Messages in this thread | | | Subject | Re: [PATCH] proc: revert to show stack information in /proc/{pid}/status | From | Stefani Seibold <> | Date | Fri, 01 Jan 2010 17:09:53 +0100 |
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Am Freitag, den 01.01.2010, 16:49 +0100 schrieb Andi Kleen: > KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> writes: > > > > Anyway, I revert the regresstion patch as other regression patches. if you really want > > this feature, you have three options. > > > > 1. create new /proc file instead to use /proc/pid/status. > > 2. improve performance until typical use-case don't notice regression. > > 3. change ps and other /proc related userland implementation and resubmit this patch. > > > > But even if you choose anything, You have to test both its functional and performance > > _before_ submitting kernel patch. > > > 4. Leave everything alone (revert all the commits) and use a ptrace > based tool to get this information when you need it. >
Without the stack_start and the fix for the bogus x86_64 KSTP_ESP it wouldn't be possible.
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