From b783fd925cdd56d24d164e5bdcb072f2a67aedf4 Mon Sep 17 00:00:00 2001 From: Andi Kleen Date: Fri, 28 Jul 2006 14:44:54 +0200 Subject: [PATCH] [PATCH] x86_64: Document backtracer selection options Signed-off-by: Andi Kleen Signed-off-by: Linus Torvalds --- Documentation/x86_64/boot-options.txt | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/Documentation/x86_64/boot-options.txt b/Documentation/x86_64/boot-options.txt index 6887d44d266..6da24e7a56c 100644 --- a/Documentation/x86_64/boot-options.txt +++ b/Documentation/x86_64/boot-options.txt @@ -238,6 +238,13 @@ Debugging pagefaulttrace Dump all page faults. Only useful for extreme debugging and will create a lot of output. + call_trace=[old|both|newfallback|new] + old: use old inexact backtracer + new: use new exact dwarf2 unwinder + both: print entries from both + newfallback: use new unwinder but fall back to old if it gets + stuck (default) + Misc noreplacement Don't replace instructions with more appropriate ones -- 2.20.1