Eric van Gyzen wrote this message on Fri, Aug 22, 2014 at 15:16 -0400: > What behavior would you expect from this sequence of commands? > > ktrace -tw -p 1234 > ktrace -c -p 1234 > > Based on this... > > -c Clear the trace points associated with the specified file > or processes. and/or just add specified: Clear the specified trace points ... > ...I would expect the second command to clear the trace point for > context switches. It doesn't. I have to specify -tw with the -c to get > that behavior. This makes sense; it's just not what I was expecting. > > Assuming we want to keep this behavior, can we clarify the -c flag in > man page? I would suggest: > > If the -t flag is not specified, clear the default set of trace points. Maybe we should add a new trace point string that is a (for all).. so you can do ktrace -ta -c? -- John-Mark Gurney Voice: +1 415 225 5579 "All that I will do, has been done, All that I have, has not."Received on Fri Aug 22 2014 - 17:20:36 UTC
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