[perfmon2] [PATCH] perf_events: improve x86 event scheduling

2010-01-12 Thread Stephane Eranian
This patch improves event scheduling by maximizing the use of PMU registers regardless of the order in which events are created in a group. The algorithm takes into account the list of counter constraints for each event. It assigns events to counters from th

Re: [perfmon2] installation about libpfmn4

2010-01-12 Thread stephane eranian
Hi, Sorry for the delay. libpfm4 is not for perfmon2 but for perf_events. There is a version of perfmon2 (and libpfm3) for 2.6.25 but it is very old. I don't recall exactly which release you would need to use. On Thu, Jan 7, 2010 at 3:37 PM, explore_zjx wrote: > Hello, Everyone! >   I'm a new

Re: [perfmon2] [PATCH] perf_events: improve x86 event scheduling

2010-01-12 Thread Peter Zijlstra
On Tue, 2010-01-12 at 12:50 +0200, Stephane Eranian wrote: > This patch improves event scheduling by maximizing the use > of PMU registers regardless of the order in which events are > created in a group. > > The algorithm takes into account the list of counter constraints