Commit-ID: 7d6a7e782558323364bc0ae59f3523175c10b258
Gitweb: http://git.kernel.org/tip/7d6a7e782558323364bc0ae59f3523175c10b258
Author: Jiri Olsa <jolsa@xxxxxxxxxx>
AuthorDate: Thu, 7 Apr 2016 09:11:11 +0200
Committer: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Thu, 7 Apr 2016 10:21:49 -0300
perf tools: Introduce trim function
To be used in cases for both sides trim.
Signed-off-by: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Andreas Hollmann <hollmann@xxxxxxxxx>
Cc: David Ahern <dsahern@xxxxxxxxx>
Cc: Milian Wolff <milian.wolff@xxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Link: http://lkml.kernel.org/r/1460013073-18444-1-git-send-email-jolsa@xxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
tools/perf/ui/browsers/hists.c | 3 +--
tools/perf/ui/stdio/hist.c | 3 +--
tools/perf/util/util.h | 5 +++++
3 files changed, 7 insertions(+), 4 deletions(-)
diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c
index 2a83414..e70df2e 100644
--- a/tools/perf/ui/browsers/hists.c
+++ b/tools/perf/ui/browsers/hists.c
@@ -1607,9 +1607,8 @@ static int hists_browser__scnprintf_hierarchy_headers(struct hist_browser *brows
ret = fmt->header(fmt, &dummy_hpp, hists_to_evsel(hists));
dummy_hpp.buf[ret] = '\0';
- rtrim(dummy_hpp.buf);
- start = ltrim(dummy_hpp.buf);
+ start = trim(dummy_hpp.buf);
ret = strlen(start);
if (start != dummy_hpp.buf)
diff --git a/tools/perf/ui/stdio/hist.c b/tools/perf/ui/stdio/hist.c
index 7aff5ac..560eb47 100644
--- a/tools/perf/ui/stdio/hist.c
+++ b/tools/perf/ui/stdio/hist.c
@@ -569,9 +569,8 @@ static int print_hierarchy_header(struct hists *hists, struct perf_hpp *hpp,
first_col = false;
fmt->header(fmt, hpp, hists_to_evsel(hists));
- rtrim(hpp->buf);
- header_width += fprintf(fp, "%s", ltrim(hpp->buf));
+ header_width += fprintf(fp, "%s", trim(hpp->buf));
}
}
diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h
index 8298d60..3bf3de8 100644
--- a/tools/perf/util/util.h
+++ b/tools/perf/util/util.h
@@ -254,6 +254,11 @@ int hex2u64(const char *ptr, u64 *val);
char *ltrim(char *s);
char *rtrim(char *s);
+static inline char *trim(char *s)
+{
+ return ltrim(rtrim(s));
+}
+
void dump_stack(void);
void sighandler_dump_stack(int sig);
--
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