On Fri, Jun 06, 2008 at 06:30:34PM -0700, Tony Lindgren wrote: > From: Richard Woodruff <r-woodruff2@xxxxxx> > > This patch optimizes the timer load and start sequence. By combining the > load and start a needless posted wait can be removed from the system timer > execution path. > > * Before patch register writes are taking up .078% @ 500MHz during idle. > > Address |total |min |max |avr |count|ratio% > old\process\default_idle|7.369s |0.0us|999.902ms|14.477ms|509. |62.661% > ld\Global\cpu_v7_do_idle|4.265s |0.0us|375.786ms|24.374ms|175. |36.270% > (UNKNOWN)|17.503ms|0.us|531.080us|5.119us|3419. |0.148% > r\omap_dm_timer_set_load|8.135ms|0.0us|79.887us|15.065us|540. |0.069% <-- > \vmlinux-old\Global\_end|2.023ms|0.0us|4.000us|0.560us|3613. |0.017% > -old\Global\__raw_readsw|1.962ms|0.0us|108.610us|9.167us|214. |0.016% > old\smc91x\smc_interrupt|1.353ms|0.0us|10.212us|2.348us|576. |0.011% > s/namei\__link_path_walk|1.161ms|0.0us|4.310us|0.762us| 1524. |0.009% > \omap_dm_timer_write_reg|1.085ms|0.0us|126.150us|2.153us|504. |0.009% <-- > > * After patch timer functions do not show up in top listings for long captures. Ok. Not for -rc. -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
