[fio.git] / eta.c

/*
 * Status and ETA code
 */
#include <unistd.h>
#include <fcntl.h>
#include <string.h>

#include "fio.h"

static char run_str[MAX_JOBS + 1];

/*
 * Sets the status of the 'td' in the printed status map.
 */
static void check_str_update(struct thread_data *td)
{
	char c = run_str[td->thread_number - 1];

	switch (td->runstate) {
	case TD_REAPED:
		c = '_';
		break;
	case TD_EXITED:
		c = 'E';
		break;
	case TD_RUNNING:
		if (td_rw(td)) {
			if (td_random(td))
				c = 'm';
			else
				c = 'M';
		} else if (td_read(td)) {
			if (td_random(td))
				c = 'r';
			else
				c = 'R';
		} else {
			if (td_random(td))
				c = 'w';
			else
				c = 'W';
		}
		break;
	case TD_VERIFYING:
		c = 'V';
		break;
	case TD_FSYNCING:
		c = 'F';
		break;
	case TD_CREATED:
		c = 'C';
		break;
	case TD_INITIALIZED:
		c = 'I';
		break;
	case TD_NOT_CREATED:
		c = 'P';
		break;
	default:
		log_err("state %d\n", td->runstate);
	}

	run_str[td->thread_number - 1] = c;
}

/*
 * Convert seconds to a printable string.
 */
static void eta_to_str(char *str, unsigned long eta_sec)
{
	unsigned int d, h, m, s;
	int disp_hour = 0;

	s = eta_sec % 60;
	eta_sec /= 60;
	m = eta_sec % 60;
	eta_sec /= 60;
	h = eta_sec % 24;
	eta_sec /= 24;
	d = eta_sec;

	if (d) {
		disp_hour = 1;
		str += sprintf(str, "%02ud:", d);
	}

	if (h || disp_hour)
		str += sprintf(str, "%02uh:", h);

	str += sprintf(str, "%02um:", m);
	str += sprintf(str, "%02us", s);
}

/*
 * Best effort calculation of the estimated pending runtime of a job.
 */
static int thread_eta(struct thread_data *td, unsigned long elapsed)
{
	unsigned long long bytes_total, bytes_done;
	unsigned long eta_sec = 0;

	bytes_total = td->total_io_size;

	/*
	 * if writing, bytes_total will be twice the size. If mixing,
	 * assume a 50/50 split and thus bytes_total will be 50% larger.
	 */
	if (td->o.do_verify && td->o.verify && td_write(td)) {
		if (td_rw(td))
			bytes_total = bytes_total * 3 / 2;
		else
			bytes_total <<= 1;
	}

	if (td->o.zone_size && td->o.zone_skip)
		bytes_total /= (td->o.zone_skip / td->o.zone_size);

	if (td->o.fill_device && td->o.size  == -1ULL)
		return 0;

	if (td->runstate == TD_RUNNING || td->runstate == TD_VERIFYING) {
		double perc, perc_t;

		bytes_done = td->io_bytes[DDIR_READ] + td->io_bytes[DDIR_WRITE];
		perc = (double) bytes_done / (double) bytes_total;
		if (perc > 1.0)
			perc = 1.0;

		if (td->o.time_based) {
			perc_t = (double) elapsed / (double) td->o.timeout;
			if (perc_t < perc)
				perc = perc_t;
		}

		eta_sec = (unsigned long) (elapsed * (1.0 / perc)) - elapsed;

		if (td->o.timeout &&
		    eta_sec > (td->o.timeout + done_secs - elapsed))
			eta_sec = td->o.timeout + done_secs - elapsed;
	} else if (td->runstate == TD_NOT_CREATED || td->runstate == TD_CREATED
			|| td->runstate == TD_INITIALIZED) {
		int t_eta = 0, r_eta = 0;

