linux-kernel - [PATCH 6.12] tools/power turbostat: fix GCC9 build regression

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Message-Id: <20260206085539.1371685-1-kniv@yandex-team.ru>
Date: Fri,  6 Feb 2026 11:55:39 +0300
From: Nikolay Kuratov <kniv@...dex-team.ru>
To: stable@...r.kernel.org
Cc: linux-kernel@...r.kernel.org,
	linux-pm@...r.kernel.org,
	Patryk Wlazlyn <patryk.wlazlyn@...ux.intel.com>,
	Len Brown <lenb@...nel.org>,
	Todd Brandt <todd.e.brandt@...el.com>,
	Chen Yu <yu.c.chen@...el.com>,
	Len Brown <len.brown@...el.com>,
	Nikolay Kuratov <kniv@...dex-team.ru>
Subject: [PATCH 6.12] tools/power turbostat: fix GCC9 build regression

From: Todd Brandt <todd.e.brandt@...el.com>

From: Todd Brandt <todd.e.brandt@...el.com>

commit d4a058762f3d931aa1159b64ba94a09a04024f8c upstream.

Fix build regression seen when using old gcc-9 compiler.

Fixes: 640540beb883 ("tools/power turbostat: Add MTL's PMT DC6 builtin counter")
Signed-off-by: Todd Brandt <todd.e.brandt@...el.com>
Reviewed-by: Chen Yu <yu.c.chen@...el.com>
Signed-off-by: Len Brown <len.brown@...el.com>
Signed-off-by: Nikolay Kuratov <kniv@...dex-team.ru>
---
 tools/power/x86/turbostat/turbostat.c | 15 ++++++---------
 1 file changed, 6 insertions(+), 9 deletions(-)

diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c
index b663a76d31f1..86ffe7e06a14 100644
--- a/tools/power/x86/turbostat/turbostat.c
+++ b/tools/power/x86/turbostat/turbostat.c
@@ -2798,6 +2798,8 @@ int format_counters(struct thread_data *t, struct core_data *c, struct pkg_data
 	}
 
 	for (i = 0, ppmt = sys.pmt_tp; ppmt; i++, ppmt = ppmt->next) {
+		const unsigned long value_raw = t->pmt_counter[i];
+		const double value_converted = 100.0 * value_raw / crystal_hz / interval_float;
 		switch (ppmt->type) {
 		case PMT_TYPE_RAW:
 			if (pmt_counter_get_width(ppmt) <= 32)
@@ -2809,9 +2811,6 @@ int format_counters(struct thread_data *t, struct core_data *c, struct pkg_data
 			break;
 
 		case PMT_TYPE_XTAL_TIME:
-			const unsigned long value_raw = t->pmt_counter[i];
-			const double value_converted = 100.0 * value_raw / crystal_hz / interval_float;
-
 			outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), value_converted);
 			break;
 		}
@@ -2879,6 +2878,8 @@ int format_counters(struct thread_data *t, struct core_data *c, struct pkg_data
 	}
 
 	for (i = 0, ppmt = sys.pmt_cp; ppmt; i++, ppmt = ppmt->next) {
+		const unsigned long value_raw = c->pmt_counter[i];
+		const double value_converted = 100.0 * value_raw / crystal_hz / interval_float;
 		switch (ppmt->type) {
 		case PMT_TYPE_RAW:
 			if (pmt_counter_get_width(ppmt) <= 32)
@@ -2890,9 +2891,6 @@ int format_counters(struct thread_data *t, struct core_data *c, struct pkg_data
 			break;
 
 		case PMT_TYPE_XTAL_TIME:
-			const unsigned long value_raw = c->pmt_counter[i];
-			const double value_converted = 100.0 * value_raw / crystal_hz / interval_float;
-
 			outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), value_converted);
 			break;
 		}
@@ -3078,6 +3076,8 @@ int format_counters(struct thread_data *t, struct core_data *c, struct pkg_data
 	}
 
 	for (i = 0, ppmt = sys.pmt_pp; ppmt; i++, ppmt = ppmt->next) {
+		const unsigned long value_raw = p->pmt_counter[i];
+		const double value_converted = 100.0 * value_raw / crystal_hz / interval_float;
 		switch (ppmt->type) {
 		case PMT_TYPE_RAW:
 			if (pmt_counter_get_width(ppmt) <= 32)
@@ -3089,9 +3089,6 @@ int format_counters(struct thread_data *t, struct core_data *c, struct pkg_data
 			break;
 
 		case PMT_TYPE_XTAL_TIME:
-			const unsigned long value_raw = p->pmt_counter[i];
-			const double value_converted = 100.0 * value_raw / crystal_hz / interval_float;
-
 			outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), value_converted);
 			break;
 		}
-- 
2.34.1