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authorAndi Kleen <ak@suse.de>2006-07-28 14:44:54 +0200
committerLinus Torvalds <torvalds@g5.osdl.org>2006-07-28 19:28:00 -0700
commitb783fd925cdd56d24d164e5bdcb072f2a67aedf4 (patch)
treee2585d3a2f560eb5a313c92d0cd91df92358b1b6 /Documentation
parentb13761ecd1d9977d2083da243e051e9f29097aef (diff)
[PATCH] x86_64: Document backtracer selection options
Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/x86_64/boot-options.txt7
1 files changed, 7 insertions, 0 deletions
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