tree c70689cc98aab1500585886bf71a993b21cc6046
parent 302fa4b58ac754a6da13f4f5546f710fecc3b945
author Arun Sharma <asharma@fb.com> 1334961694 -0700
committer Ingo Molnar <mingo@kernel.org> 1338995280 +0200

perf: Limit callchains to 127

Stack depth of 255 seems excessive, given that copy_from_user_nmi()
could be slow.

Signed-off-by: Arun Sharma <asharma@fb.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1334961696-19580-3-git-send-email-asharma@fb.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>