cory/tildefriends
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Track and expose hitches in some suspect callbacks.

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git-svn-id: https://www.unprompted.com/svn/projects/tildefriends/trunk@4261 ed5197a5-7fde-0310-b194-c3ffbd925b24
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Cory McWilliams
2023-04-19 23:05:59 +00:00
parent 30014040e7
commit 956ea0df56
6 changed files with 116 additions and 0 deletions
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48
src/task.c
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@ -34,6 +34,10 @@
#include <unistd.h>
#endif
#if !defined(_countof)
#define _countof(a) ((int)(sizeof((a)) / sizeof(*(a))))
#endif
static const char* k_version = "1.0";
static JSClassID _import_class_id;
@ -71,6 +75,12 @@ typedef struct _promise_stack_t
int count;
} promise_stack_t;
typedef struct _hitch_t
{
char name[256];
uint64_t duration_ns;
} hitch_t;
typedef struct _tf_task_t
{
taskid_t _nextTask;
@ -130,6 +140,8 @@ typedef struct _tf_task_t
promise_stack_t* _promise_stacks;
int _promise_stack_count;
hitch_t hitches[32];
} tf_task_t;
typedef struct _export_record_t
@ -870,6 +882,22 @@ static JSValue _tf_task_getDebug(JSContext* context, JSValueConst this_val, int
return result;
}
static JSValue _tf_task_getHitches(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv)
{
tf_task_t* task = JS_GetContextOpaque(context);
tf_trace_begin(task->_trace, __func__);
JSValue result = JS_NewObject(context);
for (int i = 0; i < _countof(task->hitches); i++)
{
if (*task->hitches[i].name)
{
JS_SetPropertyStr(context, result, task->hitches[i].name, JS_NewFloat64(context, task->hitches[i].duration_ns / 1e9f));
}
}
tf_trace_end(task->_trace);
return result;
}
static JSValue _tf_task_getAllocations(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv)
{
tf_task_t* task = JS_GetContextOpaque(context);
@ -1576,6 +1604,24 @@ static void _tf_task_trace_to_parent(tf_trace_t* trace, const char* buffer, size
tf_packetstream_send(tf_taskstub_get_stream(task->_parent), kTaskTrace, buffer, size);
}
static void _tf_task_record_hitch(const char* name, uint64_t duration_ns, void* user_data)
{
tf_task_t* task = user_data;
for (int i = 0; i < _countof(task->hitches); i++)
{
if (duration_ns > task->hitches[i].duration_ns)
{
if (i + 1 < _countof(task->hitches))
{
memmove(task->hitches + i + 1, task->hitches + i, sizeof(hitch_t) * (_countof(task->hitches) - i - 1));
}
snprintf(task->hitches[i].name, sizeof(task->hitches[i].name), "%s", name);
task->hitches[i].duration_ns = duration_ns;
break;
}
}
}
void tf_task_activate(tf_task_t* task)
{
assert(!task->_activated);
@ -1643,6 +1689,7 @@ void tf_task_activate(tf_task_t* task)
task->_ssb = tf_ssb_create(&task->_loop, task->_context, task->_db_path);
tf_ssb_set_trace(task->_ssb, task->_trace);
tf_ssb_register(context, task->_ssb);
tf_ssb_set_hitch_callback(task->_ssb, _tf_task_record_hitch, task);
if (task->_ssb_port)
{
@ -1654,6 +1701,7 @@ void tf_task_activate(tf_task_t* task)
JS_SetPropertyStr(context, global, "trace", JS_NewCFunction(context, _tf_task_trace, "trace", 1));
JS_SetPropertyStr(context, global, "getStats", JS_NewCFunction(context, _tf_task_getStats, "getStats", 0));
JS_SetPropertyStr(context, global, "getDebug", JS_NewCFunction(context, _tf_task_getDebug, "getDebug", 0));
JS_SetPropertyStr(context, global, "getHitches", JS_NewCFunction(context, _tf_task_getHitches, "getHitches", 0));
JS_SetPropertyStr(context, global, "getAllocations", JS_NewCFunction(context, _tf_task_getAllocations, "getAllocations", 0));
JS_SetPropertyStr(context, global, "disconnectionsDebug", JS_NewCFunction(context, _tf_task_disconnectionsDebug, "disconnectionsDebug", 0));
}