Jens Axboe | 5995a6a | 2009-06-03 08:53:28 +0200 | [diff] [blame] | 1 | #ifndef FIO_IOLOG_H |
| 2 | #define FIO_IOLOG_H |
| 3 | |
Jens Axboe | 0577543 | 2012-03-21 14:07:11 +0100 | [diff] [blame] | 4 | #include "lib/rbtree.h" |
Jens Axboe | c7c6cb4 | 2011-10-13 14:12:40 +0200 | [diff] [blame] | 5 | #include "lib/ieee754.h" |
Jens Axboe | 836fcc0 | 2013-01-24 09:08:45 -0700 | [diff] [blame] | 6 | #include "flist.h" |
Jens Axboe | ec41265 | 2012-03-08 12:37:31 +0100 | [diff] [blame] | 7 | #include "ioengine.h" |
Jens Axboe | 802ad4a | 2011-10-05 09:51:58 +0200 | [diff] [blame] | 8 | |
Jens Axboe | 5995a6a | 2009-06-03 08:53:28 +0200 | [diff] [blame] | 9 | /* |
| 10 | * Use for maintaining statistics |
| 11 | */ |
| 12 | struct io_stat { |
Jens Axboe | 7b9f733 | 2011-10-03 10:06:44 +0200 | [diff] [blame] | 13 | uint64_t max_val; |
| 14 | uint64_t min_val; |
| 15 | uint64_t samples; |
Jens Axboe | 5995a6a | 2009-06-03 08:53:28 +0200 | [diff] [blame] | 16 | |
Jens Axboe | 802ad4a | 2011-10-05 09:51:58 +0200 | [diff] [blame] | 17 | fio_fp64_t mean; |
| 18 | fio_fp64_t S; |
Jens Axboe | 5995a6a | 2009-06-03 08:53:28 +0200 | [diff] [blame] | 19 | }; |
| 20 | |
| 21 | /* |
| 22 | * A single data sample |
| 23 | */ |
| 24 | struct io_sample { |
Jens Axboe | 1b42725 | 2012-03-14 15:03:03 +0100 | [diff] [blame] | 25 | uint64_t time; |
| 26 | uint64_t val; |
Jens Axboe | bac4af1 | 2014-07-03 13:42:28 -0600 | [diff] [blame] | 27 | uint32_t __ddir; |
Jens Axboe | 1b42725 | 2012-03-14 15:03:03 +0100 | [diff] [blame] | 28 | uint32_t bs; |
Jens Axboe | 5995a6a | 2009-06-03 08:53:28 +0200 | [diff] [blame] | 29 | }; |
| 30 | |
Jens Axboe | ccefd5f | 2014-06-30 20:59:03 -0600 | [diff] [blame] | 31 | struct io_sample_offset { |
| 32 | struct io_sample s; |
| 33 | uint64_t offset; |
| 34 | }; |
| 35 | |
Jens Axboe | ea51b95 | 2012-03-14 11:39:13 +0100 | [diff] [blame] | 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 | |
Jens Axboe | 5995a6a | 2009-06-03 08:53:28 +0200 | [diff] [blame] | 44 | /* |
| 45 | * Dynamically growing data sample log |
| 46 | */ |
| 47 | struct io_log { |
Jens Axboe | b8bc8cb | 2011-12-01 09:04:31 +0100 | [diff] [blame] | 48 | /* |
| 49 | * Entries already logged |
| 50 | */ |
Jens Axboe | f2b9a67 | 2014-07-01 08:47:11 -0600 | [diff] [blame] | 51 | uint64_t nr_samples; |
| 52 | uint64_t max_samples; |
Jens Axboe | ccefd5f | 2014-06-30 20:59:03 -0600 | [diff] [blame] | 53 | void *log; |
Jens Axboe | b8bc8cb | 2011-12-01 09:04:31 +0100 | [diff] [blame] | 54 | |
Jens Axboe | bac4af1 | 2014-07-03 13:42:28 -0600 | [diff] [blame] | 55 | unsigned int log_ddir_mask; |
| 56 | |
Jens Axboe | 987c4f4 | 2014-07-01 16:29:12 -0600 | [diff] [blame] | 57 | char *filename; |
| 58 | |
Jens Axboe | 38a812d | 2014-07-03 09:10:39 -0600 | [diff] [blame] | 59 | struct thread_data *td; |
| 60 | |
Jens Axboe | 1b42725 | 2012-03-14 15:03:03 +0100 | [diff] [blame] | 61 | unsigned int log_type; |
Jens Axboe | ea51b95 | 2012-03-14 11:39:13 +0100 | [diff] [blame] | 62 | |
