| commit | 0b0d9cf6ec7bab91977da2d71c09157f110f7c2e | [log] [tgz] |
|---|---|---|
| author | Arun Sharma <asharma@fb.com> | Fri Apr 20 15:41:34 2012 -0700 |
| committer | Ingo Molnar <mingo@kernel.org> | Wed Jun 06 17:08:00 2012 +0200 |
| tree | c70689cc98aab1500585886bf71a993b21cc6046 | |
| parent | 302fa4b58ac754a6da13f4f5546f710fecc3b945 [diff] |
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>