From: Sinan Kaya <okaya@kernel.org>
To: linux-kernel@vger.kernel.org
Cc: Sinan Kaya <okaya@kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
Don Zickus <dzickus@redhat.com>, Ingo Molnar <mingo@kernel.org>,
Philippe Ombredanne <pombredanne@nexb.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Colin Ian King <colin.king@canonical.com>,
Peter Zijlstra <peterz@infradead.org>
Subject: [PATCH] watchdog: Reduce message verbosity
Date: Mon, 30 Jul 2018 12:09:47 -0700 [thread overview]
Message-ID: <20180730190949.141996-1-okaya@kernel.org> (raw)
Reducing the verbosity level to debug for people that are interested in
debugging watchdog issues.
[ 0.152492] NMI watchdog: Perf event create on CPU 0 failed with -2
[ 0.156002] NMI watchdog: Perf NMI watchdog permanently disabled
Signed-off-by: Sinan Kaya <okaya@kernel.org>
---
kernel/watchdog_hld.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/kernel/watchdog_hld.c b/kernel/watchdog_hld.c
index e449a23e9d59..1f7020d65d0a 100644
--- a/kernel/watchdog_hld.c
+++ b/kernel/watchdog_hld.c
@@ -175,8 +175,8 @@ static int hardlockup_detector_event_create(void)
evt = perf_event_create_kernel_counter(wd_attr, cpu, NULL,
watchdog_overflow_callback, NULL);
if (IS_ERR(evt)) {
- pr_info("Perf event create on CPU %d failed with %ld\n", cpu,
- PTR_ERR(evt));
+ pr_debug("Perf event create on CPU %d failed with %ld\n", cpu,
+ PTR_ERR(evt));
return PTR_ERR(evt);
}
this_cpu_write(watchdog_ev, evt);
--
2.17.1
next reply other threads:[~2018-07-30 19:09 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-07-30 19:09 Sinan Kaya [this message]
2018-07-30 19:28 ` [PATCH] watchdog: Reduce message verbosity Don Zickus
2018-07-30 19:43 ` Sinan Kaya
2018-08-01 15:59 ` Don Zickus
2018-08-02 12:18 ` Thomas Gleixner
2018-08-02 14:44 ` Sinan Kaya
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20180730190949.141996-1-okaya@kernel.org \
--to=okaya@kernel.org \
--cc=colin.king@canonical.com \
--cc=dzickus@redhat.com \
--cc=gregkh@linuxfoundation.org \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@kernel.org \
--cc=peterz@infradead.org \
--cc=pombredanne@nexb.com \
--cc=tglx@linutronix.de \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).