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net: Make sure timer fiber does not print stack usage too often 

Sometimes the timer fiber was flooding stack usage to console.

Change-Id: I3518cc08f3c8d3ed8ccc19e7bbb6356811e28ab7
Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
This commit is contained in:
Jukka Rissanen 2016-02-03 12:51:24 +02:00 committed by Anas Nashif
parent 0cb73a1b9c
commit 9f8ed3a6e0
1 changed files with 17 additions and 6 deletions
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23
net/ip/net_core.c
View File

@ -669,17 +669,28 @@ static void net_timer_fiber(void)
#ifdef CONFIG_INIT_STACKS
{
static clock_time_t last_print;
#define PRINT_CYCLE (10 * sys_clock_hw_cycles_per_sec)
static clock_time_t next_print;
uint32_t cycle = clock_get_cycle();
/* Print stack usage every 10 sec */
if (!last_print ||
(last_print +
10 * sys_clock_hw_cycles_per_sec) <
clock_get_cycle()) {
if (!next_print ||
(next_print < cycle &&
(!((cycle - next_print) > PRINT_CYCLE)))) {
clock_time_t new_print;
net_analyze_stack("timer fiber",
timer_fiber_stack,
sizeof(timer_fiber_stack));
last_print = clock_get_cycle() + 1;
new_print = cycle + PRINT_CYCLE;
if (new_print > cycle) {
next_print = new_print;
} else {
/* Overflow */
next_print = PRINT_CYCLE -
(0xffffffff - cycle);
}
}
}
#endif