1 #include "../fio.h"
2 #include "../profile.h"
3 #include "../parse.h"
4 #include "../optgroup.h"
5 
6 /*
7  * 1x loads
8  */
9 #define R_LOAD		2000
10 #define W_LOAD		1000
11 
12 #define SAMPLE_SEC	3600		/* 1h checks */
13 
14 struct act_pass_criteria {
15 	unsigned int max_usec;
16 	unsigned int max_perm;
17 };
18 #define ACT_MAX_CRIT	3
19 
20 static struct act_pass_criteria act_pass[ACT_MAX_CRIT] = {
21 	{
22 		.max_usec =	1000,
23 		.max_perm =	50,
24 	},
25 	{
26 		.max_usec =	8000,
27 		.max_perm =	10,
28 	},
29 	{
30 		.max_usec = 	64000,
31 		.max_perm =	1,
32 	},
33 };
34 
35 struct act_slice {
36 	uint64_t lat_buckets[ACT_MAX_CRIT];
37 	uint64_t total_ios;
38 };
39 
40 struct act_run_data {
41 	struct fio_mutex *mutex;
42 	unsigned int pending;
43 
44 	struct act_slice *slices;
45 	unsigned int nr_slices;
46 };
47 static struct act_run_data *act_run_data;
48 
49 struct act_prof_data {
50 	struct timeval sample_tv;
51 	struct act_slice *slices;
52 	unsigned int cur_slice;
53 	unsigned int nr_slices;
54 };
55 
56 static char *device_names;
57 static unsigned int load;
58 static unsigned int prep;
59 static unsigned int threads_per_queue;
60 static unsigned int num_read_blocks;
61 static unsigned int write_size;
62 static unsigned long long test_duration;
63 
64 #define ACT_MAX_OPTS	128
65 static const char *act_opts[ACT_MAX_OPTS] = {
66 	"direct=1",
67 	"ioengine=sync",
68 	"random_generator=lfsr",
69 	"group_reporting=1",
70 	"thread",
71 	NULL,
72 };
73 static unsigned int opt_idx = 5;
74 static unsigned int org_idx;
75 
76 static int act_add_opt(const char *format, ...) __attribute__ ((__format__ (__printf__, 1, 2)));
77 
78 struct act_options {
79 	unsigned int pad;
80 	char *device_names;
81 	unsigned int load;
82 	unsigned int prep;
83 	unsigned int threads_per_queue;
84 	unsigned int num_read_blocks;
85 	unsigned int write_size;
86 	unsigned long long test_duration;
87 };
88 
89 static struct act_options act_options;
90 
91 static struct fio_option options[] = {
92 	{
93 		.name	= "device-names",
94 		.lname	= "device-names",
95 		.type	= FIO_OPT_STR_STORE,
96 		.off1	= offsetof(struct act_options, device_names),
97 		.help	= "Devices to use",
98 		.category = FIO_OPT_C_PROFILE,
99 		.group	= FIO_OPT_G_ACT,
100 	},
101 	{
102 		.name	= "load",
103 		.lname	= "Load multiplier",
104 		.type	= FIO_OPT_INT,
105 		.off1	= offsetof(struct act_options, load),
106 		.help	= "ACT load multipler (default 1x)",
107 		.def	= "1",
108 		.category = FIO_OPT_C_PROFILE,
109 		.group	= FIO_OPT_G_ACT,
110 	},
111 	{
112 		.name	= "test-duration",
113 		.lname	= "Test duration",
114 		.type	= FIO_OPT_STR_VAL_TIME,
115 		.off1	= offsetof(struct act_options, test_duration),
116 		.help	= "How long the entire test takes to run",
117 		.def	= "24h",
118 		.category = FIO_OPT_C_PROFILE,
119 		.group	= FIO_OPT_G_ACT,
120 	},
121 	{
122 		.name	= "threads-per-queue",
123 		.lname	= "Number of read IO threads per device",
124 		.type	= FIO_OPT_INT,
125 		.off1	= offsetof(struct act_options, threads_per_queue),
126 		.help	= "Number of read IO threads per device",
127 		.def	= "8",
128 		.category = FIO_OPT_C_PROFILE,
129 		.group	= FIO_OPT_G_ACT,
130 	},
131 	{
132 		.name	= "read-req-num-512-blocks",
