I have noticed that when I profile GEM5 (in FS mode, or in SE using ruby random tester), the profile output accounts for about 1/4 to 1/3 of the time actually taken for the entire simulation. I think rest of the time is spent in system and library calls. Is there a way to profile these calls? I know LD_PROFILE can be used for profiling shared objects, but I do not have a C library compiled with profiling symbols included.

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Nilay
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