tools/telemetry/telemetry/core/platform/mac_platform_backend.py - Issue 20766003: [Telemetry] Add the ability to flush the system file cache to platform.

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Unified Diff: tools/telemetry/telemetry/core/platform/mac_platform_backend.py

Issue 20766003: [Telemetry] Add the ability to flush the system file cache to platform. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src

Patch Set: Simpler Android support Created 7 years, 5 months ago

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Index: tools/telemetry/telemetry/core/platform/mac_platform_backend.py

diff --git a/tools/telemetry/telemetry/core/platform/mac_platform_backend.py b/tools/telemetry/telemetry/core/platform/mac_platform_backend.py

index 7582090de34619517cd324b8845ce52a1c112958..8e707151fa4f32360fe6b4e33b026ba78ef574b7 100644

--- a/tools/telemetry/telemetry/core/platform/mac_platform_backend.py

+++ b/tools/telemetry/telemetry/core/platform/mac_platform_backend.py

@@ -3,6 +3,7 @@

# found in the LICENSE file.

import os

+import subprocess

try:

import resource # pylint: disable=F0401

except ImportError:

@@ -61,3 +62,11 @@ class MacPlatformBackend(posix_platform_backend.PosixPlatformBackend):

return 'mountainlion'

#if os_version.startswith('13.'):

# return 'mavericks'

+ def CanFlushIndividualFilesFromSystemCache(self):

+ return False

+ def FlushEntireSystemCache(self):

+ p = subprocess.Popen(['purge'])

+ p.wait()

+ assert p.returncode == 0, 'Failed to flush system cache'