linux-kernel - [PATCH] proc: only export statistics of softirqs for online cpus

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Message-Id: <1547119441-28314-1-git-send-email-tan.hu@zte.com.cn>
Date:   Thu, 10 Jan 2019 19:24:01 +0800
From:   Tan Hu <tan.hu@....com.cn>
To:     adobriyan@...il.com
Cc:     zhong.weidong@....com.cn, linux-kernel@...r.kernel.org,
        linux-fsdevel@...r.kernel.org
Subject: [PATCH] proc: only export statistics of softirqs for online cpus

Only export statistics of softirqs for online cpus like
/proc/interrupts, it would be more clearly.

Signed-off-by: Tan Hu <tan.hu@....com.cn>
---
 fs/proc/softirqs.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/proc/softirqs.c b/fs/proc/softirqs.c
index 12901dc..b7e6a0f 100644
--- a/fs/proc/softirqs.c
+++ b/fs/proc/softirqs.c
@@ -12,13 +12,13 @@ static int show_softirqs(struct seq_file *p, void *v)
 	int i, j;
 
 	seq_puts(p, "                    ");
-	for_each_possible_cpu(i)
+	for_each_online_cpu(i)
 		seq_printf(p, "CPU%-8d", i);
 	seq_putc(p, '\n');
 
 	for (i = 0; i < NR_SOFTIRQS; i++) {
 		seq_printf(p, "%12s:", softirq_to_name[i]);
-		for_each_possible_cpu(j)
+		for_each_online_cpu(j)
 			seq_printf(p, " %10u", kstat_softirqs_cpu(i, j));
 		seq_putc(p, '\n');
 	}
-- 
1.8.3.1