diff mbox series

tools/power turbostat: fix decoding of HWP_STATUS

Message ID 20230125131750.1279959-1-antti.laakso@linux.intel.com
State New
Headers show
Series tools/power turbostat: fix decoding of HWP_STATUS | expand

Commit Message

antti.laakso@linux.intel.com Jan. 25, 2023, 1:17 p.m. UTC 
From: Antti Laakso <antti.laakso@intel.com>

The "excursion to minimum" information is in bit2
in HWP_STATUS MSR. Fix the bitmask used for
decoding the register.

Signed-off-by: Antti Laakso <antti.laakso@intel.com>
Reviewed-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
---
 tools/power/x86/turbostat/turbostat.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c
index aba460410dbd..3d576a7e877b 100644
--- a/tools/power/x86/turbostat/turbostat.c
+++ b/tools/power/x86/turbostat/turbostat.c
@@ -4426,7 +4426,7 @@  int print_hwp(struct thread_data *t, struct core_data *c, struct pkg_data *p)
 
 	fprintf(outf, "cpu%d: MSR_HWP_STATUS: 0x%08llx "
 		"(%sGuaranteed_Perf_Change, %sExcursion_Min)\n",
-		cpu, msr, ((msr) & 0x1) ? "" : "No-", ((msr) & 0x2) ? "" : "No-");
+		cpu, msr, ((msr) & 0x1) ? "" : "No-", ((msr) & 0x4) ? "" : "No-");
 
 	return 0;
 }