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perf session: Change add_hist_entry to take the tree root instead of session

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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>
This commit is contained in:
Eric B Munson
2010-03-05 12:51:06 -03:00
committed by Ingo Molnar
parent 8907fd607b
commit d403d0acc9
5 changed files with 10 additions and 7 deletions
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6
tools/perf/util/hist.c
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@@ -12,12 +12,12 @@ struct callchain_param callchain_param = {
* 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 @@ struct hist_entry *__perf_session__add_hist_entry(struct perf_session *self,
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;
}