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/**
* @file lv_sysmon.c
*
*/
/*********************
* INCLUDES
*********************/
#include "../../misc/lv_timer_private.h"
#include "lv_sysmon_private.h"
#if LV_USE_SYSMON
#include "../../core/lv_global.h"
#include "../../misc/lv_async.h"
#include "../../stdlib/lv_string.h"
#include "../../widgets/label/lv_label.h"
#include "../../display/lv_display_private.h"
/*********************
* DEFINES
*********************/
#ifndef LV_SYSMON_REFR_PERIOD_DEF
#define LV_SYSMON_REFR_PERIOD_DEF 300 /* ms */
#endif
#if LV_USE_MEM_MONITOR
#define sysmon_mem LV_GLOBAL_DEFAULT()->sysmon_mem
#endif
/**********************
* TYPEDEFS
**********************/
/**********************
* STATIC PROTOTYPES
**********************/
#if LV_USE_PERF_MONITOR
static void perf_update_timer_cb(lv_timer_t * t);
static void perf_observer_cb(lv_observer_t * observer, lv_subject_t * subject);
static void perf_monitor_disp_event_cb(lv_event_t * e);
#endif
#if LV_USE_MEM_MONITOR
static void mem_update_timer_cb(lv_timer_t * t);
static void mem_observer_cb(lv_observer_t * observer, lv_subject_t * subject);
#endif
/**********************
* STATIC VARIABLES
**********************/
/**********************
* MACROS
**********************/
/**********************
* GLOBAL FUNCTIONS
**********************/
void lv_sysmon_builtin_init(void)
{
#if LV_USE_MEM_MONITOR
static lv_mem_monitor_t mem_info;
lv_subject_init_pointer(&sysmon_mem.subject, &mem_info);
sysmon_mem.timer = lv_timer_create(mem_update_timer_cb, LV_SYSMON_REFR_PERIOD_DEF, &mem_info);
#endif
}
void lv_sysmon_builtin_deinit(void)
{
#if LV_USE_MEM_MONITOR
lv_timer_delete(sysmon_mem.timer);
#endif
}
lv_obj_t * lv_sysmon_create(lv_display_t * disp)
{
LV_LOG_INFO("begin");
if(disp == NULL) disp = lv_display_get_default();
if(disp == NULL) {
LV_LOG_WARN("There is no default display");
return NULL;
}
lv_obj_t * label = lv_label_create(lv_display_get_layer_sys(disp));
lv_obj_set_style_bg_opa(label, LV_OPA_50, 0);
lv_obj_set_style_bg_color(label, lv_color_black(), 0);
lv_obj_set_style_text_color(label, lv_color_white(), 0);
lv_obj_set_style_pad_all(label, 3, 0);
lv_label_set_text(label, "?");
return label;
}
#if LV_USE_PERF_MONITOR
void lv_sysmon_show_performance(lv_display_t * disp)
{
if(disp == NULL) disp = lv_display_get_default();
if(disp == NULL) {
LV_LOG_WARN("There is no default display");
return;
}
disp->perf_label = lv_sysmon_create(disp);
if(disp->perf_label == NULL) {
LV_LOG_WARN("Couldn't create sysmon");
return;
}
lv_subject_init_pointer(&disp->perf_sysmon_backend.subject, &disp->perf_sysmon_info);
lv_obj_align(disp->perf_label, LV_USE_PERF_MONITOR_POS, 0, 0);
lv_subject_add_observer_obj(&disp->perf_sysmon_backend.subject, perf_observer_cb, disp->perf_label, NULL);
disp->perf_sysmon_backend.timer = lv_timer_create(perf_update_timer_cb, LV_SYSMON_REFR_PERIOD_DEF, disp);
lv_display_add_event_cb(disp, perf_monitor_disp_event_cb, LV_EVENT_ALL, NULL);
#if LV_USE_PERF_MONITOR_LOG_MODE
lv_obj_add_flag(disp->perf_label, LV_OBJ_FLAG_HIDDEN);
#else
lv_obj_remove_flag(disp->perf_label, LV_OBJ_FLAG_HIDDEN);
#endif
}
void lv_sysmon_hide_performance(lv_display_t * disp)
{
if(disp == NULL) disp = lv_display_get_default();
if(disp == NULL) {
LV_LOG_WARN("There is no default display");
return;
}
