void
TimelineViewWindow::set_time_scale (double ratio)
{
int64_t max = MaxScale;
int64_t min = 1;
if(ratio <= 0.0)
{
set_time_scale((int64_t)min);
return;
}
if (ratio > 1.0)
{
ratio = 1.0;
}
set_time_scale((int64_t)(ratio * max));
}
/**
* Function called when a keyboard key is pressed
*/
static void keyboard_down_func(unsigned char key, int x, int y){
key_down(key);
switch(key){
case 'x':
set_time_scale(0);
break;
case 'p':
set_time_scale(1.0);
break;
case 'n':
set_time_scale(get_time_scale()*1.10);
break;
case 'm':
set_time_scale(get_time_scale()*0.9);
break;
default:
break;
}
return;
}
static int64_t raw_trc_val(struct domain *d)
{
uint64_t tsc;
struct time_scale tsc_to_ns;
tsc = hvm_get_guest_tsc(pt_global_vcpu_target(d));
/* convert tsc to count of 100ns periods */
set_time_scale(&tsc_to_ns, d->arch.tsc_khz * 1000ul);
return scale_delta(tsc, &tsc_to_ns) / 100ul;
}
void
TimelineViewWindow::zoom_view(int point, double time_scale_ratio)
{
// Apply the smoothing factor
int64_t new_time_scale(pow (time_scale_ratio, ZoomSmoothing)
* double(MaxScale));
/* Prevent Zooming in To Close and Far */
if(new_time_scale < 1)
new_time_scale = 1;
if(new_time_scale > MaxScale)
new_time_scale = MaxScale;
// The view must be shifted so that the zoom is centred on the cursor
TimeVar newStartPoint = timeOffset + TimeValue(point * (timeScale - new_time_scale));
set_time_offset (newStartPoint);
// Apply the new scale
set_time_scale(new_time_scale);
}
