qemu with hax to log dma reads & writes jcs.org/2018/11/12/vfio

hw/display/xenfb.c: Add trace_xenfb_key_event

It may be better to add a trace event to monitor the last moment of
a key event from QEMU to guest VM

Signed-off-by: Liang Yan <lyan@suse.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>

authored by

Liang Yan and committed by
Michael Tokarev
6ec83bef b9710bc9

+2
+1
hw/display/trace-events
··· 6 6 7 7 # hw/display/xenfb.c 8 8 xenfb_mouse_event(void *opaque, int dx, int dy, int dz, int button_state, int abs_pointer_wanted) "%p x %d y %d z %d bs 0x%x abs %d" 9 + xenfb_key_event(void *opaque, int scancode, int button_state) "%p scancode %d bs 0x%x" 9 10 xenfb_input_connected(void *xendev, int abs_pointer_wanted) "%p abs %d" 10 11 11 12 # hw/display/g364fb.c
+1
hw/display/xenfb.c
··· 290 290 scancode |= 0x80; 291 291 xenfb->extended = 0; 292 292 } 293 + trace_xenfb_key_event(opaque, scancode2linux[scancode], down); 293 294 xenfb_send_key(xenfb, down, scancode2linux[scancode]); 294 295 } 295 296