diff options
| -rw-r--r-- | include/linux/dynamic_debug.h | 2 | ||||
| -rw-r--r-- | lib/Kconfig.debug | 16 |
2 files changed, 9 insertions, 9 deletions
diff --git a/include/linux/dynamic_debug.h b/include/linux/dynamic_debug.h index f8c2e17..b3cd4de 100644 --- a/include/linux/dynamic_debug.h +++ b/include/linux/dynamic_debug.h @@ -28,7 +28,7 @@ struct _ddebug { /* * The flags field controls the behaviour at the callsite. * The bits here are changed dynamically when the user - * writes commands to <debugfs>/dynamic_debug/ddebug + * writes commands to <debugfs>/dynamic_debug/control */ #define _DPRINTK_FLAGS_PRINT (1<<0) /* printk() a message using the format */ #define _DPRINTK_FLAGS_DEFAULT 0 diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index d85be90..2312089 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -1039,10 +1039,10 @@ config DYNAMIC_DEBUG Usage: - Dynamic debugging is controlled via the 'dynamic_debug/ddebug' file, + Dynamic debugging is controlled via the 'dynamic_debug/control' file, which is contained in the 'debugfs' filesystem. Thus, the debugfs filesystem must first be mounted before making use of this feature. - We refer the control file as: <debugfs>/dynamic_debug/ddebug. This + We refer the control file as: <debugfs>/dynamic_debug/control. This file contains a list of the debug statements that can be enabled. The format for each line of the file is: @@ -1057,7 +1057,7 @@ config DYNAMIC_DEBUG From a live system: - nullarbor:~ # cat <debugfs>/dynamic_debug/ddebug + nullarbor:~ # cat <debugfs>/dynamic_debug/control # filename:lineno [module]function flags format fs/aio.c:222 [aio]__put_ioctx - "__put_ioctx:\040freeing\040%p\012" fs/aio.c:248 [aio]ioctx_alloc - "ENOMEM:\040nr_events\040too\040high\012" @@ -1067,23 +1067,23 @@ config DYNAMIC_DEBUG // enable the message at line 1603 of file svcsock.c nullarbor:~ # echo -n 'file svcsock.c line 1603 +p' > - <debugfs>/dynamic_debug/ddebug + <debugfs>/dynamic_debug/control // enable all the messages in file svcsock.c nullarbor:~ # echo -n 'file svcsock.c +p' > - <debugfs>/dynamic_debug/ddebug + <debugfs>/dynamic_debug/control // enable all the messages in the NFS server module nullarbor:~ # echo -n 'module nfsd +p' > - <debugfs>/dynamic_debug/ddebug + <debugfs>/dynamic_debug/control // enable all 12 messages in the function svc_process() nullarbor:~ # echo -n 'func svc_process +p' > - <debugfs>/dynamic_debug/ddebug + <debugfs>/dynamic_debug/control // disable all 12 messages in the function svc_process() nullarbor:~ # echo -n 'func svc_process -p' > - <debugfs>/dynamic_debug/ddebug + <debugfs>/dynamic_debug/control See Documentation/dynamic-debug-howto.txt for additional information. |