		/*
		 * We can only guess - assume it'll run the full timeout
		 * if given, otherwise assume it'll run at the specified rate.
		 */
		if (td->o.timeout)
			t_eta = td->o.timeout + td->o.start_delay;
		if (td->o.rate) {
			r_eta = (bytes_total / 1024) / td->o.rate;
			r_eta += td->o.start_delay;
		}

		if (r_eta && t_eta)
			eta_sec = min(r_eta, t_eta);
		else if (r_eta)
			eta_sec = r_eta;
		else if (t_eta)
			eta_sec = t_eta;
		else
			eta_sec = 0;
	} else {
		/*
		 * thread is already done or waiting for fsync
		 */
		eta_sec = 0;
	}

	return eta_sec;
}

static void calc_rate(unsigned long mtime, unsigned long long *io_bytes,
		      unsigned long long *prev_io_bytes, unsigned int *rate)
{
	rate[0] = (io_bytes[0] - prev_io_bytes[0]) / mtime;
	rate[1] = (io_bytes[1] - prev_io_bytes[1]) / mtime;
	prev_io_bytes[0] = io_bytes[0];
	prev_io_bytes[1] = io_bytes[1];
}

/*
 * Print status of the jobs we know about. This includes rate estimates,
 * ETA, thread state, etc.
 */
void print_thread_status(void)
{
	unsigned long elapsed = mtime_since_genesis() / 1000;
	int i, nr_running, nr_pending, t_rate, m_rate;
	int t_iops, m_iops, files_open;
	struct thread_data *td;
	char eta_str[128];
	double perc = 0.0;
	unsigned long long io_bytes[2];
	unsigned long rate_time, disp_time, bw_avg_time, *eta_secs, eta_sec;
	struct timeval now;

	static unsigned long long rate_io_bytes[2];
	static unsigned long long disp_io_bytes[2];
	static struct timeval rate_prev_time, disp_prev_time;
	static unsigned int rate[2];
	static int linelen_last;
	static int eta_good;

	if (temp_stall_ts || terse_output || eta_print == FIO_ETA_NEVER)
		return;

	if (!isatty(STDOUT_FILENO) && (eta_print != FIO_ETA_ALWAYS))
		return;

	if (!rate_io_bytes[0] && !rate_io_bytes[1])
		fill_start_time(&rate_prev_time);
	if (!disp_io_bytes[0] && !disp_io_bytes[1])
		fill_start_time(&disp_prev_time);

	eta_secs = malloc(thread_number * sizeof(unsigned long));
	memset(eta_secs, 0, thread_number * sizeof(unsigned long));

	io_bytes[0] = io_bytes[1] = 0;
	nr_pending = nr_running = t_rate = m_rate = t_iops = m_iops = 0;
	bw_avg_time = ULONG_MAX;
	files_open = 0;
	for_each_td(td, i) {
		if (td->o.bw_avg_time < bw_avg_time)
			bw_avg_time = td->o.bw_avg_time;
		if (td->runstate == TD_RUNNING || td->runstate == TD_VERIFYING
		    || td->runstate == TD_FSYNCING) {
			nr_running++;
			t_rate += td->o.rate;
			m_rate += td->o.ratemin;
			t_iops += td->o.rate_iops;
			m_iops += td->o.rate_iops_min;
			files_open += td->nr_open_files;
		} else if (td->runstate < TD_RUNNING)
			nr_pending++;

		if (elapsed >= 3)
			eta_secs[i] = thread_eta(td, elapsed);
		else
			eta_secs[i] = INT_MAX;

		check_str_update(td);
		io_bytes[0] += td->io_bytes[0];
		io_bytes[1] += td->io_bytes[1];
	}

	if (exitall_on_terminate)
		eta_sec = INT_MAX;
	else
		eta_sec = 0;

	for_each_td(td, i) {
		if (exitall_on_terminate) {
			if (eta_secs[i] < eta_sec)
				eta_sec = eta_secs[i];
		} else {
			if (eta_secs[i] > eta_sec)
				eta_sec = eta_secs[i];
		}
	}

	free(eta_secs);

	if (eta_sec != INT_MAX && elapsed) {
		perc = (double) elapsed / (double) (elapsed + eta_sec);
		eta_to_str(eta_str, eta_sec);
	}

	fio_gettime(&now, NULL);
	rate_time = mtime_since(&rate_prev_time, &now);

	if (write_bw_log && rate_time > bw_avg_time) {
		calc_rate(rate_time, io_bytes, rate_io_bytes, rate);
		memcpy(&rate_prev_time, &now, sizeof(now));
		add_agg_sample(rate[DDIR_READ], DDIR_READ);
		add_agg_sample(rate[DDIR_WRITE], DDIR_WRITE);
	}

	disp_time = mtime_since(&disp_prev_time, &now);
	if (disp_time < 1000)
		return;

