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Message-Id: <20231102175735.2272696-27-irogers@google.com>
Date: Thu, 2 Nov 2023 10:57:08 -0700
From: Ian Rogers <irogers@...gle.com>
To: Peter Zijlstra <peterz@...radead.org>,
Ingo Molnar <mingo@...hat.com>,
Arnaldo Carvalho de Melo <acme@...nel.org>,
Mark Rutland <mark.rutland@....com>,
Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
Jiri Olsa <jolsa@...nel.org>,
Namhyung Kim <namhyung@...nel.org>,
Ian Rogers <irogers@...gle.com>,
Adrian Hunter <adrian.hunter@...el.com>,
Nick Terrell <terrelln@...com>,
Kan Liang <kan.liang@...ux.intel.com>,
Andi Kleen <ak@...ux.intel.com>,
Kajol Jain <kjain@...ux.ibm.com>,
Athira Rajeev <atrajeev@...ux.vnet.ibm.com>,
Huacai Chen <chenhuacai@...nel.org>,
Masami Hiramatsu <mhiramat@...nel.org>,
Vincent Whitchurch <vincent.whitchurch@...s.com>,
"Steinar H. Gunderson" <sesse@...gle.com>,
Liam Howlett <liam.howlett@...cle.com>,
Miguel Ojeda <ojeda@...nel.org>,
Colin Ian King <colin.i.king@...il.com>,
Dmitrii Dolgov <9erthalion6@...il.com>,
Yang Jihong <yangjihong1@...wei.com>,
Ming Wang <wangming01@...ngson.cn>,
James Clark <james.clark@....com>,
K Prateek Nayak <kprateek.nayak@....com>,
Sean Christopherson <seanjc@...gle.com>,
Leo Yan <leo.yan@...aro.org>,
Ravi Bangoria <ravi.bangoria@....com>,
German Gomez <german.gomez@....com>,
Changbin Du <changbin.du@...wei.com>,
Paolo Bonzini <pbonzini@...hat.com>, Li Dong <lidong@...o.com>,
Sandipan Das <sandipan.das@....com>,
liuwenyu <liuwenyu7@...wei.com>, linux-kernel@...r.kernel.org,
linux-perf-users@...r.kernel.org
Subject: [PATCH v4 26/53] perf maps: Reduce scope of map_rb_node and maps internals
Avoid exposing the implementation of maps so that the internals can be
refactored.
Signed-off-by: Ian Rogers <irogers@...gle.com>
---
tools/perf/util/maps.c | 90 ++++++++++++++++++++++++++----------------
tools/perf/util/maps.h | 23 -----------
2 files changed, 55 insertions(+), 58 deletions(-)
diff --git a/tools/perf/util/maps.c b/tools/perf/util/maps.c
index 38d56709bd5e..01c15d0b300a 100644
--- a/tools/perf/util/maps.c
+++ b/tools/perf/util/maps.c
@@ -10,6 +10,11 @@
#include "ui/ui.h"
#include "unwind.h"
+struct map_rb_node {
+ struct rb_node rb_node;
+ struct map *map;
+};
+
#define maps__for_each_entry(maps, map) \
for (map = maps__first(maps); map; map = map_rb_node__next(map))
@@ -17,6 +22,56 @@
for (map = maps__first(maps), next = map_rb_node__next(map); map; \
map = next, next = map_rb_node__next(map))
+static struct rb_root *maps__entries(struct maps *maps)
+{
+ return &RC_CHK_ACCESS(maps)->entries;
+}
+
+static struct rw_semaphore *maps__lock(struct maps *maps)
+{
+ return &RC_CHK_ACCESS(maps)->lock;
+}
+
+static struct map **maps__maps_by_name(struct maps *maps)
+{
+ return RC_CHK_ACCESS(maps)->maps_by_name;
+}
+
+static struct map_rb_node *maps__first(struct maps *maps)
+{
+ struct rb_node *first = rb_first(maps__entries(maps));
+
+ if (first)
+ return rb_entry(first, struct map_rb_node, rb_node);
+ return NULL;
+}
+
+static struct map_rb_node *map_rb_node__next(struct map_rb_node *node)
+{
+ struct rb_node *next;
+
+ if (!node)
+ return NULL;
+
+ next = rb_next(&node->rb_node);
