Commit | Line | Data |
---|---|---|
5995a6a4 JA |
1 | #ifndef FIO_IOLOG_H |
2 | #define FIO_IOLOG_H | |
3 | ||
c7c6cb4c | 4 | #include "lib/ieee754.h" |
802ad4a8 | 5 | |
5995a6a4 JA |
6 | /* |
7 | * Use for maintaining statistics | |
8 | */ | |
9 | struct io_stat { | |
7b9f733a JA |
10 | uint64_t max_val; |
11 | uint64_t min_val; | |
12 | uint64_t samples; | |
5995a6a4 | 13 | |
802ad4a8 JA |
14 | fio_fp64_t mean; |
15 | fio_fp64_t S; | |
5995a6a4 JA |
16 | }; |
17 | ||
18 | /* | |
19 | * A single data sample | |
20 | */ | |
21 | struct io_sample { | |
22 | unsigned long time; | |
23 | unsigned long val; | |
24 | enum fio_ddir ddir; | |
25 | unsigned int bs; | |
26 | }; | |
27 | ||
28 | /* | |
29 | * Dynamically growing data sample log | |
30 | */ | |
31 | struct io_log { | |
b8bc8cba JA |
32 | /* |
33 | * Entries already logged | |
34 | */ | |
5995a6a4 JA |
35 | unsigned long nr_samples; |
36 | unsigned long max_samples; | |
37 | struct io_sample *log; | |
b8bc8cba JA |
38 | |
39 | /* | |
40 | * Windowed average, for logging single entries average over some | |
41 | * period of time. | |
42 | */ | |
6eaf09d6 | 43 | struct io_stat avg_window[DDIR_RWDIR_CNT]; |
b8bc8cba JA |
44 | unsigned long avg_msec; |
45 | unsigned long avg_last; | |
5995a6a4 JA |
46 | }; |
47 | ||
0d29de83 JA |
48 | enum { |
49 | IP_F_ONRB = 1, | |
50 | IP_F_ONLIST = 2, | |
51 | IP_F_TRIMMED = 4, | |
52 | }; | |
53 | ||
5995a6a4 JA |
54 | /* |
55 | * When logging io actions, this matches a single sent io_u | |
56 | */ | |
57 | struct io_piece { | |
58 | union { | |
59 | struct rb_node rb_node; | |
60 | struct flist_head list; | |
61 | }; | |
0d29de83 | 62 | struct flist_head trim_list; |
5995a6a4 JA |
63 | union { |
64 | int fileno; | |
65 | struct fio_file *file; | |
66 | }; | |
67 | unsigned long long offset; | |
68 | unsigned long len; | |
a917a8b3 | 69 | unsigned int flags; |
5995a6a4 JA |
70 | enum fio_ddir ddir; |
71 | union { | |
72 | unsigned long delay; | |
73 | unsigned int file_action; | |
74 | }; | |
75 | }; | |
76 | ||
77 | /* | |
78 | * Log exports | |
79 | */ | |
80 | enum file_log_act { | |
81 | FIO_LOG_ADD_FILE, | |
82 | FIO_LOG_OPEN_FILE, | |
83 | FIO_LOG_CLOSE_FILE, | |
84 | FIO_LOG_UNLINK_FILE, | |
85 | }; | |
86 | ||
87 | extern int __must_check read_iolog_get(struct thread_data *, struct io_u *); | |
88 | extern void log_io_u(struct thread_data *, struct io_u *); | |
89 | extern void log_file(struct thread_data *, struct fio_file *, enum file_log_act); | |
90 | extern int __must_check init_iolog(struct thread_data *td); | |
91 | extern void log_io_piece(struct thread_data *, struct io_u *); | |
92 | extern void queue_io_piece(struct thread_data *, struct io_piece *); | |
93 | extern void prune_io_piece_log(struct thread_data *); | |
94 | extern void write_iolog_close(struct thread_data *); | |
95 | ||
96 | /* | |
97 | * Logging | |
98 | */ | |
02af0988 JA |
99 | extern void add_lat_sample(struct thread_data *, enum fio_ddir, unsigned long, |
100 | unsigned int); | |
5995a6a4 JA |
101 | extern void add_clat_sample(struct thread_data *, enum fio_ddir, unsigned long, |
102 | unsigned int); | |
103 | extern void add_slat_sample(struct thread_data *, enum fio_ddir, unsigned long, | |
104 | unsigned int); | |
105 | extern void add_bw_sample(struct thread_data *, enum fio_ddir, unsigned int, | |
106 | struct timeval *); | |
c8eeb9df | 107 | extern void add_iops_sample(struct thread_data *, enum fio_ddir, struct timeval *); |
5995a6a4 JA |
108 | extern void init_disk_util(struct thread_data *); |
109 | extern void update_rusage_stat(struct thread_data *); | |
b8bc8cba | 110 | extern void setup_log(struct io_log **, unsigned long); |
5995a6a4 JA |
111 | extern void finish_log(struct thread_data *, struct io_log *, const char *); |
112 | extern void finish_log_named(struct thread_data *, struct io_log *, const char *, const char *); | |
113 | extern void __finish_log(struct io_log *, const char *); | |
6eaf09d6 | 114 | extern struct io_log *agg_io_log[DDIR_RWDIR_CNT]; |
5995a6a4 JA |
115 | extern int write_bw_log; |
116 | extern void add_agg_sample(unsigned long, enum fio_ddir, unsigned int); | |
117 | ||
0d29de83 JA |
118 | static inline void init_ipo(struct io_piece *ipo) |
119 | { | |
120 | memset(ipo, 0, sizeof(*ipo)); | |
121 | INIT_FLIST_HEAD(&ipo->trim_list); | |
122 | } | |
123 | ||
5995a6a4 | 124 | #endif |