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f67539c2 TL |
1 | /*- |
2 | * BSD LICENSE | |
3 | * | |
4 | * Copyright (c) Intel Corporation. | |
5 | * All rights reserved. | |
6 | * | |
7 | * Redistribution and use in source and binary forms, with or without | |
8 | * modification, are permitted provided that the following conditions | |
9 | * are met: | |
10 | * | |
11 | * * Redistributions of source code must retain the above copyright | |
12 | * notice, this list of conditions and the following disclaimer. | |
13 | * * Redistributions in binary form must reproduce the above copyright | |
14 | * notice, this list of conditions and the following disclaimer in | |
15 | * the documentation and/or other materials provided with the | |
16 | * distribution. | |
17 | * * Neither the name of Intel Corporation nor the names of its | |
18 | * contributors may be used to endorse or promote products derived | |
19 | * from this software without specific prior written permission. | |
20 | * | |
21 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
22 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
23 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
24 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
25 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
26 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
27 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
28 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
29 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
30 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
31 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
32 | */ | |
33 | ||
34 | #include "spdk/stdinc.h" | |
35 | ||
36 | #include "spdk/env.h" | |
37 | #include "spdk/log.h" | |
38 | #include "spdk/nvme.h" | |
39 | #include "spdk/queue.h" | |
40 | #include "spdk/string.h" | |
41 | #include "spdk/util.h" | |
42 | #include "spdk/likely.h" | |
43 | ||
44 | struct ctrlr_entry { | |
45 | struct spdk_nvme_ctrlr *ctrlr; | |
46 | enum spdk_nvme_transport_type trtype; | |
47 | ||
48 | struct ctrlr_entry *next; | |
49 | char name[1024]; | |
50 | }; | |
51 | ||
52 | struct ns_entry { | |
53 | struct spdk_nvme_ctrlr *ctrlr; | |
54 | struct spdk_nvme_ns *ns; | |
55 | ||
56 | struct ns_entry *next; | |
57 | uint32_t io_size_blocks; | |
58 | uint32_t num_io_requests; | |
59 | uint64_t size_in_ios; | |
60 | uint32_t block_size; | |
61 | char name[1024]; | |
62 | }; | |
63 | ||
64 | struct ctrlr_worker_ctx { | |
65 | pthread_mutex_t mutex; | |
66 | struct ctrlr_entry *entry; | |
67 | uint64_t abort_submitted; | |
68 | uint64_t abort_submit_failed; | |
69 | uint64_t successful_abort; | |
70 | uint64_t unsuccessful_abort; | |
71 | uint64_t abort_failed; | |
72 | uint64_t current_queue_depth; | |
73 | struct spdk_nvme_ctrlr *ctrlr; | |
74 | struct ctrlr_worker_ctx *next; | |
75 | }; | |
76 | ||
77 | struct ns_worker_ctx { | |
78 | struct ns_entry *entry; | |
79 | uint64_t io_submitted; | |
80 | uint64_t io_completed; | |
81 | uint64_t io_aborted; | |
82 | uint64_t io_failed; | |
83 | uint64_t current_queue_depth; | |
84 | uint64_t offset_in_ios; | |
85 | bool is_draining; | |
86 | struct spdk_nvme_qpair *qpair; | |
87 | struct ctrlr_worker_ctx *ctrlr_ctx; | |
88 | struct ns_worker_ctx *next; | |
89 | }; | |
90 | ||
91 | struct perf_task { | |
92 | struct ns_worker_ctx *ns_ctx; | |
93 | void *buf; | |
94 | }; | |
95 | ||
96 | struct worker_thread { | |
97 | struct ns_worker_ctx *ns_ctx; | |
98 | struct ctrlr_worker_ctx *ctrlr_ctx; | |
99 | struct worker_thread *next; | |
100 | unsigned lcore; | |
101 | }; | |
102 | ||
103 | static const char *g_workload_type = "read"; | |
104 | static struct ctrlr_entry *g_controllers; | |
105 | static struct ns_entry *g_namespaces; | |
106 | static int g_num_namespaces; | |
107 | static struct worker_thread *g_workers; | |
108 | static int g_num_workers; | |
109 | static uint32_t g_master_core; | |
110 | ||
111 | static int g_abort_interval = 1; | |
112 | ||
113 | static uint64_t g_tsc_rate; | |
114 | ||
115 | static uint32_t g_io_size_bytes = 131072; | |
116 | static uint32_t g_max_io_size_blocks; | |
117 | static int g_rw_percentage = -1; | |
118 | static int g_is_random; | |
119 | static int g_queue_depth = 128; | |
120 | static int g_time_in_sec = 3; | |
121 | static int g_dpdk_mem; | |
122 | static int g_shm_id = -1; | |
123 | static bool g_no_pci; | |
124 | static bool g_warn; | |
125 | static bool g_mix_specified; | |
126 | ||
127 | static const char *g_core_mask; | |
128 | ||
129 | struct trid_entry { | |
