<div>a profiling run didn't show any hot spots.</div><div><br></div><div>Here is the top of the list:</div><div><br></div><div>+ 2.81% pacat [kernel.kallsyms] [k] read_hpet ▒</div>
<div>+ 1.75% pulseaudio [kernel.kallsyms] [k] read_hpet </div><div>+ 1.75% swapper [kernel.kallsyms] [k] acpi_safe_halt </div>
<div>+ 1.22% pulseaudio [kernel.kallsyms] [k] do_sys_poll </div><div>+ 0.93% pulseaudio [kernel.kallsyms] [k] do_raw_spin_lock </div>
<div>+ 0.80% swapper [kernel.kallsyms] [k] poll_idle ▒</div><div>+ 0.76% pulseaudio [kernel.kallsyms] [k] fget_light ▒</div>
<div>+ 0.67% pulseaudio [kernel.kallsyms] [k] sysenter_past_esp </div><div>+ 0.59% swapper [kernel.kallsyms] [k] menu_select </div>
<div>+ 0.53% pulseaudio [kernel.kallsyms] [k] do_raw_spin_unlock </div><div>+ 0.51% swapper [kernel.kallsyms] [k] hpet_legacy_next_event </div>
<div>+ 0.48% pulseaudio <a href="http://libpulsecommon-UNKNOWN.UNKNOWN.so">libpulsecommon-UNKNOWN.UNKNOWN.so</a> [.] do_something</div><div>...</div><br><div class="gmail_quote">On Mon, Oct 24, 2011 at 11:56 PM, Maarten Bosmans <span dir="ltr"><<a href="mailto:mkbosmans@gmail.com">mkbosmans@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">2011/10/25 Dylan Reid <<a href="mailto:dgreid@chromium.org">dgreid@chromium.org</a>>:<br>
<div class="im">> I'm playing audio with a latency of 10ms. This is working pretty well, but<br>
> it is eating a lot of CPU<br>
<br>
</div>Is it just due to the constant waking up and cocntext switching, or do<br>
some other functions light up on a profile run?<br>
<br>
Maarten<br>
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</blockquote></div><br>