lkml.org 
[lkml]   [2010]   [Mar]   [10]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
Subject[tip:perf/urgent] perf session: Change add_hist_entry to take the tree root instead of session
Commit-ID:  d403d0acc9c5afa679a3f61e71489530d7fa0606
Gitweb: http://git.kernel.org/tip/d403d0acc9c5afa679a3f61e71489530d7fa0606
Author: Eric B Munson <ebmunson@us.ibm.com>
AuthorDate: Fri, 5 Mar 2010 12:51:06 -0300
Committer: Ingo Molnar <mingo@elte.hu>
CommitDate: Wed, 10 Mar 2010 13:53:47 +0100

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>
---
tools/perf/builtin-annotate.c | 2 +-
tools/perf/builtin-diff.c | 3 ++-
tools/perf/builtin-report.c | 3 ++-
tools/perf/util/hist.c | 6 +++---
tools/perf/util/hist.h | 3 ++-
5 files changed, 10 insertions(+), 7 deletions(-)
diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c
index 5ec5de9..4b734c7 100644
--- a/tools/perf/builtin-annotate.c
+++ b/tools/perf/builtin-annotate.c
@@ -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;

diff --git a/tools/perf/builtin-diff.c b/tools/perf/builtin-diff.c
index 18b3f50..20df735 100644
--- a/tools/perf/builtin-diff.c
+++ b/tools/perf/builtin-diff.c
@@ -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;
diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index cfc655d..cd16e6a 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -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;

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 @@ 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;
}
diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h
index e5f99b2..7b48590 100644
--- a/tools/perf/util/hist.h
+++ b/tools/perf/util/hist.h
@@ -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);

\
 
 \ /
  Last update: 2010-03-10 14:17    [from the cache]
©2003-2011 Jasper Spaans