130 | struct spdk_nvme_transport_id trid; | |
131 | uint16_t nsid; | |
132 | TAILQ_ENTRY(trid_entry) tailq; | |
133 | }; | |
134 | ||
135 | static TAILQ_HEAD(, trid_entry) g_trid_list = TAILQ_HEAD_INITIALIZER(g_trid_list); | |
136 | ||
137 | static void io_complete(void *ctx, const struct spdk_nvme_cpl *cpl); | |
138 | ||
139 | static int | |
140 | build_nvme_name(char *name, size_t length, struct spdk_nvme_ctrlr *ctrlr) | |
141 | { | |
142 | const struct spdk_nvme_transport_id *trid; | |
143 | int res = 0; | |
144 | ||
145 | trid = spdk_nvme_ctrlr_get_transport_id(ctrlr); | |
146 | ||
147 | switch (trid->trtype) { | |
148 | case SPDK_NVME_TRANSPORT_PCIE: | |
149 | res = snprintf(name, length, "PCIE (%s)", trid->traddr); | |
150 | break; | |
151 | case SPDK_NVME_TRANSPORT_RDMA: | |
152 | res = snprintf(name, length, "RDMA (addr:%s subnqn:%s)", trid->traddr, trid->subnqn); | |
153 | break; | |
154 | case SPDK_NVME_TRANSPORT_TCP: | |
155 | res = snprintf(name, length, "TCP (addr:%s subnqn:%s)", trid->traddr, trid->subnqn); | |
156 | break; | |
157 | ||
158 | default: | |
159 | fprintf(stderr, "Unknown transport type %d\n", trid->trtype); | |
160 | break; | |
161 | } | |
162 | return res; | |
163 | } | |
164 | ||
165 | static void | |
166 | build_nvme_ns_name(char *name, size_t length, struct spdk_nvme_ctrlr *ctrlr, uint32_t nsid) | |
167 | { | |
168 | int res = 0; | |
169 | ||
170 | res = build_nvme_name(name, length, ctrlr); | |
171 | if (res > 0) { | |
172 | snprintf(name + res, length - res, " NSID %u", nsid); | |
173 | } | |
174 | ||
175 | } | |
176 | ||
177 | static void | |
178 | register_ns(struct spdk_nvme_ctrlr *ctrlr, struct spdk_nvme_ns *ns) | |
179 | { | |
180 | struct ns_entry *entry; | |
181 | const struct spdk_nvme_ctrlr_data *cdata; | |
182 | uint32_t max_xfer_size, entries, sector_size; | |
183 | uint64_t ns_size; | |
184 | struct spdk_nvme_io_qpair_opts opts; | |
185 | ||
186 | cdata = spdk_nvme_ctrlr_get_data(ctrlr); | |
187 | ||
188 | if (!spdk_nvme_ns_is_active(ns)) { | |
189 | printf("Controller %-20.20s (%-20.20s): Skipping inactive NS %u\n", | |
190 | cdata->mn, cdata->sn, | |
191 | spdk_nvme_ns_get_id(ns)); | |
192 | g_warn = true; | |
193 | return; | |
194 | } | |
195 | ||
196 | ns_size = spdk_nvme_ns_get_size(ns); | |
197 | sector_size = spdk_nvme_ns_get_sector_size(ns); | |
198 | ||
199 | if (ns_size < g_io_size_bytes || sector_size > g_io_size_bytes) { | |
200 | printf("WARNING: controller %-20.20s (%-20.20s) ns %u has invalid " | |
201 | "ns size %" PRIu64 " / block size %u for I/O size %u\n", | |
202 | cdata->mn, cdata->sn, spdk_nvme_ns_get_id(ns), | |
203 | ns_size, spdk_nvme_ns_get_sector_size(ns), g_io_size_bytes); | |
204 | g_warn = true; | |
205 | return; | |
206 | } | |
207 | ||
208 | max_xfer_size = spdk_nvme_ns_get_max_io_xfer_size(ns); | |
209 | spdk_nvme_ctrlr_get_default_io_qpair_opts(ctrlr, &opts, sizeof(opts)); | |
210 | /* NVMe driver may add additional entries based on | |
211 | * stripe size and maximum transfer size, we assume | |
212 | * 1 more entry be used for stripe. | |
213 | */ | |
214 | entries = (g_io_size_bytes - 1) / max_xfer_size + 2; | |
215 | if ((g_queue_depth * entries) > opts.io_queue_size) { | |
216 | printf("controller IO queue size %u less than required\n", | |
217 | opts.io_queue_size); | |
218 | printf("Consider using lower queue depth or small IO size because " | |
219 | "IO requests may be queued at the NVMe driver.\n"); | |
220 | } | |
221 | /* For requests which have children requests, parent request itself | |
222 | * will also occupy 1 entry. | |
223 | */ | |
224 | entries += 1; | |
225 | ||
226 | entry = calloc(1, sizeof(struct ns_entry)); | |
227 | if (entry == NULL) { | |
228 | perror("ns_entry malloc"); | |
229 | exit(1); | |
230 | } | |
231 | ||
232 | entry->ctrlr = ctrlr; | |
233 | entry->ns = ns; | |
234 | entry->num_io_requests = g_queue_depth * entries; | |
235 | ||
236 | entry->size_in_ios = ns_size / g_io_size_bytes; | |
237 | entry->io_size_blocks = g_io_size_bytes / sector_size; | |
238 | ||
239 | entry->block_size = spdk_nvme_ns_get_sector_size(ns); | |
240 | ||
241 | if (g_max_io_size_blocks < entry->io_size_blocks) { | |
242 | g_max_io_size_blocks = entry->io_size_blocks; | |
243 | } | |
244 | ||
245 | build_nvme_ns_name(entry->name, sizeof(entry->name), ctrlr, spdk_nvme_ns_get_id(ns)); | |
246 | ||
247 | g_num_namespaces++; | |
248 | entry->next = g_namespaces; | |
249 | g_namespaces = entry; | |
250 | } | |
251 | ||
252 | static void | |
253 | unregister_namespaces(void) | |
254 | { | |
