linux/drivers/usb/musb/musb_trace.h

55 lines
1.4 KiB
C

/*
* musb_trace.h - MUSB Controller Trace Support
*
* Copyright (C) 2015 Texas Instruments Incorporated - http://www.ti.com
*
* Author: Bin Liu <b-liu@ti.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 of
* the 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.
*/
#undef TRACE_SYSTEM
#define TRACE_SYSTEM musb
#if !defined(__MUSB_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
#define __MUSB_TRACE_H
#include <linux/types.h>
#include <linux/tracepoint.h>
#include "musb_core.h"
#define MUSB_MSG_MAX 500
TRACE_EVENT(musb_log,
TP_PROTO(struct musb *musb, struct va_format *vaf),
TP_ARGS(musb, vaf),
TP_STRUCT__entry(
__string(name, dev_name(musb->controller))
__dynamic_array(char, msg, MUSB_MSG_MAX)
),
TP_fast_assign(
__assign_str(name, dev_name(musb->controller));
vsnprintf(__get_str(msg), MUSB_MSG_MAX, vaf->fmt, *vaf->va);
),
TP_printk("%s: %s", __get_str(name), __get_str(msg))
);
#endif /* __MUSB_TRACE_H */
/* this part has to be here */
#undef TRACE_INCLUDE_PATH
#define TRACE_INCLUDE_PATH .
#undef TRACE_INCLUDE_FILE
#define TRACE_INCLUDE_FILE musb_trace
#include <trace/define_trace.h>