133 		.lname	= "Number of 512B blocks to read",
134 		.type	= FIO_OPT_INT,
135 		.off1	= offsetof(struct act_options, num_read_blocks),
136 		.help	= "Number of 512B blocks to read at the time",
137 		.def	= "3",
138 		.category = FIO_OPT_C_PROFILE,
139 		.group	= FIO_OPT_G_ACT,
140 	},
141 	{
142 		.name	= "large-block-op-kbytes",
143 		.lname	= "Size of large block ops in KiB (writes)",
144 		.type	= FIO_OPT_INT,
145 		.off1	= offsetof(struct act_options, write_size),
146 		.help	= "Size of large block ops in KiB (writes)",
147 		.def	= "131072",
148 		.category = FIO_OPT_C_PROFILE,
149 		.group	= FIO_OPT_G_ACT,
150 	},
151 	{
152 		.name	= "prep",
153 		.lname	= "Run ACT prep phase",
154 		.type	= FIO_OPT_STR_SET,
155 		.off1	= offsetof(struct act_options, prep),
156 		.help	= "Set to run ACT prep phase",
157 		.category = FIO_OPT_C_PROFILE,
158 		.group	= FIO_OPT_G_ACT,
159 	},
160 	{
161 		.name	= NULL,
162 	},
163 };
164 
act_add_opt(const char * str,...)165 static int act_add_opt(const char *str, ...)
166 {
167 	char buffer[512];
168 	va_list args;
169 	size_t len;
170 
171 	if (opt_idx == ACT_MAX_OPTS) {
172 		log_err("act: ACT_MAX_OPTS is too small\n");
173 		return 1;
174 	}
175 
176 	va_start(args, str);
177 	len = vsnprintf(buffer, sizeof(buffer), str, args);
178 	va_end(args);
179 
180 	if (len)
181 		act_opts[opt_idx++] = strdup(buffer);
182 
183 	return 0;
184 }
185 
act_add_rw(const char * dev,int reads)186 static int act_add_rw(const char *dev, int reads)
187 {
188 	if (act_add_opt("name=act-%s-%s", reads ? "read" : "write", dev))
189 		return 1;
190 	if (act_add_opt("filename=%s", dev))
191 		return 1;
192 	if (act_add_opt("rw=%s", reads ? "randread" : "randwrite"))
193 		return 1;
194 	if (reads) {
195 		int rload = load * R_LOAD / threads_per_queue;
196 
197 		if (act_add_opt("numjobs=%u", threads_per_queue))
198 			return 1;
199 		if (act_add_opt("rate_iops=%u", rload))
200 			return 1;
201 		if (act_add_opt("bs=%u", num_read_blocks * 512))
202 			return 1;
203 	} else {
204 		const int rsize = write_size / (num_read_blocks * 512);
205 		int wload = (load * W_LOAD + rsize - 1) / rsize;
206 
207 		if (act_add_opt("rate_iops=%u", wload))
208 			return 1;
209 		if (act_add_opt("bs=%u", write_size))
210 			return 1;
211 	}
212 
213 	return 0;
214 }
215 
act_add_dev_prep(const char * dev)216 static int act_add_dev_prep(const char *dev)
217 {
218 	/* Add sequential zero phase */
219 	if (act_add_opt("name=act-prep-zeroes-%s", dev))
220 		return 1;
221 	if (act_add_opt("filename=%s", dev))
222 		return 1;
223 	if (act_add_opt("bs=1048576"))
224 		return 1;
225 	if (act_add_opt("zero_buffers"))
226 		return 1;
227 	if (act_add_opt("rw=write"))
228 		return 1;
229 
230 	/* Randomly overwrite device */
231 	if (act_add_opt("name=act-prep-salt-%s", dev))
232 		return 1;
233 	if (act_add_opt("stonewall"))
234 		return 1;
235 	if (act_add_opt("filename=%s", dev))
236 		return 1;
237 	if (act_add_opt("bs=4096"))
238 		return 1;
239 	if (act_add_opt("ioengine=libaio"))
240 		return 1;
241 	if (act_add_opt("iodepth=64"))
242 		return 1;
243 	if (act_add_opt("rw=randwrite"))
244 		return 1;
245 
246 	return 0;
247 }
248 
act_add_dev(const char * dev)249 static int act_add_dev(const char *dev)