255 | struct ns_entry *entry = g_namespaces; | |
256 | ||
257 | while (entry) { | |
258 | struct ns_entry *next = entry->next; | |
259 | free(entry); | |
260 | entry = next; | |
261 | } | |
262 | } | |
263 | ||
264 | static void | |
265 | register_ctrlr(struct spdk_nvme_ctrlr *ctrlr, struct trid_entry *trid_entry) | |
266 | { | |
267 | struct spdk_nvme_ns *ns; | |
268 | struct ctrlr_entry *entry = malloc(sizeof(struct ctrlr_entry)); | |
269 | uint32_t nsid; | |
270 | ||
271 | if (entry == NULL) { | |
272 | perror("ctrlr_entry malloc"); | |
273 | exit(1); | |
274 | } | |
275 | ||
276 | build_nvme_name(entry->name, sizeof(entry->name), ctrlr); | |
277 | ||
278 | entry->ctrlr = ctrlr; | |
279 | entry->trtype = trid_entry->trid.trtype; | |
280 | entry->next = g_controllers; | |
281 | g_controllers = entry; | |
282 | ||
283 | if (trid_entry->nsid == 0) { | |
284 | for (nsid = spdk_nvme_ctrlr_get_first_active_ns(ctrlr); | |
285 | nsid != 0; nsid = spdk_nvme_ctrlr_get_next_active_ns(ctrlr, nsid)) { | |
286 | ns = spdk_nvme_ctrlr_get_ns(ctrlr, nsid); | |
287 | if (ns == NULL) { | |
288 | continue; | |
289 | } | |
290 | register_ns(ctrlr, ns); | |
291 | } | |
292 | } else { | |
293 | ns = spdk_nvme_ctrlr_get_ns(ctrlr, trid_entry->nsid); | |
294 | if (!ns) { | |
295 | perror("Namespace does not exist."); | |
296 | exit(1); | |
297 | } | |
298 | ||
299 | register_ns(ctrlr, ns); | |
300 | } | |
301 | } | |
302 | ||
303 | static void | |
304 | abort_complete(void *ctx, const struct spdk_nvme_cpl *cpl) | |
305 | { | |
306 | struct ctrlr_worker_ctx *ctrlr_ctx = ctx; | |
307 | ||
308 | ctrlr_ctx->current_queue_depth--; | |
309 | if (spdk_unlikely(spdk_nvme_cpl_is_error(cpl))) { | |
310 | ctrlr_ctx->abort_failed++; | |
311 | } else if ((cpl->cdw0 & 0x1) == 0) { | |
312 | ctrlr_ctx->successful_abort++; | |
313 | } else { | |
314 | ctrlr_ctx->unsuccessful_abort++; | |
315 | } | |
316 | } | |
317 | ||
318 | static void | |
319 | abort_task(struct perf_task *task) | |
320 | { | |
321 | struct ns_worker_ctx *ns_ctx = task->ns_ctx; | |
322 | struct ctrlr_worker_ctx *ctrlr_ctx = ns_ctx->ctrlr_ctx; | |
323 | int rc; | |
324 | ||
325 | /* Hold mutex to guard ctrlr_ctx->current_queue_depth. */ | |
326 | pthread_mutex_lock(&ctrlr_ctx->mutex); | |
327 | ||
328 | rc = spdk_nvme_ctrlr_cmd_abort_ext(ctrlr_ctx->ctrlr, ns_ctx->qpair, task, abort_complete, | |
329 | ctrlr_ctx); | |
330 | ||
331 | if (spdk_unlikely(rc != 0)) { | |
332 | ctrlr_ctx->abort_submit_failed++; | |
333 | } else { | |
334 | ctrlr_ctx->current_queue_depth++; | |
335 | ctrlr_ctx->abort_submitted++; | |
336 | } | |
337 | ||
338 | pthread_mutex_unlock(&ctrlr_ctx->mutex); | |
339 | } | |
340 | ||
341 | static __thread unsigned int seed = 0; | |
342 | ||
343 | static inline void | |
344 | submit_single_io(struct perf_task *task) | |
345 | { | |
346 | uint64_t offset_in_ios, lba; | |
347 | int rc; | |
348 | struct ns_worker_ctx *ns_ctx = task->ns_ctx; | |
349 | struct ns_entry *entry = ns_ctx->entry; | |
350 | ||
351 | if (g_is_random) { | |
352 | offset_in_ios = rand_r(&seed) % entry->size_in_ios; | |
353 | } else { | |
354 | offset_in_ios = ns_ctx->offset_in_ios++; | |
355 | if (ns_ctx->offset_in_ios == entry->size_in_ios) { | |
356 | ns_ctx->offset_in_ios = 0; | |
357 | } | |
358 | } | |
359 | ||
360 | lba = offset_in_ios * entry->io_size_blocks; | |
361 | ||
362 | if ((g_rw_percentage == 100) || | |
363 | (g_rw_percentage != 0 && (rand_r(&seed) % 100) < g_rw_percentage)) { | |
364 | rc = spdk_nvme_ns_cmd_read(entry->ns, ns_ctx->qpair, task->buf, | |
365 | lba, entry->io_size_blocks, io_complete, task, 0); | |
366 | } else { | |
367 | rc = spdk_nvme_ns_cmd_write(entry->ns, ns_ctx->qpair, task->buf, | |
368 | lba, entry->io_size_blocks, io_complete, task, 0); | |
369 | } | |
370 | ||
371 | if (spdk_unlikely(rc != 0)) { | |
372 | fprintf(stderr, "I/O submission failed\n"); | |
373 | } else { | |
374 | ns_ctx->current_queue_depth++; | |
375 | ns_ctx->io_submitted++; | |
376 | ||
377 | if ((ns_ctx->io_submitted % g_abort_interval) == 0) { | |
378 | abort_task(task); | |
379 | } | |
380 | } | |
381 | ||
382 | } | |
383 | ||
384 | static void | |
385 | io_complete(void *ctx, const struct spdk_nvme_cpl *cpl) | |
386 | { | |
387 | struct perf_task *task = ctx; | |
388 | struct ns_worker_ctx *ns_ctx = task->ns_ctx; | |
389 | ||
390 | ns_ctx->current_queue_depth--; | |
391 | if (spdk_unlikely(spdk_nvme_cpl_is_error(cpl))) { | |
392 | ns_ctx->io_failed++; | |
393 | } else { | |
394 | ns_ctx->io_completed++; | |
395 | } | |
396 | ||
