LXR linux/tools/testing/selftests/bpf/bpf_testmod/bpf

   1/* SPDX-License-Identifier: GPL-2.0 */
   2/* Copyright (c) 2020 Facebook */
   3#undef TRACE_SYSTEM
   4#define TRACE_SYSTEM bpf_testmod
   5
   6#if !defined(_BPF_TESTMOD_EVENTS_H) || defined(TRACE_HEADER_MULTI_READ)
   7#define _BPF_TESTMOD_EVENTS_H
   8
   9#include <linux/tracepoint.h>
  10#include "bpf_testmod.h"
  11
  12TRACE_EVENT(bpf_testmod_test_read,
  13        TP_PROTO(struct task_struct *task, struct bpf_testmod_test_read_ctx *ctx),
  14        TP_ARGS(task, ctx),
  15        TP_STRUCT__entry(
  16                __field(pid_t, pid)
  17                __array(char, comm, TASK_COMM_LEN)
  18                __field(loff_t, off)
  19                __field(size_t, len)
  20        ),
  21        TP_fast_assign(
  22                __entry->pid = task->pid;
  23                memcpy(__entry->comm, task->comm, TASK_COMM_LEN);
  24                __entry->off = ctx->off;
  25                __entry->len = ctx->len;
  26        ),
  27        TP_printk("pid=%d comm=%s off=%llu len=%zu",
  28                  __entry->pid, __entry->comm, __entry->off, __entry->len)
  29);
  30
  31/* A bare tracepoint with no event associated with it */
  32DECLARE_TRACE(bpf_testmod_test_write_bare,
  33        TP_PROTO(struct task_struct *task, struct bpf_testmod_test_write_ctx *ctx),
  34        TP_ARGS(task, ctx)
  35);
  36
  37#endif /* _BPF_TESTMOD_EVENTS_H */
  38
  39#undef TRACE_INCLUDE_PATH
  40#define TRACE_INCLUDE_PATH .
  41#define TRACE_INCLUDE_FILE bpf_testmod-events
  42#include <trace/define_trace.h>
  43