From: Arnaldo Carvalho de Melo <acme@redhat.com>
Date: Sun, 9 May 2010 19:07:01 +0000 (-0300)
Subject: perf symbols: Consider unresolved DSOs in the dso__col_widt calculation
X-Git-Tag: v2.6.35-rc1~3^2~95
X-Git-Url: http://ftp.safe.ca/?p=safe%2Fjmp%2Flinux-2.6;a=commitdiff_plain;h=3ceb0d4438876a65606c258e5d69e03e57460dd6

perf symbols: Consider unresolved DSOs in the dso__col_widt calculation

By using BITS_PER_LONG / 4, that is the number of chars that will be
used in such cases as the DSO "name".

Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Tom Zanussi <tzanussi@gmail.com>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---

diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c
index 23d5dfd..46563e1 100644
--- a/tools/perf/util/event.c
+++ b/tools/perf/util/event.c
@@ -676,6 +676,13 @@ int event__preprocess_sample(const event_t *self, struct perf_session *session,
 			dso__calc_col_width(al->map->dso);
 
 		al->sym = map__find_symbol(al->map, al->addr, filter);
+	} else {
+		const unsigned int unresolved_col_width = BITS_PER_LONG / 4;
+
+		if (dsos__col_width < unresolved_col_width &&
+		    !symbol_conf.col_width_list_str && !symbol_conf.field_sep &&
+		    !symbol_conf.dso_list)
+			dsos__col_width = unresolved_col_width;
 	}
 
 	if (symbol_conf.sym_list && al->sym &&