Messages in this thread | | | Date | Fri, 30 Nov 2007 11:54:50 +0100 | From | Ingo Molnar <> | Subject | Re: [patch 0/2] x86, ptrace: support for branch trace store(BTS) |
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* Andrew Morton <akpm@linux-foundation.org> wrote:
> The patches were horridly wordwrapped.
yep, i already tried to check how well it integrates to x86.git:
http://lkml.org/lkml/2007/11/29/93
the code does not seem to be layered correctly: i'd suggest to read the discussion between Roland McGrath and Alan Stern on lkml, about kwatch -> hw_breakpoint, to see how a more general debugging framework can/should be built. These things shouldnt be limited to user-space alone, the kernel could probably use hardware tracing even more than user-space could. (because it's a much harder to debug environment)
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