250 {
251 	if (prep)
252 		return act_add_dev_prep(dev);
253 
254 	if (act_add_opt("runtime=%llus", test_duration))
255 		return 1;
256 	if (act_add_opt("time_based=1"))
257 		return 1;
258 
259 	if (act_add_rw(dev, 1))
260 		return 1;
261 	if (act_add_rw(dev, 0))
262 		return 1;
263 
264 	return 0;
265 }
266 
267 /*
268  * Fill our private options into the command line
269  */
act_prep_cmdline(void)270 static int act_prep_cmdline(void)
271 {
272 	if (!device_names) {
273 		log_err("act: you need to set IO target(s) with the "
274 			"device-names option.\n");
275 		return 1;
276 	}
277 
278 	org_idx = opt_idx;
279 
280 	do {
281 		char *dev;
282 
283 		dev = strsep(&device_names, ",");
284 		if (!dev)
285 			break;
286 
287 		if (act_add_dev(dev)) {
288 			log_err("act: failed adding device to the mix\n");
289 			break;
290 		}
291 	} while (1);
292 
293 	return 0;
294 }
295 
act_io_u_lat(struct thread_data * td,uint64_t usec)296 static int act_io_u_lat(struct thread_data *td, uint64_t usec)
297 {
298 	struct act_prof_data *apd = td->prof_data;
299 	struct act_slice *slice;
300 	int i, ret = 0;
301 	double perm;
302 
303 	if (prep)
304 		return 0;
305 
306 	/*
307 	 * Really should not happen, but lets not let jitter at the end
308 	 * ruin our day.
309 	 */
310 	if (apd->cur_slice >= apd->nr_slices)
311 		return 0;
312 
313 	slice = &apd->slices[apd->cur_slice];
314 	slice->total_ios++;
315 
316 	for (i = ACT_MAX_CRIT - 1; i >= 0; i--) {
317 		if (usec > act_pass[i].max_usec) {
318 			slice->lat_buckets[i]++;
319 			break;
320 		}
321 	}
322 
323 	if (time_since_now(&apd->sample_tv) < SAMPLE_SEC)
324 		return 0;
325 
326 	/* SAMPLE_SEC has passed, check criteria for pass */
327 	for (i = 0; i < ACT_MAX_CRIT; i++) {
328 		perm = (1000.0 * slice->lat_buckets[i]) / slice->total_ios;
329 		if (perm < act_pass[i].max_perm)
330 			continue;
331 
332 		log_err("act: %f%% exceeds pass criteria of %f%%\n", perm / 10.0, (double) act_pass[i].max_perm / 10.0);
333 		ret = 1;
334 		break;
335 	}
336 
337 	fio_gettime(&apd->sample_tv, NULL);
338 	apd->cur_slice++;
339 	return ret;
340 }
341 
get_act_ref(void)342 static void get_act_ref(void)
343 {
344 	fio_mutex_down(act_run_data->mutex);
345 	act_run_data->pending++;
346 	fio_mutex_up(act_run_data->mutex);
347 }
348 
show_slice(struct act_slice * slice,unsigned int slice_num)349 static int show_slice(struct act_slice *slice, unsigned int slice_num)
350 {
351 	unsigned int i, failed = 0;
352 
353 	log_info("   %2u", slice_num);
354 
355 	for (i = 0; i < ACT_MAX_CRIT; i++) {
356 		double perc = 0.0;
357 
358 		if (slice->total_ios)
359 			perc = 100.0 * (double) slice->lat_buckets[i] / (double) slice->total_ios;
360 		if ((perc * 10.0) >= act_pass[i].max_perm)
361 			failed++;
362 		log_info("\t%2.2f", perc);
363 	}
364 	for (i = 0; i < ACT_MAX_CRIT; i++) {
365 		double perc = 0.0;
366 
367 		if (slice->total_ios)
368 			perc = 100.0 * (double) slice->lat_buckets[i] / (double) slice->total_ios;
369 		log_info("\t%2.2f", perc);
370 	}
371 	log_info("\n");
372 
373 	return failed;
374 }
375 
act_show_all_stats(void)376 static void act_show_all_stats(void)
377 {
378 	unsigned int i, fails = 0;
379 
