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tracing/uprobes: Fix documentation of uprobe registration syntax

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The uprobe syntax requires an offset after a file path not a symbol.

Reviewed-by: Masami Hiramatsu <[email protected]>
Acked-by: Oleg Nesterov <[email protected]>
Acked-by: Srikar Dronamraju <[email protected]>
Cc: zhangwei(Jovi) <[email protected]>
Cc: Arnaldo Carvalho de Melo <[email protected]>
Signed-off-by: Namhyung Kim <[email protected]>
This commit is contained in:
Namhyung Kim 2013-07-03 16:44:46 +09:00 • committed by Steven Rostedt
commit 306cfe2025
2 changed files with 6 additions and 6 deletions
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10
Documentation/trace/uprobetracer.txt
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@ -19,15 +19,15 @@ user to calculate the offset of the probepoint in the object.
Synopsis of uprobe_tracer
-------------------------
p[:[GRP/]EVENT] PATH:SYMBOL[+offs] [FETCHARGS] : Set a uprobe
r[:[GRP/]EVENT] PATH:SYMBOL[+offs] [FETCHARGS] : Set a return uprobe (uretprobe)
-:[GRP/]EVENT : Clear uprobe or uretprobe event
p[:[GRP/]EVENT] PATH:OFFSET [FETCHARGS] : Set a uprobe
r[:[GRP/]EVENT] PATH:OFFSET [FETCHARGS] : Set a return uprobe (uretprobe)
-:[GRP/]EVENT : Clear uprobe or uretprobe event
GRP : Group name. If omitted, "uprobes" is the default value.
EVENT : Event name. If omitted, the event name is generated based
on SYMBOL+offs.
on PATH+OFFSET.
PATH : Path to an executable or a library.
SYMBOL[+offs] : Symbol+offset where the probe is inserted.
OFFSET : Offset where the probe is inserted.
FETCHARGS : Arguments. Each probe can have up to 128 args.
%REG : Fetch register REG