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authorMasami Hiramatsu <mhiramat@redhat.com>2009-09-14 22:49:37 +0200
committerFrederic Weisbecker <fweisbec@gmail.com>2009-09-17 04:04:01 +0200
commit5a0d9050db4d1147722b42afef9011251b2651ee (patch)
tree1d3b3e080d4b3d1bf34d0a551ee3c06be0852331 /fs/eventpoll.c
parenttracing/kprobes: Fix profiling alignment for perf_counter buffer (diff)
downloadlinux-5a0d9050db4d1147722b42afef9011251b2651ee.tar.xz
linux-5a0d9050db4d1147722b42afef9011251b2651ee.zip
tracing/kprobes: Disable kprobe events by default after creation
Disable newly created kprobe events by default, not to disturb another user using ftrace. "Disturb" means when someone is using ftrace and another user tries to use perf-tools, (in near future) if he defines new kprobe event via perf-tools, then new events will mess up the frace buffer. Fix this to allow proper and transparent kprobes events concurrent usage between ftrace users and perf users. Signed-off-by: Masami Hiramatsu <mhiramat@redhat.com> Acked-by: Steven Rostedt <rostedt@goodmis.org> Cc: Jim Keniston <jkenisto@us.ibm.com> Cc: Ananth N Mavinakayanahalli <ananth@in.ibm.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Christoph Hellwig <hch@infradead.org> Cc: Frank Ch. Eigler <fche@redhat.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Jason Baron <jbaron@redhat.com> Cc: K.Prasad <prasad@linux.vnet.ibm.com> Cc: Lai Jiangshan <laijs@cn.fujitsu.com> Cc: Li Zefan <lizf@cn.fujitsu.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Srikar Dronamraju <srikar@linux.vnet.ibm.com> Cc: Tom Zanussi <tzanussi@gmail.com> LKML-Reference: <20090914204937.18779.59422.stgit@dhcp-100-2-132.bos.redhat.com> Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Diffstat (limited to 'fs/eventpoll.c')
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