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| author | Matthias Urlichs <smurf@smurf.noris.de> | 2006-10-11 01:21:57 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-10-11 11:14:22 -0700 |
| commit | cd0810410beb86c570aeb3dcd3dc1fc5ab9e6077 (patch) | |
| tree | 4a2dcbf9b0e66a9aef69a94bf0d6ce8c7fe1fee8 /Documentation/sysctl | |
| parent | 01a3ee2b203e511e20f98b85a9172fd32c53e87c (diff) | |
| download | lwn-cd0810410beb86c570aeb3dcd3dc1fc5ab9e6077.tar.gz lwn-cd0810410beb86c570aeb3dcd3dc1fc5ab9e6077.zip | |
[PATCH] document the core-dump-to-a-pipe patch
The pipe-a-coredump-to-a-program feature was undocumented.
*Grumble*.
NB: a good enhancement to that patch would be: save all the stuff that a
core file can get from the %x expansions in the environment.
Signed-off-by: Matthias Urlichs <matthias@urlichs.de>
Cc: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'Documentation/sysctl')
| -rw-r--r-- | Documentation/sysctl/kernel.txt | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/Documentation/sysctl/kernel.txt b/Documentation/sysctl/kernel.txt index 89bf8c20a586..0bc7f1e3c9e6 100644 --- a/Documentation/sysctl/kernel.txt +++ b/Documentation/sysctl/kernel.txt @@ -86,7 +86,7 @@ valid for 30 seconds. core_pattern: core_pattern is used to specify a core dumpfile pattern name. -. max length 64 characters; default value is "core" +. max length 128 characters; default value is "core" . core_pattern is used as a pattern template for the output filename; certain string patterns (beginning with '%') are substituted with their actual values. @@ -105,6 +105,9 @@ core_pattern is used to specify a core dumpfile pattern name. %h hostname %e executable filename %<OTHER> both are dropped +. If the first character of the pattern is a '|', the kernel will treat + the rest of the pattern as a command to run. The core dump will be + written to the standard input of that program instead of to a file. ============================================================== |