• Huang Rui's avatar
    perf/x86/msr: Add AMD IRPERF (Instructions Retired) performance counter · aaf24884
    Huang Rui authored
    AMD Zeppelin (Family 17h, Model 00h) introduces an instructions
    retired performance counter which is indicated by
    CPUID.8000_0008H:EBX[1]. A dedicated Instructions Retired MSR register
    (MSR 0xC000_000E9) increments once for every instruction retired.
    Signed-off-by: default avatarHuang Rui <ray.huang@amd.com>
    Signed-off-by: default avatarPeter Zijlstra (Intel) <peterz@infradead.org>
    Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
    Cc: Andy Lutomirski <luto@amacapital.net>
    Cc: Aravind Gopalakrishnan <Aravind.Gopalakrishnan@amd.com>
    Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
    Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
    Cc: Borislav Petkov <bp@alien8.de>
    Cc: Borislav Petkov <bp@suse.de>
    Cc: Fengguang Wu <fengguang.wu@intel.com>
    Cc: Jacob Shin <jacob.w.shin@gmail.com>
    Cc: Jiri Olsa <jolsa@redhat.com>
    Cc: Kan Liang <kan.liang@intel.com>
    Cc: Linus Torvalds <torvalds@linux-foundation.org>
    Cc: Peter Zijlstra <peterz@infradead.org>
    Cc: Robert Richter <rric@kernel.org>
    Cc: Stephane Eranian <eranian@google.com>
    Cc: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
    Cc: Thomas Gleixner <tglx@linutronix.de>
    Cc: Vince Weaver <vincent.weaver@maine.edu>
    Link: http://lkml.kernel.org/r/1454056197-5893-3-git-send-email-ray.huang@amd.comSigned-off-by: default avatarIngo Molnar <mingo@kernel.org>
    aaf24884
msr.c 5.88 KB