	calc_rate(disp_time, io_bytes, disp_io_bytes, rate);
	memcpy(&disp_prev_time, &now, sizeof(now));

	if (!nr_running && !nr_pending)
		return;

	printf("Jobs: %d (f=%d)", nr_running, files_open);
	if (m_rate || t_rate)
		printf(", CR=%d/%d KiB/s", t_rate, m_rate);
	else if (m_iops || t_iops)
		printf(", CR=%d/%d IOPS", t_iops, m_iops);
	if (eta_sec != INT_MAX && nr_running) {
		char perc_str[32];
		int ll;

		if (!eta_sec && !eta_good)
			strcpy(perc_str, "-.-% done");
		else {
			eta_good = 1;
			perc *= 100.0;
			sprintf(perc_str, "%3.1f%% done", perc);
		}

		ll = printf(": [%s] [%s] [%6u/%6u kb/s] [eta %s]",
				 run_str, perc_str, rate[0], rate[1], eta_str);
		if (ll >= 0 && ll < linelen_last)
			printf("%*s", linelen_last - ll, "");
		linelen_last = ll;
	}
	printf("\r");
	fflush(stdout);
}

void print_status_init(int thread_number)
{
	run_str[thread_number] = 'P';
}
Commit	Line	Data
	1	/*
	2	* Status and ETA code
	3	*/
	4	#include <unistd.h>
	5	#include <fcntl.h>
	6	#include <string.h>
	7
	8	#include "fio.h"
	9
	10	static char run_str[MAX_JOBS + 1];
	11
	12	/*
	13	* Sets the status of the 'td' in the printed status map.
	14	*/
	15	static void check_str_update(struct thread_data *td)
	16	{
	17	char c = run_str[td->thread_number - 1];
	18
	19	switch (td->runstate) {
	20	case TD_REAPED:
	21	c = '_';
	22	break;
	23	case TD_EXITED:
	24	c = 'E';
	25	break;
	26	case TD_RUNNING:
	27	if (td_rw(td)) {
	28	if (td_random(td))
	29	c = 'm';
	30	else
	31	c = 'M';
	32	} else if (td_read(td)) {
	33	if (td_random(td))
	34	c = 'r';
	35	else
	36	c = 'R';
	37	} else {
	38	if (td_random(td))
	39	c = 'w';
	40	else
	41	c = 'W';
	42	}
	43	break;
	44	case TD_VERIFYING:
	45	c = 'V';
	46	break;
	47	case TD_FSYNCING:
	48	c = 'F';
	49	break;
	50	case TD_CREATED:
	51	c = 'C';
	52	break;
	53	case TD_INITIALIZED:
	54	c = 'I';
	55	break;
	56	case TD_NOT_CREATED:
	57	c = 'P';
	58	break;
	59	default:
	60	log_err("state %d\n", td->runstate);
	61	}
	62
	63	run_str[td->thread_number - 1] = c;
	64	}
	65
	66	/*
	67	* Convert seconds to a printable string.
	68	*/
	69	static void eta_to_str(char *str, unsigned long eta_sec)
	70	{
	71	unsigned int d, h, m, s;
	72	int disp_hour = 0;
	73
	74	s = eta_sec % 60;
	75	eta_sec /= 60;
	76	m = eta_sec % 60;
	77	eta_sec /= 60;
	78	h = eta_sec % 24;
	79	eta_sec /= 24;
	80	d = eta_sec;
	81
	82	if (d) {
	83	disp_hour = 1;
	84	str += sprintf(str, "%02ud:", d);
	85	}
	86
	87	if (h \|\| disp_hour)
	88	str += sprintf(str, "%02uh:", h);
	89
	90	str += sprintf(str, "%02um:", m);
	91	str += sprintf(str, "%02us", s);
	92	}
	93
	94	/*
	95	* Best effort calculation of the estimated pending runtime of a job.
	96	*/
	97	static int thread_eta(struct thread_data *td, unsigned long elapsed)
	98	{
	99	unsigned long long bytes_total, bytes_done;
	100	unsigned long eta_sec = 0;
	101
	102	bytes_total = td->total_io_size;
	103
	104	/*
	105	* if writing, bytes_total will be twice the size. If mixing,
	106	* assume a 50/50 split and thus bytes_total will be 50% larger.
	107	*/
	108	if (td->o.do_verify && td->o.verify && td_write(td)) {
