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Calculate thread busyness as the current concurrent running threads vs. the max number of threads ever seen running concurrently.

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git-svn-id: https://www.unprompted.com/svn/projects/tildefriends/trunk@4404 ed5197a5-7fde-0310-b194-c3ffbd925b24
This commit is contained in:
Cory McWilliams
2023-08-17 00:01:59 +00:00
parent 358d02d97f
commit faca2d387b
6 changed files with 23 additions and 61 deletions
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36
src/ssb.c
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@ -232,8 +232,8 @@ typedef struct _tf_ssb_t
tf_ssb_debug_close_t debug_close[k_debug_close_connection_count];
tf_thread_work_time_t* thread_time;
int thread_time_count;
int32_t thread_busy_count;
int32_t thread_busy_max;
void (*hitch_callback)(const char* name, uint64_t duration, void* user_data);
void* hitch_user_data;
@ -2377,7 +2377,6 @@ void tf_ssb_destroy(tf_ssb_t* ssb)
uv_mutex_destroy(&ssb->db_readers_lock);
uv_mutex_destroy(&ssb->db_writer_lock);
tf_free((void*)ssb->db_path);
tf_free(ssb->thread_time);
tf_free(ssb);
}
@ -3531,37 +3530,24 @@ JSValue tf_ssb_get_disconnection_debug(tf_ssb_t* ssb, JSContext* context)
return result;
}
void tf_ssb_record_thread_time(tf_ssb_t* ssb, int64_t thread_id, uint64_t hrtime)
void tf_ssb_record_thread_busy(tf_ssb_t* ssb, bool busy)
{
for (int i = 0; i < ssb->thread_time_count; i++)
int32_t busy_value = __atomic_add_fetch(&ssb->thread_busy_count, busy ? 1 : -1, __ATOMIC_RELAXED);
int32_t current = ssb->thread_busy_max;
while (busy_value > current && !__atomic_compare_exchange_n(&ssb->thread_busy_max, &current, busy_value, false, __ATOMIC_RELAXED, __ATOMIC_RELAXED))
{
if (ssb->thread_time[i].thread_id == thread_id)
{
ssb->thread_time[i].hrtime += hrtime;
return;
}
current = ssb->thread_busy_max;
}
ssb->thread_time = tf_resize_vec(ssb->thread_time, sizeof(tf_thread_work_time_t) * (ssb->thread_time_count + 1));
ssb->thread_time[ssb->thread_time_count++] = (tf_thread_work_time_t)
{
.thread_id = thread_id,
.hrtime = hrtime,
};
}
uint64_t tf_ssb_get_average_thread_time(tf_ssb_t* ssb)
float tf_ssb_get_average_thread_percent(tf_ssb_t* ssb)
{
if (!ssb)
if (!ssb || !ssb->thread_busy_max)
{
return 0;
return 0.0f;
}
uint64_t total = 0;
for (int i = 0; i < ssb->thread_time_count; i++)
{
total += ssb->thread_time[i].hrtime;
}
return ssb->thread_time_count ? total / ssb->thread_time_count : 0;
return 100.0f * ssb->thread_busy_count / ssb->thread_busy_max;
}
void tf_ssb_set_hitch_callback(tf_ssb_t* ssb, void (*callback)(const char* name, uint64_t duration_ns, void* user_data), void* user_data)