*/
#define _GNU_SOURCE
+#define _LGPL_SOURCE
#include <assert.h>
+#include <inttypes.h>
#include <lttng/lttng-error.h>
#include <common/common.h>
#define ERROR_INDEX(code) (code - LTTNG_OK)
+/* TLS variable that contains the time of one single log entry. */
+DEFINE_URCU_TLS(struct log_time, error_log_time);
+
+LTTNG_HIDDEN
+const char *log_add_time(void)
+{
+ int ret;
+ struct tm tm, *res;
+ struct timespec tp;
+ time_t now;
+
+ ret = clock_gettime(CLOCK_REALTIME, &tp);
+ if (ret < 0) {
+ goto error;
+ }
+ now = (time_t) tp.tv_sec;
+
+ res = localtime_r(&now, &tm);
+ if (!res) {
+ goto error;
+ }
+
+ /* 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",
+ tm.tm_hour, tm.tm_min, tm.tm_sec, tp.tv_nsec);
+ if (ret < 0) {
+ goto error;
+ }
+
+ return URCU_TLS(error_log_time).str;
+
+error:
+ /* Return an empty string on error so logging is not affected. */
+ return "";
+}
+
/*
* Human readable error message.
*/
[ 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_TRACE_ALREADY_STARTED) ] = "Tracing already started",
- [ ERROR_INDEX(LTTNG_ERR_TRACE_ALREADY_STOPPED) ] = "Tracing already stopped",
+ [ 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_NEED_CHANNEL_NAME) ] = "Non-default channel exists within session: channel name needs to be specified with '-c name'",
[ ERROR_INDEX(LTTNG_ERR_INVALID) ] = "Invalid parameter",
[ ERROR_INDEX(LTTNG_ERR_START_SESSION_ONCE) ] = "Session needs to be started once",
[ ERROR_INDEX(LTTNG_ERR_SNAPSHOT_FAIL) ] = "Snapshot record failed",
[ ERROR_INDEX(LTTNG_ERR_CHAN_EXIST) ] = "Channel already exists",
+ [ ERROR_INDEX(LTTNG_ERR_SNAPSHOT_NODATA) ] = "No data available in snapshot",
+ [ ERROR_INDEX(LTTNG_ERR_NO_CHANNEL) ] = "No channel found in the session",
+ [ ERROR_INDEX(LTTNG_ERR_SESSION_INVALID_CHAR) ] = "Invalid character found in session name",
+ [ ERROR_INDEX(LTTNG_ERR_SAVE_FILE_EXIST) ] = "Session file already exists",
+ [ ERROR_INDEX(LTTNG_ERR_SAVE_IO_FAIL) ] = "IO error while writing session configuration",
+ [ ERROR_INDEX(LTTNG_ERR_LOAD_INVALID_CONFIG) ] = "Invalid session configuration",
+ [ ERROR_INDEX(LTTNG_ERR_LOAD_IO_FAIL) ] = "IO error while reading a session configuration",
+ [ ERROR_INDEX(LTTNG_ERR_LOAD_SESSION_NOENT) ] = "Session file not found",
+ [ ERROR_INDEX(LTTNG_ERR_MAX_SIZE_INVALID) ] = "Snapshot max size is invalid",
+ [ ERROR_INDEX(LTTNG_ERR_MI_OUTPUT_TYPE) ] = "Invalid MI output format",
+ [ ERROR_INDEX(LTTNG_ERR_MI_IO_FAIL) ] = "IO error while writing MI output",
+ [ 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_INVALID_CHANNEL_DOMAIN) ] = "Invalid channel domain",
/* Last element */
[ ERROR_INDEX(LTTNG_ERR_NR) ] = "Unknown error code"