397 | /* is_draining indicates when time has expired for the test run and we are | |
398 | * just waiting for the previously submitted I/O to complete. In this case, | |
399 | * do not submit a new I/O to replace the one just completed. | |
400 | */ | |
401 | if (spdk_unlikely(ns_ctx->is_draining)) { | |
402 | spdk_dma_free(task->buf); | |
403 | free(task); | |
404 | } else { | |
405 | submit_single_io(task); | |
406 | } | |
407 | } | |
408 | ||
409 | static struct perf_task * | |
410 | allocate_task(struct ns_worker_ctx *ns_ctx) | |
411 | { | |
412 | struct perf_task *task; | |
413 | ||
414 | task = calloc(1, sizeof(*task)); | |
415 | if (task == NULL) { | |
416 | fprintf(stderr, "Failed to allocate task\n"); | |
417 | exit(1); | |
418 | } | |
419 | ||
420 | task->buf = spdk_dma_zmalloc(g_io_size_bytes, 0x200, NULL); | |
421 | if (task->buf == NULL) { | |
422 | free(task); | |
423 | fprintf(stderr, "Failed to allocate task->buf\n"); | |
424 | exit(1); | |
425 | } | |
426 | ||
427 | task->ns_ctx = ns_ctx; | |
428 | ||
429 | return task; | |
430 | } | |
431 | ||
432 | static void | |
433 | submit_io(struct ns_worker_ctx *ns_ctx, int queue_depth) | |
434 | { | |
435 | struct perf_task *task; | |
436 | ||
437 | while (queue_depth-- > 0) { | |
438 | task = allocate_task(ns_ctx); | |
439 | submit_single_io(task); | |
440 | } | |
441 | } | |
442 | ||
443 | static int | |
444 | work_fn(void *arg) | |
445 | { | |
446 | struct worker_thread *worker = (struct worker_thread *)arg; | |
447 | struct ns_worker_ctx *ns_ctx; | |
448 | struct ctrlr_worker_ctx *ctrlr_ctx; | |
449 | struct ns_entry *ns_entry; | |
450 | struct spdk_nvme_io_qpair_opts opts; | |
451 | uint64_t tsc_end; | |
452 | uint32_t unfinished_ctx; | |
453 | ||
454 | /* Allocate queue pair for each namespace. */ | |
455 | ns_ctx = worker->ns_ctx; | |
456 | while (ns_ctx != NULL) { | |
457 | ns_entry = ns_ctx->entry; | |
458 | ||
459 | spdk_nvme_ctrlr_get_default_io_qpair_opts(ns_entry->ctrlr, &opts, sizeof(opts)); | |
460 | if (opts.io_queue_requests < ns_entry->num_io_requests) { | |
461 | opts.io_queue_requests = ns_entry->num_io_requests; | |
462 | } | |
463 | ||
464 | ns_ctx->qpair = spdk_nvme_ctrlr_alloc_io_qpair(ns_entry->ctrlr, &opts, sizeof(opts)); | |
465 | if (ns_ctx->qpair == NULL) { | |
466 | fprintf(stderr, "spdk_nvme_ctrlr_alloc_io_qpair failed\n"); | |
467 | return 1; | |
468 | } | |
469 | ||
470 | ns_ctx = ns_ctx->next; | |
471 | } | |
472 | ||
473 | tsc_end = spdk_get_ticks() + g_time_in_sec * g_tsc_rate; | |
474 | ||
475 | /* Submit initial I/O for each namespace. */ | |
476 | ns_ctx = worker->ns_ctx; | |
477 | while (ns_ctx != NULL) { | |
478 | submit_io(ns_ctx, g_queue_depth); | |
479 | ns_ctx = ns_ctx->next; | |
480 | } | |
481 | ||
482 | while (1) { | |
483 | ns_ctx = worker->ns_ctx; | |
484 | while (ns_ctx != NULL) { | |
485 | spdk_nvme_qpair_process_completions(ns_ctx->qpair, 0); | |
486 | ns_ctx = ns_ctx->next; | |
487 | } | |
488 | ||
489 | if (worker->lcore == g_master_core) { | |
490 | ctrlr_ctx = worker->ctrlr_ctx; | |
491 | while (ctrlr_ctx) { | |
492 | /* Hold mutex to guard ctrlr_ctx->current_queue_depth. */ | |
493 | pthread_mutex_lock(&ctrlr_ctx->mutex); | |
494 | spdk_nvme_ctrlr_process_admin_completions(ctrlr_ctx->ctrlr); | |
495 | pthread_mutex_unlock(&ctrlr_ctx->mutex); | |
496 | ctrlr_ctx = ctrlr_ctx->next; | |
497 | } | |
498 | } | |
499 | ||
500 | if (spdk_get_ticks() > tsc_end) { | |
501 | break; | |
502 | } | |
503 | } | |
504 | ||
505 | do { | |
506 | unfinished_ctx = 0; | |
507 | ||
508 | ns_ctx = worker->ns_ctx; | |
509 | while (ns_ctx != NULL) { | |
510 | if (!ns_ctx->is_draining) { | |
511 | ns_ctx->is_draining = true; | |
512 | } | |
513 | if (ns_ctx->current_queue_depth > 0) { | |
514 | spdk_nvme_qpair_process_completions(ns_ctx->qpair, 0); | |
515 | if (ns_ctx->current_queue_depth == 0) { | |
516 | spdk_nvme_ctrlr_free_io_qpair(ns_ctx->qpair); | |
517 | } else { | |
518 | unfinished_ctx++; | |
519 | } | |
520 | } | |
521 | ns_ctx = ns_ctx->next; | |
522 | } | |
523 | } while (unfinished_ctx > 0); | |
524 | ||
525 | if (worker->lcore == g_master_core) { | |
526 | do { | |
527 | unfinished_ctx = 0; | |
528 | ||
529 | ctrlr_ctx = worker->ctrlr_ctx; | |
530 | while (ctrlr_ctx != NULL) { | |
531 | pthread_mutex_lock(&ctrlr_ctx->mutex); | |
532 | if (ctrlr_ctx->current_queue_depth > 0) { | |
533 | spdk_nvme_ctrlr_process_admin_completions(ctrlr_ctx->ctrlr); | |
534 | if (ctrlr_ctx->current_queue_depth > 0) { | |
535 | unfinished_ctx++; | |
536 | } | |
537 | } | |
538 | pthread_mutex_unlock(&ctrlr_ctx->mutex); | |
