Hardware performance events are not counted by perf in a 2.6.31.12 KVM guest

Hello, perf tool does not count hardware performance events ( cache misses etc) in a KVM guest ( Ubuntu 9.10 karmic, 2.6.31-14-generic kernel) on Xeon 5530 quad-core. The host is 2.6.28 kernel , Ubuntu 8.04 LTS, Hardy. readfile.sh reads in a large file (1430 lines), which

Re: Hardware performance events are not counted by perf in a 2.6.31.12 KVM guest

* Naresh Rapolu (nrap...@purdue.edu) wrote: perf tool does not count hardware performance events ( cache misses etc) in a KVM guest The guest does not see a PMU. For basic profiling you can use timer based in guest, but there is not yet support for PMU. thanks, -chris -- To unsubscribe