	109	if (td_rw(td))
	110	bytes_total = bytes_total * 3 / 2;
	111	else
	112	bytes_total <<= 1;
	113	}
	114
	115	if (td->o.zone_size && td->o.zone_skip)
	116	bytes_total /= (td->o.zone_skip / td->o.zone_size);
	117
	118	if (td->o.fill_device && td->o.size == -1ULL)
	119	return 0;
	120
	121	if (td->runstate == TD_RUNNING \|\| td->runstate == TD_VERIFYING) {
	122	double perc, perc_t;
	123
	124	bytes_done = td->io_bytes[DDIR_READ] + td->io_bytes[DDIR_WRITE];
	125	perc = (double) bytes_done / (double) bytes_total;
	126	if (perc > 1.0)
	127	perc = 1.0;
	128
	129	if (td->o.time_based) {
	130	perc_t = (double) elapsed / (double) td->o.timeout;
	131	if (perc_t < perc)
	132	perc = perc_t;
	133	}
	134
	135	eta_sec = (unsigned long) (elapsed * (1.0 / perc)) - elapsed;
	136
	137	if (td->o.timeout &&
	138	eta_sec > (td->o.timeout + done_secs - elapsed))
	139	eta_sec = td->o.timeout + done_secs - elapsed;
	140	} else if (td->runstate == TD_NOT_CREATED \|\| td->runstate == TD_CREATED
	141	\|\| td->runstate == TD_INITIALIZED) {
	142	int t_eta = 0, r_eta = 0;
	143
	144	/*
	145	* We can only guess - assume it'll run the full timeout
	146	* if given, otherwise assume it'll run at the specified rate.
	147	*/
	148	if (td->o.timeout)
	149	t_eta = td->o.timeout + td->o.start_delay;
	150	if (td->o.rate) {
	151	r_eta = (bytes_total / 1024) / td->o.rate;
	152	r_eta += td->o.start_delay;
	153	}
	154
	155	if (r_eta && t_eta)
	156	eta_sec = min(r_eta, t_eta);
	157	else if (r_eta)
	158	eta_sec = r_eta;
	159	else if (t_eta)
	160	eta_sec = t_eta;
	161	else
	162	eta_sec = 0;
	163	} else {
	164	/*
	165	* thread is already done or waiting for fsync
	166	*/
	167	eta_sec = 0;
	168	}
	169
	170	return eta_sec;
	171	}
	172
	173	static void calc_rate(unsigned long mtime, unsigned long long *io_bytes,
	174	unsigned long long prev_io_bytes, unsigned int rate)
	175	{
	176	rate[0] = (io_bytes[0] - prev_io_bytes[0]) / mtime;
	177	rate[1] = (io_bytes[1] - prev_io_bytes[1]) / mtime;
	178	prev_io_bytes[0] = io_bytes[0];
	179	prev_io_bytes[1] = io_bytes[1];
	180	}
	181
	182	/*
	183	* Print status of the jobs we know about. This includes rate estimates,
	184	* ETA, thread state, etc.
	185	*/
	186	void print_thread_status(void)
	187	{
	188	unsigned long elapsed = mtime_since_genesis() / 1000;
	189	int i, nr_running, nr_pending, t_rate, m_rate;
	190	int t_iops, m_iops, files_open;
	191	struct thread_data *td;
	192	char eta_str[128];
	193	double perc = 0.0;
	194	unsigned long long io_bytes[2];
	195	unsigned long rate_time, disp_time, bw_avg_time, *eta_secs, eta_sec;
	196	struct timeval now;
	197
	198	static unsigned long long rate_io_bytes[2];
	199	static unsigned long long disp_io_bytes[2];
	200	static struct timeval rate_prev_time, disp_prev_time;
	201	static unsigned int rate[2];
	202	static int linelen_last;
	203	static int eta_good;
	204
	205	if (temp_stall_ts \|\| terse_output \|\| eta_print == FIO_ETA_NEVER)
	206	return;
	207
	208	if (!isatty(STDOUT_FILENO) && (eta_print != FIO_ETA_ALWAYS))
	209	return;
	210
	211	if (!rate_io_bytes[0] && !rate_io_bytes[1])
