LXR linux/drivers/net/wireless/broadcom/brcm80211/brcmsmac/brcms_trace_brcmsmac

   1/*
   2 * Copyright (c) 2011 Broadcom Corporation
   3 *
   4 * Permission to use, copy, modify, and/or distribute this software for any
   5 * purpose with or without fee is hereby granted, provided that the above
   6 * copyright notice and this permission notice appear in all copies.
   7 *
   8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
  11 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
  13 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
  14 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  15 */
  16
  17#if !defined(__TRACE_BRCMSMAC_MSG_H) || defined(TRACE_HEADER_MULTI_READ)
  18#define __TRACE_BRCMSMAC_MSG_H
  19
  20#include <linux/tracepoint.h>
  21
  22#undef TRACE_SYSTEM
  23#define TRACE_SYSTEM brcmsmac_msg
  24
  25#define MAX_MSG_LEN     100
  26
  27DECLARE_EVENT_CLASS(brcms_msg_event,
  28        TP_PROTO(struct va_format *vaf),
  29        TP_ARGS(vaf),
  30        TP_STRUCT__entry(
  31                __dynamic_array(char, msg, MAX_MSG_LEN)
  32        ),
  33        TP_fast_assign(
  34                WARN_ON_ONCE(vsnprintf(__get_dynamic_array(msg),
  35                                       MAX_MSG_LEN, vaf->fmt,
  36                                       *vaf->va) >= MAX_MSG_LEN);
  37        ),
  38        TP_printk("%s", __get_str(msg))
  39);
  40
  41DEFINE_EVENT(brcms_msg_event, brcms_info,
  42        TP_PROTO(struct va_format *vaf),
  43        TP_ARGS(vaf)
  44);
  45
  46DEFINE_EVENT(brcms_msg_event, brcms_warn,
  47        TP_PROTO(struct va_format *vaf),
  48        TP_ARGS(vaf)
  49);
  50
  51DEFINE_EVENT(brcms_msg_event, brcms_err,
  52        TP_PROTO(struct va_format *vaf),
  53        TP_ARGS(vaf)
  54);
  55
  56DEFINE_EVENT(brcms_msg_event, brcms_crit,
  57        TP_PROTO(struct va_format *vaf),
  58        TP_ARGS(vaf)
  59);
  60
  61TRACE_EVENT(brcms_dbg,
  62        TP_PROTO(u32 level, const char *func, struct va_format *vaf),
  63        TP_ARGS(level, func, vaf),
  64        TP_STRUCT__entry(
  65                __field(u32, level)
  66                __string(func, func)
  67                __dynamic_array(char, msg, MAX_MSG_LEN)
  68        ),
  69        TP_fast_assign(
  70                __entry->level = level;
  71                __assign_str(func, func);
  72                WARN_ON_ONCE(vsnprintf(__get_dynamic_array(msg),
  73                                       MAX_MSG_LEN, vaf->fmt,
  74                                       *vaf->va) >= MAX_MSG_LEN);
  75        ),
  76        TP_printk("%s: %s", __get_str(func), __get_str(msg))
  77);
  78#endif /* __TRACE_BRCMSMAC_MSG_H */
  79
  80#ifdef CONFIG_BRCM_TRACING
  81
  82#undef TRACE_INCLUDE_PATH
  83#define TRACE_INCLUDE_PATH .
  84#undef TRACE_INCLUDE_FILE
  85#define TRACE_INCLUDE_FILE brcms_trace_brcmsmac_msg
  86#include <trace/define_trace.h>
  87
  88#endif /* CONFIG_BRCM_TRACING */
  89