Re: [PATCH 01/13] OMAP3: PM: Update clean_l2 to use v7_flush_dcache_all

2010-11-19 Thread Jean Pihet
On Fri, Nov 19, 2010 at 2:54 AM, Nishanth Menon n...@ti.com wrote: From: Richard Woodruff r-woodru...@ti.com Analysis in TI kernel with ETM showed that using cache mapped flush in kernel instead of SO mapped flush cost drops by 65% (3.39mS down to 1.17mS) for clean_l2 which is used during

Re: [PATCH 01/13] OMAP3: PM: Update clean_l2 to use v7_flush_dcache_all

2010-11-19 Thread Peter 'p2' De Schrijver
On Fri, Nov 19, 2010 at 10:46:19AM +0100, ext Jean Pihet wrote: On Fri, Nov 19, 2010 at 2:54 AM, Nishanth Menon n...@ti.com wrote: From: Richard Woodruff r-woodru...@ti.com Analysis in TI kernel with ETM showed that using cache mapped flush in kernel instead of SO mapped flush cost drops

Re: [PATCH 01/13] OMAP3: PM: Update clean_l2 to use v7_flush_dcache_all

2010-11-19 Thread Jean Pihet
Hi Peter, On Fri, Nov 19, 2010 at 10:57 AM, Peter 'p2' De Schrijver peter.de-schrij...@nokia.com wrote: On Fri, Nov 19, 2010 at 10:46:19AM +0100, ext Jean Pihet wrote: On Fri, Nov 19, 2010 at 2:54 AM, Nishanth Menon n...@ti.com wrote: From: Richard Woodruff r-woodru...@ti.com Analysis in

[PATCH 01/13] OMAP3: PM: Update clean_l2 to use v7_flush_dcache_all

2010-11-18 Thread Nishanth Menon
From: Richard Woodruff r-woodru...@ti.com Analysis in TI kernel with ETM showed that using cache mapped flush in kernel instead of SO mapped flush cost drops by 65% (3.39mS down to 1.17mS) for clean_l2 which is used during sleep sequences. Overall: - speed up - unfortunately there