From f26b151977447be3b86f92c91e1caedc9b5eb8bf Mon Sep 17 00:00:00 2001 From: Len Brown Date: Fri, 23 Jun 2017 20:45:54 -0700 Subject: tools/power turbostat: decode MSR_IA32_MISC_ENABLE only on Intel otherwise, turbostat bails on on AMD Opteron boxes: turbostat: cpu26: msr offset 0x1a0 read failed: Input/output error Reported-by: Kamil Kolakowski Signed-off-by: Len Brown --- tools/power/x86/turbostat/turbostat.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c index 1a3a5b436b80..33992a93148b 100644 --- a/tools/power/x86/turbostat/turbostat.c +++ b/tools/power/x86/turbostat/turbostat.c @@ -3943,6 +3943,9 @@ void decode_misc_enable_msr(void) { unsigned long long msr; + if (!genuine_intel) + return; + if (!get_msr(base_cpu, MSR_IA32_MISC_ENABLE, &msr)) fprintf(outf, "cpu%d: MSR_IA32_MISC_ENABLE: 0x%08llx (%sTCC %sEIST %sMWAIT %sPREFETCH %sTURBO)\n", base_cpu, msr, -- cgit v1.2.3