539 | ctrlr_ctx = ctrlr_ctx->next; | |
540 | } | |
541 | } while (unfinished_ctx > 0); | |
542 | } | |
543 | ||
544 | return 0; | |
545 | } | |
546 | ||
547 | static void | |
548 | usage(char *program_name) | |
549 | { | |
550 | printf("%s options", program_name); | |
551 | ||
552 | printf("\n"); | |
553 | printf("\t[-q io depth]\n"); | |
554 | printf("\t[-o io size in bytes]\n"); | |
555 | printf("\t[-w io pattern type, must be one of\n"); | |
556 | printf("\t\t(read, write, randread, randwrite, rw, randrw)]\n"); | |
557 | printf("\t[-M rwmixread (100 for reads, 0 for writes)]\n"); | |
558 | printf("\t[-t time in seconds]\n"); | |
559 | printf("\t[-c core mask for I/O submission/completion.]\n"); | |
560 | printf("\t\t(default: 1)\n"); | |
561 | printf("\t[-r Transport ID for local PCIe NVMe or NVMeoF]\n"); | |
562 | printf("\t Format: 'key:value [key:value] ...'\n"); | |
563 | printf("\t Keys:\n"); | |
564 | printf("\t trtype Transport type (e.g. PCIe, RDMA)\n"); | |
565 | printf("\t adrfam Address family (e.g. IPv4, IPv6)\n"); | |
566 | printf("\t traddr Transport address (e.g. 0000:04:00.0 for PCIe or 192.168.100.8 for RDMA)\n"); | |
567 | printf("\t trsvcid Transport service identifier (e.g. 4420)\n"); | |
568 | printf("\t subnqn Subsystem NQN (default: %s)\n", SPDK_NVMF_DISCOVERY_NQN); | |
569 | printf("\t Example: -r 'trtype:PCIe traddr:0000:04:00.0' for PCIe or\n"); | |
570 | printf("\t -r 'trtype:RDMA adrfam:IPv4 traddr:192.168.100.8 trsvcid:4420' for NVMeoF\n"); | |
571 | printf("\t[-s DPDK huge memory size in MB.]\n"); | |
572 | printf("\t[-i shared memory group ID]\n"); | |
573 | printf("\t[-a abort interval.]\n"); | |
574 | printf("\t"); | |
575 | spdk_log_usage(stdout, "-T"); | |
576 | #ifdef DEBUG | |
577 | printf("\t[-G enable debug logging]\n"); | |
578 | #else | |
579 | printf("\t[-G enable debug logging (flag disabled, must reconfigure with --enable-debug)\n"); | |
580 | #endif | |
581 | } | |
582 | ||
583 | static void | |
584 | unregister_trids(void) | |
585 | { | |
586 | struct trid_entry *trid_entry, *tmp; | |
587 | ||
588 | TAILQ_FOREACH_SAFE(trid_entry, &g_trid_list, tailq, tmp) { | |
589 | TAILQ_REMOVE(&g_trid_list, trid_entry, tailq); | |
590 | free(trid_entry); | |
591 | } | |
592 | } | |
593 | ||
594 | static int | |
595 | add_trid(const char *trid_str) | |
596 | { | |
597 | struct trid_entry *trid_entry; | |
598 | struct spdk_nvme_transport_id *trid; | |
599 | char *ns; | |
600 | ||
601 | trid_entry = calloc(1, sizeof(*trid_entry)); | |
602 | if (trid_entry == NULL) { | |
603 | return -1; | |
604 | } | |
605 | ||
606 | trid = &trid_entry->trid; | |
607 | trid->trtype = SPDK_NVME_TRANSPORT_PCIE; | |
608 | snprintf(trid->subnqn, sizeof(trid->subnqn), "%s", SPDK_NVMF_DISCOVERY_NQN); | |
609 | ||
610 | if (spdk_nvme_transport_id_parse(trid, trid_str) != 0) { | |
611 | fprintf(stderr, "Invalid transport ID format '%s'\n", trid_str); | |
612 | free(trid_entry); | |
613 | return 1; | |
614 | } | |
615 | ||
616 | spdk_nvme_transport_id_populate_trstring(trid, | |
617 | spdk_nvme_transport_id_trtype_str(trid->trtype)); | |
618 | ||
619 | ns = strcasestr(trid_str, "ns:"); | |
620 | if (ns) { | |
621 | char nsid_str[6]; /* 5 digits maximum in an nsid */ | |
622 | int len; | |
623 | int nsid; | |
624 | ||
625 | ns += 3; | |
626 | ||
627 | len = strcspn(ns, " \t\n"); | |
628 | if (len > 5) { | |
629 | fprintf(stderr, "NVMe namespace IDs must be 5 digits or less\n"); | |
630 | free(trid_entry); | |
631 | return 1; | |
632 | } | |
633 | ||
634 | memcpy(nsid_str, ns, len); | |
635 | nsid_str[len] = '\0'; | |
636 | ||
637 | nsid = spdk_strtol(nsid_str, 10); | |
638 | if (nsid <= 0 || nsid > 65535) { | |
639 | fprintf(stderr, "NVMe namespace IDs must be less than 65536 and greater than 0\n"); | |
640 | free(trid_entry); | |
641 | return 1; | |
642 | } | |
643 | ||
644 | trid_entry->nsid = (uint16_t)nsid; | |
645 | } | |
646 | ||
647 | TAILQ_INSERT_TAIL(&g_trid_list, trid_entry, tailq); | |
648 | return 0; | |
649 | } | |
650 | ||
651 | static int | |
652 | parse_args(int argc, char **argv) | |
653 | { | |
654 | int op; | |
655 | long int val; | |
656 | int rc; | |
657 | ||
658 | while ((op = getopt(argc, argv, "a:c:i:o:q:r:s:t:w:M:")) != -1) { | |
659 | switch (op) { | |
660 | case 'a': | |
661 | case 'i': | |
662 | case 'o': | |
663 | case 'q': | |
664 | case 's': | |
665 | case 't': | |
666 | case 'M': | |
667 | val = spdk_strtol(optarg, 10); | |
668 | if (val < 0) { | |
669 | fprintf(stderr, "Converting a string to integer failed\n"); | |
