fix line_profiler

This commit is contained in:
blueloveTH 2025-08-15 16:34:16 +08:00
parent 166b437498
commit 926fb37f7a
2 changed files with 26 additions and 8 deletions

11
scripts/98_profiler.py Normal file
View File

@ -0,0 +1,11 @@
from pkpy import *
import time
def costly_func(n: int):
time.sleep(n)
x = 1
y = 2
costly_func(2)
time.sleep(1)

View File

@ -39,13 +39,17 @@ void LineProfiler__begin(LineProfiler* self) {
self->enabled = true;
}
static void LineProfiler__increment_now(LineProfiler* self, clock_t now) {
static void LineProfiler__increment_now(LineProfiler* self, clock_t now, LineRecord* curr_line) {
FrameRecord* top_frame_record = &c11_vector__back(FrameRecord, &self->frame_records);
LineRecord* prev_line = top_frame_record->prev_line;
clock_t delta = now - top_frame_record->prev_time;
top_frame_record->prev_time = now;
prev_line->hits++;
prev_line->time += delta;
// printf(" ==> increment_now: delta: %ld, hits: %lld\n",
// delta, prev_line->hits);
top_frame_record->prev_line = curr_line;
}
void LineProfiler__tracefunc_internal(LineProfiler* self,
@ -54,16 +58,20 @@ void LineProfiler__tracefunc_internal(LineProfiler* self,
assert(self->enabled);
clock_t now = clock();
// SourceLocation curr_loc = Frame__source_location(frame);
// printf("==> frame: %p:%d, event: %d, now: %ld\n", frame, curr_loc.lineno, event, now);
SourceLocation curr_loc = Frame__source_location(frame);
LineRecord* curr_line = LineProfiler__get_record(self, curr_loc);
if(event == TRACE_EVENT_LINE) {
LineProfiler__increment_now(self, now);
LineProfiler__increment_now(self, now, curr_line);
} else {
if(event == TRACE_EVENT_PUSH) {
SourceLocation curr_loc = Frame__source_location(frame);
LineRecord* line = LineProfiler__get_record(self, curr_loc);
FrameRecord f_record = {.frame = frame, .prev_time = now, .prev_line = line};
FrameRecord f_record = {.frame = frame, .prev_time = now, .prev_line = curr_line};
c11_vector__push(FrameRecord, &self->frame_records, f_record);
} else if(event == TRACE_EVENT_POP) {
LineProfiler__increment_now(self, now);
LineProfiler__increment_now(self, now, NULL);
assert(self->frame_records.length > 0);
c11_vector__pop(&self->frame_records);
}
@ -72,7 +80,7 @@ void LineProfiler__tracefunc_internal(LineProfiler* self,
void LineProfiler__end(LineProfiler* self) {
assert(self->enabled);
if(self->frame_records.length > 0) LineProfiler__increment_now(self, clock());
if(self->frame_records.length > 0) LineProfiler__increment_now(self, clock(), NULL);
self->enabled = false;
}
@ -85,7 +93,6 @@ c11_string* LineProfiler__get_report(LineProfiler* self) {
c11_sbuf sbuf;
c11_sbuf__ctor(&sbuf);
c11_sbuf__write_char(&sbuf, '{');
c11_sbuf__write_cstr(&sbuf, "\"version\": 1, ");
c11_sbuf__write_cstr(&sbuf, "\"CLOCKS_PER_SEC\": ");
c11_sbuf__write_i64(&sbuf, CLOCKS_PER_SEC);
c11_sbuf__write_cstr(&sbuf, ", \"records\": ");