From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ@public.gmane.org Subject: [Bug 76732] Kworker using 100% CPU Date: Fri, 28 Mar 2014 18:00:27 +0000 Message-ID: References: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============0051036380==" Return-path: In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: nouveau-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org Sender: "Nouveau" To: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org List-Id: nouveau.vger.kernel.org --===============0051036380== Content-Type: multipart/alternative; boundary="1396029627.0b51c1.25143"; charset="us-ascii" --1396029627.0b51c1.25143 Date: Fri, 28 Mar 2014 18:00:27 +0000 MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" https://bugs.freedesktop.org/show_bug.cgi?id=76732 --- Comment #16 from patrick.clara-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org --- Samples: 121K of event 'cycles', Event count (approx.): 71741963089 + 64.62% kworker/1:1 [kernel.kallsyms] [k] ioread32 + 18.47% kworker/1:1 [kernel.kallsyms] [k] native_read_tsc + 13.71% kworker/1:1 [kernel.kallsyms] [k] delay_tsc + 2.31% swapper [kernel.kallsyms] [k] ioread32 + 0.37% swapper [kernel.kallsyms] [k] intel_idle + 0.05% kworker/1:1 [nouveau] [k] nv94_aux + 0.02% swapper [kernel.kallsyms] [k] cpuidle_enter_state + 0.02% swapper [kernel.kallsyms] [k] irq_entries_start + 0.02% swapper [kernel.kallsyms] [k] _raw_spin_lock + 0.01% kworker/1:1 [kernel.kallsyms] [k] __const_udelay + 0.01% swapper [nouveau] [k] nve0_gpio_intr + 0.01% swapper [kernel.kallsyms] [k] menu_select + 0.01% swapper [kernel.kallsyms] [k] rcu_eqs_enter_common.isra.48 + 0.01% swapper [kernel.kallsyms] [k] ktime_get + 0.01% kworker/1:1 [nouveau] [k] dcb_gpio_table + 0.01% kworker/1:1 [nouveau] [k] dcb_table + 0.01% kworker/1:1 [kernel.kallsyms] [k] iowrite32 + 0.01% kworker/1:1 [i2c_algo_bit] [k] i2c_outb.isra.0 + 0.01% kworker/1:1 [nouveau] [k] nouveau_i2c_setscl + 0.01% swapper [kernel.kallsyms] [k] queue_work_on + 0.01% swapper [kernel.kallsyms] [k] native_write_msr_safe + 0.01% swapper [kernel.kallsyms] [k] cpu_startup_entry + 0.00% kworker/1:1 [nouveau] [k] nv_printk_ + 0.00% kworker/1:1 [kernel.kallsyms] [k] native_write_msr_safe + 0.00% kworker/1:1 [nouveau] [k] nouveau_bios_rd08 + 0.00% kworker/1:1 [kernel.kallsyms] [k] __udelay -- You are receiving this mail because: You are the assignee for the bug. --1396029627.0b51c1.25143 Date: Fri, 28 Mar 2014 18:00:27 +0000 MIME-Version: 1.0 Content-Type: text/html; charset="UTF-8"

Comment # 16 on bug 76732 from 
Samples: 121K of event 'cycles', Event count (approx.): 71741963089
+  64.62%      kworker/1:1  [kernel.kallsyms]        [k] ioread32
+  18.47%      kworker/1:1  [kernel.kallsyms]        [k] native_read_tsc
+  13.71%      kworker/1:1  [kernel.kallsyms]        [k] delay_tsc
+   2.31%          swapper  [kernel.kallsyms]        [k] ioread32
+   0.37%          swapper  [kernel.kallsyms]        [k] intel_idle
+   0.05%      kworker/1:1  [nouveau]                [k] nv94_aux
+   0.02%          swapper  [kernel.kallsyms]        [k] cpuidle_enter_state
+   0.02%          swapper  [kernel.kallsyms]        [k] irq_entries_start
+   0.02%          swapper  [kernel.kallsyms]        [k] _raw_spin_lock
+   0.01%      kworker/1:1  [kernel.kallsyms]        [k] __const_udelay
+   0.01%          swapper  [nouveau]                [k] nve0_gpio_intr
+   0.01%          swapper  [kernel.kallsyms]        [k] menu_select
+   0.01%          swapper  [kernel.kallsyms]        [k]
rcu_eqs_enter_common.isra.48
+   0.01%          swapper  [kernel.kallsyms]        [k] ktime_get
+   0.01%      kworker/1:1  [nouveau]                [k] dcb_gpio_table
+   0.01%      kworker/1:1  [nouveau]                [k] dcb_table
+   0.01%      kworker/1:1  [kernel.kallsyms]        [k] iowrite32
+   0.01%      kworker/1:1  [i2c_algo_bit]           [k] i2c_outb.isra.0
+   0.01%      kworker/1:1  [nouveau]                [k] nouveau_i2c_setscl
+   0.01%          swapper  [kernel.kallsyms]        [k] queue_work_on
+   0.01%          swapper  [kernel.kallsyms]        [k] native_write_msr_safe
+   0.01%          swapper  [kernel.kallsyms]        [k] cpu_startup_entry
+   0.00%      kworker/1:1  [nouveau]                [k] nv_printk_
+   0.00%      kworker/1:1  [kernel.kallsyms]        [k] native_write_msr_safe
+   0.00%      kworker/1:1  [nouveau]                [k] nouveau_bios_rd08
+   0.00%      kworker/1:1  [kernel.kallsyms]        [k] __udelay

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