670 | return val; | |
671 | } | |
672 | switch (op) { | |
673 | case 'a': | |
674 | g_abort_interval = val; | |
675 | break; | |
676 | case 'i': | |
677 | g_shm_id = val; | |
678 | break; | |
679 | case 'o': | |
680 | g_io_size_bytes = val; | |
681 | break; | |
682 | case 'q': | |
683 | g_queue_depth = val; | |
684 | break; | |
685 | case 's': | |
686 | g_dpdk_mem = val; | |
687 | break; | |
688 | case 't': | |
689 | g_time_in_sec = val; | |
690 | break; | |
691 | case 'M': | |
692 | g_rw_percentage = val; | |
693 | g_mix_specified = true; | |
694 | break; | |
695 | } | |
696 | break; | |
697 | case 'c': | |
698 | g_core_mask = optarg; | |
699 | break; | |
700 | case 'r': | |
701 | if (add_trid(optarg)) { | |
702 | usage(argv[0]); | |
703 | return 1; | |
704 | } | |
705 | break; | |
706 | case 'w': | |
707 | g_workload_type = optarg; | |
708 | break; | |
709 | case 'G': | |
710 | #ifndef DEBUG | |
711 | fprintf(stderr, "%s must be configured with --enable-debug for -G flag\n", | |
712 | argv[0]); | |
713 | usage(argv[0]); | |
714 | return 1; | |
715 | #else | |
716 | spdk_log_set_flag("nvme"); | |
717 | spdk_log_set_print_level(SPDK_LOG_DEBUG); | |
718 | break; | |
719 | #endif | |
720 | case 'T': | |
721 | rc = spdk_log_set_flag(optarg); | |
722 | if (rc < 0) { | |
723 | fprintf(stderr, "unknown flag\n"); | |
724 | usage(argv[0]); | |
725 | exit(EXIT_FAILURE); | |
726 | } | |
727 | spdk_log_set_print_level(SPDK_LOG_DEBUG); | |
728 | #ifndef DEBUG | |
729 | fprintf(stderr, "%s must be rebuilt with CONFIG_DEBUG=y for -T flag.\n", | |
730 | argv[0]); | |
731 | usage(argv[0]); | |
732 | return 0; | |
733 | #endif | |
734 | break; | |
735 | default: | |
736 | usage(argv[0]); | |
737 | return 1; | |
738 | } | |
739 | } | |
740 | ||
741 | if (!g_queue_depth) { | |
742 | fprintf(stderr, "missing -q (queue size) operand\n"); | |
743 | usage(argv[0]); | |
744 | return 1; | |
745 | } | |
746 | if (!g_io_size_bytes) { | |
747 | fprintf(stderr, "missing -o (block size) operand\n"); | |
748 | usage(argv[0]); | |
749 | return 1; | |
750 | } | |
751 | if (!g_workload_type) { | |
752 | fprintf(stderr, "missing -t (test time in seconds) operand\n"); | |
753 | usage(argv[0]); | |
754 | return 1; | |
755 | } | |
756 | ||
757 | if (!g_time_in_sec) { | |
758 | usage(argv[0]); | |
759 | return 1; | |
760 | } | |
761 | ||
762 | if (strncmp(g_workload_type, "rand", 4) == 0) { | |
763 | g_is_random = 1; | |
764 | g_workload_type = &g_workload_type[4]; | |
765 | } | |
766 | ||
767 | if (strcmp(g_workload_type, "read") == 0 || strcmp(g_workload_type, "write") == 0) { | |
768 | g_rw_percentage = strcmp(g_workload_type, "read") == 0 ? 100 : 0; | |
769 | if (g_mix_specified) { | |
770 | fprintf(stderr, "Ignoring -M option... Please use -M option" | |
771 | " only when using rw or randrw.\n"); | |
772 | } | |
773 | } else if (strcmp(g_workload_type, "rw") == 0) { | |
774 | if (g_rw_percentage < 0 || g_rw_percentage > 100) { | |
775 | fprintf(stderr, | |
776 | "-M must be specified to value from 0 to 100 " | |
777 | "for rw or randrw.\n"); | |
778 | return 1; | |
779 | } | |
780 | } else { | |
781 | fprintf(stderr, | |
782 | "io pattern type must be one of\n" | |
783 | "(read, write, randread, randwrite, rw, randrw)\n"); | |
784 | return 1; | |
785 | } | |
786 | ||
787 | if (TAILQ_EMPTY(&g_trid_list)) { | |
788 | /* If no transport IDs specified, default to enumerating all local PCIe devices */ | |
789 | add_trid("trtype:PCIe"); | |
790 | } else { | |
791 | struct trid_entry *trid_entry, *trid_entry_tmp; | |
792 | ||
793 | g_no_pci = true; | |
794 | /* check whether there is local PCIe type */ | |
795 | TAILQ_FOREACH_SAFE(trid_entry, &g_trid_list, tailq, trid_entry_tmp) { | |
796 | if (trid_entry->trid.trtype == SPDK_NVME_TRANSPORT_PCIE) { | |
797 | g_no_pci = false; | |
798 | break; | |
799 | } | |
800 | } | |
801 | } | |
802 | ||
803 | return 0; | |
804 | } | |
805 | ||
806 | static int | |
807 | register_workers(void) | |
808 | { | |
809 | uint32_t i; | |
810 | struct worker_thread *worker; | |
811 | ||
812 | g_workers = NULL; | |
813 | g_num_workers = 0; | |
814 | ||
815 | SPDK_ENV_FOREACH_CORE(i) { | |
816 | worker = calloc(1, sizeof(*worker)); | |
817 | if (worker == NULL) { | |
818 | fprintf(stderr, "Unable to allocate worker\n"); | |
819 | return -1; | |
820 | } | |
821 | ||
822 | worker->lcore = i; | |
823 | worker->next = g_workers; | |
824 | g_workers = worker; | |
825 | g_num_workers++; | |
826 | } | |
827 | ||
828 | return 0; | |
829 | } | |
830 | ||
831 | static void | |
