commit e9be7dd62899194ebdd90d417fc6c07d5d157912
author Len Brown <len.brown@intel.com> Tue May 26 12:19:37 2015 -0400
committer Len Brown <len.brown@intel.com> Wed May 27 18:04:00 2015 -0400
tree e211ecf1e667ec73a271c95a094d481939b972fd
parent fb5d432722e186c656285ccc088e35dbe24f6fd1

tools/power turbostat: correctly decode of ENERGY_PERFORMANCE_BIAS

When EPB is 0xF, turbosat was incorrectly describing it as "custom"
instead of calling it "powersave":

< cpu0: MSR_IA32_ENERGY_PERF_BIAS: 0x0000000f (custom)
> cpu0: MSR_IA32_ENERGY_PERF_BIAS: 0x0000000f (powersave)

Signed-off-by: Len Brown <len.brown@intel.com>

tools/power/x86/turbostat/turbostat.c

diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c
index 256a5e1..f92211e 100644
--- a/tools/power/x86/turbostat/turbostat.c
+++ b/tools/power/x86/turbostat/turbostat.c
@@ -1919,7 +1919,7 @@
 	if (get_msr(cpu, MSR_IA32_ENERGY_PERF_BIAS, &msr))
 		return 0;
 
-	switch (msr & 0x7) {
+	switch (msr & 0xF) {
 	case ENERGY_PERF_BIAS_PERFORMANCE:
 		epb_string = "performance";
 		break;