Sephe, Thanks, I searched for quite a bit before discovering this module is not in the 4.0.* release or the 4-branch. It only exists in the master branch.
Would it be safe to cherry-pick those specific commits to the 4.0 RELEASE head? Thanks, Alex On Thu, Apr 23, 2015 at 9:28 PM, Sepherosa Ziehau <[email protected]> wrote: > On Fri, Apr 24, 2015 at 2:32 AM, Alex Merritt <[email protected]> > wrote: > > Hello, > > > > Can anyone point me to tools that run on DragonFly which access CPU > > performance counters? Tools like likwid run only on Linux, requiring the > > "msr" kernel module (arch/x86/kernel/msr.c), or others use some > > Linux-specific APIs, such as perf_events (the Perf tool). > > > > If there are none, what would be required to support one of the common > > tools? Could we port the MSR API from Linux (even as a hack, initially)? > > We have cpuctl module, which could used by userland to access MSRs. > > Best Regards, > sephe > > -- > Tomorrow Will Never Die >
