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tools: per-slot-delta: add arguments to set a threshold and ignore-below
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The threshold colors events above a certain value in red, ignore-below skips
any line below that threshold.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
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@whot
whot committed Apr 11, 2020
1 parent 61296fe commit d88ad29
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Showing 2 changed files with 102 additions and 63 deletions.
8 changes: 8 additions & 0 deletions tools/libinput-analyze-per-slot-delta.man
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Expand Up @@ -18,6 +18,14 @@ rely on the output.
.B \-\-help
Print help
.TP 8
.B \-\-ignore-below=<units or mm>
Ignore any movement below the given threshold. The threshold is in
mm if \fB\-\-use-mm\fR is selected or in device units otherwise.
.TP 8
.B \-\-threshold=<units or mm>
Color any movement above this threshold in red. The threshold is in
mm if \fB\-\-use-mm\fR is selected or in device units otherwise.
.TP 8
.B \-\-use-mm
Print data in mm instead of device units
.TP 8
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157 changes: 94 additions & 63 deletions tools/libinput-analyze-per-slot-delta.py
View file
Expand Up @@ -40,37 +40,81 @@
COLOR_RED = '\x1b[6;31m'


def print_data(dx, dy, is_absolute=False, color=None):
if dx != 0 and dy != 0:
t = math.atan2(dx, dy)
t += math.pi # in [0, 2pi] range now

if t == 0:
t = 0.01
else:
t = t * 180.0 / math.pi

directions = ['↖↑', '↖←', '↙←', '↙↓', '↓↘', '→↘', '→↗', '↑↗']
direction = "{:3.0f}".format(t)
direction = directions[int(t / 45)]
elif dy == 0:
if dx < 0:
direction = '←←'
else:
direction = '→→'
else:
if dy < 0:
direction = '↑↑'
class SlotFormatter():
width = 16

def __init__(self, is_absolute=False, resolution=None,
threshold=None, ignore_below=None):
self.threshold = threshold
self.ignore_below = ignore_below
self.resolution = resolution
self.is_absolute = is_absolute
self.slots = []
self.have_data = False
self.filtered = False

def __str__(self):
return ' | '.join(self.slots)

def format_slot(self, slot):
if slot.state == SlotState.BEGIN:
self.slots.append('+++++++'.center(self.width))
self.have_data = True
elif slot.state == SlotState.END:
self.slots.append('-------'.center(self.width))
self.have_data = True
elif slot.state == SlotState.NONE:
self.slots.append(('*' * (self.width - 2)).center(self.width))
elif not slot.dirty:
self.slots.append(' '.center(self.width))
else:
direction = '↓↓'
if self.resolution is not None:
dx, dy = slot.dx / self.resolution[0], slot.dy / self.resolution[1]
else:
dx, dy = slot.dx, slot.dy
if dx != 0 and dy != 0:
t = math.atan2(dx, dy)
t += math.pi # in [0, 2pi] range now

if not is_absolute:
if isinstance(dx, int) and isinstance(dy, int):
print("{} {}{:+4d}/{:+4d}{} | ".format(direction, color, dx, dy, COLOR_RESET), end='')
else:
print("{} {}{:+3.2f}/{:+03.2f}{} | ".format(direction, color, dx, dy, COLOR_RESET), end='')
else:
print("{} {}{:4d}/{:4d}{} | ".format(direction, color, dx, dy, COLOR_RESET), end='')
if t == 0:
t = 0.01
else:
t = t * 180.0 / math.pi

directions = ['↖↑', '↖←', '↙←', '↙↓', '↓↘', '→↘', '→↗', '↑↗']
direction = directions[int(t / 45)]
elif dy == 0:
if dx < 0:
direction = '←←'
else:
direction = '→→'
else:
if dy < 0:
direction = '↑↑'
else:
direction = '↓↓'

