Thread (5 messages) 5 messages, 3 authors, 2011-01-10

[PATCH 2/3] perf: add OMAP support for the new power events

From: paul@pwsan.com (Paul Walmsley)
Date: 2011-01-10 19:06:16
Also in: linux-omap, linux-perf-users, lkml

Possibly related (same subject, not in this thread)

Hello Jean,

On Wed, 5 Jan 2011, Jean Pihet wrote:
On Tue, Jan 4, 2011 at 7:48 PM, Paul Walmsley [off-list ref] wrote:
quoted
If the latter, then it might make sense to put these
trace points into the functions that actually change the hardware
registers, e.g., omap2_dflt_clk_{enable,disable}(), etc., since a
clk_enable() on a leaf clock may result in many internal system clocks
being enabled up the clock tree.
I agree with you it is better to track the actual clock changes instead.
I propose to move the tracepoints to omap2_clk_{enable...} which
enables all the clocks irrespectively of the installed handler.
Yes, that is a better place.
Note about the clock handlers: omap2_dflt_clk_enable happens to be the
handler for all controllable clocks but could that change in the
future?
Yes, it certainly could.


- Paul
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