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Date: Wed, 12 Aug 2009 11:26:02 +0200
From: Frederic Weisbecker <fweisbec@...il.com>
To: Ingo Molnar <mingo@...e.hu>
Cc: LKML <linux-kernel@...r.kernel.org>,
Frederic Weisbecker <fweisbec@...il.com>,
Arnaldo Carvalho de Melo <acme@...hat.com>,
Peter Zijlstra <peterz@...radead.org>,
Mike Galbraith <efault@....de>,
Brice Goglin <Brice.Goglin@...ia.fr>
Subject: [PATCH 3/3] perf tools: Factorize the map helpers
Factorize the dso mapping helpers into a single purpose common file
"util/map.c"
Signed-off-by: Frederic Weisbecker <fweisbec@...il.com>
Cc: Arnaldo Carvalho de Melo <acme@...hat.com>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Mike Galbraith <efault@....de>
Cc: Brice Goglin <Brice.Goglin@...ia.fr>
---
tools/perf/Makefile | 1 +
tools/perf/builtin-annotate.c | 79 +--------------------------
tools/perf/builtin-record.c | 1 +
tools/perf/builtin-report.c | 124 ++---------------------------------------
tools/perf/util/callchain.h | 1 +
tools/perf/util/event.h | 30 ++++++++++
tools/perf/util/map.c | 97 ++++++++++++++++++++++++++++++++
tools/perf/util/symbol.h | 1 +
tools/perf/util/util.h | 1 -
9 files changed, 137 insertions(+), 198 deletions(-)
create mode 100644 tools/perf/util/map.c
diff --git a/tools/perf/Makefile b/tools/perf/Makefile
index 2aee21b..f4d868c 100644
--- a/tools/perf/Makefile
+++ b/tools/perf/Makefile
@@ -340,6 +340,7 @@ LIB_OBJS += util/header.o
LIB_OBJS += util/callchain.o
LIB_OBJS += util/values.o
LIB_OBJS += util/debug.o
+LIB_OBJS += util/event.o
BUILTIN_OBJS += builtin-annotate.o
BUILTIN_OBJS += builtin-help.o
diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c
index fee663a..543c452 100644
--- a/tools/perf/builtin-annotate.c
+++ b/tools/perf/builtin-annotate.c
@@ -51,83 +51,6 @@ struct sym_ext {
char *path;
};
-struct map {
- struct list_head node;
- u64 start;
- u64 end;
- u64 pgoff;
- u64 (*map_ip)(struct map *, u64);
- struct dso *dso;
-};
-
-static u64 map__map_ip(struct map *map, u64 ip)
-{
- return ip - map->start + map->pgoff;
-}
-
-static u64 vdso__map_ip(struct map *map __used, u64 ip)
-{
- return ip;
-}
-
-static struct map *map__new(struct mmap_event *event)
-{
- struct map *self = malloc(sizeof(*self));
-
- if (self != NULL) {
- const char *filename = event->filename;
-
- self->start = event->start;
- self->end = event->start + event->len;
- self->pgoff = event->pgoff;
-
- self->dso = dsos__findnew(filename);
- if (self->dso == NULL)
- goto out_delete;
-
- if (self->dso == vdso)
- self->map_ip = vdso__map_ip;
- else
- self->map_ip = map__map_ip;
- }
- return self;
-out_delete:
- free(self);
- return NULL;
-}
-
-static struct map *map__clone(struct map *self)
-{
- struct map *map = malloc(sizeof(*self));
-
- if (!map)
- return NULL;
-
- memcpy(map, self, sizeof(*self));
-
- return map;
-}
-
-static int map__overlap(struct map *l, struct map *r)
-{
- if (l->start > r->start) {
- struct map *t = l;
- l = r;
- r = t;
- }
-
- if (l->end > r->start)
- return 1;
-
- return 0;
-}
-
-static size_t map__fprintf(struct map *self, FILE *fp)
-{
- return fprintf(fp, " %Lx-%Lx %Lx %s\n",
- self->start, self->end, self->pgoff, self->dso->name);
-}
-
struct thread {
struct rb_node rb_node;
@@ -797,7 +720,7 @@ static int
process_mmap_event(event_t *event, unsigned long offset, unsigned long head)
{
struct thread *thread = threads__findnew(event->mmap.pid);
- struct map *map = map__new(&event->mmap);
+ struct map *map = map__new(&event->mmap, NULL, 0);
dprintf("%p [%p]: PERF_EVENT_MMAP %d: [%p(%p) @ %p]: %s\n",
(void *)(offset + head),
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index 718b8f7..106c6ab 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -15,6 +15,7 @@
#include "util/string.h"
#include "util/header.h"
+#include "util/event.h"
#include <unistd.h>
#include <sched.h>
diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index 1efefcc..93945ec 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -67,6 +67,10 @@ static char callchain_default_opt[] = "fractal,0.5";
static int callchain;
+static char __cwd[PATH_MAX];
+static char *cwd = __cwd;
+static int cwdlen;
+
static
struct callchain_param callchain_param = {
.mode = CHAIN_GRAPH_REL,
@@ -102,124 +106,6 @@ static int repsep_fprintf(FILE *fp, const char *fmt, ...)
