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Commit 2b2f68b5383ea107295d7f1483256866e2daa1e3

Authored by Florian Ragwitz
Committed by Linus Torvalds
1 parent ea46c8f774
Exists in master and in 7 other branches imx_3.0.35_4.1.0, imx_3.10.17_1.0.1_ga, imx_3.10.53_1.1.0_ga, imx_3.14.28_1.0.0_ga, smarc-imx_3.10.53_1.1.0_ga, smarc-imx_3.14.28_1.0.0_ga, smarc-l5.0.0_1.0.0-ga

DYNAMIC_DEBUG: fix documentation errors 

[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: Florian Ragwitz <rafl@debian.org>
Cc: Jason Baron <jbaron@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

Showing 2 changed files with 9 additions and 9 deletions Side-by-side Diff

include/linux/dynamic_debug.h
Diff comments   View file @ 2b2f68b
... ... @@ -28,7 +28,7 @@
28 28 /*
29 29 * The flags field controls the behaviour at the callsite.
30 30 * The bits here are changed dynamically when the user
31   - * writes commands to <debugfs>/dynamic_debug/ddebug
  31 + * writes commands to <debugfs>/dynamic_debug/control
32 32 */
33 33 #define _DPRINTK_FLAGS_PRINT (1<<0) /* printk() a message using the format */
34 34 #define _DPRINTK_FLAGS_DEFAULT 0
... ... @@ -1039,10 +1039,10 @@
1039 1039  
1040 1040 Usage:
1041 1041  
1042   - Dynamic debugging is controlled via the 'dynamic_debug/ddebug' file,
  1042 + Dynamic debugging is controlled via the 'dynamic_debug/control' file,
1043 1043 which is contained in the 'debugfs' filesystem. Thus, the debugfs
1044 1044 filesystem must first be mounted before making use of this feature.
1045   - We refer the control file as: <debugfs>/dynamic_debug/ddebug. This
  1045 + We refer the control file as: <debugfs>/dynamic_debug/control. This
1046 1046 file contains a list of the debug statements that can be enabled. The
1047 1047 format for each line of the file is:
1048 1048  
... ... @@ -1057,7 +1057,7 @@
1057 1057  
1058 1058 From a live system:
1059 1059  
1060   - nullarbor:~ # cat <debugfs>/dynamic_debug/ddebug
  1060 + nullarbor:~ # cat <debugfs>/dynamic_debug/control
1061 1061 # filename:lineno [module]function flags format
1062 1062 fs/aio.c:222 [aio]__put_ioctx - "__put_ioctx:\040freeing\040%p\012"
1063 1063 fs/aio.c:248 [aio]ioctx_alloc - "ENOMEM:\040nr_events\040too\040high\012"
1064 1064  
1065 1065  
1066 1066  
1067 1067  
... ... @@ -1067,23 +1067,23 @@
1067 1067  
1068 1068 // enable the message at line 1603 of file svcsock.c
1069 1069 nullarbor:~ # echo -n 'file svcsock.c line 1603 +p' >
1070   - <debugfs>/dynamic_debug/ddebug
  1070 + <debugfs>/dynamic_debug/control
1071 1071  
1072 1072 // enable all the messages in file svcsock.c
1073 1073 nullarbor:~ # echo -n 'file svcsock.c +p' >
1074   - <debugfs>/dynamic_debug/ddebug
  1074 + <debugfs>/dynamic_debug/control
1075 1075  
1076 1076 // enable all the messages in the NFS server module
1077 1077 nullarbor:~ # echo -n 'module nfsd +p' >
1078   - <debugfs>/dynamic_debug/ddebug
  1078 + <debugfs>/dynamic_debug/control
1079 1079  
1080 1080 // enable all 12 messages in the function svc_process()
1081 1081 nullarbor:~ # echo -n 'func svc_process +p' >
1082   - <debugfs>/dynamic_debug/ddebug
  1082 + <debugfs>/dynamic_debug/control
1083 1083  
1084 1084 // disable all 12 messages in the function svc_process()
1085 1085 nullarbor:~ # echo -n 'func svc_process -p' >
1086   - <debugfs>/dynamic_debug/ddebug
  1086 + <debugfs>/dynamic_debug/control
1087 1087  
1088 1088 See Documentation/dynamic-debug-howto.txt for additional information.
1089 1089