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5995a6a4 JA |
1 | #ifndef FIO_IOLOG_H |
2 | #define FIO_IOLOG_H | |
3 | ||
05775438 | 4 | #include "lib/rbtree.h" |
c7c6cb4c | 5 | #include "lib/ieee754.h" |
836fcc0f | 6 | #include "flist.h" |
ec41265e | 7 | #include "ioengine.h" |
802ad4a8 | 8 | |
5995a6a4 JA |
9 | /* |
10 | * Use for maintaining statistics | |
11 | */ | |
12 | struct io_stat { | |
7b9f733a JA |
13 | uint64_t max_val; |
14 | uint64_t min_val; | |
15 | uint64_t samples; | |
5995a6a4 | 16 | |
802ad4a8 JA |
17 | fio_fp64_t mean; |
18 | fio_fp64_t S; | |
5995a6a4 JA |
19 | }; |
20 | ||
21 | /* | |
22 | * A single data sample | |
23 | */ | |
24 | struct io_sample { | |
1b42725f JA |
25 | uint64_t time; |
26 | uint64_t val; | |
b26317c9 | 27 | uint32_t __ddir; |
1b42725f | 28 | uint32_t bs; |
5995a6a4 JA |
29 | }; |
30 | ||
ae588852 JA |
31 | struct io_sample_offset { |
32 | struct io_sample s; | |
33 | uint64_t offset; | |
34 | }; | |
35 | ||
ea51b956 JA |
36 | enum { |
37 | IO_LOG_TYPE_LAT = 1, | |
38 | IO_LOG_TYPE_CLAT, | |
39 | IO_LOG_TYPE_SLAT, | |
40 | IO_LOG_TYPE_BW, | |
41 | IO_LOG_TYPE_IOPS, | |
42 | }; | |
43 | ||
5995a6a4 JA |
44 | /* |
45 | * Dynamically growing data sample log | |
46 | */ | |
47 | struct io_log { | |
b8bc8cba JA |
48 | /* |
49 | * Entries already logged | |
50 | */ | |
3c865f32 JA |
51 | uint64_t nr_samples; |
52 | uint64_t max_samples; | |
ae588852 | 53 | void *log; |
b8bc8cba | 54 | |
b26317c9 JA |
55 | unsigned int log_ddir_mask; |
56 | ||
cb7e0ace JA |
57 | char *filename; |
58 | ||
aee2ab67 JA |
59 | struct thread_data *td; |
60 | ||
1b42725f | 61 | unsigned int log_type; |
ea51b956 | 62 | |
3c568239 JA |
63 | /* |
64 | * If we fail extending the log, stop collecting more entries. | |
65 | */ | |
66 | unsigned int disabled; | |
67 | ||
ae588852 JA |
68 | /* |
69 | * Log offsets | |
70 | */ | |
71 | unsigned int log_offset; | |
72 | ||
aee2ab67 JA |
73 | /* |
74 | * Max size of log entries before a chunk is compressed | |
75 | */ | |
76 | unsigned int log_gz; | |
77 | ||
b26317c9 JA |
78 | /* |
79 | * Don't deflate for storing, just store the compressed bits | |
80 | */ | |
81 | unsigned int log_gz_store; | |
82 | ||
b8bc8cba JA |
83 | /* |
84 | * Windowed average, for logging single entries average over some | |
85 | * period of time. | |
86 | */ | |
6eaf09d6 | 87 | struct io_stat avg_window[DDIR_RWDIR_CNT]; |
b8bc8cba JA |
88 | unsigned long avg_msec; |
89 | unsigned long avg_last; | |
aee2ab67 JA |
90 | |
91 | pthread_mutex_t chunk_lock; | |
92 | unsigned int chunk_seq; | |
93 | struct flist_head chunk_list; | |
5995a6a4 JA |
94 | }; |
95 | ||
b26317c9 JA |
96 | #define io_sample_ddir(io) ((io)->__ddir & ~0x80000000U) |
97 | ||
98 | static inline void io_sample_set_ddir(struct io_log *log, | |
99 | struct io_sample *io, | |
100 | enum fio_ddir ddir) | |
101 | { | |
102 | io->__ddir = ddir | log->log_ddir_mask; | |
103 | } | |
104 | ||
ae588852 JA |
105 | static inline size_t __log_entry_sz(int log_offset) |
106 | { | |
107 | if (log_offset) | |
108 | return sizeof(struct io_sample_offset); | |
109 | else | |
110 | return sizeof(struct io_sample); | |
111 | } | |
112 | ||
113 | static inline size_t log_entry_sz(struct io_log *log) | |
114 | { | |
115 | return __log_entry_sz(log->log_offset); | |
116 | } | |
117 | ||
118 | static inline struct io_sample *__get_sample(void *samples, int log_offset, | |
119 | uint64_t sample) | |
120 | { | |
121 | return samples + sample * __log_entry_sz(log_offset); | |
122 | } | |
123 | ||
124 | static inline struct io_sample *get_sample(struct io_log *iolog, | |
125 | uint64_t sample) | |
126 | { | |
127 | return __get_sample(iolog->log, iolog->log_offset, sample); | |
128 | } | |
129 | ||
0d29de83 JA |
130 | enum { |
131 | IP_F_ONRB = 1, | |
132 | IP_F_ONLIST = 2, | |
133 | IP_F_TRIMMED = 4, | |
f9401285 | 134 | IP_F_IN_FLIGHT = 8, |
