Messages in this thread | | | Date | Tue, 26 Jan 2010 23:03:01 +0100 | From | Andi Kleen <> | Subject | Re: linux-next: add utrace tree |
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> Simple example. Try to debug/strace strace ot gdb itself. Not trivial, > you can't attach to strace's tracees. Recently I spent 2 days trying to > understand why strace -f hangs. I was able to attach to strace, but > I wasn't able to see what its tracees do.
But what would the semantics be inside the tracees even if you could?
> And, it was not possible to even trace strace until it hangs, with > ptrace the tracee (strace) must stop to report the event and this > shadowed the race.
"Shadowing the race" was the second surname of strace I thought anyways @) Basically if you care about races never use strace in the first place.
-Andi -- ak@linux.intel.com -- Speaking for myself only.
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