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| author | Jan Beulich <jbeulich@novell.com> | 2006-12-07 02:14:13 +0100 |
|---|---|---|
| committer | Andi Kleen <andi@basil.nowhere.org> | 2006-12-07 02:14:13 +0100 |
| commit | 6d0185ea611276fdf81991d7774d396bdc1ae392 (patch) | |
| tree | cfbea72e9df3816a63ba6debd3e591d89b2c63e1 /Documentation | |
| parent | 3807fd46e94ab9f09e5ee3bff5e6515a94e9b3c7 (diff) | |
| download | kernel_samsung_smdk4412-6d0185ea611276fdf81991d7774d396bdc1ae392.zip kernel_samsung_smdk4412-6d0185ea611276fdf81991d7774d396bdc1ae392.tar.gz kernel_samsung_smdk4412-6d0185ea611276fdf81991d7774d396bdc1ae392.tar.bz2 | |
[PATCH] unwinder: Add debugging output to the Dwarf2 unwinder
Add debugging printks to the unwinder to allow easier debugging
when something goes wrong with it.
This can be controlled with the new unwinder_debug=N option
Most output is given by N=1
AK: Added documentation of unwinder_debug=
Signed-off-by: Jan Beulich <jbeulich@novell.com>
Signed-off-by: Andi Kleen <ak@suse.de>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/kernel-parameters.txt | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 4e90aa4..d34fd6a 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -1735,6 +1735,9 @@ and is between 256 and 4096 characters. It is defined in the file norandmaps Don't use address space randomization Equivalent to echo 0 > /proc/sys/kernel/randomize_va_space + unwind_debug=N N > 0 will enable dwarf2 unwinder debugging + This is useful to get more information why + you got a "dwarf2 unwinder stuck" ______________________________________________________________________ |