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profiler: Add --delta to profile helper tool. 

Signed-off-by: Hans-Kristian Arntzen <post@arntzen-software.no>
This commit is contained in:
Hans-Kristian Arntzen 2022-07-06 11:36:41 +02:00
parent 8d780458f1
commit a917d60ca5
1 changed files with 19 additions and 1 deletions
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20
programs/vkd3d-profile.py
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@ -75,17 +75,35 @@ def main():
parser.add_argument('--per-iteration', action = 'store_true', help = 'Represent ticks in terms of ticks / iteration. Cannot be used with --divider.')
parser.add_argument('--name', nargs = '+', type = str, help = 'Only display data for certain counters.')
parser.add_argument('--sort', type = str, default = 'none', help = 'Sorts input data according to "iterations" or "ticks".')
parser.add_argument('--delta', type = str, help = 'Subtract iterations and timing from other profile blob.')
parser.add_argument('profile', help = 'The profile binary blob.')
args = parser.parse_args()
if not args.profile:
raise AssertionError('Need profile folder.')
delta_map = {}
if args.delta is not None:
with open(args.delta, 'rb') as f:
for block in iter(lambda: f.read(64), b''):
if is_valid_block(block):
b = parse_block(block)
delta_map[b.name] = b
blocks = []
with open(args.profile, 'rb') as f:
for block in iter(lambda: f.read(64), b''):
if is_valid_block(block):
blocks.append(parse_block(block))
b = parse_block(block)
if b.name in delta_map:
d = delta_map[b.name]
b = ProfileCase(ticks = b.ticks - d.ticks,
iterations = b.iterations - d.iterations,
name = b.name)
if b.iterations < 0 or b.ticks < 0:
raise AssertionError('After subtracting, iterations or ticks became negative.')
if b.iterations > 0:
blocks.append(b)
if args.divider is not None:
if args.per_iteration: