[Dle-develop] [tip:perf/probes] perf probe: Show more lines after last line

[tip-bot f. M. H. <mhi...@re...>]

Commit-ID:  5c8d1cbbbed39dcab2ecf429d6e56ea548c0fda4
Gitweb:     http://git.kernel.org/tip/5c8d1cbbbed39dcab2ecf429d6e56ea548c0fda4
Author:     Masami Hiramatsu <mhi...@re...>
AuthorDate: Thu, 25 Feb 2010 08:36:04 -0500
Committer:  Ingo Molnar <mi...@el...>
CommitDate: Thu, 25 Feb 2010 17:49:30 +0100

perf probe: Show more lines after last line

Show 2 more lines after the last probe-able line.
This will clearly show the last closed-brace of
inline functions.

Signed-off-by: Masami Hiramatsu <mhi...@re...>
Cc: systemtap <sys...@so...>
Cc: DLE <dle...@li...>
Cc: Frederic Weisbecker <fwe...@gm...>
Cc: Arnaldo Carvalho de Melo <ac...@re...>
Cc: Peter Zijlstra <pe...@in...>
Cc: Paul Mackerras <pa...@sa...>
Cc: Mike Galbraith <ef...@gm...>
Cc: K.Prasad <pr...@li...>
Cc: Frederic Weisbecker <fwe...@gm...>
Cc: Ananth N Mavinakayanahalli <an...@in...>
LKML-Reference: <20100225133604.6725.76820.stgit@localhost6.localdomain6>
Signed-off-by: Ingo Molnar <mi...@el...>
---
 tools/perf/util/probe-event.c |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)

diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c
index 71b0dd5..91f55f2 100644
--- a/tools/perf/util/probe-event.c
+++ b/tools/perf/util/probe-event.c
@@ -716,6 +716,7 @@ void del_trace_kprobe_events(struct strlist *dellist)
 }
 
 #define LINEBUF_SIZE 256
+#define NR_ADDITIONAL_LINES 2
 
 static void show_one_line(FILE *fp, unsigned int l, bool skip, bool show_num)
 {
@@ -776,5 +777,11 @@ void show_line_range(struct line_range *lr)
 			show_one_line(fp, (l++) - lr->offset, false, false);
 		show_one_line(fp, (l++) - lr->offset, false, true);
 	}
+
+	if (lr->end == INT_MAX)
+		lr->end = l + NR_ADDITIONAL_LINES;
+	while (l < lr->end && !feof(fp))
+		show_one_line(fp, (l++) - lr->offset, false, false);
+
 	fclose(fp);
 }