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make fixed counters optional

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This commit is contained in:
Andreas Abel
2021-10-29 17:32:59 +02:00
parent 645d7c7b92
commit 04bfd842a4
22 changed files with 294 additions and 241 deletions
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15
kernelNanoBench.py
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@@ -3,8 +3,8 @@ import collections
import subprocess
import sys
PFC_START_ASM = '.quad 0xE0b513b1C2813F04'
PFC_STOP_ASM = '.quad 0xF0b513b1C2813F04'
PFC_START_ASM = '.quad 0xE0B513B1C2813F04'
PFC_STOP_ASM = '.quad 0xF0B513B1C2813F04'
def writeFile(fileName, content):
with open(fileName, 'w') as f:
@@ -53,9 +53,9 @@ paramDict = dict()
# Assumes that no changes to the corresponding files in /sys/nb/ were made since the last call to setNanoBenchParameters().
# Otherwise, reset() needs to be called first.
def setNanoBenchParameters(config=None, configFile=None, msrConfig=None, msrConfigFile=None, nMeasurements=None, unrollCount=None, loopCount=None,
warmUpCount=None, initialWarmUpCount=None, alignmentOffset=None, codeOffset=None, drainFrontend=None, aggregateFunction=None,
basicMode=None, noMem=None, noNormalization=None, verbose=None):
def setNanoBenchParameters(config=None, configFile=None, msrConfig=None, msrConfigFile=None, fixedCounters=None, nMeasurements=None, unrollCount=None,
loopCount=None, warmUpCount=None, initialWarmUpCount=None, alignmentOffset=None, codeOffset=None, drainFrontend=None,
aggregateFunction=None, basicMode=None, noMem=None, noNormalization=None, verbose=None):
if not ramdiskCreated: createRamdisk()
if config is not None:
@@ -74,6 +74,11 @@ def setNanoBenchParameters(config=None, configFile=None, msrConfig=None, msrConf
if msrConfigFile is not None:
writeFile('/sys/nb/msr_config', msrConfigFile)
if fixedCounters is not None:
if paramDict.get('fixedCounters', None) != fixedCounters:
writeFile('/sys/nb/fixed_counters', str(int(fixedCounters)))
paramDict['fixedCounters'] = fixedCounters
if nMeasurements is not None:
if paramDict.get('nMeasurements', None) != nMeasurements:
writeFile('/sys/nb/n_measurements', str(nMeasurements))