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 | ec41265 | 2012-03-08 12:37:31 +0100 | [diff] [blame] | 6 | #include "ioengine.h" |
Jens Axboe | 802ad4a | 2011-10-05 09:51:58 +0200 | [diff] [blame] | 7 | |
Jens Axboe | 5995a6a | 2009-06-03 08:53:28 +0200 | [diff] [blame] | 8 | /* |
| 9 | * Use for maintaining statistics |
| 10 | */ |
| 11 | struct io_stat { |
Jens Axboe | 7b9f733 | 2011-10-03 10:06:44 +0200 | [diff] [blame] | 12 | uint64_t max_val; |
| 13 | uint64_t min_val; |
| 14 | uint64_t samples; |
Jens Axboe | 5995a6a | 2009-06-03 08:53:28 +0200 | [diff] [blame] | 15 | |
Jens Axboe | 802ad4a | 2011-10-05 09:51:58 +0200 | [diff] [blame] | 16 | fio_fp64_t mean; |
| 17 | fio_fp64_t S; |
Jens Axboe | 5995a6a | 2009-06-03 08:53:28 +0200 | [diff] [blame] | 18 | }; |
| 19 | |
| 20 | /* |
| 21 | * A single data sample |
| 22 | */ |
| 23 | struct io_sample { |
Jens Axboe | 1b42725 | 2012-03-14 15:03:03 +0100 | [diff] [blame] | 24 | uint64_t time; |
| 25 | uint64_t val; |
| 26 | uint32_t ddir; |
| 27 | uint32_t bs; |
Jens Axboe | 5995a6a | 2009-06-03 08:53:28 +0200 | [diff] [blame] | 28 | }; |
| 29 | |
Jens Axboe | ea51b95 | 2012-03-14 11:39:13 +0100 | [diff] [blame] | 30 | enum { |
| 31 | IO_LOG_TYPE_LAT = 1, |
| 32 | IO_LOG_TYPE_CLAT, |
| 33 | IO_LOG_TYPE_SLAT, |
| 34 | IO_LOG_TYPE_BW, |
| 35 | IO_LOG_TYPE_IOPS, |
| 36 | }; |
| 37 | |
Jens Axboe | 5995a6a | 2009-06-03 08:53:28 +0200 | [diff] [blame] | 38 | /* |
| 39 | * Dynamically growing data sample log |
| 40 | */ |
| 41 | struct io_log { |
Jens Axboe | b8bc8cb | 2011-12-01 09:04:31 +0100 | [diff] [blame] | 42 | /* |
| 43 | * Entries already logged |
| 44 | */ |
Jens Axboe | 5995a6a | 2009-06-03 08:53:28 +0200 | [diff] [blame] | 45 | unsigned long nr_samples; |
| 46 | unsigned long max_samples; |
| 47 | struct io_sample *log; |
Jens Axboe | b8bc8cb | 2011-12-01 09:04:31 +0100 | [diff] [blame] | 48 | |
Jens Axboe | 1b42725 | 2012-03-14 15:03:03 +0100 | [diff] [blame] | 49 | unsigned int log_type; |
Jens Axboe | ea51b95 | 2012-03-14 11:39:13 +0100 | [diff] [blame] | 50 | |
Jens Axboe | b8bc8cb | 2011-12-01 09:04:31 +0100 | [diff] [blame] | 51 | /* |
| 52 | * Windowed average, for logging single entries average over some |
| 53 | * period of time. |
| 54 | */ |
Shaohua Li | 6eaf09d | 2012-09-14 08:49:43 +0200 | [diff] [blame] | 55 | struct io_stat avg_window[DDIR_RWDIR_CNT]; |
Jens Axboe | b8bc8cb | 2011-12-01 09:04:31 +0100 | [diff] [blame] | 56 | unsigned long avg_msec; |
| 57 | unsigned long avg_last; |
Jens Axboe | 5995a6a | 2009-06-03 08:53:28 +0200 | [diff] [blame] | 58 | }; |
| 59 | |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 60 | enum { |
| 61 | IP_F_ONRB = 1, |
| 62 | IP_F_ONLIST = 2, |
| 63 | IP_F_TRIMMED = 4, |
| 64 | }; |
| 65 | |
Jens Axboe | 5995a6a | 2009-06-03 08:53:28 +0200 | [diff] [blame] | 66 | /* |
| 67 | * When logging io actions, this matches a single sent io_u |
| 68 | */ |
| 69 | struct io_piece { |
| 70 | union { |
| 71 | struct rb_node rb_node; |
| 72 | struct flist_head list; |
| 73 | }; |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 74 | struct flist_head trim_list; |
Jens Axboe | 5995a6a | 2009-06-03 08:53:28 +0200 | [diff] [blame] | 75 | union { |
| 76 | int fileno; |
| 77 | struct fio_file *file; |
| 78 | }; |
