32 lines
1.1 KiB
Python
32 lines
1.1 KiB
Python
# Copyright 2012 The Chromium OS Authors. All rights reserved.
|
|
# Use of this source code is governed by a BSD-style license that can be
|
|
# found in the LICENSE file.
|
|
#
|
|
# Timer test: check time sanity when jumping between images
|
|
#
|
|
|
|
import time
|
|
|
|
DELAY = 5
|
|
ERROR_MARGIN = 0.5
|
|
|
|
def test(helper):
|
|
helper.wait_output("idle task started")
|
|
helper.ec_command("sysinfo")
|
|
copy = helper.wait_output("Copy:\s+(?P<c>\S+)", use_re=True)["c"]
|
|
if copy != "RO":
|
|
helper.ec_command("sysjump ro")
|
|
helper.wait_output("idle task started")
|
|
helper.ec_command("gettime")
|
|
ec_start_time = helper.wait_output("Time: 0x[0-9a-f]* = (?P<t>[\d\.]+) s",
|
|
use_re=True)["t"]
|
|
time.sleep(DELAY)
|
|
helper.ec_command("sysjump a")
|
|
helper.wait_output("idle task started")
|
|
helper.ec_command("gettime")
|
|
ec_end_time = helper.wait_output("Time: 0x[0-9a-f]* = (?P<t>[\d\.]+) s",
|
|
use_re=True)["t"]
|
|
|
|
time_diff = float(ec_end_time) - float(ec_start_time)
|
|
return time_diff >= DELAY and time_diff <= DELAY + ERROR_MARGIN
|