return n;
}
-
-
-static char __cwd[PATH_MAX];
-static char *cwd = __cwd;
-static int cwdlen;
-
-static int strcommon(const char *pathname)
-{
- int n = 0;
-
- while (n < cwdlen && pathname[n] == cwd[n])
- ++n;
-
- return n;
-}
-
-struct map {
- struct list_head node;
- u64 start;
- u64 end;
- u64 pgoff;
- u64 (*map_ip)(struct map *, u64);
- struct dso *dso;
-};
-
-static u64 map__map_ip(struct map *map, u64 ip)
-{
- return ip - map->start + map->pgoff;
-}
-
-static u64 vdso__map_ip(struct map *map __used, u64 ip)
-{
- return ip;
-}
-
-static inline int is_anon_memory(const char *filename)
-{
- return strcmp(filename, "//anon") == 0;
-}
-
-static struct map *map__new(struct mmap_event *event)
-{
- struct map *self = malloc(sizeof(*self));
-
- if (self != NULL) {
- const char *filename = event->filename;
- char newfilename[PATH_MAX];
- int anon;
-
- if (cwd) {
- int n = strcommon(filename);
-
- if (n == cwdlen) {
- snprintf(newfilename, sizeof(newfilename),
- ".%s", filename + n);
- filename = newfilename;
- }
- }
-
- anon = is_anon_memory(filename);
-
- if (anon) {
- snprintf(newfilename, sizeof(newfilename), "/tmp/perf-%d.map", event->pid);
- filename = newfilename;
- }
-
- self->start = event->start;
- self->end = event->start + event->len;
- self->pgoff = event->pgoff;
-
- self->dso = dsos__findnew(filename);
- if (self->dso == NULL)
- goto out_delete;
-
- if (self->dso == vdso || anon)
- self->map_ip = vdso__map_ip;
- else
- self->map_ip = map__map_ip;
- }
- return self;
-out_delete:
- free(self);
- return NULL;
-}
-
-static struct map *map__clone(struct map *self)
-{
- struct map *map = malloc(sizeof(*self));
-
- if (!map)
- return NULL;
-
- memcpy(map, self, sizeof(*self));
-
- return map;
-}
-
-static int map__overlap(struct map *l, struct map *r)
-{
- if (l->start > r->start) {
- struct map *t = l;
- l = r;
- r = t;
- }
-
- if (l->end > r->start)
- return 1;
-
- return 0;
-}
-
-static size_t map__fprintf(struct map *self, FILE *fp)
-{
- return fprintf(fp, " %Lx-%Lx %Lx %s\n",
- self->start, self->end, self->pgoff, self->dso->name);
-}
-
-
struct thread {
struct rb_node rb_node;
struct list_head maps;
@@ -1474,7 +1360,7 @@ static int
process_mmap_event(event_t *event, unsigned long offset, unsigned long head)
{
struct thread *thread = threads__findnew(event->mmap.pid);
- struct map *map = map__new(&event->mmap);
+ struct map *map = map__new(&event->mmap, cwd, cwdlen);
dprintf("%p [%p]: PERF_EVENT_MMAP %d: [%p(%p) @ %p]: %s\n",
(void *)(offset + head),
diff --git a/tools/perf/util/callchain.h b/tools/perf/util/callchain.h
index a926ae4..43cf3ea 100644
--- a/tools/perf/util/callchain.h
+++ b/tools/perf/util/callchain.h
@@ -4,6 +4,7 @@
#include "../perf.h"
#include <linux/list.h>
#include <linux/rbtree.h>
+#include "util.h"
#include "symbol.h"
enum chain_mode {
diff --git a/tools/perf/util/event.h b/tools/perf/util/event.h
index 91e2fe5..d26dc88 100644
--- a/tools/perf/util/event.h
+++ b/tools/perf/util/event.h
@@ -1,4 +1,8 @@
+#ifndef __PERF_EVENT_H
+#define __PERF_EVENT_H
#include "../perf.h"
+#include "util.h"
+#include <linux/list.h>
struct ip_event {
struct perf_event_header header;
@@ -52,3 +56,29 @@ typedef union event_union {
