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feat(profiler_builtin): support nanosecond accuracy (#7415)

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Signed-off-by: pengyiqiang <pengyiqiang@xiaomi.com>
Co-authored-by: pengyiqiang <pengyiqiang@xiaomi.com>
This commit is contained in:
VIFEX
2024-12-06 09:41:15 +08:00
committed by GitHub
parent 945064f6ea
commit 58990cdb5b
5 changed files with 38 additions and 25 deletions
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15
docs/details/debugging/profiler.rst
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@@ -45,12 +45,13 @@ To enable the profiler, set :c:macro:`LV_USE_PROFILER` in ``lv_conf.h`` and conf
#include <sys/syscall.h>
#include <sys/types.h>
#include <time.h>
#include <unistd.h>
static uint32_t my_get_tick_us_cb(void)
static uint64_t my_get_tick_us_cb(void)
{
struct timespec ts;
clock_gettime(CLOCK_MONOTONIC, &ts);
return ts.tv_sec * 1000000 + ts.tv_nsec / 1000;
return ts.tv_sec * 1000000000 + ts.tv_nsec;
}
static int my_get_tid_cb(void)
@@ -69,7 +70,7 @@ To enable the profiler, set :c:macro:`LV_USE_PROFILER` in ``lv_conf.h`` and conf
{
lv_profiler_builtin_config_t config;
lv_profiler_builtin_config_init(&config);
config.tick_per_sec = 1000000; /* One second is equal to 1000000 microseconds */
config.tick_per_sec = 1000000000; /* One second is equal to 1000000000 nanoseconds */
config.tick_get_cb = my_get_tick_us_cb;
config.tid_get_cb = my_get_tid_cb;
config.cpu_get_cb = my_get_cpu_cb;
@@ -80,12 +81,18 @@ To enable the profiler, set :c:macro:`LV_USE_PROFILER` in ``lv_conf.h`` and conf
.. code-block:: c
static uint64_t my_get_tick_us_cb(void)
{
/* Use the microsecond time stamp provided by Arduino */
return micros();
}
void my_profiler_init(void)
{
lv_profiler_builtin_config_t config;
lv_profiler_builtin_config_init(&config);
config.tick_per_sec = 1000000; /* One second is equal to 1000000 microseconds */
config.tick_get_cb = micros; /* Use the microsecond time stamp provided by Arduino */
config.tick_get_cb = my_get_tick_us_cb;
lv_profiler_builtin_init(&config);
}