perf session: Change add_hist_entry to take the tree root instead of session
In order to minimize the impact of storing multiple events in a
report this function will now take the root of the histogram
tree so that the logic for selecting the proper tree can be
inserted before the call.
Signed-off-by: Eric B Munson <ebmunson@us.ibm.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
LKML-Reference: <1267804269-22660-3-git-send-email-acme@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c
index e8daf5c..55dd911 100644
--- a/tools/perf/util/hist.c
+++ b/tools/perf/util/hist.c
@@ -12,12 +12,12 @@
* histogram, sorted on item, collects counts
*/
-struct hist_entry *__perf_session__add_hist_entry(struct perf_session *self,
+struct hist_entry *__perf_session__add_hist_entry(struct rb_root *hists,
struct addr_location *al,
struct symbol *sym_parent,
u64 count, bool *hit)
{
- struct rb_node **p = &self->hists.rb_node;
+ struct rb_node **p = &hists->rb_node;
struct rb_node *parent = NULL;
struct hist_entry *he;
struct hist_entry entry = {
@@ -53,7 +53,7 @@
return NULL;
*he = entry;
rb_link_node(&he->rb_node, parent, p);
- rb_insert_color(&he->rb_node, &self->hists);
+ rb_insert_color(&he->rb_node, hists);
*hit = false;
return he;
}