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| author | Li Zefan <lizf@cn.fujitsu.com> | 2009-08-07 10:33:22 +0800 |
|---|---|---|
| committer | Steven Rostedt <rostedt@goodmis.org> | 2009-08-26 00:32:06 -0400 |
| commit | 43b51ead3f752a3935116e5b1a94254b8573734f (patch) | |
| tree | 5d9e88635c85ba7b1d273dea3c4d8d96e5000154 /include/linux/ftrace_event.h | |
| parent | aa38e9fc3ea804290efd3a39316d7f7e6c945800 (diff) | |
| download | lwn-43b51ead3f752a3935116e5b1a94254b8573734f.tar.gz lwn-43b51ead3f752a3935116e5b1a94254b8573734f.zip | |
tracing/filters: Add __field_ext() to TRACE_EVENT
Add __field_ext(), so a field can be assigned to a specific
filter_type, which matches a corresponding filter function.
For example, a later patch will allow this:
__field_ext(const char *, str, FILTER_PTR_STR);
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
LKML-Reference: <4A7B9272.6050709@cn.fujitsu.com>
[
Fixed a -1 to FILTER_OTHER
Forward ported to latest kernel.
]
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Diffstat (limited to 'include/linux/ftrace_event.h')
| -rw-r--r-- | include/linux/ftrace_event.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/include/linux/ftrace_event.h b/include/linux/ftrace_event.h index df5b085c4150..0440bea8f6bb 100644 --- a/include/linux/ftrace_event.h +++ b/include/linux/ftrace_event.h @@ -140,9 +140,16 @@ extern int filter_current_check_discard(struct ftrace_event_call *call, void *rec, struct ring_buffer_event *event); +enum { + FILTER_OTHER = 0, + FILTER_STATIC_STRING, + FILTER_DYN_STRING, +}; + extern int trace_define_field(struct ftrace_event_call *call, const char *type, const char *name, - int offset, int size, int is_signed); + int offset, int size, int is_signed, + int filter_type); extern int trace_define_common_fields(struct ftrace_event_call *call); #define is_signed_type(type) (((type)(-1)) < 0) |