This is the updates to the patch previously posted by Maynard Johnson as
"PATCH 3/4 Add support to OProfile for profiling CELL". All concerns
have been addressed. The only open issue is the movement of the
notify_active flag to sched_flag in a future patch by Christoph
Hellwig's for SPU schedulin
This patch makes all the changes suggested by Christopher, with the
exception of the suggestion to use the sched_flags field versus a new
member to the spu_context struct to signal the need to "notify already
active". I don't have the sched_flags change in my 2.6.20-rc1 tree. I
can send anoth
On Wed, Jan 17, 2007 at 09:56:12AM -0600, Maynard Johnson wrote:
> I haven't seen that the scheduler patch series got applied yet. This
> Cell spu task notification patch is a pre-req for OProfile development
> to support profiling SPUs. When the scheduler patch gets applied to a
> kernel ver
Christoph Hellwig wrote:
Index: linux-2.6.19-rc6-arnd1+patches/arch/powerpc/platforms/cell/spufs/sched.c
===
---
linux-2.6.19-rc6-arnd1+patches.orig/arch/powerpc/platforms/cell/spufs/sched.c
2006-12-04 10:56:04.730698720 -06
Index: linux-2.6.19-rc6-arnd1+patches/arch/powerpc/platforms/cell/spufs/sched.c
===
---
linux-2.6.19-rc6-arnd1+patches.orig/arch/powerpc/platforms/cell/spufs/sched.c
2006-12-04 10:56:04.730698720 -0600
+++ linux-2.6.19-rc6-arnd
Attached is an updated patch that addresses Michael Ellerman's comments.
One comment made by Michael has not yet been addressed:
The comment was in regard to the for-loop in
spufs/sched.c:notify_spus_active(). He wondered if the scheduler can
swap a context from one node to another. If so, th
Michael,
Thanks for your comments! My responses are below.
-Maynard
Michael Ellerman wrote:
Subject: Enable SPU switch notification to detect currently active SPU tasks.
From: Maynard Johnson <[EMAIL PROTECTED]>
This patch adds to the capability of spu_switch_event_register so that the
call
> Subject: Enable SPU switch notification to detect currently active SPU tasks.
>
> From: Maynard Johnson <[EMAIL PROTECTED]>
>
> This patch adds to the capability of spu_switch_event_register so that the
> caller is also notified of currently active SPU tasks. It also exports
> spu_switch_event
Subject: Enable SPU switch notification to detect currently active SPU tasks.
From: Maynard Johnson <[EMAIL PROTECTED]>
This patch adds to the capability of spu_switch_event_register so that the
caller is also notified of currently active SPU tasks. It also exports
spu_switch_event_register an
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