LXR linux/drivers/base/trace.h

   1/* SPDX-License-Identifier: GPL-2.0 */
   2/*
   3 * Device core Trace Support
   4 * Copyright (C) 2021, Intel Corporation
   5 *
   6 * Author: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
   7 */
   8
   9#undef TRACE_SYSTEM
  10#define TRACE_SYSTEM dev
  11
  12#if !defined(__DEV_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
  13#define __DEV_TRACE_H
  14
  15#include <linux/device.h>
  16#include <linux/tracepoint.h>
  17#include <linux/types.h>
  18
  19DECLARE_EVENT_CLASS(devres,
  20        TP_PROTO(struct device *dev, const char *op, void *node, const char *name, size_t size),
  21        TP_ARGS(dev, op, node, name, size),
  22        TP_STRUCT__entry(
  23                __string(devname, dev_name(dev))
  24                __field(struct device *, dev)
  25                __field(const char *, op)
  26                __field(void *, node)
  27                __field(const char *, name)
  28                __field(size_t, size)
  29        ),
  30        TP_fast_assign(
  31                __assign_str(devname, dev_name(dev));
  32                __entry->op = op;
  33                __entry->node = node;
  34                __entry->name = name;
  35                __entry->size = size;
  36        ),
  37        TP_printk("%s %3s %p %s (%zu bytes)", __get_str(devname),
  38                  __entry->op, __entry->node, __entry->name, __entry->size)
  39);
  40
  41DEFINE_EVENT(devres, devres_log,
  42        TP_PROTO(struct device *dev, const char *op, void *node, const char *name, size_t size),
  43        TP_ARGS(dev, op, node, name, size)
  44);
  45
  46#endif /* __DEV_TRACE_H */
  47
  48/* this part has to be here */
  49
  50#undef TRACE_INCLUDE_PATH
  51#define TRACE_INCLUDE_PATH .
  52
  53#undef TRACE_INCLUDE_FILE
  54#define TRACE_INCLUDE_FILE trace
  55
  56#include <trace/define_trace.h>
  57