1. 根目录:
2. drivers
3. net
4. wireless
5. iwlwifi
6. iwl-devtrace-msg.h

/******************************************************************************
 *
 * Copyright(c) 2009 - 2014 Intel Corporation. All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of version 2 of the GNU General Public License as
 * published by the Free Software Foundation.
 *
 * 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, USA
 *
 * The full GNU General Public License is included in this distribution in the
 * file called LICENSE.
 *
 * Contact Information:
 *  Intel Linux Wireless <ilw@linux.intel.com>
 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
 *
 *****************************************************************************/

#if !defined(__IWLWIFI_DEVICE_TRACE_MSG) || defined(TRACE_HEADER_MULTI_READ)
#define __IWLWIFI_DEVICE_TRACE_MSG

#include <linux/tracepoint.h>

#undef TRACE_SYSTEM
#define TRACE_SYSTEM iwlwifi_msg

#define MAX_MSG_LEN	110

DECLARE_EVENT_CLASS(iwlwifi_msg_event,
	TP_PROTO(struct va_format *vaf),
	TP_ARGS(vaf),
	TP_STRUCT__entry(
		__dynamic_array(char, msg, MAX_MSG_LEN)
	),
	TP_fast_assign(
		WARN_ON_ONCE(vsnprintf(__get_dynamic_array(msg),
				       MAX_MSG_LEN, vaf->fmt,
				       *vaf->va) >= MAX_MSG_LEN);
	),
	TP_printk("%s", __get_str(msg))
);

DEFINE_EVENT(iwlwifi_msg_event, iwlwifi_err,
	TP_PROTO(struct va_format *vaf),
	TP_ARGS(vaf)
);

DEFINE_EVENT(iwlwifi_msg_event, iwlwifi_warn,
	TP_PROTO(struct va_format *vaf),
	TP_ARGS(vaf)
);

DEFINE_EVENT(iwlwifi_msg_event, iwlwifi_info,
	TP_PROTO(struct va_format *vaf),
	TP_ARGS(vaf)
);

DEFINE_EVENT(iwlwifi_msg_event, iwlwifi_crit,
	TP_PROTO(struct va_format *vaf),
	TP_ARGS(vaf)
);

TRACE_EVENT(iwlwifi_dbg,
	TP_PROTO(u32 level, bool in_interrupt, const char *function,
		 struct va_format *vaf),
	TP_ARGS(level, in_interrupt, function, vaf),
	TP_STRUCT__entry(
		__field(u32, level)
		__field(u8, in_interrupt)
		__string(function, function)
		__dynamic_array(char, msg, MAX_MSG_LEN)
	),
	TP_fast_assign(
		__entry->level = level;
		__entry->in_interrupt = in_interrupt;
		__assign_str(function, function);
		WARN_ON_ONCE(vsnprintf(__get_dynamic_array(msg),
				       MAX_MSG_LEN, vaf->fmt,
				       *vaf->va) >= MAX_MSG_LEN);
	),
	TP_printk("%s", __get_str(msg))
);
#endif /* __IWLWIFI_DEVICE_TRACE_MSG */

#undef TRACE_INCLUDE_PATH
#define TRACE_INCLUDE_PATH .
#undef TRACE_INCLUDE_FILE
#define TRACE_INCLUDE_FILE iwl-devtrace-msg
#include <trace/define_trace.h>