def loadCounter(self, threadId, loader, probes, record):
"""
Loads time and pmu counters from the given record
:param threadId: Id of thread collecting the samples
:param loader: loader to build transactions out of the counters
:param probes: Map of probes instrumented in target application
:param record: A sample record in csv format
"""
fields = record.split(',')
if len(fields) < self.MIN_FIELD_COUNT:
raise Exception(
'detected record with < {} fields - \nrecord: "{}"\n'.format(
self.MIN_FIELD_COUNT, record))
addr = fields[self.INDEX_ADDR]
if addr not in probes:
self.orphanedSamplesCount += 1
return None
data = fields[self.INDEX_DATA]
tsc = int(fields[self.INDEX_TSC], 16)
counter = Counter(threadId, probes[addr], data, tsc)
if len(fields) > self.MIN_FIELD_COUNT:
for pmc in fields[self.MIN_FIELD_COUNT + 1:]:
counter.addPmc(int(pmc))
if self.counterFilter.canLoad(counter):
loader.loadCounter(counter)
return counter
def loadSample(self, threadId, loader, probes, sample):
"""
Loads time and pmu counters from xpedite sample objects
:param threadId: Id of thread collecting the samples
:param loader: loader to build transactions out of the counters
:param probes: Map of probes instrumented in target application
:param sample: An object with binding to underlying C++ Sample object
"""
addr = hex(sample.returnSite())
if addr not in probes:
self.orphanedSamplesCount += 1
return None
data = sample.dataStr() if sample.hasData() else ''
counter = Counter(threadId, probes[addr], data, sample.tsc())
if sample.hasPmc():
for i in range(sample.pmcCount()):
counter.addPmc(sample.pmc(i))
if self.counterFilter.canLoad(counter):
loader.loadCounter(counter)
return counter