0d29de83 JA |
135 | }; |
136 | ||
5995a6a4 JA |
137 | /* |
138 | * When logging io actions, this matches a single sent io_u | |
139 | */ | |
140 | struct io_piece { | |
141 | union { | |
142 | struct rb_node rb_node; | |
143 | struct flist_head list; | |
144 | }; | |
0d29de83 | 145 | struct flist_head trim_list; |
5995a6a4 JA |
146 | union { |
147 | int fileno; | |
148 | struct fio_file *file; | |
149 | }; | |
150 | unsigned long long offset; | |
da0a7bd2 | 151 | unsigned short numberio; |
5995a6a4 | 152 | unsigned long len; |
a917a8b3 | 153 | unsigned int flags; |
5995a6a4 JA |
154 | enum fio_ddir ddir; |
155 | union { | |
156 | unsigned long delay; | |
157 | unsigned int file_action; | |
158 | }; | |
159 | }; | |
160 | ||
161 | /* | |
162 | * Log exports | |
163 | */ | |
164 | enum file_log_act { | |
165 | FIO_LOG_ADD_FILE, | |
166 | FIO_LOG_OPEN_FILE, | |
167 | FIO_LOG_CLOSE_FILE, | |
168 | FIO_LOG_UNLINK_FILE, | |
169 | }; | |
170 | ||
8062f527 | 171 | struct io_u; |
5995a6a4 JA |
172 | extern int __must_check read_iolog_get(struct thread_data *, struct io_u *); |
173 | extern void log_io_u(struct thread_data *, struct io_u *); | |
174 | extern void log_file(struct thread_data *, struct fio_file *, enum file_log_act); | |
175 | extern int __must_check init_iolog(struct thread_data *td); | |
176 | extern void log_io_piece(struct thread_data *, struct io_u *); | |
890b6656 JA |
177 | extern void unlog_io_piece(struct thread_data *, struct io_u *); |
178 | extern void trim_io_piece(struct thread_data *, struct io_u *); | |
5995a6a4 JA |
179 | extern void queue_io_piece(struct thread_data *, struct io_piece *); |
180 | extern void prune_io_piece_log(struct thread_data *); | |
181 | extern void write_iolog_close(struct thread_data *); | |
182 | ||
b26317c9 JA |
183 | #ifdef CONFIG_ZLIB |
184 | extern int iolog_file_inflate(const char *); | |
185 | #endif | |
186 | ||
5995a6a4 JA |
187 | /* |
188 | * Logging | |
189 | */ | |
aee2ab67 JA |
190 | struct log_params { |
191 | struct thread_data *td; | |
192 | unsigned long avg_msec; | |
193 | int log_type; | |
194 | int log_offset; | |
195 | int log_gz; | |
b26317c9 | 196 | int log_gz_store; |
aee2ab67 JA |
197 | int log_compress; |
198 | }; | |
199 | ||
99007068 | 200 | extern void finalize_logs(struct thread_data *td); |
02af0988 | 201 | extern void add_lat_sample(struct thread_data *, enum fio_ddir, unsigned long, |
ae588852 | 202 | unsigned int, uint64_t); |
5995a6a4 | 203 | extern void add_clat_sample(struct thread_data *, enum fio_ddir, unsigned long, |
ae588852 | 204 | unsigned int, uint64_t); |
5995a6a4 | 205 | extern void add_slat_sample(struct thread_data *, enum fio_ddir, unsigned long, |
ae588852 | 206 | unsigned int, uint64_t); |
5995a6a4 JA |
207 | extern void add_bw_sample(struct thread_data *, enum fio_ddir, unsigned int, |
208 | struct timeval *); | |
9b7e600d EV |
209 | extern void add_iops_sample(struct thread_data *, enum fio_ddir, unsigned int, |
210 | struct timeval *); | |
5995a6a4 JA |
211 | extern void init_disk_util(struct thread_data *); |
212 | extern void update_rusage_stat(struct thread_data *); | |
aee2ab67 JA |
213 | extern void setup_log(struct io_log **, struct log_params *, const char *); |
214 | extern void flush_log(struct io_log *); | |
518dac09 | 215 | extern void free_log(struct io_log *); |
6eaf09d6 | 216 | extern struct io_log *agg_io_log[DDIR_RWDIR_CNT]; |
5995a6a4 JA |
217 | extern int write_bw_log; |
218 | extern void add_agg_sample(unsigned long, enum fio_ddir, unsigned int); | |
905e3d4f | 219 | extern void fio_writeout_logs(struct thread_data *); |
aee2ab67 | 220 | extern int iolog_flush(struct io_log *, int); |
5995a6a4 | 221 | |
0d29de83 JA |
222 | static inline void init_ipo(struct io_piece *ipo) |
223 | { | |
224 | memset(ipo, 0, sizeof(*ipo)); | |
225 | INIT_FLIST_HEAD(&ipo->trim_list); | |
226 | } | |
227 | ||
5995a6a4 | 228 | #endif |