[PATCH v4 2/2] dynamic-debug-howto.txt: update since new wildcard support
From: "Du, Changbin" Add the usage of using new feature wildcard support. Signed-off-by: Du, Changbin --- Documentation/dynamic-debug-howto.txt | 9 + 1 file changed, 9 insertions(+) diff --git a/Documentation/dynamic-debug-howto.txt b/Documentation/dynamic-debug-howto.txt index 1bbdcfc..46325eb 100644 --- a/Documentation/dynamic-debug-howto.txt +++ b/Documentation/dynamic-debug-howto.txt @@ -108,6 +108,12 @@ If your query set is big, you can batch them too: ~# cat query-batch-file > /dynamic_debug/control +A another way is to use wildcard. The match rule support '*' (matches +zero or more characters) and '?' (matches exactly one character).For +example, you can match all usb drivers: + + ~# echo "file drivers/usb/* +p" > /dynamic_debug/control + At the syntactical level, a command comprises a sequence of match specifications, followed by a flags change specification. @@ -315,6 +321,9 @@ nullarbor:~ # echo -n 'func svc_process -p' > nullarbor:~ # echo -n 'format "nfsd: READ" +p' > /dynamic_debug/control +// enable messages in files of which the pathes include string "usb" +nullarbor:~ # echo -n '*usb* +p' > /dynamic_debug/control + // enable all messages nullarbor:~ # echo -n '+p' > /dynamic_debug/control -- 1.8.1.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
[PATCH v4 2/2] dynamic-debug-howto.txt: update since new wildcard support
From: Du, Changbin changbin...@gmail.com Add the usage of using new feature wildcard support. Signed-off-by: Du, Changbin changbin...@gmail.com --- Documentation/dynamic-debug-howto.txt | 9 + 1 file changed, 9 insertions(+) diff --git a/Documentation/dynamic-debug-howto.txt b/Documentation/dynamic-debug-howto.txt index 1bbdcfc..46325eb 100644 --- a/Documentation/dynamic-debug-howto.txt +++ b/Documentation/dynamic-debug-howto.txt @@ -108,6 +108,12 @@ If your query set is big, you can batch them too: ~# cat query-batch-file debugfs/dynamic_debug/control +A another way is to use wildcard. The match rule support '*' (matches +zero or more characters) and '?' (matches exactly one character).For +example, you can match all usb drivers: + + ~# echo file drivers/usb/* +p debugfs/dynamic_debug/control + At the syntactical level, a command comprises a sequence of match specifications, followed by a flags change specification. @@ -315,6 +321,9 @@ nullarbor:~ # echo -n 'func svc_process -p' nullarbor:~ # echo -n 'format nfsd: READ +p' debugfs/dynamic_debug/control +// enable messages in files of which the pathes include string usb +nullarbor:~ # echo -n '*usb* +p' debugfs/dynamic_debug/control + // enable all messages nullarbor:~ # echo -n '+p' debugfs/dynamic_debug/control -- 1.8.1.2 -- To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
