add --skip option (5d9c8d25) · Commits · derf / dlog-viewer

bin/dlog-viewer

+22 −2

Original line number	Diff line number	Diff line
		@@ -158,7 +158,8 @@ class DLogChannel:


		class DLog:
		def __init__(self, filename, limit=None):
		def __init__(self, filename, skip=None, limit=None):
		self.skip_duration = skip
		self.limit_duration = limit
		self.load_dlog(filename)

		@@ -205,6 +206,18 @@ class DLog:
		0, self.observed_duration, num=int(len(raw_data) / (4 * num_channels))
		)

		if (
		self.skip_duration is not None
		and self.observed_duration >= self.skip_duration
		):
		start_offset = 0
		for i, ts in enumerate(self.timestamps):
		if ts >= self.skip_duration:
		start_offset = i
		break
		self.timestamps = self.timestamps[start_offset:]
		raw_data = raw_data[start_offset * 4 * num_channels :]

		if (
		self.limit_duration is not None
		and self.observed_duration > self.limit_duration
		@@ -471,6 +484,13 @@ def main():
		type=str,
		help="Export analysis results (e.g. changepoints) to JSON file",
		)
		parser.add_argument(
		"--skip",
		metavar="N",
		type=int,
		default=0,
		help="Skip the first N seconds of data. This is useful to avoid startup code influencing the results of a long-running measurement",
		)
		parser.add_argument(
		"--limit",
		type=float,
		@@ -494,7 +514,7 @@ def main():

		args = parser.parse_args()

		dlog = DLog(args.dlog_file, args.limit)
		dlog = DLog(args.dlog_file, args.skip, args.limit)

		if args.stat:
		print_stats(dlog)