perf symbols: Add nr_events to symbol_conf

Since symbol__alloc_hists need it, to avoid passing it around in many
functions have it in the symbol_conf struct.

Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-cwv8ysvpywzjq4v3xtbd4zwv@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

1 files changed, 4 insertions, 3 deletions

diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index c9cdedb58134..04288ee223ed 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -170,7 +170,7 @@ static int parse_source(struct hist_entry *he)
 
         pthread_mutex_lock(&notes->lock);
 
-        if (symbol__alloc_hist(sym, top.evlist->nr_entries) < 0) {
+        if (symbol__alloc_hist(sym) < 0) {
                 pthread_mutex_unlock(&notes->lock);
                 pr_err("Not enough memory for annotating '%s' symbol!\n",
                        sym->name);
@@ -210,8 +210,7 @@ static void record_precise_ip(struct hist_entry *he, int counter, u64 ip)
         if (pthread_mutex_trylock(&notes->lock))
                 return;
 
-        if (notes->src == NULL &&
-            symbol__alloc_hist(sym, top.evlist->nr_entries) < 0) {
+        if (notes->src == NULL && symbol__alloc_hist(sym) < 0) {
                 pthread_mutex_unlock(&notes->lock);
                 pr_err("Not enough memory for annotating '%s' symbol!\n",
                        sym->name);
@@ -1215,6 +1214,8 @@ int cmd_top(int argc, const char **argv, const char *prefix __used)
                 return -ENOMEM;
         }
 
+        symbol_conf.nr_events = top.evlist->nr_entries;
+
         if (top.delay_secs < 1)
                 top.delay_secs = 1;