	212	fill_start_time(&rate_prev_time);
	213	if (!disp_io_bytes[0] && !disp_io_bytes[1])
	214	fill_start_time(&disp_prev_time);
	215
	216	eta_secs = malloc(thread_number * sizeof(unsigned long));
	217	memset(eta_secs, 0, thread_number * sizeof(unsigned long));
	218
	219	io_bytes[0] = io_bytes[1] = 0;
	220	nr_pending = nr_running = t_rate = m_rate = t_iops = m_iops = 0;
	221	bw_avg_time = ULONG_MAX;
	222	files_open = 0;
	223	for_each_td(td, i) {
	224	if (td->o.bw_avg_time < bw_avg_time)
	225	bw_avg_time = td->o.bw_avg_time;
	226	if (td->runstate == TD_RUNNING \|\| td->runstate == TD_VERIFYING
	227	\|\| td->runstate == TD_FSYNCING) {
	228	nr_running++;
	229	t_rate += td->o.rate;
	230	m_rate += td->o.ratemin;
	231	t_iops += td->o.rate_iops;
	232	m_iops += td->o.rate_iops_min;
	233	files_open += td->nr_open_files;
	234	} else if (td->runstate < TD_RUNNING)
	235	nr_pending++;
	236
	237	if (elapsed >= 3)
	238	eta_secs[i] = thread_eta(td, elapsed);
	239	else
	240	eta_secs[i] = INT_MAX;
	241
	242	check_str_update(td);
	243	io_bytes[0] += td->io_bytes[0];
	244	io_bytes[1] += td->io_bytes[1];
	245	}
	246
	247	if (exitall_on_terminate)
	248	eta_sec = INT_MAX;
	249	else
	250	eta_sec = 0;
	251
	252	for_each_td(td, i) {
	253	if (exitall_on_terminate) {
	254	if (eta_secs[i] < eta_sec)
	255	eta_sec = eta_secs[i];
	256	} else {
	257	if (eta_secs[i] > eta_sec)
	258	eta_sec = eta_secs[i];
	259	}
	260	}
	261
	262	free(eta_secs);
	263
	264	if (eta_sec != INT_MAX && elapsed) {
	265	perc = (double) elapsed / (double) (elapsed + eta_sec);
	266	eta_to_str(eta_str, eta_sec);
	267	}
	268
	269	fio_gettime(&now, NULL);
	270	rate_time = mtime_since(&rate_prev_time, &now);
	271
	272	if (write_bw_log && rate_time > bw_avg_time) {
	273	calc_rate(rate_time, io_bytes, rate_io_bytes, rate);
	274	memcpy(&rate_prev_time, &now, sizeof(now));
	275	add_agg_sample(rate[DDIR_READ], DDIR_READ);
	276	add_agg_sample(rate[DDIR_WRITE], DDIR_WRITE);
	277	}
	278
	279	disp_time = mtime_since(&disp_prev_time, &now);
	280	if (disp_time < 1000)
	281	return;
	282
	283	calc_rate(disp_time, io_bytes, disp_io_bytes, rate);
	284	memcpy(&disp_prev_time, &now, sizeof(now));
	285
	286	if (!nr_running && !nr_pending)
	287	return;
	288
	289	printf("Jobs: %d (f=%d)", nr_running, files_open);
	290	if (m_rate \|\| t_rate)
	291	printf(", CR=%d/%d KiB/s", t_rate, m_rate);
	292	else if (m_iops \|\| t_iops)
	293	printf(", CR=%d/%d IOPS", t_iops, m_iops);
	294	if (eta_sec != INT_MAX && nr_running) {
	295	char perc_str[32];
	296	int ll;
	297
	298	if (!eta_sec && !eta_good)
	299	strcpy(perc_str, "-.-% done");
	300	else {
	301	eta_good = 1;
	302	perc *= 100.0;
	303	sprintf(perc_str, "%3.1f%% done", perc);
	304	}
	305
	306	ll = printf(": [%s] [%s] [%6u/%6u kb/s] [eta %s]",
	307	run_str, perc_str, rate[0], rate[1], eta_str);
	308	if (ll >= 0 && ll < linelen_last)
	309	printf("%*s", linelen_last - ll, "");
	310	linelen_last = ll;
	311	}
	312	printf("\r");
	313	fflush(stdout);
	314	}
	315
	316	void print_status_init(int thread_number)
	317	{
	318	run_str[thread_number] = 'P';
	319	}