
+ [ ERROR_INDEX(LTTNG_ERR_ROTATION_WRONG_VERSION) ] = "Session rotation is not supported by this kernel tracer version",
+ [ ERROR_INDEX(LTTNG_ERR_NO_SESSION_OUTPUT) ] = "Session has no output",
+ [ ERROR_INDEX(LTTNG_ERR_ROTATION_NOT_AVAILABLE_RELAY) ] = "Rotation feature not available on the relay",
+ [ ERROR_INDEX(LTTNG_ERR_AGENT_TRACING_DISABLED) ] = "Session daemon agent tracing is disabled",
+ [ ERROR_INDEX(LTTNG_ERR_PROBE_LOCATION_INVAL) ] = "Invalid userspace probe location",
+ [ ERROR_INDEX(LTTNG_ERR_ELF_PARSING) ] = "ELF parsing error",
+ [ ERROR_INDEX(LTTNG_ERR_SDT_PROBE_SEMAPHORE) ] = "SDT probe guarded by a semaphore",
+ [ ERROR_INDEX(LTTNG_ERR_ROTATION_FAIL_CONSUMER) ] = "Rotation failure on consumer",
+ [ ERROR_INDEX(LTTNG_ERR_ROTATE_RENAME_FAIL_CONSUMER) ] = "Rotation rename failure on consumer",
+ [ ERROR_INDEX(LTTNG_ERR_ROTATION_PENDING_LOCAL_FAIL_CONSUMER) ] = "Rotation pending check (local) failure on consumer",
+ [ ERROR_INDEX(LTTNG_ERR_ROTATION_PENDING_RELAY_FAIL_CONSUMER) ] = "Rotation pending check (relay) failure on consumer",
+ [ ERROR_INDEX(LTTNG_ERR_MKDIR_FAIL_CONSUMER) ] = "Directory creation failure on consumer",
+ [ ERROR_INDEX(LTTNG_ERR_CHAN_NOT_FOUND) ] = "Channel not found",
+ [ ERROR_INDEX(LTTNG_ERR_SNAPSHOT_UNSUPPORTED) ] = "Session configuration does not allow the use of snapshots",
+ [ ERROR_INDEX(LTTNG_ERR_SESSION_NOT_EXIST) ] = "Tracing session does not exist",
+ [ ERROR_INDEX(LTTNG_ERR_CREATE_TRACE_CHUNK_FAIL_CONSUMER) ] = "Trace chunk creation failed on consumer",
+ [ ERROR_INDEX(LTTNG_ERR_CLOSE_TRACE_CHUNK_FAIL_CONSUMER) ] = "Trace chunk close failed on consumer",
+ [ ERROR_INDEX(LTTNG_ERR_TRACE_CHUNK_EXISTS_FAIL_CONSUMER) ] = "Failed to query consumer for trace chunk existence",
+ [ ERROR_INDEX(LTTNG_ERR_INVALID_PROTOCOL) ] = "Protocol error occurred",
+ [ ERROR_INDEX(LTTNG_ERR_FILE_CREATION_ERROR) ] = "Failed to create file",
+ [ ERROR_INDEX(LTTNG_ERR_TIMER_STOP_ERROR) ] = "Failed to stop a timer",
+ [ ERROR_INDEX(LTTNG_ERR_ROTATION_NOT_AVAILABLE_KERNEL) ] = "Rotation feature not supported by the kernel tracer",
+ [ ERROR_INDEX(LTTNG_ERR_CLEAR_RELAY_DISALLOWED) ] = "Relayd daemon peer does not allow sessions to be cleared",
+ [ ERROR_INDEX(LTTNG_ERR_CLEAR_NOT_AVAILABLE_RELAY) ] = "Clearing a session is not supported by the relay daemon",
+ [ ERROR_INDEX(LTTNG_ERR_CLEAR_FAIL_CONSUMER) ] = "Consumer failed to clear the session",
+ [ ERROR_INDEX(LTTNG_ERR_ROTATION_AFTER_STOP_CLEAR) ] = "Session was already cleared since it became inactive",
+ [ ERROR_INDEX(LTTNG_ERR_USER_NOT_FOUND) ] = "User not found",
+ [ ERROR_INDEX(LTTNG_ERR_GROUP_NOT_FOUND) ] = "Group not found",
+ [ ERROR_INDEX(LTTNG_ERR_UNSUPPORTED_DOMAIN) ] = "Unsupported domain used",
+ [ ERROR_INDEX(LTTNG_ERR_PROCESS_ATTR_TRACKER_INVALID_TRACKING_POLICY) ] = "Operation does not apply to the process attribute tracker's tracking policy",
+ [ ERROR_INDEX(LTTNG_ERR_EVENT_NOTIFIER_GROUP_NOTIFICATION_FD) ] = "Failed to create an event notifier group notification file descriptor",
+ [ ERROR_INDEX(LTTNG_ERR_INVALID_CAPTURE_EXPRESSION) ] = "Invalid capture expression",
+ [ ERROR_INDEX(LTTNG_ERR_EVENT_NOTIFIER_REGISTRATION) ] = "Failed to create event notifier",
+ [ ERROR_INDEX(LTTNG_ERR_EVENT_NOTIFIER_ERROR_ACCOUNTING) ] = "Failed to initialize event notifier error accounting",
+ [ ERROR_INDEX(LTTNG_ERR_EVENT_NOTIFIER_ERROR_ACCOUNTING_FULL) ] = "No index available in event notifier error accounting",
+ [ ERROR_INDEX(LTTNG_ERR_BUFFER_FLUSH_FAILED) ] = "Failed to flush stream buffer",
/* Last element */
[ ERROR_INDEX(LTTNG_ERR_NR) ] = "Unknown error code"