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- Print clock information so we know if something is not reported correctly

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from the tsc.
 - Set skipnext = 1 for yielding and preempted events so we don't show the
   event that adds us back to the run queue.  It used to be 2 so we would
   skip the ksegrp run queue addition and the system run queue addition
   but the ksegrp run queue has gone away.
 - Don't display down to nanosecond resolution for scheduling events right
   now.  This can sometimes cause a division by zero.
This commit is contained in:
Jeff Roberson 2007-01-23 22:19:27 +00:00
parent 781cf91bcd
commit 4a2e6a080b
1 changed files with 7 additions and 7 deletions
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14
tools/sched/schedgraph.py
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@ -50,11 +50,8 @@ status = None
configtypes = []
def ticks2sec(ticks):
ns = ticksps / 1000000000
ticks /= ns
if (ticks < 1000):
return (str(ticks) + "ns")
ticks /= 1000
us = ticksps / 1000000
ticks /= us
if (ticks < 1000):
return (str(ticks) + "us")
ticks /= 1000
@ -498,7 +495,7 @@ class Yielding(StateEvent):
enabled = 1
def __init__(self, thread, cpu, timestamp, prio):
StateEvent.__init__(self, thread, cpu, timestamp)
self.skipnext = 2
self.skipnext = 1
self.prio = prio
self.textadd(("prio:", self.prio, 0))
@ -543,7 +540,7 @@ class Preempted(StateEvent):
enabled = 1
def __init__(self, thread, cpu, timestamp, prio, bythread):
StateEvent.__init__(self, thread, cpu, timestamp)
self.skipnext = 2
self.skipnext = 1
self.prio = prio
self.linked = bythread
self.textadd(("prio:", self.prio, 0))
@ -829,6 +826,9 @@ class KTRFile:
self.fixup()
global ticksps
ticksps = self.ticksps()
print "Ticks per second", ticksps, "timespan", self.timespan()
print "stathz", self.stathz
print "first", self.timestamp_first, "last", self.timestamp_last
def parse(self, file):
try: