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From: Chris Brannon <cmbrannon@cox.net>
To: "Speakup is a screen review system for Linux." <speakup@braille.uwo.ca>
Subject: Re: CPU issues with Speakup
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Date: Fri, 29 May 2009 11:12:39 -0500
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I am attaching the output from an execution of "powertop -d" on my
system.  During this run, espeakup had an average of 1669.1 wakeups / second.

Regards,
-- Chris


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PowerTOP 1.11   (C) 2007, 2008 Intel Corporation 

Collecting data for 15 seconds 


< Detailed C-state information is not available.>
P-states (frequencies)
Wakeups-from-idle per second : 2075.9	interval: 15.0s
no ACPI power usage estimate available
Top causes for wakeups:
  80.4% (1669.1)          espeakup : hrtimer_start_range_ns (hrtimer_wakeup) 
  14.9% (309.2)       <interrupt> : VIA8237 
   2.5% ( 51.1)       <interrupt> : ra0 
   1.3% ( 26.3)     <kernel core> : hrtimer_start_range_ns (tick_sched_timer) 
   0.4% (  8.0)   <kernel module> : usb_hcd_poll_rh_status (rh_timer_func) 
   0.2% (  3.3)       <interrupt> : PS/2 keyboard/mouse/touchpad 
   0.1% (  2.0)     <kernel core> : clocksource_register (clocksource_watchdog) 
   0.1% (  1.5)             emacs : synth_printf (thread_wake_up) 
   0.0% (  1.0)            dhcpcd : MlmeInit (MlmePeriodicExec) 
   0.0% (  0.3)     <kernel core> : neigh_table_init_no_netlink (neigh_periodic_timer) 
   0.0% (  0.3)   <kernel module> : neigh_table_init_no_netlink (neigh_periodic_timer) 
   0.0% (  0.2)       <interrupt> : sata_via 
   0.0% (  0.2)              init : hrtimer_start_range_ns (hrtimer_wakeup) 
   0.0% (  0.2)     <kernel core> : page_writeback_init (wb_timer_fn) 
   0.0% (  0.1)             kinit : start_this_handle (commit_timeout) 
   0.0% (  0.1)          events/0 : queue_delayed_work (delayed_work_timer_fn) 
   0.0% (  0.1)               mpd : announce_edge (kd_nosound) 
   0.0% (  0.1)     <kernel core> : announce_edge (kd_nosound) 


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