Le 08/10/2014 22:03, David Miller a écrit :
From: Christophe Leroy
Date: Tue, 7 Oct 2014 15:04:53 +0200 (CEST)
When using a MPC8xx as a router, 'perf' shows a significant time spent in
fs_enet_interrupt() and fs_enet_start_xmit().
'perf annotate' shows that the time spent in
From: Christophe Leroy
Date: Tue, 7 Oct 2014 15:04:53 +0200 (CEST)
> When using a MPC8xx as a router, 'perf' shows a significant time spent in
> fs_enet_interrupt() and fs_enet_start_xmit().
> 'perf annotate' shows that the time spent in fs_enet_start_xmit is indeed
> spent
> between
From: Christophe Leroy christophe.le...@c-s.fr
Date: Tue, 7 Oct 2014 15:04:53 +0200 (CEST)
When using a MPC8xx as a router, 'perf' shows a significant time spent in
fs_enet_interrupt() and fs_enet_start_xmit().
'perf annotate' shows that the time spent in fs_enet_start_xmit is indeed
spent
Le 08/10/2014 22:03, David Miller a écrit :
From: Christophe Leroy christophe.le...@c-s.fr
Date: Tue, 7 Oct 2014 15:04:53 +0200 (CEST)
When using a MPC8xx as a router, 'perf' shows a significant time spent in
fs_enet_interrupt() and fs_enet_start_xmit().
'perf annotate' shows that the time
When using a MPC8xx as a router, 'perf' shows a significant time spent in
fs_enet_interrupt() and fs_enet_start_xmit().
'perf annotate' shows that the time spent in fs_enet_start_xmit is indeed spent
between spin_unlock_irqrestore() and the following instruction, hence in
interrupt handling. This
When using a MPC8xx as a router, 'perf' shows a significant time spent in
fs_enet_interrupt() and fs_enet_start_xmit().
'perf annotate' shows that the time spent in fs_enet_start_xmit is indeed spent
between spin_unlock_irqrestore() and the following instruction, hence in
interrupt handling. This
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