[PATCH] document the core-dump-to-a-pipe patch (cd081041) · Commits · 戴 / test

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>

Documentation/sysctl/kernel.txt

+4 −1

Original line number	Diff line number	Diff line
		@@ -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.

		==============================================================

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