Re: [PATCH v3] perf: honoring the architectural performance monitoring version

2015-06-18 Thread Imre Palik
On 06/16/15 11:21, Peter Zijlstra wrote: > On Mon, Jun 15, 2015 at 04:22:32PM +0200, Imre Palik wrote: >> From: "Palik, Imre" >> >> Architectural performance monitoring version 1 doesn't support fixed >> counters. Currently, even if a hypervisor advertises support for >> architectural performance

Re: [PATCH v3] perf: honoring the architectural performance monitoring version

2015-06-16 Thread Peter Zijlstra
On Mon, Jun 15, 2015 at 04:22:32PM +0200, Imre Palik wrote: > From: "Palik, Imre" > > Architectural performance monitoring version 1 doesn't support fixed > counters. Currently, even if a hypervisor advertises support for > architectural performance monitoring version 1, perf may still tries to

[PATCH v3] perf: honoring the architectural performance monitoring version

2015-06-15 Thread Imre Palik
From: "Palik, Imre" Architectural performance monitoring version 1 doesn't support fixed counters. Currently, even if a hypervisor advertises support for architectural performance monitoring version 1, perf may still tries to use the fixed counters, as the constraints are set up based on the CPU