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oeqa.buildperf: measure io stat

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Add data from /proc/<pid>/io to system resource measurements.

(From OE-Core rev: e69a46a77854fac1169a09e0c5b70fa4b972255a)

Signed-off-by: Markus Lehtonen <markus.lehtonen@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Markus Lehtonen 2016-08-29 22:48:27 +03:00 committed by Richard Purdie
parent 0b332039ea
commit f1fb013d48
1 changed files with 9 additions and 2 deletions
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11
meta/lib/oeqa/buildperf/base.py
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@ -340,6 +340,11 @@ class BuildPerfTestCase(unittest.TestCase):
ret = runCmd2(cmd, **kwargs)
etime = datetime.now() - start_time
rusage_struct = resource.getrusage(resource.RUSAGE_CHILDREN)
iostat = {}
with open('/proc/{}/io'.format(os.getpid())) as fobj:
for line in fobj.readlines():
key, val = line.split(':')
iostat[key] = int(val)
rusage = {}
# Skip unused fields, (i.e. 'ru_ixrss', 'ru_idrss', 'ru_isrss',
# 'ru_nswap', 'ru_msgsnd', 'ru_msgrcv' and 'ru_nsignals')
@ -350,7 +355,8 @@ class BuildPerfTestCase(unittest.TestCase):
data_q.put({'ret': ret,
'start_time': start_time,
'elapsed_time': etime,
'rusage': rusage})
'rusage': rusage,
'iostat': iostat})
except Exception as err:
data_q.put(err)
@ -378,7 +384,8 @@ class BuildPerfTestCase(unittest.TestCase):
'legend': legend}
measurement['values'] = {'start_time': data['start_time'],
'elapsed_time': etime,
'rusage': data['rusage']}
'rusage': data['rusage'],
'iostat': data['iostat']}
self.measurements.append(measurement)
# Append to 'times' array for globalres log