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pm-graph: make setVal unbuffered again for python2 and python3

Browse source 
sleepgraph:
 - kprobe_events won't set correctly if the data is buffered
 - force sysvals.setVal to be unbuffered and use binary mode
 - tested in both python2 and python3

Link: https://bugzilla.kernel.org/show_bug.cgi?id=204773
Signed-off-by: Todd Brandt <[email protected]>
[ rjw: Subject ]
Signed-off-by: Rafael J. Wysocki <[email protected]>
This commit is contained in:
Todd Brandt 2019-09-04 14:04:52 -07:00 • committed by Rafael J. Wysocki
commit 4216148337
1 changed files with 5 additions and 5 deletions
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10
tools/power/pm-graph/sleepgraph.py
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@ -667,19 +667,19 @@ class SystemValues:
if linesack < linesout:
return False
return True
def setVal(self, val, file, mode='w'):
def setVal(self, val, file):
if not os.path.exists(file):
return False
try:
fp = open(file, mode)
fp.write(val)
fp = open(file, 'wb', 0)
fp.write(val.encode())
fp.flush()
fp.close()
except:
return False
return True
def fsetVal(self, val, path, mode='w'):
return self.setVal(val, self.tpath+path, mode)
def fsetVal(self, val, path):
return self.setVal(val, self.tpath+path)
def getVal(self, file):
res = ''
if not os.path.exists(file):