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Subject[PATCH -tip 10/13] [RESEND]perf probe: Warn when more than two lines are given
Date
Print warning which warns only the last specified --line option is valid.

Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
---

tools/perf/builtin-probe.c | 11 ++++++++---
1 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/tools/perf/builtin-probe.c b/tools/perf/builtin-probe.c
index 2c0e64d..4f3460a 100644
--- a/tools/perf/builtin-probe.c
+++ b/tools/perf/builtin-probe.c
@@ -134,10 +134,15 @@ static int opt_show_lines(const struct option *opt __used,
{
int ret = 0;

- if (str)
- ret = parse_line_range_desc(str, &params.line_range);
- INIT_LIST_HEAD(&params.line_range.line_list);
+ if (!str)
+ return 0;
+
+ if (params.show_lines)
+ pr_warning("Warning: more than two --line option are"
+ " detected. Only last option is valid.\n");
params.show_lines = true;
+ ret = parse_line_range_desc(str, &params.line_range);
+ INIT_LIST_HEAD(&params.line_range.line_list);

return ret;
}


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