X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fcommon%2Ferror.c;h=4d6b26b229c0a8773fe9ebb427b880c5986afc84;hp=84bc04facc7a5baea689d839aa0db85a0f1dfdb2;hb=e971184584781f70bbbfc52bbede8b9abf0436e5;hpb=9bbd8e06acdcc06e6a6b22670c79a4da3e793f70 diff --git a/src/common/error.c b/src/common/error.c index 84bc04fac..4d6b26b22 100644 --- a/src/common/error.c +++ b/src/common/error.c @@ -1,29 +1,22 @@ /* - * Copyright (C) 2012 - David Goulet + * Copyright (C) 2012 David Goulet * - * 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 #include +#include #include #include -#include #include +#include +#include #include +#include #include "error.h" @@ -37,6 +30,7 @@ static int lttng_opt_abort_on_error = -1; /* 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) @@ -45,8 +39,9 @@ const char *log_add_time(void) struct tm tm, *res; struct timespec tp; time_t now; + const int errsv = errno; - ret = clock_gettime(CLOCK_REALTIME, &tp); + ret = lttng_clock_gettime(CLOCK_REALTIME, &tp); if (ret < 0) { goto error; } @@ -59,19 +54,38 @@ const char *log_add_time(void) /* Format time in the TLS variable. */ ret = snprintf(URCU_TLS(error_log_time).str, sizeof(URCU_TLS(error_log_time).str), - "%02d:%02d:%02d.%06ld", + "%02d:%02d:%02d.%09ld", tm.tm_hour, tm.tm_min, tm.tm_sec, tp.tv_nsec); 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. */ @@ -129,8 +143,8 @@ static const char *error_string_array[] = { [ 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", @@ -147,7 +161,7 @@ static const char *error_string_array[] = { [ ERROR_INDEX(LTTNG_ERR_FILTER_INVAL) ] = "Invalid filter bytecode", [ ERROR_INDEX(LTTNG_ERR_FILTER_NOMEM) ] = "Not enough memory for filter bytecode", [ ERROR_INDEX(LTTNG_ERR_FILTER_EXIST) ] = "Filter already exist", - [ ERROR_INDEX(LTTNG_ERR_NO_CONSUMER) ] = "Consumer not found for tracing session", + [ ERROR_INDEX(LTTNG_ERR_NO_CONSUMER) ] = "Consumer not found for recording session", [ ERROR_INDEX(LTTNG_ERR_NO_SESSIOND) ] = "No session daemon is available", [ ERROR_INDEX(LTTNG_ERR_SESSION_STARTED) ] = "Session is running", [ ERROR_INDEX(LTTNG_ERR_NOT_SUPPORTED) ] = "Operation not supported", @@ -175,14 +189,62 @@ static const char *error_string_array[] = { [ 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 occured", + [ ERROR_INDEX(LTTNG_ERR_OVERFLOW) ] = "Overflow occurred", [ ERROR_INDEX(LTTNG_ERR_SESSION_NOT_STARTED) ] = "Session not started", [ ERROR_INDEX(LTTNG_ERR_LIVE_SESSION) ] = "Live sessions are not supported", - [ ERROR_INDEX(LTTNG_ERR_PER_PID_SESSION) ] = "Per-PID tracing sessions are not supported", + [ ERROR_INDEX(LTTNG_ERR_PER_PID_SESSION) ] = "Per-PID recording sessions are not supported", [ ERROR_INDEX(LTTNG_ERR_KERN_CONTEXT_UNAVAILABLE) ] = "Context unavailable on this kernel", + [ ERROR_INDEX(LTTNG_ERR_REGEN_STATEDUMP_FAIL) ] = "Failed to regenerate the state dump", + [ ERROR_INDEX(LTTNG_ERR_REGEN_STATEDUMP_NOMEM) ] = "Failed to regenerate the state dump, not enough memory", + [ ERROR_INDEX(LTTNG_ERR_NOT_SNAPSHOT_SESSION) ] = "Snapshot command can't be applied to a non-snapshot session", + [ ERROR_INDEX(LTTNG_ERR_INVALID_TRIGGER) ] = "Invalid trigger", + [ 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) ] = "Recording 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"