Commit 29c158e8 authored Aug 23, 2011 by Heiko Carstens Committed by Thomas Gleixner Sep 08, 2011

nohz: Remove "Switched to NOHz mode" debugging messages

When performing cpu hotplug tests the kernel printk log buffer gets flooded
with pointless "Switched to NOHz mode..." messages. Especially when afterwards
analyzing a dump this might have removed more interesting stuff out of the
buffer.
Assuming that switching to NOHz mode simply works just remove the printk.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Link: http://lkml.kernel.org/r/20110823112046.GB2540@osiris.boeblingen.de.ibm.com

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

parent a25cac51

kernel/time/tick-sched.c

+1 −5

Original line number	Diff line number	Diff line
		@@ -669,8 +669,6 @@ static void tick_nohz_switch_to_nohz(void)
		next = ktime_add(next, tick_period);
		}
		local_irq_enable();

		printk(KERN_INFO "Switched to NOHz mode on CPU #%d\n", smp_processor_id());
		}

		/*
		@@ -822,10 +820,8 @@ void tick_setup_sched_timer(void)
		}

		#ifdef CONFIG_NO_HZ
		if (tick_nohz_enabled) {
		if (tick_nohz_enabled)
		ts->nohz_mode = NOHZ_MODE_HIGHRES;
		printk(KERN_INFO "Switched to NOHz mode on CPU #%d\n", smp_processor_id());
		}
		#endif
		}
		#endif /* HIGH_RES_TIMERS */