void
stackprof_record_sample()
{
int num, i;
VALUE prev_frame = Qnil;
_stackprof.overall_samples++;
num = rb_profile_frames(0, sizeof(_stackprof.frames_buffer), _stackprof.frames_buffer, _stackprof.lines_buffer);
for (i = 0; i < num; i++) {
int line = _stackprof.lines_buffer[i];
VALUE frame = _stackprof.frames_buffer[i];
frame_data_t *frame_data = sample_for(frame);
frame_data->total_samples++;
if (i == 0) {
frame_data->caller_samples++;
} else {
if (!frame_data->edges)
frame_data->edges = st_init_numtable();
st_numtable_increment(frame_data->edges, (st_data_t)prev_frame, 1);
}
if (line > 0) {
if (!frame_data->lines)
frame_data->lines = st_init_numtable();
size_t half = (size_t)1<<(8*SIZEOF_SIZE_T/2);
size_t increment = i == 0 ? half + 1 : half;
st_numtable_increment(frame_data->lines, (st_data_t)line, increment);
}
prev_frame = frame;
}
}
void
stackprof_record_sample()
{
int num, i, n;
VALUE prev_frame = Qnil;
_stackprof.overall_samples++;
num = rb_profile_frames(0, sizeof(_stackprof.frames_buffer) / sizeof(VALUE), _stackprof.frames_buffer, _stackprof.lines_buffer);
if (_stackprof.raw) {
int found = 0;
if (!_stackprof.raw_samples) {
_stackprof.raw_samples_capa = num * 100;
_stackprof.raw_samples = malloc(sizeof(VALUE) * _stackprof.raw_samples_capa);
}
if (_stackprof.raw_samples_capa <= _stackprof.raw_samples_len + num) {
_stackprof.raw_samples_capa *= 2;
_stackprof.raw_samples = realloc(_stackprof.raw_samples, sizeof(VALUE) * _stackprof.raw_samples_capa);
}
if (_stackprof.raw_samples_len > 0 && _stackprof.raw_samples[_stackprof.raw_sample_index] == (VALUE)num) {
for (i = num-1, n = 0; i >= 0; i--, n++) {
VALUE frame = _stackprof.frames_buffer[i];
if (_stackprof.raw_samples[_stackprof.raw_sample_index + 1 + n] != frame)
break;
}
if (i == -1) {
_stackprof.raw_samples[_stackprof.raw_samples_len-1] += 1;
found = 1;
}
}
if (!found) {
_stackprof.raw_sample_index = _stackprof.raw_samples_len;
_stackprof.raw_samples[_stackprof.raw_samples_len++] = (VALUE)num;
for (i = num-1; i >= 0; i--) {
VALUE frame = _stackprof.frames_buffer[i];
_stackprof.raw_samples[_stackprof.raw_samples_len++] = frame;
}
_stackprof.raw_samples[_stackprof.raw_samples_len++] = (VALUE)1;
}
}
for (i = 0; i < num; i++) {
int line = _stackprof.lines_buffer[i];
VALUE frame = _stackprof.frames_buffer[i];
frame_data_t *frame_data = sample_for(frame);
frame_data->total_samples++;
if (i == 0) {
frame_data->caller_samples++;
} else if (_stackprof.aggregate) {
if (!frame_data->edges)
frame_data->edges = st_init_numtable();
st_numtable_increment(frame_data->edges, (st_data_t)prev_frame, 1);
}
if (_stackprof.aggregate && line > 0) {
if (!frame_data->lines)
frame_data->lines = st_init_numtable();
size_t half = (size_t)1<<(8*SIZEOF_SIZE_T/2);
size_t increment = i == 0 ? half + 1 : half;
st_numtable_increment(frame_data->lines, (st_data_t)line, increment);
}
prev_frame = frame;
}
}
