#!/usr/sbin/dtrace -s

#pragma D option quiet
#pragma D option bufsize=16m
#pragma D option dynvarsize=16m

fbt:kernel:vt_fb_blank:entry
{
	self->t = timestamp;
	printf("%lu: %s: %d Bpp\n", timestamp, probefunc, ((struct fb_info *)args[0]->vd_softc)->fb_bpp / 8);
}

fbt:kernel:vt_fb_blank:return
{
	printf("%lu: %s [return after %d ms]\n", timestamp, probefunc, (int)((timestamp - self->t) / 1000000));
	self->t = 0;
}