[tip:,timers/core] clocksource: Print clocksource name when clocksource is tested unstable
Message ID | 167631411430.4906.12795499771072205782.tip-bot2@tip-bot2 |
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McKenney" <paulmck@kernel.org>, x86@kernel.org, linux-kernel@vger.kernel.org MIME-Version: 1.0 Message-ID: <167631411430.4906.12795499771072205782.tip-bot2@tip-bot2> Robot-ID: <tip-bot2@linutronix.de> Robot-Unsubscribe: Contact <mailto:tglx@linutronix.de> to get blacklisted from these emails Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-4.4 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED,SPF_HELO_NONE, SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: <linux-kernel.vger.kernel.org> X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1757743089042937387?= X-GMAIL-MSGID: =?utf-8?q?1757743089042937387?= |
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[tip:,timers/core] clocksource: Print clocksource name when clocksource is tested unstable
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Commit Message
tip-bot2 for Thomas Gleixner
Feb. 13, 2023, 6:48 p.m. UTC
The following commit has been merged into the timers/core branch of tip: Commit-ID: beaa1ffe551c330d8ea23de158432ecaad6c0410 Gitweb: https://git.kernel.org/tip/beaa1ffe551c330d8ea23de158432ecaad6c0410 Author: Yunying Sun <yunying.sun@intel.com> AuthorDate: Wed, 16 Nov 2022 16:22:21 +08:00 Committer: Paul E. McKenney <paulmck@kernel.org> CommitterDate: Tue, 03 Jan 2023 20:43:45 -08:00 clocksource: Print clocksource name when clocksource is tested unstable Some "TSC fall back to HPET" messages appear on systems having more than 2 NUMA nodes: clocksource: timekeeping watchdog on CPU168: hpet read-back delay of 4296200ns, attempt 4, marking unstable The "hpet" here is misleading the clocksource watchdog is really doing repeated reads of "hpet" in order to check for unrelated delays. Therefore, print the name of the clocksource under test, prefixed by "wd-" and suffixed by "-wd", for example, "wd-tsc-wd". Signed-off-by: Yunying Sun <yunying.sun@intel.com> Signed-off-by: Paul E. McKenney <paulmck@kernel.org> --- kernel/time/clocksource.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/kernel/time/clocksource.c b/kernel/time/clocksource.c index 9cf32cc..4a2c3bb 100644 --- a/kernel/time/clocksource.c +++ b/kernel/time/clocksource.c @@ -257,8 +257,8 @@ static enum wd_read_status cs_watchdog_read(struct clocksource *cs, u64 *csnow, goto skip_test; } - pr_warn("timekeeping watchdog on CPU%d: %s read-back delay of %lldns, attempt %d, marking unstable\n", - smp_processor_id(), watchdog->name, wd_delay, nretries); + pr_warn("timekeeping watchdog on CPU%d: wd-%s-wd read-back delay of %lldns, attempt %d, marking unstable\n", + smp_processor_id(), cs->name, wd_delay, nretries); return WD_READ_UNSTABLE; skip_test: