From: Antti Laakso <antti.laakso@intel.com>
Date: Wed, 25 Jan 2023 13:17:50 +0000 (+0200)
Subject: tools/power turbostat: fix decoding of HWP_STATUS
X-Git-Tag: v6.2.10~129
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=aa1f298b397be89e5192c9a3345def7e81985d54;p=thirdparty%2Fkernel%2Fstable.git

tools/power turbostat: fix decoding of HWP_STATUS

[ Upstream commit 92c25393586ac799b9b7d9e50434f3c44a7622c4 ]

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>
Signed-off-by: Len Brown <len.brown@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---

diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c
index c24054e3ef7ad..c61c6c704fbe6 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;
 }