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gerrit-public.fairphone.software / kernel / msm-4.9 / 124d80b52f10a6452a4e8c645b62380e163f6a76 / . / fs / f2fs / trace.h
blob: e8075fc5b2284e9a00564d4d416c4115ef1df566 [file] [log] [blame]
Chao Yu6d1a8322018-09-12 09:16:07 +0800[diff] [blame]1// SPDX-License-Identifier: GPL-2.0
Jaegeuk Kim63f92dd2014-12-17 19:45:05 -0800[diff] [blame]2/*
3 * f2fs IO tracer
4 *
5 * Copyright (c) 2014 Motorola Mobility
6 * Copyright (c) 2014 Jaegeuk Kim <jaegeuk@kernel.org>
Jaegeuk Kim63f92dd2014-12-17 19:45:05 -0800[diff] [blame]7 */
8#ifndef __F2FS_TRACE_H__
9#define __F2FS_TRACE_H__
10
11#ifdef CONFIG_F2FS_IO_TRACE
12#include <trace/events/f2fs.h>
13
Jaegeuk Kim0e689d02014-12-17 19:51:57 -0800[diff] [blame]14enum file_type {
15 __NORMAL_FILE,
16 __DIR_FILE,
17 __NODE_FILE,
18 __META_FILE,
19 __ATOMIC_FILE,
20 __VOLATILE_FILE,
21 __MISC_FILE,
22};
23
24struct last_io_info {
25 int major, minor;
26 pid_t pid;
27 enum file_type type;
28 struct f2fs_io_info fio;
29 block_t len;
30};
31
Jaegeuk Kim63f92dd2014-12-17 19:45:05 -0800[diff] [blame]32extern void f2fs_trace_pid(struct page *);
Jaegeuk Kim05ca3632015-04-23 14:38:15 -0700[diff] [blame]33extern void f2fs_trace_ios(struct f2fs_io_info *, int);
Jaegeuk Kimc0508652015-01-07 14:07:36 -0800[diff] [blame]34extern void f2fs_build_trace_ios(void);
Jaegeuk Kim351f4fb2015-01-07 14:09:48 -0800[diff] [blame]35extern void f2fs_destroy_trace_ios(void);
Jaegeuk Kim63f92dd2014-12-17 19:45:05 -0800[diff] [blame]36#else
37#define f2fs_trace_pid(p)
Jaegeuk Kim05ca3632015-04-23 14:38:15 -0700[diff] [blame]38#define f2fs_trace_ios(i, n)
Jaegeuk Kimc0508652015-01-07 14:07:36 -0800[diff] [blame]39#define f2fs_build_trace_ios()
Jaegeuk Kim351f4fb2015-01-07 14:09:48 -0800[diff] [blame]40#define f2fs_destroy_trace_ios()
Jaegeuk Kim63f92dd2014-12-17 19:45:05 -0800[diff] [blame]41
42#endif
43#endif /* __F2FS_TRACE_H__ */