Messages in this thread | | | From | Andi Kleen <> | Subject | Re: utrace vs. ptrace | Date | Thu, 13 Jul 2006 14:37:28 +0200 |
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On Thursday 13 July 2006 11:24, Ingo Molnar wrote: > * Ingo Molnar <mingo@elte.hu> wrote: > > utrace enables something like 'transparent live debugging': an app > > crashes in your distro, a window pops up, and you can 'hand over' a > > debugging session to a developer you trust. Or you can instruct the > > system to generate a coredump. Or you can generate a shorter summary > > of the crash, sent to a central site. > > not to mention that utrace could be used to move most of the ELF > coredumping code out of the kernel. (the moment you have access to all > crashed threads userspace can construct its own coredump - instead of > having the kernel construct a coredump file) Roland's patch does not go > as far yet, but it could be a possible target.
I'm not sure that's particularly useful (I think I would prefer to keep it in kernel), but executing a program when a core dump happens is useful with lots of applications. I had patches for this that i should probably submit at some point.
-Andi
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