Jens Axboe | b8bc8cb | 2011-12-01 09:04:31 +0100 | [diff] [blame] | 63 | /* |
Jens Axboe | 3c56823 | 2013-09-30 12:17:34 -0600 | [diff] [blame] | 64 | * If we fail extending the log, stop collecting more entries. |
| 65 | */ |
| 66 | unsigned int disabled; |
| 67 | |
| 68 | /* |
Jens Axboe | ccefd5f | 2014-06-30 20:59:03 -0600 | [diff] [blame] | 69 | * Log offsets |
| 70 | */ |
| 71 | unsigned int log_offset; |
| 72 | |
| 73 | /* |
Jens Axboe | 38a812d | 2014-07-03 09:10:39 -0600 | [diff] [blame] | 74 | * Max size of log entries before a chunk is compressed |
| 75 | */ |
| 76 | unsigned int log_gz; |
| 77 | |
| 78 | /* |
Jens Axboe | bac4af1 | 2014-07-03 13:42:28 -0600 | [diff] [blame] | 79 | * Don't deflate for storing, just store the compressed bits |
| 80 | */ |
| 81 | unsigned int log_gz_store; |
| 82 | |
| 83 | /* |
Jens Axboe | b8bc8cb | 2011-12-01 09:04:31 +0100 | [diff] [blame] | 84 | * Windowed average, for logging single entries average over some |
| 85 | * period of time. |
| 86 | */ |
Shaohua Li | 6eaf09d | 2012-09-14 08:49:43 +0200 | [diff] [blame] | 87 | struct io_stat avg_window[DDIR_RWDIR_CNT]; |
Jens Axboe | b8bc8cb | 2011-12-01 09:04:31 +0100 | [diff] [blame] | 88 | unsigned long avg_msec; |
| 89 | unsigned long avg_last; |
Jens Axboe | 38a812d | 2014-07-03 09:10:39 -0600 | [diff] [blame] | 90 | |
| 91 | pthread_mutex_t chunk_lock; |
| 92 | unsigned int chunk_seq; |
| 93 | struct flist_head chunk_list; |
Jens Axboe | 5995a6a | 2009-06-03 08:53:28 +0200 | [diff] [blame] | 94 | }; |
| 95 | |
Jens Axboe | 238934c | 2014-07-03 18:01:11 -0600 | [diff] [blame] | 96 | /* |
| 97 | * If the upper bit is set, then we have the offset as well |
| 98 | */ |
| 99 | #define LOG_OFFSET_SAMPLE_BIT 0x80000000U |
| 100 | #define io_sample_ddir(io) ((io)->__ddir & ~LOG_OFFSET_SAMPLE_BIT) |
Jens Axboe | bac4af1 | 2014-07-03 13:42:28 -0600 | [diff] [blame] | 101 | |
| 102 | static inline void io_sample_set_ddir(struct io_log *log, |
| 103 | struct io_sample *io, |
| 104 | enum fio_ddir ddir) |
| 105 | { |
| 106 | io->__ddir = ddir | log->log_ddir_mask; |
| 107 | } |
| 108 | |
Jens Axboe | ccefd5f | 2014-06-30 20:59:03 -0600 | [diff] [blame] | 109 | static inline size_t __log_entry_sz(int log_offset) |
| 110 | { |
| 111 | if (log_offset) |
| 112 | return sizeof(struct io_sample_offset); |
| 113 | else |
| 114 | return sizeof(struct io_sample); |
| 115 | } |
| 116 | |
| 117 | static inline size_t log_entry_sz(struct io_log *log) |
| 118 | { |
| 119 | return __log_entry_sz(log->log_offset); |
| 120 | } |
| 121 | |
| 122 | static inline struct io_sample *__get_sample(void *samples, int log_offset, |
| 123 | uint64_t sample) |
| 124 | { |
| 125 | return samples + sample * __log_entry_sz(log_offset); |
| 126 | } |
| 127 | |
| 128 | static inline struct io_sample *get_sample(struct io_log *iolog, |
| 129 | uint64_t sample) |
| 130 | { |
| 131 | return __get_sample(iolog->log, iolog->log_offset, sample); |
| 132 | } |
| 133 | |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 134 | enum { |
