Messages in this thread | | | Date | Thu, 12 Mar 2009 06:47:21 -0400 | From | Neil Horman <> | Subject | Re: [PATCH 0/4] [GIT PULL] memory saving ring buffer for tip/tracing/ftrace |
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On Thu, Mar 12, 2009 at 08:07:58AM +0100, Pierre Ossman wrote: > On Wed, 11 Mar 2009 22:37:20 -0400 > Steven Rostedt <rostedt@goodmis.org> wrote: > > > Ingo, > > > > This patch series implements a better memory management by the > > ring buffer. It only allocates the buffers for the online CPUS, as well > > as keeps the buffers to a minimum size until they are used. > > > > Please pull the latest tip/tracing/ftrace tree, which can be found at: > > > > git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-2.6-trace.git > > tip/tracing/ftrace > > > > > > Steven Rostedt (4): > > tracing: keep ring buffer to minimum size till used > > tracing: expand the ring buffers when an event is activated > > tracing: fix trace_wait to know to wait on all cpus or just one > > ring-buffer: only allocate buffers for online cpus > > > > How difficult is it to apply this to 2.6.27? Fedora is still on that > kernel and it would be nice if I could get my memory back on a > distribution kernel. :)
I'm looking into it currently. I'll post a test kernel when I have something for you. Neil
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