numam-spdk/include/spdk_internal/log.h
Pawel Wodkowski ae2b2f64ea log: add a way to turn on and off stack unwinding in logs
As a side effect, if SPDK_LOG_DISABLED is used in spdk_log() as log
level then no message will be printed.

Change-Id: I2d57b60a5a310a9ef2a1187a81088d0acf828742
Signed-off-by: Pawel Wodkowski <pawelx.wodkowski@intel.com>
Reviewed-on: https://review.gerrithub.io/425105
Chandler-Test-Pool: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
2018-10-02 22:09:27 +00:00

102 lines
3.3 KiB
C

/*-
* BSD LICENSE
*
* Copyright (c) Intel Corporation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/**
* \file
* Logging interfaces
*/
#ifndef SPDK_INTERNAL_LOG_H
#define SPDK_INTERNAL_LOG_H
#include "spdk/log.h"
#include "spdk/queue.h"
extern enum spdk_log_level g_spdk_log_level;
extern enum spdk_log_level g_spdk_log_print_level;
extern enum spdk_log_level g_spdk_log_backtrace_level;
struct spdk_trace_flag {
TAILQ_ENTRY(spdk_trace_flag) tailq;
const char *name;
bool enabled;
};
void spdk_log_register_trace_flag(const char *name, struct spdk_trace_flag *flag);
struct spdk_trace_flag *spdk_log_get_first_trace_flag(void);
struct spdk_trace_flag *spdk_log_get_next_trace_flag(struct spdk_trace_flag *flag);
#define SPDK_LOG_REGISTER_COMPONENT(str, flag) \
struct spdk_trace_flag flag = { \
.enabled = false, \
.name = str, \
}; \
__attribute__((constructor)) static void register_trace_flag_##flag(void) \
{ \
spdk_log_register_trace_flag(str, &flag); \
}
#define SPDK_INFOLOG(FLAG, ...) \
do { \
extern struct spdk_trace_flag FLAG; \
if (FLAG.enabled) { \
spdk_log(SPDK_LOG_INFO, __FILE__, __LINE__, __func__, __VA_ARGS__); \
} \
} while (0)
#ifdef DEBUG
#define SPDK_DEBUGLOG(FLAG, ...) \
do { \
extern struct spdk_trace_flag FLAG; \
if (FLAG.enabled) { \
spdk_log(SPDK_LOG_DEBUG, __FILE__, __LINE__, __func__, __VA_ARGS__); \
} \
} while (0)
#define SPDK_TRACEDUMP(FLAG, LABEL, BUF, LEN) \
do { \
extern struct spdk_trace_flag FLAG; \
if ((FLAG.enabled) && (LEN)) { \
spdk_trace_dump(stderr, (LABEL), (BUF), (LEN)); \
} \
} while (0)
#else
#define SPDK_DEBUGLOG(...) do { } while (0)
#define SPDK_TRACEDUMP(...) do { } while (0)
#endif
#endif /* SPDK_INTERNAL_LOG_H */