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authorArnaldo Carvalho de Melo <acme@redhat.com>2009-12-15 20:04:39 -0200
committerIngo Molnar <mingo@elte.hu>2009-12-16 08:53:48 +0100
commit75be6cf48738aec68aac49b428423569492cfba3 (patch)
treed7f5ceb028361e8b725ba6f3b8219e66c7b89790 /tools/perf/util
parent7ef17aafc98406d01ebbf7fe98ef1332b70d20bb (diff)
perf symbols: Make symbol_conf global
This simplifies a lot of functions, less stuff to be done by tool writers. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Frédéric Weisbecker <fweisbec@gmail.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Paul Mackerras <paulus@samba.org> LKML-Reference: <1260914682-29652-1-git-send-email-acme@infradead.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'tools/perf/util')
-rw-r--r--tools/perf/util/session.c5
-rw-r--r--tools/perf/util/session.h5
-rw-r--r--tools/perf/util/symbol.c38
-rw-r--r--tools/perf/util/symbol.h9
4 files changed, 22 insertions, 35 deletions
diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index ecd54bedfb1..bceaa09f55a 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -49,8 +49,7 @@ out_close:
return -1;
}
-struct perf_session *perf_session__new(const char *filename, int mode,
- bool force, struct symbol_conf *conf)
+struct perf_session *perf_session__new(const char *filename, int mode, bool force)
{
size_t len = filename ? strlen(filename) + 1 : 0;
struct perf_session *self = zalloc(sizeof(*self) + len);
@@ -69,7 +68,7 @@ struct perf_session *perf_session__new(const char *filename, int mode,
self->cwdlen = 0;
map_groups__init(&self->kmaps);
- if (perf_session__create_kernel_maps(self, conf) < 0)
+ if (perf_session__create_kernel_maps(self) < 0)
goto out_delete;
if (mode == O_RDONLY && perf_session__open(self, force) < 0)
diff --git a/tools/perf/util/session.h b/tools/perf/util/session.h
index bdfc4b8eee7..faf18a8e031 100644
--- a/tools/perf/util/session.h
+++ b/tools/perf/util/session.h
@@ -10,7 +10,6 @@
struct ip_callchain;
struct thread;
struct symbol;
-struct symbol_conf;
struct perf_session {
struct perf_header header;
@@ -26,7 +25,6 @@ struct perf_session {
int fd;
int cwdlen;
char *cwd;
- bool use_modules;
bool use_callchain;
char filename[0];
};
@@ -48,8 +46,7 @@ struct perf_event_ops {
bool full_paths;
};
-struct perf_session *perf_session__new(const char *filename, int mode,
- bool force, struct symbol_conf *conf);
+struct perf_session *perf_session__new(const char *filename, int mode, bool force);
void perf_session__delete(struct perf_session *self);
int perf_session__process_events(struct perf_session *self,
diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index 185b9eec192..17ce01269a9 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -33,11 +33,10 @@ static void dsos__add(struct list_head *head, struct dso *dso);
static struct map *map__new2(u64 start, struct dso *dso, enum map_type type);
static int dso__load_kernel_sym(struct dso *self, struct map *map,
struct perf_session *session, symbol_filter_t filter);
-unsigned int symbol__priv_size;
static int vmlinux_path__nr_entries;
static char **vmlinux_path;
-static struct symbol_conf symbol_conf__defaults = {
+struct symbol_conf symbol_conf = {
.use_modules = true,
.try_vmlinux_path = true,
};
@@ -130,13 +129,13 @@ static void map_groups__fixup_end(struct map_groups *self)
static struct symbol *symbol__new(u64 start, u64 len, const char *name)
{
size_t namelen = strlen(name) + 1;
- struct symbol *self = zalloc(symbol__priv_size +
+ struct symbol *self = zalloc(symbol_conf.priv_size +
sizeof(*self) + namelen);
if (self == NULL)
return NULL;
- if (symbol__priv_size)
- self = ((void *)self) + symbol__priv_size;
+ if (symbol_conf.priv_size)
+ self = ((void *)self) + symbol_conf.priv_size;
self->start = start;
self->end = len ? start + len - 1 : start;
@@ -150,7 +149,7 @@ static struct symbol *symbol__new(u64 start, u64 len, const char *name)
static void symbol__delete(struct symbol *self)
{
- free(((void *)self) - symbol__priv_size);
+ free(((void *)self) - symbol_conf.priv_size);
}
static size_t symbol__fprintf(struct symbol *self, FILE *fp)
@@ -471,7 +470,7 @@ static int dso__split_kallsyms(struct dso *self, struct map *map,
module = strchr(pos->name, '\t');
if (module) {
- if (!session->use_modules)
+ if (!symbol_conf.use_modules)
goto discard_symbol;
*module++ = '\0';
@@ -1740,34 +1739,27 @@ out_fail:
return -1;
}
-int symbol__init(struct symbol_conf *conf)
+int symbol__init(void)
{
- const struct symbol_conf *pconf = conf ?: &symbol_conf__defaults;
-
elf_version(EV_CURRENT);
- symbol__priv_size = pconf->priv_size;
- if (pconf->sort_by_name)
- symbol__priv_size += (sizeof(struct symbol_name_rb_node) -
- sizeof(struct symbol));
+ if (symbol_conf.sort_by_name)
+ symbol_conf.priv_size += (sizeof(struct symbol_name_rb_node) -
+ sizeof(struct symbol));
- if (pconf->try_vmlinux_path && vmlinux_path__init() < 0)
+ if (symbol_conf.try_vmlinux_path && vmlinux_path__init() < 0)
return -1;
return 0;
}
-int perf_session__create_kernel_maps(struct perf_session *self,
- struct symbol_conf *conf)
+int perf_session__create_kernel_maps(struct perf_session *self)
{
- const struct symbol_conf *pconf = conf ?: &symbol_conf__defaults;
-
if (map_groups__create_kernel_maps(&self->kmaps,
- pconf->vmlinux_name) < 0)
+ symbol_conf.vmlinux_name) < 0)
return -1;
- self->use_modules = pconf->use_modules;
-
- if (pconf->use_modules && perf_session__create_module_maps(self) < 0)
+ if (symbol_conf.use_modules &&
+ perf_session__create_module_maps(self) < 0)
pr_debug("Failed to load list of modules for session %s, "
"continuing...\n", self->filename);
/*
diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h
index 941ef331790..766294735f9 100644
--- a/tools/perf/util/symbol.h
+++ b/tools/perf/util/symbol.h
@@ -57,11 +57,11 @@ struct symbol_conf {
const char *vmlinux_name;
};
-extern unsigned int symbol__priv_size;
+extern struct symbol_conf symbol_conf;
static inline void *symbol__priv(struct symbol *self)
{
- return ((void *)self) - symbol__priv_size;
+ return ((void *)self) - symbol_conf.priv_size;
}
struct addr_location {
@@ -119,9 +119,8 @@ int sysfs__read_build_id(const char *filename, void *bf, size_t size);
bool dsos__read_build_ids(void);
int build_id__sprintf(u8 *self, int len, char *bf);
-int symbol__init(struct symbol_conf *conf);
-int perf_session__create_kernel_maps(struct perf_session *self,
- struct symbol_conf *conf);
+int symbol__init(void);
+int perf_session__create_kernel_maps(struct perf_session *self);
extern struct list_head dsos__user, dsos__kernel;
extern struct dso *vdso;