Messages in this thread | | | Date | Thu, 9 Feb 2012 16:28:44 +0100 | From | Joerg Roedel <> | Subject | Re: perf: record segfaults for cycles event when collecting data on a VM |
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On Thu, Feb 09, 2012 at 03:32:53PM +0100, Joerg Roedel wrote: > Yeah, right. Guest samples may also show up intentionally when the event > modifiers are used. So crashing on machine==NULL needs to be fixed.
Hmm, on the other hand, there is no way to specify guest symbol information to the regular perf subcommands except for perf-kvm. Without that information perf can not resolve any GUEST_KERNEL samples, so in the end there is no point in setting perf_guest to true except for perf-kvm, no?
Joerg
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