LXR linux/drivers/net/wireless/ath/trace.h

   1/*
   2 * Copyright (c) 2014 Qualcomm Atheros, Inc.
   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
  11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  15 */
  16
  17#if !defined(_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
  18#define _TRACE_H
  19
  20#include <linux/tracepoint.h>
  21#include "ath.h"
  22
  23#undef TRACE_SYSTEM
  24#define TRACE_SYSTEM ath
  25
  26#if !defined(CONFIG_ATH_TRACEPOINTS)
  27
  28#undef TRACE_EVENT
  29#define TRACE_EVENT(name, proto, ...) static inline void trace_ ## name(proto) {}
  30
  31#endif /* CONFIG_ATH_TRACEPOINTS */
  32
  33TRACE_EVENT(ath_log,
  34
  35            TP_PROTO(struct wiphy *wiphy,
  36                     struct va_format *vaf),
  37
  38            TP_ARGS(wiphy, vaf),
  39
  40            TP_STRUCT__entry(
  41                    __string(device, wiphy_name(wiphy))
  42                    __string(driver, KBUILD_MODNAME)
  43                    __dynamic_array(char, msg, ATH_DBG_MAX_LEN)
  44            ),
  45
  46            TP_fast_assign(
  47                    __assign_str(device, wiphy_name(wiphy));
  48                    __assign_str(driver, KBUILD_MODNAME);
  49                    WARN_ON_ONCE(vsnprintf(__get_dynamic_array(msg),
  50                                           ATH_DBG_MAX_LEN,
  51                                           vaf->fmt,
  52                                           *vaf->va) >= ATH_DBG_MAX_LEN);
  53            ),
  54
  55            TP_printk(
  56                    "%s %s %s",
  57                    __get_str(driver),
  58                    __get_str(device),
  59                    __get_str(msg)
  60            )
  61);
  62
  63#endif /* _TRACE_H || TRACE_HEADER_MULTI_READ */
  64
  65#undef TRACE_INCLUDE_PATH
  66#define TRACE_INCLUDE_PATH .
  67#undef TRACE_INCLUDE_FILE
  68#define TRACE_INCLUDE_FILE trace
  69
  70/* This part must be outside protection */
  71#include <trace/define_trace.h>
  72