diff options
Diffstat (limited to 'Documentation/trace')
| -rw-r--r-- | Documentation/trace/events.txt | 9 | ||||
| -rw-r--r-- | Documentation/trace/ftrace.txt | 9 |
2 files changed, 6 insertions, 12 deletions
diff --git a/Documentation/trace/events.txt b/Documentation/trace/events.txt index 08d74d75150d..2cc08d4a326e 100644 --- a/Documentation/trace/events.txt +++ b/Documentation/trace/events.txt @@ -189,16 +189,13 @@ And for string fields they are: ==, !=, ~ -The glob (~) only accepts a wild card character (*) at the start and or -end of the string. For example: +The glob (~) accepts a wild card character (*,?) and character classes +([). For example: prev_comm ~ "*sh" prev_comm ~ "sh*" prev_comm ~ "*sh*" - -But does not allow for it to be within the string: - - prev_comm ~ "ba*sh" <-- is invalid + prev_comm ~ "ba*sh" 5.2 Setting filters ------------------- diff --git a/Documentation/trace/ftrace.txt b/Documentation/trace/ftrace.txt index 185c39fea2a0..1bc66c1db0cb 100644 --- a/Documentation/trace/ftrace.txt +++ b/Documentation/trace/ftrace.txt @@ -2218,16 +2218,13 @@ hrtimer_interrupt sys_nanosleep -Perhaps this is not enough. The filters also allow simple wild -cards. Only the following are currently available +Perhaps this is not enough. The filters also allow glob(7) matching. <match>* - will match functions that begin with <match> *<match> - will match functions that end with <match> *<match>* - will match functions that have <match> in it - -These are the only wild cards which are supported. - - <match>*<match> will not work. + <match1>*<match2> - will match functions that begin with + <match1> and end with <match2> Note: It is better to use quotes to enclose the wild cards, otherwise the shell may expand the parameters into names |