832 | unregister_workers(void) | |
833 | { | |
834 | struct worker_thread *worker = g_workers; | |
835 | ||
836 | /* Free namespace context and worker thread */ | |
837 | while (worker) { | |
838 | struct worker_thread *next_worker = worker->next; | |
839 | struct ns_worker_ctx *ns_ctx = worker->ns_ctx; | |
840 | ||
841 | while (ns_ctx) { | |
842 | struct ns_worker_ctx *next_ns_ctx = ns_ctx->next; | |
843 | ||
844 | printf("NS: %s I/O completed: %lu, failed: %lu\n", | |
845 | ns_ctx->entry->name, ns_ctx->io_completed, ns_ctx->io_failed); | |
846 | free(ns_ctx); | |
847 | ns_ctx = next_ns_ctx; | |
848 | } | |
849 | ||
850 | struct ctrlr_worker_ctx *ctrlr_ctx = worker->ctrlr_ctx; | |
851 | ||
852 | while (ctrlr_ctx) { | |
853 | struct ctrlr_worker_ctx *next_ctrlr_ctx = ctrlr_ctx->next; | |
854 | ||
855 | printf("CTRLR: %s abort submitted %lu, failed to submit %lu\n", | |
856 | ctrlr_ctx->entry->name, ctrlr_ctx->abort_submitted, | |
857 | ctrlr_ctx->abort_submit_failed); | |
858 | printf("\t success %lu, unsuccess %lu, failed %lu\n", | |
859 | ctrlr_ctx->successful_abort, ctrlr_ctx->unsuccessful_abort, | |
860 | ctrlr_ctx->abort_failed); | |
861 | free(ctrlr_ctx); | |
862 | ctrlr_ctx = next_ctrlr_ctx; | |
863 | } | |
864 | ||
865 | free(worker); | |
866 | worker = next_worker; | |
867 | } | |
868 | } | |
869 | ||
870 | static bool | |
871 | probe_cb(void *cb_ctx, const struct spdk_nvme_transport_id *trid, | |
872 | struct spdk_nvme_ctrlr_opts *opts) | |
873 | { | |
874 | return true; | |
875 | } | |
876 | ||
877 | static void | |
878 | attach_cb(void *cb_ctx, const struct spdk_nvme_transport_id *trid, | |
879 | struct spdk_nvme_ctrlr *ctrlr, const struct spdk_nvme_ctrlr_opts *opts) | |
880 | { | |
881 | struct trid_entry *trid_entry = cb_ctx; | |
882 | struct spdk_pci_addr pci_addr; | |
883 | struct spdk_pci_device *pci_dev; | |
884 | struct spdk_pci_id pci_id; | |
885 | ||
886 | if (trid->trtype != SPDK_NVME_TRANSPORT_PCIE) { | |
887 | printf("Attached to NVMe over Fabrics controller at %s:%s: %s\n", | |
888 | trid->traddr, trid->trsvcid, | |
889 | trid->subnqn); | |
890 | } else { | |
891 | if (spdk_pci_addr_parse(&pci_addr, trid->traddr)) { | |
892 | return; | |
893 | } | |
894 | ||
895 | pci_dev = spdk_nvme_ctrlr_get_pci_device(ctrlr); | |
896 | if (!pci_dev) { | |
897 | return; | |
898 | } | |
899 | ||
900 | pci_id = spdk_pci_device_get_id(pci_dev); | |
901 | ||
902 | printf("Attached to NVMe Controller at %s [%04x:%04x]\n", | |
903 | trid->traddr, | |
904 | pci_id.vendor_id, pci_id.device_id); | |
905 | } | |
906 | ||
907 | register_ctrlr(ctrlr, trid_entry); | |
908 | } | |
909 | ||
910 | static int | |
911 | register_controllers(void) | |
912 | { | |
913 | struct trid_entry *trid_entry; | |
914 | ||
915 | printf("Initializing NVMe Controllers\n"); | |
916 | ||
917 | TAILQ_FOREACH(trid_entry, &g_trid_list, tailq) { | |
918 | if (spdk_nvme_probe(&trid_entry->trid, trid_entry, probe_cb, attach_cb, NULL) != 0) { | |
919 | fprintf(stderr, "spdk_nvme_probe() failed for transport address '%s'\n", | |
920 | trid_entry->trid.traddr); | |
921 | return -1; | |
922 | } | |
923 | } | |
924 | ||
925 | return 0; | |
926 | } | |
927 | ||
928 | static void | |
929 | unregister_controllers(void) | |
930 | { | |
931 | struct ctrlr_entry *entry = g_controllers; | |
932 | ||
933 | while (entry) { | |
934 | struct ctrlr_entry *next = entry->next; | |
935 | spdk_nvme_detach(entry->ctrlr); | |
936 | free(entry); | |
937 | entry = next; | |
938 | } | |
939 | } | |
940 | ||
941 | static int | |
942 | associate_master_worker_with_ctrlr(void) | |
943 | { | |
944 | struct ctrlr_entry *entry = g_controllers; | |
945 | struct worker_thread *worker = g_workers; | |
946 | struct ctrlr_worker_ctx *ctrlr_ctx; | |
947 | ||
948 | while (worker) { | |
949 | if (worker->lcore == g_master_core) { | |
950 | break; | |
951 | } | |
952 | worker = worker->next; | |
953 | } | |
954 | ||
955 | if (!worker) { | |
956 | return -1; | |
957 | } | |
958 | ||
959 | while (entry) { | |
960 | ctrlr_ctx = calloc(1, sizeof(struct ctrlr_worker_ctx)); | |
961 | if (!ctrlr_ctx) { | |
962 | return -1; | |
963 | } | |
964 | ||
965 | pthread_mutex_init(&ctrlr_ctx->mutex, NULL); | |
966 | ctrlr_ctx->entry = entry; | |
967 | ctrlr_ctx->ctrlr = entry->ctrlr; | |
968 | ctrlr_ctx->next = worker->ctrlr_ctx; | |
969 | worker->ctrlr_ctx = ctrlr_ctx; | |
970 | ||
971 | entry = entry->next; | |
972 | } | |
973 | ||
974 | return 0; | |
975 | } | |
976 | ||
977 | static struct ctrlr_worker_ctx * | |
978 | get_ctrlr_worker_ctx(struct spdk_nvme_ctrlr *ctrlr) | |
