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"""Module for generating and collecting embedded resource results."""
from __future__ import absolute_import
import os
from buildscripts.mobile import adb_monitor
from buildscripts.resmokelib import config as _config
from buildscripts.resmokelib.testing.hooks import interface
class CollectEmbeddedResources(interface.Hook): # pylint: disable=too-many-instance-attributes
"""CollectEmbeddedResources class.
CollectEmbeddedResources starts and stops the resource monitoring for each test.
"""
DESCRIPTION = "Embedded resources"
def __init__(self, hook_logger, fixture, sample_interval_ms=500, threads=1):
"""Initialize CollectEmbeddedResources."""
interface.Hook.__init__(self, hook_logger, fixture, CollectEmbeddedResources.DESCRIPTION)
self.hook_logger = hook_logger
self.adb = None
self.adb_control = None
if _config.BENCHRUN_DEVICE == "Android":
self.report_root = _config.BENCHRUN_REPORT_ROOT
self.sample_interval_ms = sample_interval_ms
self.threads = threads
self.battery_file = "battery.csv"
self.cpu_file = "cpu.json"
self.memory_file = "memory.csv"
self.adb = adb_monitor.Adb(logger=hook_logger)
def before_test(self, test, test_report):
"""Start ADB monitoring."""
if self.adb:
battery_file = self._report_path(test, "battery.csv")
cpu_file = self._report_path(test, "cpu.json")
memory_file = self._report_path(test, "memory.csv")
self.adb_control = adb_monitor.AdbControl(
self.adb, logger=self.hook_logger, battery_file=battery_file, cpu_file=cpu_file,
memory_file=memory_file, sample_interval_ms=self.sample_interval_ms)
self.hook_logger.info("Starting ADB monitoring for test %s", test.short_name())
self.hook_logger.info("ADB resource files: %s %s %s", battery_file, cpu_file,
memory_file)
self.adb_control.start()
def after_test(self, test, test_report):
"""Stop ADB monitoring."""
if self.adb_control:
self.hook_logger.info("Stopping ADB monitoring for test %s", test.short_name())
self.adb_control.stop()
def _report_path(self, test, report_name):
"""Return the report path. Reports are stored in <report_root>/<testname>/thread<num>/."""
return os.path.join(self.report_root, test.short_name(), "thread{}".format(self.threads),
report_name)
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