lv_obj_add_flag(disp->perf_label, LV_OBJ_FLAG_HIDDEN);
}
#endif
#if LV_USE_MEM_MONITOR
void lv_sysmon_show_memory(lv_display_t * disp)
{
if(disp == NULL) disp = lv_display_get_default();
if(disp == NULL) {
LV_LOG_WARN("There is no default display");
return;
}
disp->mem_label = lv_sysmon_create(disp);
if(disp->mem_label == NULL) {
LV_LOG_WARN("Couldn't create sysmon");
return;
}
lv_obj_align(disp->mem_label, LV_USE_MEM_MONITOR_POS, 0, 0);
lv_subject_add_observer_obj(&sysmon_mem.subject, mem_observer_cb, disp->mem_label, NULL);
lv_obj_remove_flag(disp->mem_label, LV_OBJ_FLAG_HIDDEN);
}
void lv_sysmon_hide_memory(lv_display_t * disp)
{
if(disp == NULL) disp = lv_display_get_default();
if(disp == NULL) {
LV_LOG_WARN("There is no default display");
return;
}
lv_obj_add_flag(disp->mem_label, LV_OBJ_FLAG_HIDDEN);
}
#endif
/**********************
* STATIC FUNCTIONS
**********************/
#if LV_USE_PERF_MONITOR
static void perf_monitor_disp_event_cb(lv_event_t * e)
{
lv_display_t * disp = lv_event_get_target(e);
lv_event_code_t code = lv_event_get_code(e);
lv_sysmon_perf_info_t * info = &disp->perf_sysmon_info;
switch(code) {
case LV_EVENT_REFR_START:
info->measured.refr_interval_sum += lv_tick_elaps(info->measured.refr_start);
info->measured.refr_start = lv_tick_get();
break;
case LV_EVENT_REFR_READY:
info->measured.refr_elaps_sum += lv_tick_elaps(info->measured.refr_start);
info->measured.refr_cnt++;
break;
case LV_EVENT_RENDER_START:
info->measured.render_in_progress = 1;
info->measured.render_start = lv_tick_get();
break;
case LV_EVENT_RENDER_READY:
info->measured.render_in_progress = 0;
info->measured.render_elaps_sum += lv_tick_elaps(info->measured.render_start);
info->measured.render_cnt++;
break;
case LV_EVENT_FLUSH_START:
case LV_EVENT_FLUSH_WAIT_START:
if(info->measured.render_in_progress) {
info->measured.flush_in_render_start = lv_tick_get();
}
else {
info->measured.flush_not_in_render_start = lv_tick_get();
}
break;
case LV_EVENT_FLUSH_FINISH:
case LV_EVENT_FLUSH_WAIT_FINISH:
if(info->measured.render_in_progress) {
info->measured.flush_in_render_elaps_sum += lv_tick_elaps(info->measured.flush_in_render_start);
}
else {
info->measured.flush_not_in_render_elaps_sum += lv_tick_elaps(info->measured.flush_not_in_render_start);
}
break;
case LV_EVENT_DELETE:
lv_timer_delete(disp->perf_sysmon_backend.timer);
lv_subject_deinit(&disp->perf_sysmon_backend.subject);
break;
default:
break;
}
}
static void perf_update_timer_cb(lv_timer_t * t)
{
lv_display_t * disp = lv_timer_get_user_data(t);
uint32_t LV_SYSMON_GET_IDLE(void);
lv_sysmon_perf_info_t * info = &disp->perf_sysmon_info;
info->calculated.run_cnt++;
uint32_t time_since_last_report = lv_tick_elaps(info->measured.last_report_timestamp);
lv_timer_t * disp_refr_timer = lv_display_get_refr_timer(NULL);
uint32_t disp_refr_period = disp_refr_timer->period;
info->calculated.fps = info->measured.refr_interval_sum ? (1000 * info->measured.refr_cnt / time_since_last_report) : 0;
info->calculated.fps = LV_MIN(info->calculated.fps,
1000 / disp_refr_period); /*Limit due to possible off-by-one error*/
info->calculated.cpu = 100 - LV_SYSMON_GET_IDLE();
info->calculated.refr_avg_time = info->measured.refr_cnt ? (info->measured.refr_elaps_sum / info->measured.refr_cnt) :
0;
info->calculated.flush_avg_time = info->measured.render_cnt ?
