Messages in this thread | | | Subject | RE: [patch] x86, ptrace: support pebs in ds.c and disable ptraceand ds support | Date | Wed, 26 Mar 2008 09:16:53 -0000 | From | "Metzger, Markus T" <> |
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>-----Original Message----- >From: Ingo Molnar [mailto:mingo@elte.hu] >Sent: Freitag, 21. März 2008 13:54
>> Polish the ds.h interface and add support for PEBS. >> >> Guard DS support and the ptrace interface to BTS by CONFIG macros; >> disabled per default. >> >> Ds.c is meant to be the resource allocator for per-thread and per-cpu >> BTS and PEBS recording. >> It is used by ptrace to provide execution tracing of debugged tasks. >> It will be used by utrace for the same purpose. >> It will be used by profilers (e.g. perfmon2). >> It may be used by kernel debuggers to provide a kernel >execution trace. > >we could apply this if Roland Acks it - but i guess a precondition for >that is to not include more ptrace extensions and to also >start working >on utrace support for it. Ptrace is something we want to reduce usage >of, not extend.
The patch is not adding new features. It is merely re-establishing the state before the patch mysteriously disappeared from x86#testing.
You actually asked me to resubmit the patch.
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