mariadb/db-benchmark-test/tracedelta.py

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import sys
def main():
ts = None
while 1:
b = sys.stdin.readline()
if b == "": break
f = b.split()
if len(f) != 2: continue
newts = int(f[0])
event = f[1]
if ts is None:
ts = int(f[0])
else:
print "%8d %s" % (newts - ts, event)
ts = newts
return 0
sys.exit(main())