979 | { | |
980 | struct worker_thread *worker = g_workers; | |
981 | struct ctrlr_worker_ctx *ctrlr_ctx; | |
982 | ||
983 | while (worker != NULL) { | |
984 | if (worker->lcore == g_master_core) { | |
985 | break; | |
986 | } | |
987 | worker = worker->next; | |
988 | } | |
989 | ||
990 | if (!worker) { | |
991 | return NULL; | |
992 | } | |
993 | ||
994 | ctrlr_ctx = worker->ctrlr_ctx; | |
995 | ||
996 | while (ctrlr_ctx != NULL) { | |
997 | if (ctrlr_ctx->ctrlr == ctrlr) { | |
998 | return ctrlr_ctx; | |
999 | } | |
1000 | ctrlr_ctx = ctrlr_ctx->next; | |
1001 | } | |
1002 | ||
1003 | return NULL; | |
1004 | } | |
1005 | ||
1006 | static int | |
1007 | associate_workers_with_ns(void) | |
1008 | { | |
1009 | struct ns_entry *entry = g_namespaces; | |
1010 | struct worker_thread *worker = g_workers; | |
1011 | struct ns_worker_ctx *ns_ctx; | |
1012 | int i, count; | |
1013 | ||
1014 | count = g_num_namespaces > g_num_workers ? g_num_namespaces : g_num_workers; | |
1015 | ||
1016 | for (i = 0; i < count; i++) { | |
1017 | if (entry == NULL) { | |
1018 | break; | |
1019 | } | |
1020 | ||
1021 | ns_ctx = calloc(1, sizeof(struct ns_worker_ctx)); | |
1022 | if (!ns_ctx) { | |
1023 | return -1; | |
1024 | } | |
1025 | ||
1026 | printf("Associating %s with lcore %d\n", entry->name, worker->lcore); | |
1027 | ns_ctx->entry = entry; | |
1028 | ns_ctx->ctrlr_ctx = get_ctrlr_worker_ctx(entry->ctrlr); | |
1029 | if (!ns_ctx->ctrlr_ctx) { | |
1030 | free(ns_ctx); | |
1031 | return -1; | |
1032 | } | |
1033 | ||
1034 | ns_ctx->next = worker->ns_ctx; | |
1035 | worker->ns_ctx = ns_ctx; | |
1036 | ||
1037 | worker = worker->next; | |
1038 | if (worker == NULL) { | |
1039 | worker = g_workers; | |
1040 | } | |
1041 | ||
1042 | entry = entry->next; | |
1043 | if (entry == NULL) { | |
1044 | entry = g_namespaces; | |
1045 | } | |
1046 | } | |
1047 | ||
1048 | return 0; | |
1049 | } | |
1050 | ||
1051 | int main(int argc, char **argv) | |
1052 | { | |
1053 | int rc; | |
1054 | struct worker_thread *worker, *master_worker; | |
1055 | struct spdk_env_opts opts; | |
1056 | ||
1057 | rc = parse_args(argc, argv); | |
1058 | if (rc != 0) { | |
1059 | return rc; | |
1060 | } | |
1061 | ||
1062 | spdk_env_opts_init(&opts); | |
1063 | opts.name = "abort"; | |
1064 | opts.shm_id = g_shm_id; | |
1065 | if (g_core_mask) { | |
1066 | opts.core_mask = g_core_mask; | |
1067 | } | |
1068 | ||
1069 | if (g_dpdk_mem) { | |
1070 | opts.mem_size = g_dpdk_mem; | |
1071 | } | |
1072 | if (g_no_pci) { | |
1073 | opts.no_pci = g_no_pci; | |
1074 | } | |
1075 | if (spdk_env_init(&opts) < 0) { | |
1076 | fprintf(stderr, "Unable to initialize SPDK env\n"); | |
1077 | rc = -1; | |
1078 | goto cleanup; | |
1079 | } | |
1080 | ||
1081 | g_tsc_rate = spdk_get_ticks_hz(); | |
1082 | ||
1083 | if (register_workers() != 0) { | |
1084 | rc = -1; | |
1085 | goto cleanup; | |
1086 | } | |
1087 | ||
1088 | if (register_controllers() != 0) { | |
1089 | rc = -1; | |
1090 | goto cleanup; | |
1091 | } | |
1092 | ||
1093 | if (g_warn) { | |
1094 | printf("WARNING: Some requested NVMe devices were skipped\n"); | |
1095 | } | |
1096 | ||
1097 | if (g_num_namespaces == 0) { | |
1098 | fprintf(stderr, "No valid NVMe controllers found\n"); | |
1099 | goto cleanup; | |
1100 | } | |
1101 | ||
1102 | if (associate_master_worker_with_ctrlr() != 0) { | |
1103 | rc = -1; | |
1104 | goto cleanup; | |
1105 | } | |
1106 | ||
1107 | if (associate_workers_with_ns() != 0) { | |
1108 | rc = -1; | |
1109 | goto cleanup; | |
1110 | } | |
1111 | ||
1112 | printf("Initialization complete. Launching workers.\n"); | |
1113 | ||
1114 | /* Launch all of the slave workers */ | |
1115 | g_master_core = spdk_env_get_current_core(); | |
1116 | master_worker = NULL; | |
1117 | worker = g_workers; | |
1118 | while (worker != NULL) { | |
1119 | if (worker->lcore != g_master_core) { | |
1120 | spdk_env_thread_launch_pinned(worker->lcore, work_fn, worker); | |
1121 | } else { | |
1122 | assert(master_worker == NULL); | |
1123 | master_worker = worker; | |
1124 | } | |
1125 | worker = worker->next; | |
1126 | } | |
1127 | ||
1128 | assert(master_worker != NULL); | |
1129 | rc = work_fn(master_worker); | |
1130 | ||
1131 | spdk_env_thread_wait_all(); | |
1132 | ||
1133 | cleanup: | |
1134 | unregister_trids(); | |
1135 | unregister_workers(); | |
1136 | unregister_namespaces(); | |
1137 | unregister_controllers(); | |
1138 | ||
1139 | if (rc != 0) { | |
1140 | fprintf(stderr, "%s: errors occured\n", argv[0]); | |
1141 | } | |
1142 | ||
1143 | return rc; | |
1144 | } |