Kernel

[RFC][PATCH v6 01/19] Add a new structure for skb buffer from external.
From: Xin Xiaohui <xiaohui.xin(a)intel.com> Signed-off-by: Xin Xiaohui <xiaohui.xin(a)intel.com> Signed-off-by: Zhao Yu <yzhao81new(a)gmail.com> Reviewed-by: Jeff Dike <jdike(a)linux.intel.com> --- include/linux/skbuff.h | 12 ++++++++++++ 1 files changed, 12 insertions(+), 0 deletions(-) diff --git a/include/lin... 21 May 2010 06:13

[RFC][PATCH v6 10/19] Don't do skb recycle, if device use external buffer.
From: Xin Xiaohui <xiaohui.xin(a)intel.com> Signed-off-by: Xin Xiaohui <xiaohui.xin(a)intel.com> Signed-off-by: Zhao Yu <yzhao81new(a)gmail.com> Reviewed-by: Jeff Dike <jdike(a)linux.intel.com> --- net/core/skbuff.c | 6 ++++++ 1 files changed, 6 insertions(+), 0 deletions(-) diff --git a/net/core/skbuff.c b/net... 21 May 2010 06:13

[PATCH 00/10] perf tracepoint and output optimizations
A number of patches that reworks the perf-tracepoint infrastructure and optimizes some of the generic perf output paths. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo(a)vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info... 21 May 2010 06:13

[PATCH 07/10] perf: Optimize perf_output_copy
Reduce the clutter in perf_output_copy() by keeping an interator in perf_output_handle. Signed-off-by: Peter Zijlstra <a.p.zijlstra(a)chello.nl> --- include/linux/perf_event.h | 3 ++ kernel/perf_event.c | 54 +++++++++++++++++++++------------------------ 2 files changed, 29 insertions(+), 28 deletio... 21 May 2010 06:13

[PATCH 04/10] perf-record: Remove -M
Since it is not allowed to create cross-cpu (or cross-task) buffers, this option is no longer valid. Signed-off-by: Peter Zijlstra <a.p.zijlstra(a)chello.nl> --- tools/perf/builtin-record.c | 36 ++++++++++++------------------------ 1 file changed, 12 insertions(+), 24 deletions(-) Index: linux-2.6/tools/per... 21 May 2010 06:13

[PATCH 05/10] perf-record: Share per-cpu buffers
It seems a waste of space to create a buffer per event, share it per-cpu. Signed-off-by: Peter Zijlstra <a.p.zijlstra(a)chello.nl> --- tools/perf/builtin-record.c | 52 +++++++++++++++++++++++--------------------- 1 file changed, 28 insertions(+), 24 deletions(-) Index: linux-2.6/tools/perf/builtin-record.c ... 21 May 2010 06:13

[PATCH 06/10] perf: Fix wakeup storm for RO mmap()s
RO mmap()s don't update the tail pointer, so comparing against it for determining the written data size doesn't really do any good. Keep track of when we last did a wakeup, and compare against that. Signed-off-by: Peter Zijlstra <a.p.zijlstra(a)chello.nl> --- include/linux/perf_event.h | 2 +- kernel/perf_e... 21 May 2010 06:13

[PATCH 09/10] perf: Remove more fastpath code
Sanity checks cost instructions Signed-off-by: Peter Zijlstra <a.p.zijlstra(a)chello.nl> --- include/linux/perf_event.h | 2 -- kernel/perf_event.c | 20 ++++---------------- 2 files changed, 4 insertions(+), 18 deletions(-) Index: linux-2.6/include/linux/perf_event.h =============================... 21 May 2010 06:13

[PATCH] [WATCHDOG] bfin: use new common Blackfin watchdog header
On Fri, May 21, 2010 at 04:49, Wim Van Sebroeck wrote: Signed-off-by: Mike Frysinger <vapier(a)gentoo.org> --- Andrew: could you pick this up ?  it was posted a few months ago ... This is allready in the linux-2.6-watchdog tree. I'm reviewing a last driver and will then sent a pull request to Linus. ... 21 May 2010 05:09

[PATCH 0/4] io-controller: Add new interfaces to trace backlogged group status
Hi, This series implements three new interfaces to keep track of tranferred bytes, elapsing time and io rate since group getting backlogged. If the group dequeues from service tree, these three interfaces will reset and shows zero. Thanks Gui -- To unsubscribe from this list: send the line "unsubscribe linux... 21 May 2010 05:09