perf probe: Fix line range to show end line

Line range should reject the range if the number of lines is 0
(e.g. "sched.c:1024+0"), and it should show the lines include
the end of line number (e.g. "sched.c:1024-2048" should show
2048th line).

LKML-Reference: <20100414223950.14630.42263.stgit@localhost6.localdomain6>
Signed-off-by: Masami Hiramatsu <mhiramat@redhat.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Masami Hiramatsu 2010-04-14 18:39:50 -04:00 committed by Arnaldo Carvalho de Melo
parent d3b63d7ae0
commit dda4ab34fe

View File

@ -290,7 +290,7 @@ int show_line_range(struct line_range *lr)
if (lr->end == INT_MAX)
lr->end = l + NR_ADDITIONAL_LINES;
while (l < lr->end && !feof(fp) && ret >= 0)
while (l <= lr->end && !feof(fp) && ret >= 0)
ret = show_one_line(fp, (l++) - lr->offset, false, false);
end:
fclose(fp);
@ -341,9 +341,15 @@ int parse_line_range_desc(const char *arg, struct line_range *lr)
ptr = strchr(arg, ':');
if (ptr) {
lr->start = (int)strtoul(ptr + 1, &tmp, 0);
if (*tmp == '+')
if (*tmp == '+') {
lr->end = lr->start + (int)strtoul(tmp + 1, &tmp, 0);
else if (*tmp == '-')
lr->end--; /*
* Adjust the number of lines here.
* If the number of lines == 1, the
* the end of line should be equal to
* the start of line.
*/
} else if (*tmp == '-')
lr->end = (int)strtoul(tmp + 1, &tmp, 0);
else
lr->end = INT_MAX;