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Software for White Rabbit PTP Core
Commit 55e1779e authored by Adam Wujek's avatar Adam Wujek 💬 Committed by Grzegorz Daniluk
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wrc_main: change max execution time to use monotonic clock and ms counter 

There is no ns monotonic counter:(
Signed-off-by: Adam Wujek's avatarAdam Wujek <adam.wujek@cern.ch>
parent 86f565c2
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Showing with 28 additions and 12 deletions
include/wrc-task.h
View file @ 55e1779e
......@@ -21,7 +21,7 @@ struct wrc_task {
unsigned long nrun;
unsigned long seconds;
unsigned long nanos;
unsigned long max_run; /* in nanos */
unsigned long max_run_ticks; /* in ticks */
};
/* An helper for periodic tasks, relying on a static varible */
......
shell/cmd_ps.c
View file @ 55e1779e
......@@ -21,7 +21,7 @@ static int cmd_ps(const char *args[])
if (args[0]) {
if(!strcasecmp(args[0], "reset")) {
for_each_task(t)
t->nrun = t->seconds = t->nanos = t->max_run = 0;
t->nrun = t->seconds = t->nanos = t->max_run_ticks = 0;
return 0;
} else if (!strcasecmp(args[0], "max")) {
if (args[1])
......@@ -31,10 +31,10 @@ static int cmd_ps(const char *args[])
return 0;
}
}
pp_printf(" iterations seconds.micros max name\n");
pp_printf(" iterations seconds.micros max_ms name\n");
for_each_task(t)
pp_printf(" %9li %9li.%06li %9ld %s\n", t->nrun,
t->seconds, t->nanos/1000, t->max_run, t->name);
t->seconds, t->nanos/1000, t->max_run_ticks, t->name);
return 0;
}
......
wrc_main.c
View file @ 55e1779e
......@@ -44,6 +44,7 @@ uint32_t cal_phase_transition = 2389;
int wrc_vlan_number = CONFIG_VLAN_NR;
static uint32_t prev_nanos_for_profile;
static uint32_t prev_ticks_for_profile;
#define DEFAULT_PRINT_TASK_TIME_THRESHOLD 0
uint32_t print_task_time_threshold = DEFAULT_PRINT_TASK_TIME_THRESHOLD;
......@@ -106,6 +107,8 @@ static void wrc_initialize(void)
wrc_ptp_set_mode(WRC_MODE_SLAVE);
wrc_ptp_start();
shw_pps_gen_get_time(NULL, &prev_nanos_for_profile);
/* get tics */
prev_ticks_for_profile = timer_get_tics();
}
DEFINE_WRC_TASK0(idle) = {
......@@ -229,28 +232,41 @@ static void account_task(struct wrc_task *t, int done_sth)
{
uint32_t nanos;
signed int delta;
uint32_t ticks;
signed int delta_ticks;
if (!done_sth)
t = __task_begin; /* task 0 is special */
shw_pps_gen_get_time(NULL, &nanos);
/* get monotonic number of ticks */
ticks = timer_get_tics();
delta = nanos - prev_nanos_for_profile;
if (delta < 0)
delta += 1000 * 1000 * 1000;
t->nanos += delta;
task_time_normalize(t);
if (t->max_run < delta) {/* update max_run */
if (print_task_time_threshold
&& delta > print_task_time_threshold) {
prev_nanos_for_profile = nanos;
delta_ticks = ticks - prev_ticks_for_profile;
if (delta_ticks < 0)
delta_ticks += TICS_PER_SECOND;
if (t->max_run_ticks < delta_ticks) {/* update max_run_ticks */
if (print_task_time_threshold) {
/* Print only if threshold is set */
pp_printf("New max run time for a task %s, old %ld, "
"new %d\n",
t->name, t->max_run, delta);
t->name, t->max_run_ticks, delta_ticks);
}
t->max_run = delta;
t->max_run_ticks = delta_ticks;
}
if (print_task_time_threshold && delta > print_task_time_threshold)
pp_printf("task %s, run for %d\n", t->name, delta);
prev_nanos_for_profile = nanos;
if (print_task_time_threshold
&& delta_ticks > print_task_time_threshold)
pp_printf("task %s, run for %d ms\n", t->name, delta_ticks);
prev_ticks_for_profile = ticks;
}
/* Run a task with profiling */
......
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