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perf: added support for per-cpu statistics

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per-cpu statistics now get added as metrics to the results (with
a classifier used to identify the cpu).
This commit is contained in:
Sergei Trofimov
2015-12-10 14:40:29 +00:00
parent 0005f927e8
commit bb37c31fed
1 changed files with 8 additions and 4 deletions
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12
wlauto/instrumentation/perf/__init__.py
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@@ -30,7 +30,7 @@ PERF_COMMAND_TEMPLATE = '{} stat {} {} sleep 1000 > {} 2>&1 '
DEVICE_RESULTS_FILE = '/data/local/perf_results.txt'
HOST_RESULTS_FILE_BASENAME = 'perf.txt'
PERF_COUNT_REGEX = re.compile(r'^\s*(\d+)\s*(.*?)\s*(\[\s*\d+\.\d+%\s*\])?\s*$')
PERF_COUNT_REGEX = re.compile(r'^(CPU\d+)?\s*(\d+)\s*(.*?)\s*(\[\s*\d+\.\d+%\s*\])?\s*$')
class PerfInstrument(Instrument):
@@ -130,9 +130,13 @@ class PerfInstrument(Instrument):
line = line.split('#')[0] # comment
match = PERF_COUNT_REGEX.search(line)
if match:
count = int(match.group(1))
metric = '{}_{}'.format(label, match.group(2))
context.result.add_metric(metric, count)
classifiers = {}
cpu = match.group(1)
if cpu is not None:
classifiers['cpu'] = int(cpu.replace('CPU', ''))
count = int(match.group(2))
metric = '{}_{}'.format(label, match.group(3))
context.result.add_metric(metric, count, classifiers=classifiers)
def teardown(self, context): # pylint: disable=R0201
self._clean_device()