diff options
author | Namhyung Kim <namhyung.kim@lge.com> | 2013-07-03 03:44:46 -0400 |
---|---|---|
committer | Steven Rostedt <rostedt@goodmis.org> | 2014-01-02 16:17:23 -0500 |
commit | 306cfe2025adcba10fb883ad0c540f5541d1b086 (patch) | |
tree | e0b1225eb244a34f6fdd8defae6cbd642ff592b9 /Documentation/trace | |
parent | d8a30f20347a60a796a5221e07711c0d30d42dc3 (diff) |
tracing/uprobes: Fix documentation of uprobe registration syntax
The uprobe syntax requires an offset after a file path not a symbol.
Reviewed-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Acked-by: Oleg Nesterov <oleg@redhat.com>
Acked-by: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Cc: zhangwei(Jovi) <jovi.zhangwei@huawei.com>
Cc: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Diffstat (limited to 'Documentation/trace')
-rw-r--r-- | Documentation/trace/uprobetracer.txt | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/Documentation/trace/uprobetracer.txt b/Documentation/trace/uprobetracer.txt index d9c3e682312c..8f1a8b8956fc 100644 --- a/Documentation/trace/uprobetracer.txt +++ b/Documentation/trace/uprobetracer.txt | |||
@@ -19,15 +19,15 @@ user to calculate the offset of the probepoint in the object. | |||
19 | 19 | ||
20 | Synopsis of uprobe_tracer | 20 | Synopsis of uprobe_tracer |
21 | ------------------------- | 21 | ------------------------- |
22 | p[:[GRP/]EVENT] PATH:SYMBOL[+offs] [FETCHARGS] : Set a uprobe | 22 | p[:[GRP/]EVENT] PATH:OFFSET [FETCHARGS] : Set a uprobe |
23 | r[:[GRP/]EVENT] PATH:SYMBOL[+offs] [FETCHARGS] : Set a return uprobe (uretprobe) | 23 | r[:[GRP/]EVENT] PATH:OFFSET [FETCHARGS] : Set a return uprobe (uretprobe) |
24 | -:[GRP/]EVENT : Clear uprobe or uretprobe event | 24 | -:[GRP/]EVENT : Clear uprobe or uretprobe event |
25 | 25 | ||
26 | GRP : Group name. If omitted, "uprobes" is the default value. | 26 | GRP : Group name. If omitted, "uprobes" is the default value. |
27 | EVENT : Event name. If omitted, the event name is generated based | 27 | EVENT : Event name. If omitted, the event name is generated based |
28 | on SYMBOL+offs. | 28 | on PATH+OFFSET. |
29 | PATH : Path to an executable or a library. | 29 | PATH : Path to an executable or a library. |
30 | SYMBOL[+offs] : Symbol+offset where the probe is inserted. | 30 | OFFSET : Offset where the probe is inserted. |
31 | 31 | ||
32 | FETCHARGS : Arguments. Each probe can have up to 128 args. | 32 | FETCHARGS : Arguments. Each probe can have up to 128 args. |
33 | %REG : Fetch register REG | 33 | %REG : Fetch register REG |