Re: perf: thread is its own parent

From: David Ahern
Date: Thu Mar 19 2015 - 09:56:42 EST

On 3/19/15 7:20 AM, Don Zickus wrote:
Honestly I don't recall. The commit log tells you the problem I was trying
to solve. Instead of parsing text strings from/proc/maps/<pid>, I believe
it was waaaay faster to copy the thread maps.

This could have been an oversight. I might have falsely assumed tgid ==

Are you finding a problem with it?

rebasing my scheduling timehist command to 4.0 and this change breaks one of the options. If there are no objections I'll send a patch along with others to set ptid and ppid to -1 (that's what it is in 3.12).

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