[fio.git] / eta.c

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

#include "fio.h"
#include "os.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, int eta_sec)
{
	unsigned int d, h, m, s;
	int disp_hour = 0;

	d = h = m = s = 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->verify) {
		if (td_rw(td))
			bytes_total = bytes_total * 3 / 2;
		else
			bytes_total <<= 1;
	}

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

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

		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;

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

		if (td->timeout && eta_sec > (td->timeout - elapsed))
			eta_sec = td->timeout - 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->timeout)
			t_eta = td->timeout + td->start_delay - elapsed;
		if (td->rate) {
			r_eta = (bytes_total / 1024) / td->rate;
			r_eta += td->start_delay - elapsed;
		}

		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, *eta_secs, eta_sec;
	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;
	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];

	if (temp_stall_ts || terse_output)
		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(int));
	memset(eta_secs, 0, thread_number * sizeof(int));

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