diff options
| author | Masami Hiramatsu | 2016-08-18 17:57:50 +0900 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo | 2016-08-23 15:38:09 -0300 |
| commit | 17ce3dc7e5a0e4796cc7838d1f7b2531d0bca130 (patch) | |
| tree | abffd9fcf8dda031e3b024e452cb5de8671321e1 /Documentation/trace/kprobetrace.txt | |
| parent | 6637e6f1ac62e62a353612844db21cff9a17758b (diff) | |
ftrace: kprobe: uprobe: Add x8/x16/x32/x64 for hexadecimal types
Add x8/x16/x32/x64 for hexadecimal type casting to kprobe/uprobe event
tracer.
These type casts can be used for integer arguments for explicitly
showing them in hexadecimal digits in formatted text.
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Acked-by: Steven Rostedt <rostedt@goodmis.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Hemant Kumar <hemant@linux.vnet.ibm.com>
Cc: Naohiro Aota <naohiro.aota@hgst.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/r/147151067029.12957.11591314629326414783.stgit@devbox
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'Documentation/trace/kprobetrace.txt')
| -rw-r--r-- | Documentation/trace/kprobetrace.txt | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/Documentation/trace/kprobetrace.txt b/Documentation/trace/kprobetrace.txt index ea52ec1f8484..9109c8e8a5a1 100644 --- a/Documentation/trace/kprobetrace.txt +++ b/Documentation/trace/kprobetrace.txt @@ -44,8 +44,8 @@ Synopsis of kprobe_events +|-offs(FETCHARG) : Fetch memory at FETCHARG +|- offs address.(**) NAME=FETCHARG : Set NAME as the argument name of FETCHARG. FETCHARG:TYPE : Set TYPE as the type of FETCHARG. Currently, basic types - (u8/u16/u32/u64/s8/s16/s32/s64), "string" and bitfield - are supported. + (u8/u16/u32/u64/s8/s16/s32/s64), hexadecimal types + (x8/x16/x32/x64), "string" and bitfield are supported. (*) only for return probe. (**) this is useful for fetching a field of data structures. |