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1/* SPDX-License-Identifier: GPL-2.0 */2/* Copyright (c) 2020 Facebook */3#undef TRACE_SYSTEM4#define TRACE_SYSTEM bpf_testmod5 6#if !defined(_BPF_TESTMOD_EVENTS_H) || defined(TRACE_HEADER_MULTI_READ)7#define _BPF_TESTMOD_EVENTS_H8 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/* Used in bpf_testmod_test_read() to test __nullable suffix */38DECLARE_TRACE(bpf_testmod_test_nullable_bare,39 TP_PROTO(struct bpf_testmod_test_read_ctx *ctx__nullable),40 TP_ARGS(ctx__nullable)41);42 43#undef BPF_TESTMOD_DECLARE_TRACE44#ifdef DECLARE_TRACE_WRITABLE45#define BPF_TESTMOD_DECLARE_TRACE(call, proto, args, size) \46 DECLARE_TRACE_WRITABLE(call, PARAMS(proto), PARAMS(args), size)47#else48#define BPF_TESTMOD_DECLARE_TRACE(call, proto, args, size) \49 DECLARE_TRACE(call, PARAMS(proto), PARAMS(args))50#endif51 52BPF_TESTMOD_DECLARE_TRACE(bpf_testmod_test_writable_bare,53 TP_PROTO(struct bpf_testmod_test_writable_ctx *ctx),54 TP_ARGS(ctx),55 sizeof(struct bpf_testmod_test_writable_ctx)56);57 58#endif /* _BPF_TESTMOD_EVENTS_H */59 60#undef TRACE_INCLUDE_PATH61#define TRACE_INCLUDE_PATH .62#define TRACE_INCLUDE_FILE bpf_testmod-events63#include <trace/define_trace.h>64