meta-openembedded/meta-oe/recipes-kernel/libpfm/libpfm4/0002-perf_examples-Remove-unused-sum-variable.patch

From 0b2f611a95f3c93454453892bbe021ad2815925d Mon Sep 17 00:00:00 2001
From: Khem Raj <raj.khem@gmail.com>
Date: Tue, 15 Jun 2021 17:35:26 -0700
Subject: [PATCH] perf_examples: Remove unused 'sum' variable

Fixes
self_smpl_multi.c:144:19: error: variable 'sum' set but not used [-Werror,-Wunused-but-set-variable]
        unsigned long x, sum;
                         ^
Upstream-Status: Pending
Signed-off-by: Khem Raj <raj.khem@gmail.com>
---
 perf_examples/self_smpl_multi.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/perf_examples/self_smpl_multi.c b/perf_examples/self_smpl_multi.c
index 391fa61..75b45e0 100644
--- a/perf_examples/self_smpl_multi.c
+++ b/perf_examples/self_smpl_multi.c
@@ -141,7 +141,7 @@ void
 do_cycles(void)
 {
 	struct timeval start, last, now;
-	unsigned long x, sum;
+	unsigned long x;
 
 	gettimeofday(&start, NULL);
 	last = start;
@@ -150,15 +150,12 @@ do_cycles(void)
 	iter[myid] = 0;
 
 	do {
-
-		sum = 1;
 		for (x = 1; x < 250000; x++) {
 			/* signal pending to private queue because of
 			 * pthread_kill(), i.e., tkill()
 			 */
 			if ((x % 5000) == 0)
 				pthread_kill(pthread_self(), SIGUSR1);
-			sum += x;
 		}
 		iter[myid]++;