Commit 78831ba6 authored by Randy Dunlap's avatar Randy Dunlap Committed by Linus Torvalds
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[PATCH] sysrq: alphabetize command keys doc



Alphabetize the sysrq command keys list.
Signed-off-by: default avatarRandy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent b653d081
......@@ -64,11 +64,6 @@ On all - write a character to /proc/sysrq-trigger. e.g.:
* What are the 'command' keys?
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
'r' - Turns off keyboard raw mode and sets it to XLATE.
'k' - Secure Access Key (SAK) Kills all programs on the current virtual
console. NOTE: See important comments below in SAK section.
'b' - Will immediately reboot the system without syncing or unmounting
your disks.
......@@ -76,21 +71,37 @@ On all - write a character to /proc/sysrq-trigger. e.g.:
'd' - Shows all locks that are held.
'o' - Will shut your system off (if configured and supported).
'e' - Send a SIGTERM to all processes, except for init.
's' - Will attempt to sync all mounted filesystems.
'f' - Will call oom_kill to kill a memory hog process.
'u' - Will attempt to remount all mounted filesystems read-only.
'g' - Used by kgdb on ppc platforms.
'p' - Will dump the current registers and flags to your console.
'h' - Will display help (actually any other key than those listed
above will display help. but 'h' is easy to remember :-)
't' - Will dump a list of current tasks and their information to your
console.
'i' - Send a SIGKILL to all processes, except for init.
'k' - Secure Access Key (SAK) Kills all programs on the current virtual
console. NOTE: See important comments below in SAK section.
'm' - Will dump current memory info to your console.
'n' - Used to make RT tasks nice-able
'o' - Will shut your system off (if configured and supported).
'p' - Will dump the current registers and flags to your console.
'r' - Turns off keyboard raw mode and sets it to XLATE.
's' - Will attempt to sync all mounted filesystems.
't' - Will dump a list of current tasks and their information to your
console.
'u' - Will attempt to remount all mounted filesystems read-only.
'v' - Dumps Voyager SMP processor info to your console.
'w' - Dumps tasks that are in uninterruptable (blocked) state.
......@@ -102,17 +113,6 @@ On all - write a character to /proc/sysrq-trigger. e.g.:
it so that only emergency messages like PANICs or OOPSes would
make it to your console.)
'f' - Will call oom_kill to kill a memory hog process.
'e' - Send a SIGTERM to all processes, except for init.
'g' - Used by kgdb on ppc platforms.
'i' - Send a SIGKILL to all processes, except for init.
'h' - Will display help (actually any other key than those listed
above will display help. but 'h' is easy to remember :-)
* Okay, so what can I use them for?
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Well, un'R'aw is very handy when your X server or a svgalib program crashes.
......
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