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[4/5] tools/power turbostat: decode MSR_IA32_MISC_ENABLE only on Intel

Message ID f26b151977447be3b86f92c91e1caedc9b5eb8bf.1498359826.git.len.brown@intel.com (mailing list archive)
State Mainlined
Delegated to: Rafael Wysocki
Headers show

Commit Message

Len Brown June 25, 2017, 3:13 a.m. UTC 
From: Len Brown <len.brown@intel.com>

otherwise, turbostat bails on on AMD Opteron boxes:

turbostat: cpu26: msr offset 0x1a0 read failed: Input/output error

Reported-by: Kamil Kolakowski <kkolakow@redhat.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 tools/power/x86/turbostat/turbostat.c | 3 +++
 1 file changed, 3 insertions(+)
diff mbox

Patch

diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c
index 1a3a5b4..33992a9 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,