diff options
Diffstat (limited to 'Documentation/sysrq.txt')
| -rw-r--r-- | Documentation/sysrq.txt | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/Documentation/sysrq.txt b/Documentation/sysrq.txt index 5c17196c8fe9..312e3754e8c5 100644 --- a/Documentation/sysrq.txt +++ b/Documentation/sysrq.txt | |||
| @@ -75,7 +75,7 @@ On all - write a character to /proc/sysrq-trigger. e.g.: | |||
| 75 | 75 | ||
| 76 | 'f' - Will call oom_kill to kill a memory hog process. | 76 | 'f' - Will call oom_kill to kill a memory hog process. |
| 77 | 77 | ||
| 78 | 'g' - Used by kgdb on ppc and sh platforms. | 78 | 'g' - Used by kgdb (kernel debugger) |
| 79 | 79 | ||
| 80 | 'h' - Will display help (actually any other key than those listed | 80 | 'h' - Will display help (actually any other key than those listed |
| 81 | here will display help. but 'h' is easy to remember :-) | 81 | here will display help. but 'h' is easy to remember :-) |
| @@ -110,12 +110,15 @@ On all - write a character to /proc/sysrq-trigger. e.g.: | |||
| 110 | 110 | ||
| 111 | 'u' - Will attempt to remount all mounted filesystems read-only. | 111 | 'u' - Will attempt to remount all mounted filesystems read-only. |
| 112 | 112 | ||
| 113 | 'v' - Dumps Voyager SMP processor info to your console. | 113 | 'v' - Forcefully restores framebuffer console |
| 114 | 'v' - Causes ETM buffer dump [ARM-specific] | ||
| 114 | 115 | ||
| 115 | 'w' - Dumps tasks that are in uninterruptable (blocked) state. | 116 | 'w' - Dumps tasks that are in uninterruptable (blocked) state. |
| 116 | 117 | ||
| 117 | 'x' - Used by xmon interface on ppc/powerpc platforms. | 118 | 'x' - Used by xmon interface on ppc/powerpc platforms. |
| 118 | 119 | ||
| 120 | 'y' - Show global CPU Registers [SPARC-64 specific] | ||
| 121 | |||
| 119 | 'z' - Dump the ftrace buffer | 122 | 'z' - Dump the ftrace buffer |
| 120 | 123 | ||
| 121 | '0'-'9' - Sets the console log level, controlling which kernel messages | 124 | '0'-'9' - Sets the console log level, controlling which kernel messages |