]> Git Repo - J-linux.git/blob - tools/testing/selftests/bpf/bpf_testmod/bpf_testmod-events.h
Merge tag 'vfs-6.13-rc7.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
[J-linux.git] / tools / testing / selftests / bpf / bpf_testmod / bpf_testmod-events.h
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
12 TRACE_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 */
32 DECLARE_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 */
38 DECLARE_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 struct sk_buff;
44
45 DECLARE_TRACE(bpf_testmod_test_raw_tp_null,
46         TP_PROTO(struct sk_buff *skb),
47         TP_ARGS(skb)
48 );
49
50
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)
55 #else
56 #define BPF_TESTMOD_DECLARE_TRACE(call, proto, args, size) \
57         DECLARE_TRACE(call, PARAMS(proto), PARAMS(args))
58 #endif
59
60 BPF_TESTMOD_DECLARE_TRACE(bpf_testmod_test_writable_bare,
61         TP_PROTO(struct bpf_testmod_test_writable_ctx *ctx),
62         TP_ARGS(ctx),
63         sizeof(struct bpf_testmod_test_writable_ctx)
64 );
65
66 #endif /* _BPF_TESTMOD_EVENTS_H */
67
68 #undef TRACE_INCLUDE_PATH
69 #define TRACE_INCLUDE_PATH .
70 #define TRACE_INCLUDE_FILE bpf_testmod-events
71 #include <trace/define_trace.h>
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