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Trace libuv's idle time metric.

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git-svn-id: https://www.unprompted.com/svn/projects/tildefriends/trunk@3772 ed5197a5-7fde-0310-b194-c3ffbd925b24
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Cory McWilliams 2022-01-17 01:29:35 +00:00
parent 1ddaa7deb0
commit e9e1a3e80d
1 changed files with 10 additions and 0 deletions
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10
src/task.c
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@ -94,7 +94,10 @@ typedef struct _tf_task_t
int _promise_count; int _promise_count;
promiseid_t _nextPromise; promiseid_t _nextPromise;
uv_loop_t _loop; uv_loop_t _loop;
uv_timer_t trace_timer; uv_timer_t trace_timer;
uint64_t last_hrtime;
uint64_t last_idle_time;
export_record_t** _exports; export_record_t** _exports;
int _export_count; int _export_count;
@ -1239,12 +1242,15 @@ static void _tf_task_promise_rejection_tracker(JSContext* context, JSValueConst
static void _tf_task_trace_timer(uv_timer_t* timer) static void _tf_task_trace_timer(uv_timer_t* timer)
{ {
tf_task_t* task = timer->data; tf_task_t* task = timer->data;
uint64_t hrtime = uv_hrtime();
uint64_t idle_time = uv_metrics_idle_time(&task->_loop);
const char* k_names[] = const char* k_names[] =
{ {
"child_tasks", "child_tasks",
"imports", "imports",
"exports", "exports",
"promises", "promises",
"idle_percent",
}; };
int64_t values[] = int64_t values[] =
{ {
@ -1252,7 +1258,10 @@ static void _tf_task_trace_timer(uv_timer_t* timer)
task->_import_count, task->_import_count,
task->_export_count, task->_export_count,
task->_promise_count, task->_promise_count,
(hrtime - task->last_hrtime) ? 100LL * (idle_time - task->last_idle_time) / (hrtime - task->last_hrtime) : 0,
}; };
task->last_hrtime = hrtime;
task->last_idle_time = idle_time;
tf_trace_counter(task->_trace, "task", sizeof(k_names) / sizeof(*k_names), k_names, values); tf_trace_counter(task->_trace, "task", sizeof(k_names) / sizeof(*k_names), k_names, values);
} }
@ -1278,6 +1287,7 @@ tf_task_t* tf_task_create()
JS_NewClass(task->_runtime, _import_class_id, &def); JS_NewClass(task->_runtime, _import_class_id, &def);
task->_loadedFiles = JS_NewObject(task->_context); task->_loadedFiles = JS_NewObject(task->_context);
uv_loop_init(&task->_loop); uv_loop_init(&task->_loop);
uv_loop_configure(&task->_loop, UV_METRICS_IDLE_TIME);
task->_loop.data = task; task->_loop.data = task;
task->trace_timer.data = task; task->trace_timer.data = task;
uv_timer_init(&task->_loop, &task->trace_timer); uv_timer_init(&task->_loop, &task->trace_timer);