color = ''
reset = ''
if not self.is_absolute:
if self.ignore_below is not None or self.threshold is not None:
dist = math.hypot(dx, dy)
if self.ignore_below is not None and dist < self.ignore_below:
self.slots.append(' '.center(self.width))
self.filtered = True
return
if self.threshold is not None and dist >= self.threshold:
color = COLOR_RED
reset = COLOR_RESET
if isinstance(dx, int) and isinstance(dy, int):
string = "{} {}{:+4d}/{:+4d}{}".format(direction, color, dx, dy, reset)
else:
string = "{} {}{:+3.2f}/{:+03.2f}{}".format(direction, color, dx, dy, reset)
else:
x, y = slot.x, slot.y
string = "{} {}{:4d}/{:4d}{}".format(direction, color, x, y, reset)
self.have_data = True
self.slots.append(string.ljust(self.width + len(color) + len(reset)))


class SlotState:
Expand Down Expand Up @@ -115,6 +159,8 @@ def main(argv):
parser.add_argument("--use-absolute", action='store_true', help="Use absolute coordinates, not deltas")
parser.add_argument("path", metavar="recording",
nargs=1, help="Path to libinput-record YAML file")
parser.add_argument("--threshold", type=float, default=None, help="Mark any delta above this treshold")
parser.add_argument("--ignore-below", type=float, default=None, help="Ignore any delta below this theshold")
args = parser.parse_args()

if not sys.stdout.isatty():
Expand All @@ -134,10 +180,6 @@ def main(argv):

slots = [Slot(i) for i in range(0, nslots)]

marker_begin_slot = " ++++++ | " # noqa
marker_end_slot = " ------ | " # noqa
marker_empty_slot = " *********** | " # noqa
marker_no_data = " | " # noqa
marker_button = "..............." # noqa

if args.use_mm:
Expand All @@ -147,11 +189,6 @@ def main(argv):
print("Error: device doesn't have a resolution, cannot use mm")
sys.exit(1)

marker_empty_slot = " ************* | " # noqa
marker_no_data = " | " # noqa
marker_begin_slot = " ++++++ | " # noqa
marker_end_slot = " ------ | " # noqa

if args.use_st:
print("Warning: slot coordinates on FINGER/DOUBLETAP change may be incorrect")
slots[0].used = True
Expand All @@ -166,6 +203,8 @@ def main(argv):
libevdev.EV_KEY.BTN_TOOL_QUINTTAP: 0,
}

nskipped_lines = 0

for event in device['events']:
for evdev in event['evdev']:
s = slots[slot]
Expand Down Expand Up @@ -259,37 +298,29 @@ def main(argv):
else:
tool_state = ' '

print("{:2d}.{:06d} {:+5d}ms {}: ".format(e.sec, e.usec, tdelta, tool_state), end='')
fmt = SlotFormatter(is_absolute=args.use_absolute,
resolution=(xres, yres) if args.use_mm else None,
threshold=args.threshold,
ignore_below=args.ignore_below)
for sl in [s for s in slots if s.used]:
if sl.state == SlotState.NONE:
print(marker_empty_slot, end='')
elif sl.state == SlotState.BEGIN:
print(marker_begin_slot, end='')
elif sl.state == SlotState.END:
print(marker_end_slot, end='')
elif not sl.dirty:
print(marker_no_data, end='')
else:
if args.use_mm:
sl.dx /= xres
sl.dy /= yres
color = COLOR_RESET
if math.hypot(sl.dx, sl.dy) > 7:
color = COLOR_RED
print_data(sl.dx, sl.dy, color=color)
elif args.use_absolute:
print_data(sl.x, sl.y, is_absolute=True)
else:
print_data(sl.dx, sl.dy)
s.dx = 0
s.dy = 0
fmt.format_slot(sl)

sl.dirty = False
sl.dx = 0
sl.dy = 0
if sl.state == SlotState.BEGIN:
sl.state = SlotState.UPDATE
elif sl.state == SlotState.END:
sl.state = SlotState.NONE

sl.dirty = False
print("")
if fmt.have_data:
if nskipped_lines > 0:
print("")
nskipped_lines = 0
print("{:2d}.{:06d} {:+5d}ms {}: {}".format(e.sec, e.usec, tdelta, tool_state, fmt))
elif fmt.filtered:
nskipped_lines += 1
print("\r", " " * 21, "... {} below threshold".format(nskipped_lines), flush=True, end='')


if __name__ == '__main__':
Expand Down

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