380 	log_info("        trans                   device\n");
381 	log_info("        %%>(ms)                  %%>(ms)\n");
382 	log_info(" slice");
383 
384 	for (i = 0; i < ACT_MAX_CRIT; i++)
385 		log_info("\t %2u", act_pass[i].max_usec / 1000);
386 	for (i = 0; i < ACT_MAX_CRIT; i++)
387 		log_info("\t %2u", act_pass[i].max_usec / 1000);
388 
389 	log_info("\n");
390 	log_info(" -----  -----   -----  ------   -----   -----  ------\n");
391 
392 	for (i = 0; i < act_run_data->nr_slices; i++)
393 		fails += show_slice(&act_run_data->slices[i], i + 1);
394 
395 	log_info("\nact: test complete, device(s): %s\n", fails ? "FAILED" : "PASSED");
396 }
397 
put_act_ref(struct thread_data * td)398 static void put_act_ref(struct thread_data *td)
399 {
400 	struct act_prof_data *apd = td->prof_data;
401 	unsigned int i, slice;
402 
403 	fio_mutex_down(act_run_data->mutex);
404 
405 	if (!act_run_data->slices) {
406 		act_run_data->slices = calloc(apd->nr_slices, sizeof(struct act_slice));
407 		act_run_data->nr_slices = apd->nr_slices;
408 	}
409 
410 	for (slice = 0; slice < apd->nr_slices; slice++) {
411 		struct act_slice *dst = &act_run_data->slices[slice];
412 		struct act_slice *src = &apd->slices[slice];
413 
414 		dst->total_ios += src->total_ios;
415 
416 		for (i = 0; i < ACT_MAX_CRIT; i++)
417 			dst->lat_buckets[i] += src->lat_buckets[i];
418 	}
419 
420 	if (!--act_run_data->pending)
421 		act_show_all_stats();
422 
423 	fio_mutex_up(act_run_data->mutex);
424 }
425 
act_td_init(struct thread_data * td)426 static int act_td_init(struct thread_data *td)
427 {
428 	struct act_prof_data *apd;
429 	unsigned int nr_slices;
430 
431 	get_act_ref();
432 
433 	apd = calloc(1, sizeof(*apd));
434 	nr_slices = (test_duration + SAMPLE_SEC - 1) / SAMPLE_SEC;
435 	apd->slices = calloc(nr_slices, sizeof(struct act_slice));
436 	apd->nr_slices = nr_slices;
437 	fio_gettime(&apd->sample_tv, NULL);
438 	td->prof_data = apd;
439 	return 0;
440 }
441 
act_td_exit(struct thread_data * td)442 static void act_td_exit(struct thread_data *td)
443 {
444 	struct act_prof_data *apd = td->prof_data;
445 
446 	put_act_ref(td);
447 	free(apd->slices);
448 	free(apd);
449 	td->prof_data = NULL;
450 }
451 
452 static struct prof_io_ops act_io_ops = {
453 	.td_init	= act_td_init,
454 	.td_exit	= act_td_exit,
455 	.io_u_lat	= act_io_u_lat,
456 };
457 
458 static struct profile_ops act_profile = {
459 	.name		= "act",
460 	.desc		= "ACT Aerospike like benchmark",
461 	.options	= options,
462 	.opt_data	= &act_options,
463 	.prep_cmd	= act_prep_cmdline,
464 	.cmdline	= act_opts,
465 	.io_ops		= &act_io_ops,
466 };
467 
act_register(void)468 static void fio_init act_register(void)
469 {
470 	act_run_data = calloc(1, sizeof(*act_run_data));
471 	act_run_data->mutex = fio_mutex_init(FIO_MUTEX_UNLOCKED);
472 
473 	if (register_profile(&act_profile))
474 		log_err("fio: failed to register profile 'act'\n");
475 }
476 
act_unregister(void)477 static void fio_exit act_unregister(void)
478 {
479 	while (org_idx && org_idx < opt_idx)
480 		free((void *) act_opts[++org_idx]);
481 
482 	unregister_profile(&act_profile);
483 	fio_mutex_remove(act_run_data->mutex);
484 	free(act_run_data->slices);
485 	free(act_run_data);
486 	act_run_data = NULL;
487 }
488