configure: Add <linux/blkzoned.h> test
[fio.git] / rate-submit.c
CommitLineData
51575029
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1/*
2 * Rated submission helpers
3 *
4 * Copyright (C) 2015 Jens Axboe <axboe@kernel.dk>
5 *
6 */
40511301 7#include "fio.h"
618ee94c 8#include "ioengines.h"
40511301 9#include "lib/getrusage.h"
24660963 10#include "rate-submit.h"
40511301 11
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12static int io_workqueue_fn(struct submit_worker *sw,
13 struct workqueue_work *work)
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14{
15 struct io_u *io_u = container_of(work, struct io_u, work);
16 const enum fio_ddir ddir = io_u->ddir;
b86ad8f1 17 struct thread_data *td = sw->priv;
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18 int ret;
19
20 dprint(FD_RATE, "io_u %p queued by %u\n", io_u, gettid());
21
1651e431 22 io_u_set(td, io_u, IO_U_F_NO_FILE_PUT);
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23
24 td->cur_depth++;
25
26 do {
27 ret = td_io_queue(td, io_u);
28 if (ret != FIO_Q_BUSY)
29 break;
30 ret = io_u_queued_complete(td, 1);
31 if (ret > 0)
32 td->cur_depth -= ret;
1651e431 33 io_u_clear(td, io_u, IO_U_F_FLIGHT);
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34 } while (1);
35
36 dprint(FD_RATE, "io_u %p ret %d by %u\n", io_u, ret, gettid());
37
38 io_queue_event(td, io_u, &ret, ddir, NULL, 0, NULL);
39
40 if (ret == FIO_Q_COMPLETED)
41 td->cur_depth--;
42 else if (ret == FIO_Q_QUEUED) {
43 unsigned int min_evts;
44
45 if (td->o.iodepth == 1)
46 min_evts = 1;
47 else
48 min_evts = 0;
49
50 ret = io_u_queued_complete(td, min_evts);
51 if (ret > 0)
52 td->cur_depth -= ret;
53 } else if (ret == FIO_Q_BUSY) {
54 ret = io_u_queued_complete(td, td->cur_depth);
55 if (ret > 0)
56 td->cur_depth -= ret;
57 }
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58
59 return 0;
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60}
61
62static bool io_workqueue_pre_sleep_flush_fn(struct submit_worker *sw)
63{
b86ad8f1 64 struct thread_data *td = sw->priv;
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65
66 if (td->io_u_queued || td->cur_depth || td->io_u_in_flight)
67 return true;
68
69 return false;
70}
71
72static void io_workqueue_pre_sleep_fn(struct submit_worker *sw)
73{
b86ad8f1 74 struct thread_data *td = sw->priv;
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75 int ret;
76
77 ret = io_u_quiesce(td);
78 if (ret > 0)
79 td->cur_depth -= ret;
80}
81
82static int io_workqueue_alloc_fn(struct submit_worker *sw)
83{
84 struct thread_data *td;
85
86 td = calloc(1, sizeof(*td));
b86ad8f1 87 sw->priv = td;
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88 return 0;
89}
90
91static void io_workqueue_free_fn(struct submit_worker *sw)
92{
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93 free(sw->priv);
94 sw->priv = NULL;
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95}
96
97static int io_workqueue_init_worker_fn(struct submit_worker *sw)
98{
99 struct thread_data *parent = sw->wq->td;
b86ad8f1 100 struct thread_data *td = sw->priv;
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101
102 memcpy(&td->o, &parent->o, sizeof(td->o));
103 memcpy(&td->ts, &parent->ts, sizeof(td->ts));
104 td->o.uid = td->o.gid = -1U;
105 dup_files(td, parent);
106 td->eo = parent->eo;
107 fio_options_mem_dupe(td);
108
109 if (ioengine_load(td))
110 goto err;
111
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112 td->pid = gettid();
113
114 INIT_FLIST_HEAD(&td->io_log_list);
115 INIT_FLIST_HEAD(&td->io_hist_list);
116 INIT_FLIST_HEAD(&td->verify_list);
117 INIT_FLIST_HEAD(&td->trim_list);
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118 td->io_hist_tree = RB_ROOT;