struct lost_event lost;
struct read_event read;
} event_t;
+
+struct map {
+ struct list_head node;
+ u64 start;
+ u64 end;
+ u64 pgoff;
+ u64 (*map_ip)(struct map *, u64);
+ struct dso *dso;
+};
+
+static inline u64 map__map_ip(struct map *map, u64 ip)
+{
+ return ip - map->start + map->pgoff;
+}
+
+static inline u64 vdso__map_ip(struct map *map __used, u64 ip)
+{
+ return ip;
+}
+
+struct map *map__new(struct mmap_event *event, char *cwd, int cwdlen);
+struct map *map__clone(struct map *self);
+int map__overlap(struct map *l, struct map *r);
+size_t map__fprintf(struct map *self, FILE *fp);
+
+#endif
diff --git a/tools/perf/util/map.c b/tools/perf/util/map.c
new file mode 100644
index 0000000..804e023
--- /dev/null
+++ b/tools/perf/util/map.c
@@ -0,0 +1,97 @@
+#include "event.h"
+#include "symbol.h"
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+
+static inline int is_anon_memory(const char *filename)
+{
+ return strcmp(filename, "//anon") == 0;
+}
+
+static int strcommon(const char *pathname, char *cwd, int cwdlen)
+{
+ int n = 0;
+
+ while (n < cwdlen && pathname[n] == cwd[n])
+ ++n;
+
+ return n;
+}
+
+ struct map *map__new(struct mmap_event *event, char *cwd, int cwdlen)
+{
+ struct map *self = malloc(sizeof(*self));
+
+ if (self != NULL) {
+ const char *filename = event->filename;
+ char newfilename[PATH_MAX];
+ int anon;
+
+ if (cwd) {
+ int n = strcommon(filename, cwd, cwdlen);
+
+ if (n == cwdlen) {
+ snprintf(newfilename, sizeof(newfilename),
+ ".%s", filename + n);
+ filename = newfilename;
+ }
+ }
+
+ anon = is_anon_memory(filename);
+
+ if (anon) {
+ snprintf(newfilename, sizeof(newfilename), "/tmp/perf-%d.map", event->pid);
+ filename = newfilename;
+ }
+
+ self->start = event->start;
+ self->end = event->start + event->len;
+ self->pgoff = event->pgoff;
+
+ self->dso = dsos__findnew(filename);
+ if (self->dso == NULL)
+ goto out_delete;
+
+ if (self->dso == vdso || anon)
+ self->map_ip = vdso__map_ip;
+ else
+ self->map_ip = map__map_ip;
+ }
+ return self;
+out_delete:
+ free(self);
+ return NULL;
+}
+
+struct map *map__clone(struct map *self)
+{
+ struct map *map = malloc(sizeof(*self));
+
+ if (!map)
+ return NULL;
+
+ memcpy(map, self, sizeof(*self));
+
+ return map;
+}
+
+int map__overlap(struct map *l, struct map *r)
+{
+ if (l->start > r->start) {
+ struct map *t = l;
+ l = r;
+ r = t;
+ }
+
+ if (l->end > r->start)
+ return 1;
+
+ return 0;
+}
+
+size_t map__fprintf(struct map *self, FILE *fp)
+{
+ return fprintf(fp, " %Lx-%Lx %Lx %s\n",
+ self->start, self->end, self->pgoff, self->dso->name);
+}
diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h
index f3490fc..50f7235 100644
--- a/tools/perf/util/symbol.h
+++ b/tools/perf/util/symbol.h
@@ -6,6 +6,7 @@
#include <linux/list.h>
#include <linux/rbtree.h>
#include "module.h"
+#include "event.h"
struct symbol {
struct rb_node rb_node;
diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h
index be4b52c..d61a6f0 100644
--- a/tools/perf/util/util.h
+++ b/tools/perf/util/util.h
@@ -83,7 +83,6 @@
#include <inttypes.h>
#include "../../../include/linux/magic.h"
-#include "event.h"
#ifndef NO_ICONV
#include <iconv.h>
--
1.6.2.3
--
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