mirrors/pipewire
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/pipewire/pipewire.git synced 2025-11-05 13:30:02 -05:00
Code Issues Projects Releases Packages Wiki Activity Actions

pw-profiler: add some more driver measurements

Browse source 
Add estimated period
Add reported driver delay
This commit is contained in:
Wim Taymans 2020-01-31 17:56:00 +01:00
parent 8b303361d8
commit 6f31a16024
1 changed files with 33 additions and 20 deletions
Download patch file Download diff file Expand all files Collapse all files

53
src/tools/pw-profiler.c
View file

@ -74,7 +74,7 @@ struct measurement {
};
struct point {
float period_usecs;
struct spa_io_clock clock;
struct measurement driver;
struct measurement follower[MAX_FOLLOWERS];
};
@ -91,7 +91,7 @@ static int process_driver_block(struct data *d, const struct spa_pod *pod, struc
} dummy;
struct spa_io_clock clock;
uint32_t driver_id;
struct point p;
struct measurement driver;
spa_pod_parse_struct(pod,
SPA_POD_Long(&dummy.l),
@ -107,13 +107,12 @@ static int process_driver_block(struct data *d, const struct spa_pod *pod, struc
SPA_POD_Long(&clock.delay),
SPA_POD_Double(&clock.rate_diff),
SPA_POD_Long(&clock.next_nsec),
SPA_POD_Long(&p.driver.prev_signal),
SPA_POD_Long(&p.driver.signal),
SPA_POD_Long(&p.driver.awake),
SPA_POD_Long(&p.driver.finish),
SPA_POD_Int(&p.driver.status));
SPA_POD_Long(&driver.prev_signal),
SPA_POD_Long(&driver.signal),
SPA_POD_Long(&driver.awake),
SPA_POD_Long(&driver.finish),
SPA_POD_Int(&driver.status));
p.period_usecs = clock.duration * (float)SPA_USEC_PER_SEC / (clock.rate.denom * clock.rate_diff);
if (d->driver_id == 0) {
d->driver_id = driver_id;
fprintf(stderr, "logging driver %u\n", driver_id);
@ -121,8 +120,8 @@ static int process_driver_block(struct data *d, const struct spa_pod *pod, struc
else if (d->driver_id != driver_id)
return -1;
point->period_usecs = p.period_usecs;
point->driver = p.driver;
point->clock = clock;
point->driver = driver;
return 0;
}
@ -183,25 +182,35 @@ static void dump_point(struct data *d, struct point *point)
{
int i;
int64_t d1, d2;
int64_t delay, period_usecs;
#define CLOCK_AS_USEC(cl,val) (val * (float)SPA_USEC_PER_SEC / (cl)->rate.denom)
#define CLOCK_AS_SUSEC(cl,val) (val * (float)SPA_USEC_PER_SEC / ((cl)->rate.denom * (cl)->rate_diff))
delay = CLOCK_AS_USEC(&point->clock, point->clock.delay);
period_usecs = CLOCK_AS_SUSEC(&point->clock, point->clock.duration);
d1 = (point->driver.signal - point->driver.prev_signal) / 1000;
d2 = (point->driver.finish - point->driver.signal) / 1000;
if (d1 > point->period_usecs * 1.3 ||
d2 > point->period_usecs * 1.3)
d1 = d2 = point->period_usecs * 1.4;
if (d1 > period_usecs * 1.3 ||
d2 > period_usecs * 1.3)
d1 = d2 = period_usecs * 1.4;
fprintf(d->output, "%"PRIi64"\t%"PRIi64"\t", d1 > 0 ? d1 : 0, d2 > 0 ? d2 : 0);
/* 4 columns for the driver */
fprintf(d->output, "%"PRIi64"\t%"PRIi64"\t%"PRIi64"\t%"PRIi64"\t",
d1 > 0 ? d1 : 0, d2 > 0 ? d2 : 0, delay, period_usecs);
for (i = 0; i < MAX_FOLLOWERS; i++) {
/* 8 columns for each follower */
if (point->follower[i].status == 0) {
fprintf(d->output, " \t \t \t \t \t \t \t");
fprintf(d->output, " \t \t \t \t \t \t \t \t");
} else {
int64_t d4 = (point->follower[i].signal - point->driver.signal) / 1000;
int64_t d5 = (point->follower[i].awake - point->driver.signal) / 1000;
int64_t d6 = (point->follower[i].finish - point->driver.signal) / 1000;
fprintf(d->output, "%u\t%"PRIi64"\t%"PRIi64"\t%"PRIi64"\t%"PRIi64"\t%"PRIi64"\t%d\t",
fprintf(d->output, "%u\t%"PRIi64"\t%"PRIi64"\t%"PRIi64"\t%"PRIi64"\t%"PRIi64"\t%d\t0\t",
d->followers[i].id,
d4 > 0 ? d4 : 0,
d5 > 0 ? d5 : 0,
@ -231,11 +240,15 @@ static void dump_scripts(struct data *d)
fprintf(out,
"set output 'Timing1.svg\n"
"set terminal svg\n"
"set multiplot\n"
"set grid\n"
"set title \"Audio driver timing\"\n"
"set xlabel \"audio cycles\"\n"
"set ylabel \"usec\"\n"
"plot \"%s\" using 1 title \"Audio period\" with lines \n"
"plot \"%1$s\" using 3 title \"Audio driver delay\" with lines, "
"\"%1$s\" using 1 title \"Audio period\" with lines,"
"\"%1$s\" using 4 title \"Audio estimated\" with lines\n"
"unset multiplot\n"
"unset output\n", d->filename);
fclose(out);
}
@ -276,7 +289,7 @@ static void dump_scripts(struct data *d)
for (i = 0; i < d->n_followers; i++) {
fprintf(out,
"\"%s\" using %d title \"%s/%u\" with lines%s",
d->filename, ((i + 1) * 7) - 1,
d->filename, 4 + (i * 8) + 4,
d->followers[i].name, d->followers[i].id,
i+1 < d->n_followers ? ", " : "");
}
@ -303,7 +316,7 @@ static void dump_scripts(struct data *d)
for (i = 0; i < d->n_followers; i++) {
fprintf(out,
"\"%s\" using %d title \"%s/%u\" with lines%s",
d->filename, ((i + 1) * 7),
d->filename, 4 + (i * 8) + 5,
d->followers[i].name, d->followers[i].id,
i+1 < d->n_followers ? ", " : "");
}
@ -330,7 +343,7 @@ static void dump_scripts(struct data *d)
for (i = 0; i < d->n_followers; i++) {
fprintf(out,
"\"%s\" using %d title \"%s/%u\" with lines%s",
d->filename, ((i + 1) * 7) + 1,
d->filename, 4 + (i * 8) + 6,
d->followers[i].name, d->followers[i].id,
i+1 < d->n_followers ? ", " : "");
}