119
120 td->o.iodepth = 1;
121 if (td_io_init(td))
122 goto err_io_init;
123
3aea75b1 124 set_epoch_time(td, td->o.log_unix_epoch);
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125 fio_getrusage(&td->ru_start);
126 clear_io_state(td, 1);
127
128 td_set_runstate(td, TD_RUNNING);
129 td->flags |= TD_F_CHILD;
130 td->parent = parent;
131 return 0;
132
133err_io_init:
134 close_ioengine(td);
135err:
136 return 1;
137
138}
139
140static void io_workqueue_exit_worker_fn(struct submit_worker *sw,
141 unsigned int *sum_cnt)
142{
b86ad8f1 143 struct thread_data *td = sw->priv;
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144
145 (*sum_cnt)++;
146 sum_thread_stats(&sw->wq->td->ts, &td->ts, *sum_cnt == 1);
147
148 fio_options_free(td);
149 close_and_free_files(td);
150 if (td->io_ops)
151 close_ioengine(td);
152 td_set_runstate(td, TD_EXITED);
153}
154
155#ifdef CONFIG_SFAA
156static void sum_val(uint64_t *dst, uint64_t *src)
157{
158 if (*src) {
159 __sync_fetch_and_add(dst, *src);
160 *src = 0;
161 }
162}
163#else
164static void sum_val(uint64_t *dst, uint64_t *src)
165{
166 if (*src) {
167 *dst += *src;
168 *src = 0;
169 }
170}
171#endif
172
173static void pthread_double_unlock(pthread_mutex_t *lock1,
174 pthread_mutex_t *lock2)
175{
176#ifndef CONFIG_SFAA
177 pthread_mutex_unlock(lock1);
178 pthread_mutex_unlock(lock2);
179#endif
180}
181
182static void pthread_double_lock(pthread_mutex_t *lock1, pthread_mutex_t *lock2)
183{
184#ifndef CONFIG_SFAA
185 if (lock1 < lock2) {
186 pthread_mutex_lock(lock1);
187 pthread_mutex_lock(lock2);
188 } else {
189 pthread_mutex_lock(lock2);
190 pthread_mutex_lock(lock1);
191 }
192#endif
193}
194
195static void sum_ddir(struct thread_data *dst, struct thread_data *src,
196 enum fio_ddir ddir)
197{
198 pthread_double_lock(&dst->io_wq.stat_lock, &src->io_wq.stat_lock);
199
200 sum_val(&dst->io_bytes[ddir], &src->io_bytes[ddir]);
201 sum_val(&dst->io_blocks[ddir], &src->io_blocks[ddir]);
202 sum_val(&dst->this_io_blocks[ddir], &src->this_io_blocks[ddir]);
203 sum_val(&dst->this_io_bytes[ddir], &src->this_io_bytes[ddir]);
204 sum_val(&dst->bytes_done[ddir], &src->bytes_done[ddir]);
205
206 pthread_double_unlock(&dst->io_wq.stat_lock, &src->io_wq.stat_lock);
207}
208
209static void io_workqueue_update_acct_fn(struct submit_worker *sw)
210{
b86ad8f1 211 struct thread_data *src = sw->priv;
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212 struct thread_data *dst = sw->wq->td;
213
214 if (td_read(src))
215 sum_ddir(dst, src, DDIR_READ);
216 if (td_write(src))
217 sum_ddir(dst, src, DDIR_WRITE);
218 if (td_trim(src))
219 sum_ddir(dst, src, DDIR_TRIM);
220
221}
222
103b174e 223static struct workqueue_ops rated_wq_ops = {
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224 .fn = io_workqueue_fn,
225 .pre_sleep_flush_fn = io_workqueue_pre_sleep_flush_fn,
226 .pre_sleep_fn = io_workqueue_pre_sleep_fn,
227 .update_acct_fn = io_workqueue_update_acct_fn,
228 .alloc_worker_fn = io_workqueue_alloc_fn,
229 .free_worker_fn = io_workqueue_free_fn,
230 .init_worker_fn = io_workqueue_init_worker_fn,
231 .exit_worker_fn = io_workqueue_exit_worker_fn,
232};
103b174e 233
24660963 234int rate_submit_init(struct thread_data *td, struct sk_out *sk_out)
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235{
236 if (td->o.io_submit_mode != IO_MODE_OFFLOAD)
237 return 0;
238
24660963 239 return workqueue_init(td, &td->io_wq, &rated_wq_ops, td->o.iodepth, sk_out);
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240}
241
242void rate_submit_exit(struct thread_data *td)
243{
244 if (td->o.io_submit_mode != IO_MODE_OFFLOAD)
245 return;
246
247 workqueue_exit(&td->io_wq);
248}