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Subject[ 005/150] perf hists: Fix period symbol_conf.field_sep display
Date
3.8-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Jiri Olsa <jolsa@redhat.com>

commit c0d246b85fc7d42688d7a5d999ea671777caf65b upstream.

Currently we don't properly display hist data with symbol_conf.field_sep
separator. We need to display either space or separator.

Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Cc: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: http://lkml.kernel.org/n/tip-cyggwys0bz5kqdowwvfd8h72@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Josh Boyer <jwboyer@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
tools/perf/ui/hist.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)

--- a/tools/perf/ui/hist.c
+++ b/tools/perf/ui/hist.c
@@ -463,11 +463,15 @@ int hist_entry__period_snprintf(struct p
if (!perf_hpp__format[i].cond)
continue;

+ /*
+ * If there's no field_sep, we still need
+ * to display initial ' '.
+ */
if (!sep || !first) {
ret = scnprintf(hpp->buf, hpp->size, "%s", sep ?: " ");
advance_hpp(hpp, ret);
+ } else
first = false;
- }

if (color && perf_hpp__format[i].color)
ret = perf_hpp__format[i].color(hpp, he);



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