Re: [PATCH 0/4] Add some trace events for the page allocator v4

From: Mel Gorman
Date: Thu Aug 06 2009 - 12:10:18 EST


On Thu, Aug 06, 2009 at 05:07:01PM +0100, Mel Gorman wrote:
> This is V4 of a patchset to add some trace points for the page allocator. The
> largest changes in this version is performance improvements and expansion
> of the post-processing script as well as some documentation. There were minor changes
> elsewhere that are described in the changelog.
>

Cack, the subject should be 0/6 of course, not 0/4

> <SNIP>
>
> Documentation/trace/events-kmem.txt | 107 ++++++
> .../postprocess/trace-pagealloc-postprocess.pl | 356 ++++++++++++++++++++
> Documentation/trace/tracepoint-analysis.txt | 327 ++++++++++++++++++
> include/trace/events/kmem.h | 177 ++++++++++
> mm/page_alloc.c | 16 +-
> 5 files changed, 982 insertions(+), 1 deletions(-)
> create mode 100644 Documentation/trace/events-kmem.txt
> create mode 100755 Documentation/trace/postprocess/trace-pagealloc-postprocess.pl
> create mode 100644 Documentation/trace/tracepoint-analysis.txt
>
> Mel Gorman (6):
> tracing, page-allocator: Add trace events for page allocation and
> page freeing
> tracing, page-allocator: Add trace events for anti-fragmentation
> falling back to other migratetypes
> tracing, page-allocator: Add trace event for page traffic related to
> the buddy lists
> tracing, page-allocator: Add a postprocessing script for
> page-allocator-related ftrace events
> tracing, documentation: Add a document describing how to do some
> performance analysis with tracepoints
> tracing, documentation: Add a document on the kmem tracepoints
>

Similarly, I should have stripped this junk away before tending. The
real diffstat is below. Sorry

> Documentation/trace/events-kmem.txt | 107 ++++++
> .../postprocess/trace-pagealloc-postprocess.pl | 356 ++++++++++++++++++++
> Documentation/trace/tracepoint-analysis.txt | 327 ++++++++++++++++++
> include/trace/events/kmem.h | 177 ++++++++++
> mm/page_alloc.c | 15 +-
> 5 files changed, 981 insertions(+), 1 deletions(-)
> create mode 100644 Documentation/trace/events-kmem.txt
> create mode 100755 Documentation/trace/postprocess/trace-pagealloc-postprocess.pl
> create mode 100644 Documentation/trace/tracepoint-analysis.txt
>

--
Mel Gorman
Part-time Phd Student Linux Technology Center
University of Limerick IBM Dublin Software Lab
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