perf hist: Calculate max_sym name len and nr_entries

Better done when we are adding entries, be it initially of when we're
re-sorting the histograms.

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>

1 files changed, 3 insertions, 2 deletions

diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index 994efdb531e4..ecccc8df128e 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -130,8 +130,9 @@ static struct symbol *symbol__new(u64 start, u64 len, const char *name)
         if (symbol_conf.priv_size)
                 self = ((void *)self) + symbol_conf.priv_size;
 
-        self->start = start;
-        self->end   = len ? start + len - 1 : start;
+        self->start   = start;
+        self->end     = len ? start + len - 1 : start;
+        self->namelen = namelen - 1;
 
         pr_debug4("%s: %s %#Lx-%#Lx\n", __func__, name, start, self->end);