+
+ if (!next)
+ return NULL;
+
+ return rb_entry(next, struct map_rb_node, rb_node);
+}
+
+static struct map_rb_node *maps__find_node(struct maps *maps, struct map *map)
+{
+ struct map_rb_node *rb_node;
+
+ maps__for_each_entry(maps, rb_node) {
+ if (rb_node->RC_CHK_ACCESS(map) == RC_CHK_ACCESS(map))
+ return rb_node;
+ }
+ return NULL;
+}
+
static void maps__init(struct maps *maps, struct machine *machine)
{
refcount_set(maps__refcnt(maps), 1);
@@ -484,17 +539,6 @@ int maps__copy_from(struct maps *maps, struct maps *parent)
return err;
}
-struct map_rb_node *maps__find_node(struct maps *maps, struct map *map)
-{
- struct map_rb_node *rb_node;
-
- maps__for_each_entry(maps, rb_node) {
- if (rb_node->RC_CHK_ACCESS(map) == RC_CHK_ACCESS(map))
- return rb_node;
- }
- return NULL;
-}
-
struct map *maps__find(struct maps *maps, u64 ip)
{
struct rb_node *p;
@@ -520,30 +564,6 @@ struct map *maps__find(struct maps *maps, u64 ip)
return m ? m->map : NULL;
}
-struct map_rb_node *maps__first(struct maps *maps)
-{
- struct rb_node *first = rb_first(maps__entries(maps));
-
- if (first)
- return rb_entry(first, struct map_rb_node, rb_node);
- return NULL;
-}
-
-struct map_rb_node *map_rb_node__next(struct map_rb_node *node)
-{
- struct rb_node *next;
-
- if (!node)
- return NULL;
-
- next = rb_next(&node->rb_node);
-
- if (!next)
- return NULL;
-
- return rb_entry(next, struct map_rb_node, rb_node);
-}
-
static int map__strcmp(const void *a, const void *b)
{
const struct map *map_a = *(const struct map **)a;
diff --git a/tools/perf/util/maps.h b/tools/perf/util/maps.h
index 84b42c8456e8..d836d04c9402 100644
--- a/tools/perf/util/maps.h
+++ b/tools/perf/util/maps.h
@@ -15,11 +15,6 @@ struct machine;
struct map;
struct maps;
-struct map_rb_node {
- struct rb_node rb_node;
- struct map *map;
-};
-
struct map_list_node {
struct list_head node;
struct map *map;
@@ -30,9 +25,6 @@ static inline struct map_list_node *map_list_node__new(void)
return malloc(sizeof(struct map_list_node));
}
-struct map_rb_node *maps__first(struct maps *maps);
-struct map_rb_node *map_rb_node__next(struct map_rb_node *node);
-struct map_rb_node *maps__find_node(struct maps *maps, struct map *map);
struct map *maps__find(struct maps *maps, u64 addr);
DECLARE_RC_STRUCT(maps) {
@@ -78,26 +70,11 @@ int maps__for_each_map(struct maps *maps, int (*cb)(struct map *map, void *data)
/* Iterate over map removing an entry if cb returns true. */
void maps__remove_maps(struct maps *maps, bool (*cb)(struct map *map, void *data), void *data);
-static inline struct rb_root *maps__entries(struct maps *maps)
-{
- return &RC_CHK_ACCESS(maps)->entries;
-}
-
static inline struct machine *maps__machine(struct maps *maps)
{
return RC_CHK_ACCESS(maps)->machine;
}
-static inline struct rw_semaphore *maps__lock(struct maps *maps)
-{
- return &RC_CHK_ACCESS(maps)->lock;
-}
-
-static inline struct map **maps__maps_by_name(struct maps *maps)
-{
- return RC_CHK_ACCESS(maps)->maps_by_name;
-}
-
static inline unsigned int maps__nr_maps(const struct maps *maps)
{
return RC_CHK_ACCESS(maps)->nr_maps;
--
2.42.0.869.gea05f2083d-goog
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