| # Copyright 2015 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. |
| |
| |
| import histogram_parser |
| |
| from autotest_lib.client.common_lib import error |
| |
| def verify(cr, histogram_name, histogram_bucket_value): |
| """Verifies histogram availability and rate in a parsed histogram bucket |
| |
| @param cr: object, the Chrome instance |
| @param histogram_name: string, name of the histogram |
| @param histogram_bucket_value: int, refer to the bucket of the histogram |
| """ |
| |
| parser = histogram_parser.HistogramParser(cr, histogram_name) |
| buckets = parser.buckets |
| |
| if (not buckets or |
| histogram_bucket_value not in buckets or |
| not buckets[histogram_bucket_value] or |
| buckets[histogram_bucket_value].percent < 100.0): |
| raise error.TestError('%s not found or not at 100 percent. %s' |
| % (histogram_bucket_value, str(parser))) |
