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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>
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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2
tools/perf/builtin-annotate.c
View File

@ -116,7 +116,7 @@ static int perf_session__add_hist_entry(struct perf_session *self,
return 0;
}
he = __perf_session__add_hist_entry(self, al, NULL, count, &hit);
he = __perf_session__add_hist_entry(&self->hists, al, NULL, count, &hit);
if (he == NULL)
return -ENOMEM;

3
tools/perf/builtin-diff.c
View File

@ -26,7 +26,8 @@ static int perf_session__add_hist_entry(struct perf_session *self,
struct addr_location *al, u64 count)
{
bool hit;
struct hist_entry *he = __perf_session__add_hist_entry(self, al, NULL,
struct hist_entry *he = __perf_session__add_hist_entry(&self->hists,
al, NULL,
count, &hit);
if (he == NULL)
return -ENOMEM;

3
tools/perf/builtin-report.c
View File

@ -56,7 +56,8 @@ static int perf_session__add_hist_entry(struct perf_session *self,
if ((sort__has_parent || symbol_conf.use_callchain) && chain)
syms = perf_session__resolve_callchain(self, al->thread,
chain, &parent);
he = __perf_session__add_hist_entry(self, al, parent, count, &hit);
he = __perf_session__add_hist_entry(&self->hists, al, parent,
count, &hit);
if (he == NULL)
return -ENOMEM;

6
tools/perf/util/hist.c
View File

@ -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;
}

3
tools/perf/util/hist.h
View File

@ -10,8 +10,9 @@ struct perf_session;
struct hist_entry;
struct addr_location;
struct symbol;
struct rb_root;
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 *parent,
u64 count, bool *hit);