forked from Minki/linux
13dcbbc022
The perf probe command has some exclusive options. Use new PARSE_OPT_EXCLUSIVE
flag to simplify the code and show more compact usage.
$ perf probe -l -a foo
Error: switch `a' cannot be used with switch `l'
usage: perf probe [<options>] 'PROBEDEF' ['PROBEDEF' ...]
or: perf probe [<options>] --add 'PROBEDEF' [--add 'PROBEDEF' ...]
or: perf probe [<options>] --del '[GROUP:]EVENT' ...
or: perf probe --list
or: perf probe [<options>] --line 'LINEDESC'
or: perf probe [<options>] --vars 'PROBEPOINT'
-a, --add <[EVENT=]FUNC[@SRC][+OFF|%return|:RL|;PT]|SRC:AL|SRC;PT [[NAME=]ARG ...]>
probe point definition, where
GROUP: Group name (optional)
EVENT: Event name
FUNC: Function name
OFF: Offset from function entry (in byte)
%return: Put the probe at function return
SRC: Source code path
RL: Relative line number from function entry.
AL: Absolute line number in file.
PT: Lazy expression of line code.
ARG: Probe argument (local variable name or
kprobe-tracer argument format.)
-l, --list list up current probe events
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Acked-by: Hemant Kumar <hemant@linux.vnet.ibm.com>
Acked-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Hemant Kumar <hemant@linux.vnet.ibm.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1413990949-13953-6-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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