| 79 | unsigned long long offset; |
| 80 | unsigned long len; |
Jens Axboe | a917a8b | 2010-09-02 13:23:20 +0200 | [diff] [blame] | 81 | unsigned int flags; |
Jens Axboe | 5995a6a | 2009-06-03 08:53:28 +0200 | [diff] [blame] | 82 | enum fio_ddir ddir; |
| 83 | union { |
| 84 | unsigned long delay; |
| 85 | unsigned int file_action; |
| 86 | }; |
| 87 | }; |
| 88 | |
| 89 | /* |
| 90 | * Log exports |
| 91 | */ |
| 92 | enum file_log_act { |
| 93 | FIO_LOG_ADD_FILE, |
| 94 | FIO_LOG_OPEN_FILE, |
| 95 | FIO_LOG_CLOSE_FILE, |
| 96 | FIO_LOG_UNLINK_FILE, |
| 97 | }; |
| 98 | |
| 99 | extern int __must_check read_iolog_get(struct thread_data *, struct io_u *); |
| 100 | extern void log_io_u(struct thread_data *, struct io_u *); |
| 101 | extern void log_file(struct thread_data *, struct fio_file *, enum file_log_act); |
| 102 | extern int __must_check init_iolog(struct thread_data *td); |
| 103 | extern void log_io_piece(struct thread_data *, struct io_u *); |
| 104 | extern void queue_io_piece(struct thread_data *, struct io_piece *); |
| 105 | extern void prune_io_piece_log(struct thread_data *); |
| 106 | extern void write_iolog_close(struct thread_data *); |
| 107 | |
| 108 | /* |
| 109 | * Logging |
| 110 | */ |
Jens Axboe | 02af098 | 2010-06-24 09:59:34 +0200 | [diff] [blame] | 111 | extern void add_lat_sample(struct thread_data *, enum fio_ddir, unsigned long, |
| 112 | unsigned int); |
Jens Axboe | 5995a6a | 2009-06-03 08:53:28 +0200 | [diff] [blame] | 113 | extern void add_clat_sample(struct thread_data *, enum fio_ddir, unsigned long, |
| 114 | unsigned int); |
| 115 | extern void add_slat_sample(struct thread_data *, enum fio_ddir, unsigned long, |
| 116 | unsigned int); |
| 117 | extern void add_bw_sample(struct thread_data *, enum fio_ddir, unsigned int, |
| 118 | struct timeval *); |
Jens Axboe | c8eeb9d | 2011-10-05 14:02:22 +0200 | [diff] [blame] | 119 | extern void add_iops_sample(struct thread_data *, enum fio_ddir, struct timeval *); |
Jens Axboe | 5995a6a | 2009-06-03 08:53:28 +0200 | [diff] [blame] | 120 | extern void init_disk_util(struct thread_data *); |
| 121 | extern void update_rusage_stat(struct thread_data *); |
Jens Axboe | ea51b95 | 2012-03-14 11:39:13 +0100 | [diff] [blame] | 122 | extern void setup_log(struct io_log **, unsigned long, int); |
Jens Axboe | 5995a6a | 2009-06-03 08:53:28 +0200 | [diff] [blame] | 123 | extern void finish_log(struct thread_data *, struct io_log *, const char *); |
| 124 | extern void finish_log_named(struct thread_data *, struct io_log *, const char *, const char *); |
| 125 | extern void __finish_log(struct io_log *, const char *); |
Shaohua Li | 6eaf09d | 2012-09-14 08:49:43 +0200 | [diff] [blame] | 126 | extern struct io_log *agg_io_log[DDIR_RWDIR_CNT]; |
Jens Axboe | 5995a6a | 2009-06-03 08:53:28 +0200 | [diff] [blame] | 127 | extern int write_bw_log; |
| 128 | extern void add_agg_sample(unsigned long, enum fio_ddir, unsigned int); |
| 129 | |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 130 | static inline void init_ipo(struct io_piece *ipo) |
| 131 | { |
| 132 | memset(ipo, 0, sizeof(*ipo)); |
| 133 | INIT_FLIST_HEAD(&ipo->trim_list); |
| 134 | } |
| 135 | |
Jens Axboe | 5995a6a | 2009-06-03 08:53:28 +0200 | [diff] [blame] | 136 | #endif |