1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Copyright (c) 2020 Facebook */
4 #define TRACE_SYSTEM bpf_testmod
6 #if !defined(_BPF_TESTMOD_EVENTS_H) || defined(TRACE_HEADER_MULTI_READ)
7 #define _BPF_TESTMOD_EVENTS_H
9 #include <linux/tracepoint.h>
10 #include "bpf_testmod.h"
12 TRACE_EVENT(bpf_testmod_test_read,
13 TP_PROTO(struct task_struct *task, struct bpf_testmod_test_read_ctx *ctx),
17 __array(char, comm, TASK_COMM_LEN)
22 __entry->pid = task->pid;
23 memcpy(__entry->comm, task->comm, TASK_COMM_LEN);
24 __entry->off = ctx->off;
25 __entry->len = ctx->len;
27 TP_printk("pid=%d comm=%s off=%llu len=%zu",
28 __entry->pid, __entry->comm, __entry->off, __entry->len)
31 /* A bare tracepoint with no event associated with it */
32 DECLARE_TRACE(bpf_testmod_test_write_bare,
33 TP_PROTO(struct task_struct *task, struct bpf_testmod_test_write_ctx *ctx),
37 /* Used in bpf_testmod_test_read() to test __nullable suffix */
38 DECLARE_TRACE(bpf_testmod_test_nullable_bare,
39 TP_PROTO(struct bpf_testmod_test_read_ctx *ctx__nullable),
40 TP_ARGS(ctx__nullable)
45 DECLARE_TRACE(bpf_testmod_test_raw_tp_null,
46 TP_PROTO(struct sk_buff *skb),
51 #undef BPF_TESTMOD_DECLARE_TRACE
52 #ifdef DECLARE_TRACE_WRITABLE
53 #define BPF_TESTMOD_DECLARE_TRACE(call, proto, args, size) \
54 DECLARE_TRACE_WRITABLE(call, PARAMS(proto), PARAMS(args), size)
56 #define BPF_TESTMOD_DECLARE_TRACE(call, proto, args, size) \
57 DECLARE_TRACE(call, PARAMS(proto), PARAMS(args))
60 BPF_TESTMOD_DECLARE_TRACE(bpf_testmod_test_writable_bare,
61 TP_PROTO(struct bpf_testmod_test_writable_ctx *ctx),
63 sizeof(struct bpf_testmod_test_writable_ctx)
66 #endif /* _BPF_TESTMOD_EVENTS_H */
68 #undef TRACE_INCLUDE_PATH
69 #define TRACE_INCLUDE_PATH .
70 #define TRACE_INCLUDE_FILE bpf_testmod-events
71 #include <trace/define_trace.h>