116 lines
2.9 KiB
C
116 lines
2.9 KiB
C
/* SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause */
|
|
/*
|
|
* Copyright(c) 2015 - 2018 Intel Corporation.
|
|
*/
|
|
|
|
#if !defined(__HFI1_TRACE_EXTRA_H) || defined(TRACE_HEADER_MULTI_READ)
|
|
#define __HFI1_TRACE_EXTRA_H
|
|
|
|
#include <linux/tracepoint.h>
|
|
#include <linux/trace_seq.h>
|
|
|
|
#include "hfi.h"
|
|
|
|
/*
|
|
* Note:
|
|
* This produces a REALLY ugly trace in the console output when the string is
|
|
* too long.
|
|
*/
|
|
|
|
#undef TRACE_SYSTEM
|
|
#define TRACE_SYSTEM hfi1_dbg
|
|
|
|
#define MAX_MSG_LEN 512
|
|
|
|
DECLARE_EVENT_CLASS(hfi1_trace_template,
|
|
TP_PROTO(const char *function, struct va_format *vaf),
|
|
TP_ARGS(function, vaf),
|
|
TP_STRUCT__entry(__string(function, function)
|
|
__dynamic_array(char, msg, MAX_MSG_LEN)
|
|
),
|
|
TP_fast_assign(__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) %s",
|
|
__get_str(function),
|
|
__get_str(msg))
|
|
);
|
|
|
|
/*
|
|
* It may be nice to macroize the __hfi1_trace but the va_* stuff requires an
|
|
* actual function to work and can not be in a macro.
|
|
*/
|
|
#define __hfi1_trace_def(lvl) \
|
|
void __printf(2, 3) __hfi1_trace_##lvl(const char *funct, char *fmt, ...); \
|
|
\
|
|
DEFINE_EVENT(hfi1_trace_template, hfi1_ ##lvl, \
|
|
TP_PROTO(const char *function, struct va_format *vaf), \
|
|
TP_ARGS(function, vaf))
|
|
|
|
#define __hfi1_trace_fn(lvl) \
|
|
void __printf(2, 3) __hfi1_trace_##lvl(const char *func, char *fmt, ...)\
|
|
{ \
|
|
struct va_format vaf = { \
|
|
.fmt = fmt, \
|
|
}; \
|
|
va_list args; \
|
|
\
|
|
va_start(args, fmt); \
|
|
vaf.va = &args; \
|
|
trace_hfi1_ ##lvl(func, &vaf); \
|
|
va_end(args); \
|
|
return; \
|
|
}
|
|
|
|
/*
|
|
* To create a new trace level simply define it below and as a __hfi1_trace_fn
|
|
* in trace.c. This will create all the hooks for calling
|
|
* hfi1_cdbg(LVL, fmt, ...); as well as take care of all
|
|
* the debugfs stuff.
|
|
*/
|
|
__hfi1_trace_def(AFFINITY);
|
|
__hfi1_trace_def(PKT);
|
|
__hfi1_trace_def(PROC);
|
|
__hfi1_trace_def(SDMA);
|
|
__hfi1_trace_def(LINKVERB);
|
|
__hfi1_trace_def(DEBUG);
|
|
__hfi1_trace_def(SNOOP);
|
|
__hfi1_trace_def(CNTR);
|
|
__hfi1_trace_def(PIO);
|
|
__hfi1_trace_def(DC8051);
|
|
__hfi1_trace_def(FIRMWARE);
|
|
__hfi1_trace_def(RCVCTRL);
|
|
__hfi1_trace_def(TID);
|
|
__hfi1_trace_def(MMU);
|
|
__hfi1_trace_def(IOCTL);
|
|
|
|
#define hfi1_cdbg(which, fmt, ...) \
|
|
__hfi1_trace_##which(__func__, fmt, ##__VA_ARGS__)
|
|
|
|
#define hfi1_dbg(fmt, ...) \
|
|
hfi1_cdbg(DEBUG, fmt, ##__VA_ARGS__)
|
|
|
|
/*
|
|
* Define HFI1_EARLY_DBG at compile time or here to enable early trace
|
|
* messages. Do not check in an enablement for this.
|
|
*/
|
|
|
|
#ifdef HFI1_EARLY_DBG
|
|
#define hfi1_dbg_early(fmt, ...) \
|
|
trace_printk(fmt, ##__VA_ARGS__)
|
|
#else
|
|
#define hfi1_dbg_early(fmt, ...)
|
|
#endif
|
|
|
|
#endif /* __HFI1_TRACE_EXTRA_H */
|
|
|
|
#undef TRACE_INCLUDE_PATH
|
|
#undef TRACE_INCLUDE_FILE
|
|
#define TRACE_INCLUDE_PATH .
|
|
#define TRACE_INCLUDE_FILE trace_dbg
|
|
#include <trace/define_trace.h>
|