diff options
Diffstat (limited to 'Documentation/trace/ftrace.txt')
| -rw-r--r-- | Documentation/trace/ftrace.txt | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/Documentation/trace/ftrace.txt b/Documentation/trace/ftrace.txt index 5596e2d71d6d..006f47c7d913 100644 --- a/Documentation/trace/ftrace.txt +++ b/Documentation/trace/ftrace.txt @@ -416,6 +416,12 @@ of ftrace. Here is a list of some of the key files: trace_fd = open("trace_marker", WR_ONLY); + trace_marker_raw: + + This is similar to trace_marker above, but is meant for for binary data + to be written to it, where a tool can be used to parse the data + from trace_pipe_raw. + uprobe_events: Add dynamic tracepoints in programs. @@ -2238,16 +2244,13 @@ 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 |