tools/power/turbostat: Fix a knl bug

MSR_KNL_CORE_C6_RESIDENCY should be evaluated only if
1. this is KNL platform
AND
2. need to get C6 residency or need to calculate C1 residency

Fix the broken logic introduced by commit 1e9042b9c8d4 ("tools/power
turbostat: Fix CPU%C1 display value").

Fixes: 1e9042b9c8d4 ("tools/power turbostat: Fix CPU%C1 display value")
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Reviewed-by: Len Brown <len.brown@intel.com>

diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c
index 9de1ff6..fb6c6dd 100644 (file)
--- a/tools/power/x86/turbostat/turbostat.c
+++ b/tools/power/x86/turbostat/turbostat.c
@@ -2180,7 +2180,7 @@ retry:
        if ((DO_BIC(BIC_CPU_c6) || soft_c1_residency_display(BIC_CPU_c6)) && !do_knl_cstates) {
                if (get_msr(cpu, MSR_CORE_C6_RESIDENCY, &c->c6))
                        return -7;
-       } else if (do_knl_cstates || soft_c1_residency_display(BIC_CPU_c6)) {
+       } else if (do_knl_cstates && soft_c1_residency_display(BIC_CPU_c6)) {
                if (get_msr(cpu, MSR_KNL_CORE_C6_RESIDENCY, &c->c6))
                        return -7;
        }