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From: Nicholas N. <nj...@cs...> - 2007-08-06 10:19:48
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On Mon, 6 Aug 2007, Oriol Prat wrote: > Thanks Nick. > It works fine. > > But is not a high cost to track entry and exit of all system calls? My guess is that it wouldn't make much difference because system calls should be relatively rare events, but I could be wrong. It depends on the circumstance. Try doing some timings with and without entry/exit tracking. > I'm only interested on clone post_syscall. I guess a function call is > expensive for waste twice this time on each system call. > > Is it possible to track only one system call number? Not without changing Valgrind's internals. Nick |