tools/perf/metrics/cpu_unittest.py - Issue 2560543002: [telemetry] Fix CPU metric jiffie overflow correction.

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Unified Diff: tools/perf/metrics/cpu_unittest.py

Issue 2560543002: [telemetry] Fix CPU metric jiffie overflow correction. (Closed)

Patch Set: Typo. Created 4 years ago

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Index: tools/perf/metrics/cpu_unittest.py

diff --git a/tools/perf/metrics/cpu_unittest.py b/tools/perf/metrics/cpu_unittest.py

index c2157b318ec026d0843bf8ad50e71db7d91d17e2..7749bc4640a409b65908bd0164d183020d3d6665 100644

--- a/tools/perf/metrics/cpu_unittest.py

+++ b/tools/perf/metrics/cpu_unittest.py

@@ -35,7 +35,7 @@ class CpuMetricTest(unittest.TestCase):

cpu._SubtractCpuStats(end, start))

# Test 32-bit overflow.

- start = {'Browser': {'CpuProcessTime': 0, 'TotalTime': 2 ** 32 - 20}}

+ start = {'Browser': {'CpuProcessTime': 0, 'TotalTime': 2 ** 32 / 100. - 20}}

end = {'Browser': {'CpuProcessTime': 5, 'TotalTime': 20}}

self.assertEqual({'Browser': 0.125}, cpu._SubtractCpuStats(end, start))

self.assertRaises(AssertionError, cpu._SubtractCpuStats, start, end)

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