((info->measured.flush_in_render_elaps_sum + info->measured.flush_not_in_render_elaps_sum)
/ info->measured.render_cnt) : 0;
/*Flush time was measured in rendering time so subtract it*/
info->calculated.render_avg_time = info->measured.render_cnt ? ((info->measured.render_elaps_sum -
info->measured.flush_in_render_elaps_sum) /
info->measured.render_cnt) : 0;
info->calculated.cpu_avg_total = ((info->calculated.cpu_avg_total * (info->calculated.run_cnt - 1)) +
info->calculated.cpu) / info->calculated.run_cnt;
info->calculated.fps_avg_total = ((info->calculated.fps_avg_total * (info->calculated.run_cnt - 1)) +
info->calculated.fps) / info->calculated.run_cnt;
lv_subject_set_pointer(&disp->perf_sysmon_backend.subject, info);
lv_sysmon_perf_info_t prev_info = *info;
lv_memzero(info, sizeof(lv_sysmon_perf_info_t));
info->measured.refr_start = prev_info.measured.refr_start;
info->calculated.cpu_avg_total = prev_info.calculated.cpu_avg_total;
info->calculated.fps_avg_total = prev_info.calculated.fps_avg_total;
info->calculated.run_cnt = prev_info.calculated.run_cnt;
info->measured.last_report_timestamp = lv_tick_get();
}
static void perf_observer_cb(lv_observer_t * observer, lv_subject_t * subject)
{
lv_obj_t * label = lv_observer_get_target(observer);
const lv_sysmon_perf_info_t * perf = lv_subject_get_pointer(subject);
#if LV_USE_PERF_MONITOR_LOG_MODE
LV_UNUSED(label);
LV_LOG("sysmon: "
"%" LV_PRIu32 " FPS (refr_cnt: %" LV_PRIu32 " | redraw_cnt: %" LV_PRIu32"), "
"refr %" LV_PRIu32 "ms (render %" LV_PRIu32 "ms | flush %" LV_PRIu32 "ms), "
"CPU %" LV_PRIu32 "%%\n",
perf->calculated.fps, perf->measured.refr_cnt, perf->measured.render_cnt,
perf->calculated.refr_avg_time, perf->calculated.render_avg_time, perf->calculated.flush_avg_time,
perf->calculated.cpu);
#else
lv_label_set_text_fmt(
label,
"%" LV_PRIu32" FPS, %" LV_PRIu32 "%% CPU\n"
"%" LV_PRIu32" ms (%" LV_PRIu32" | %" LV_PRIu32")",
perf->calculated.fps, perf->calculated.cpu,
perf->calculated.render_avg_time + perf->calculated.flush_avg_time,
perf->calculated.render_avg_time, perf->calculated.flush_avg_time
);
#endif /*LV_USE_PERF_MONITOR_LOG_MODE*/
}
#endif
#if LV_USE_MEM_MONITOR
static void mem_update_timer_cb(lv_timer_t * t)
{
lv_mem_monitor_t * mem_mon = lv_timer_get_user_data(t);
lv_mem_monitor(mem_mon);
lv_subject_set_pointer(&sysmon_mem.subject, mem_mon);
}
static void mem_observer_cb(lv_observer_t * observer, lv_subject_t * subject)
{
lv_obj_t * label = lv_observer_get_target(observer);
const lv_mem_monitor_t * mon = lv_subject_get_pointer(subject);
size_t used_size = mon->total_size - mon->free_size;;
size_t used_kb = used_size / 1024;
size_t used_kb_tenth = (used_size - (used_kb * 1024)) / 102;
size_t max_used_kb = mon->max_used / 1024;
size_t max_used_kb_tenth = (mon->max_used - (max_used_kb * 1024)) / 102;
lv_label_set_text_fmt(label,
"%zu.%zu kB (%d%%)\n"
"%zu.%zu kB max, %d%% frag.",
used_kb, used_kb_tenth, mon->used_pct,
max_used_kb, max_used_kb_tenth,
mon->frag_pct);
}
#endif
#endif /*LV_USE_SYSMON*/
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