| 135 | IP_F_ONRB = 1, |
| 136 | IP_F_ONLIST = 2, |
| 137 | IP_F_TRIMMED = 4, |
Jens Axboe | f940128 | 2014-02-06 12:17:37 -0700 | [diff] [blame] | 138 | IP_F_IN_FLIGHT = 8, |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 139 | }; |
| 140 | |
Jens Axboe | 5995a6a | 2009-06-03 08:53:28 +0200 | [diff] [blame] | 141 | /* |
| 142 | * When logging io actions, this matches a single sent io_u |
| 143 | */ |
| 144 | struct io_piece { |
| 145 | union { |
| 146 | struct rb_node rb_node; |
| 147 | struct flist_head list; |
| 148 | }; |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 149 | struct flist_head trim_list; |
Jens Axboe | 5995a6a | 2009-06-03 08:53:28 +0200 | [diff] [blame] | 150 | union { |
| 151 | int fileno; |
| 152 | struct fio_file *file; |
| 153 | }; |
| 154 | unsigned long long offset; |
Juan Casse | da0a7bd | 2013-09-17 14:06:12 -0700 | [diff] [blame] | 155 | unsigned short numberio; |
Jens Axboe | 5995a6a | 2009-06-03 08:53:28 +0200 | [diff] [blame] | 156 | unsigned long len; |
Jens Axboe | a917a8b | 2010-09-02 13:23:20 +0200 | [diff] [blame] | 157 | unsigned int flags; |
Jens Axboe | 5995a6a | 2009-06-03 08:53:28 +0200 | [diff] [blame] | 158 | enum fio_ddir ddir; |
| 159 | union { |
| 160 | unsigned long delay; |
| 161 | unsigned int file_action; |
| 162 | }; |
| 163 | }; |
| 164 | |
| 165 | /* |
| 166 | * Log exports |
| 167 | */ |
| 168 | enum file_log_act { |
| 169 | FIO_LOG_ADD_FILE, |
| 170 | FIO_LOG_OPEN_FILE, |
| 171 | FIO_LOG_CLOSE_FILE, |
| 172 | FIO_LOG_UNLINK_FILE, |
| 173 | }; |
| 174 | |
Jens Axboe | 8062f52 | 2013-04-10 15:01:42 +0200 | [diff] [blame] | 175 | struct io_u; |
Jens Axboe | 5995a6a | 2009-06-03 08:53:28 +0200 | [diff] [blame] | 176 | extern int __must_check read_iolog_get(struct thread_data *, struct io_u *); |
| 177 | extern void log_io_u(struct thread_data *, struct io_u *); |
| 178 | extern void log_file(struct thread_data *, struct fio_file *, enum file_log_act); |
| 179 | extern int __must_check init_iolog(struct thread_data *td); |
| 180 | extern void log_io_piece(struct thread_data *, struct io_u *); |
Jens Axboe | 890b665 | 2014-05-06 19:06:51 -0600 | [diff] [blame] | 181 | extern void unlog_io_piece(struct thread_data *, struct io_u *); |
| 182 | extern void trim_io_piece(struct thread_data *, struct io_u *); |
Jens Axboe | 5995a6a | 2009-06-03 08:53:28 +0200 | [diff] [blame] | 183 | extern void queue_io_piece(struct thread_data *, struct io_piece *); |
| 184 | extern void prune_io_piece_log(struct thread_data *); |
| 185 | extern void write_iolog_close(struct thread_data *); |
| 186 | |
Jens Axboe | bac4af1 | 2014-07-03 13:42:28 -0600 | [diff] [blame] | 187 | #ifdef CONFIG_ZLIB |
| 188 | extern int iolog_file_inflate(const char *); |
| 189 | #endif |
| 190 | |
Jens Axboe | 5995a6a | 2009-06-03 08:53:28 +0200 | [diff] [blame] | 191 | /* |
| 192 | * Logging |
| 193 | */ |
Jens Axboe | 38a812d | 2014-07-03 09:10:39 -0600 | [diff] [blame] | 194 | struct log_params { |
| 195 | struct thread_data *td; |
| 196 | unsigned long avg_msec; |
