forked from Minki/linux
[PATCH] sysrq: alphabetize command keys doc
Alphabetize the sysrq command keys list. Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -64,11 +64,6 @@ On all - write a character to /proc/sysrq-trigger. e.g.:
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* What are the 'command' keys?
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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'r' - Turns off keyboard raw mode and sets it to XLATE.
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'k' - Secure Access Key (SAK) Kills all programs on the current virtual
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console. NOTE: See important comments below in SAK section.
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'b' - Will immediately reboot the system without syncing or unmounting
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your disks.
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@ -76,21 +71,37 @@ On all - write a character to /proc/sysrq-trigger. e.g.:
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'd' - Shows all locks that are held.
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'o' - Will shut your system off (if configured and supported).
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'e' - Send a SIGTERM to all processes, except for init.
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's' - Will attempt to sync all mounted filesystems.
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'f' - Will call oom_kill to kill a memory hog process.
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'u' - Will attempt to remount all mounted filesystems read-only.
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'g' - Used by kgdb on ppc platforms.
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'p' - Will dump the current registers and flags to your console.
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'h' - Will display help (actually any other key than those listed
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above will display help. but 'h' is easy to remember :-)
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't' - Will dump a list of current tasks and their information to your
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console.
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'i' - Send a SIGKILL to all processes, except for init.
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'k' - Secure Access Key (SAK) Kills all programs on the current virtual
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console. NOTE: See important comments below in SAK section.
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'm' - Will dump current memory info to your console.
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'n' - Used to make RT tasks nice-able
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'o' - Will shut your system off (if configured and supported).
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'p' - Will dump the current registers and flags to your console.
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'r' - Turns off keyboard raw mode and sets it to XLATE.
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's' - Will attempt to sync all mounted filesystems.
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't' - Will dump a list of current tasks and their information to your
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console.
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'u' - Will attempt to remount all mounted filesystems read-only.
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'v' - Dumps Voyager SMP processor info to your console.
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'w' - Dumps tasks that are in uninterruptable (blocked) state.
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@ -102,17 +113,6 @@ On all - write a character to /proc/sysrq-trigger. e.g.:
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it so that only emergency messages like PANICs or OOPSes would
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make it to your console.)
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'f' - Will call oom_kill to kill a memory hog process.
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'e' - Send a SIGTERM to all processes, except for init.
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'g' - Used by kgdb on ppc platforms.
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'i' - Send a SIGKILL to all processes, except for init.
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'h' - Will display help (actually any other key than those listed
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above will display help. but 'h' is easy to remember :-)
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* Okay, so what can I use them for?
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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Well, un'R'aw is very handy when your X server or a svgalib program crashes.
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