renegade-project/linux-next
2
0
Fork 0
mirror of https://github.com/edk2-porting/linux-next.git synced 2024-12-17 09:43:59 +08:00
Code

perf tools: Add global list of opened dso objects

Browse Source 
Adding global list of opened dso objects, so we can
track them and use the list for caching dso data file
descriptors.

Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jean Pihet <jean.pihet@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1401892622-30848-5-git-send-email-jolsa@kernel.org
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
This commit is contained in:
Jiri Olsa 2014-04-30 15:00:59 +02:00
parent 53fa8eaa09
commit eba5102d2f
2 changed files with 40 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

41
tools/perf/util/dso.c
View File

@ -136,7 +136,22 @@ int dso__read_binary_type_filename(const struct dso *dso,
return ret;
}
static int open_dso(struct dso *dso, struct machine *machine)
/*
* Global list of open DSOs.
*/
static LIST_HEAD(dso__data_open);
static void dso__list_add(struct dso *dso)
{
list_add_tail(&dso->data.open_entry, &dso__data_open);
}
static void dso__list_del(struct dso *dso)
{
list_del(&dso->data.open_entry);
}
static int __open_dso(struct dso *dso, struct machine *machine)
{
int fd;
char *root_dir = (char *)"";
@ -159,14 +174,35 @@ static int open_dso(struct dso *dso, struct machine *machine)
return fd;
}
void dso__data_close(struct dso *dso)
static int open_dso(struct dso *dso, struct machine *machine)
{
int fd = __open_dso(dso, machine);
if (fd > 0)
dso__list_add(dso);
return fd;
}
static void close_data_fd(struct dso *dso)
{
if (dso->data.fd >= 0) {
close(dso->data.fd);
dso->data.fd = -1;
dso__list_del(dso);
}
}
static void close_dso(struct dso *dso)
{
close_data_fd(dso);
}
void dso__data_close(struct dso *dso)
{
close_dso(dso);
}
int dso__data_fd(struct dso *dso, struct machine *machine)
{
enum dso_binary_type binary_type_data[] = {
@ -499,6 +535,7 @@ struct dso *dso__new(const char *name)
dso->kernel = DSO_TYPE_USER;
dso->needs_swap = DSO_SWAP__UNSET;
INIT_LIST_HEAD(&dso->node);
INIT_LIST_HEAD(&dso->data.open_entry);
}
return dso;

1
tools/perf/util/dso.h
View File

@ -103,6 +103,7 @@ struct dso {
struct {
struct rb_root cache;
int fd;
struct list_head open_entry;
} data;
char name[0];