| 197 | int log_type; |
| 198 | int log_offset; |
| 199 | int log_gz; |
Jens Axboe | bac4af1 | 2014-07-03 13:42:28 -0600 | [diff] [blame] | 200 | int log_gz_store; |
Jens Axboe | 38a812d | 2014-07-03 09:10:39 -0600 | [diff] [blame] | 201 | int log_compress; |
| 202 | }; |
| 203 | |
Peter Oberparleiter | 9900706 | 2014-02-20 14:20:05 +0100 | [diff] [blame] | 204 | extern void finalize_logs(struct thread_data *td); |
Jens Axboe | 02af098 | 2010-06-24 09:59:34 +0200 | [diff] [blame] | 205 | extern void add_lat_sample(struct thread_data *, enum fio_ddir, unsigned long, |
Jens Axboe | ccefd5f | 2014-06-30 20:59:03 -0600 | [diff] [blame] | 206 | unsigned int, uint64_t); |
Jens Axboe | 5995a6a | 2009-06-03 08:53:28 +0200 | [diff] [blame] | 207 | extern void add_clat_sample(struct thread_data *, enum fio_ddir, unsigned long, |
Jens Axboe | ccefd5f | 2014-06-30 20:59:03 -0600 | [diff] [blame] | 208 | unsigned int, uint64_t); |
Jens Axboe | 5995a6a | 2009-06-03 08:53:28 +0200 | [diff] [blame] | 209 | extern void add_slat_sample(struct thread_data *, enum fio_ddir, unsigned long, |
Jens Axboe | ccefd5f | 2014-06-30 20:59:03 -0600 | [diff] [blame] | 210 | unsigned int, uint64_t); |
Jens Axboe | 5995a6a | 2009-06-03 08:53:28 +0200 | [diff] [blame] | 211 | extern void add_bw_sample(struct thread_data *, enum fio_ddir, unsigned int, |
| 212 | struct timeval *); |
Erwan Velu | 9b7e600 | 2013-08-02 16:39:40 +0200 | [diff] [blame] | 213 | extern void add_iops_sample(struct thread_data *, enum fio_ddir, unsigned int, |
| 214 | struct timeval *); |
Jens Axboe | 5995a6a | 2009-06-03 08:53:28 +0200 | [diff] [blame] | 215 | extern void init_disk_util(struct thread_data *); |
| 216 | extern void update_rusage_stat(struct thread_data *); |
Jens Axboe | 38a812d | 2014-07-03 09:10:39 -0600 | [diff] [blame] | 217 | extern void setup_log(struct io_log **, struct log_params *, const char *); |
| 218 | extern void flush_log(struct io_log *); |
Jens Axboe | 633d825 | 2014-07-02 13:36:34 -0600 | [diff] [blame] | 219 | extern void free_log(struct io_log *); |
Shaohua Li | 6eaf09d | 2012-09-14 08:49:43 +0200 | [diff] [blame] | 220 | extern struct io_log *agg_io_log[DDIR_RWDIR_CNT]; |
Jens Axboe | 5995a6a | 2009-06-03 08:53:28 +0200 | [diff] [blame] | 221 | extern int write_bw_log; |
| 222 | extern void add_agg_sample(unsigned long, enum fio_ddir, unsigned int); |
Jens Axboe | 905e3d4 | 2014-04-02 20:01:27 -0600 | [diff] [blame] | 223 | extern void fio_writeout_logs(struct thread_data *); |
Jens Axboe | 38a812d | 2014-07-03 09:10:39 -0600 | [diff] [blame] | 224 | extern int iolog_flush(struct io_log *, int); |
Jens Axboe | 5995a6a | 2009-06-03 08:53:28 +0200 | [diff] [blame] | 225 | |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 226 | static inline void init_ipo(struct io_piece *ipo) |
| 227 | { |
| 228 | memset(ipo, 0, sizeof(*ipo)); |
| 229 | INIT_FLIST_HEAD(&ipo->trim_list); |
| 230 | } |
| 231 | |
Jens Axboe | 5995a6a | 2009-06-03 08:53:28 +0200 | [diff] [blame] | 232 | #endif |