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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-20 22:45:53 +0200
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-20 22:45:53 +0200
commitede13d81b4dda409a6d271b34b8e2ec9383e255d (patch)
tree2e32142d5a8e076c64f1871f5ad162fffff5f357 /drivers
parentRevert "sys_time() speedup" (diff)
parent[CELL] spufs: rework list management and associated locking (diff)
downloadlinux-ede13d81b4dda409a6d271b34b8e2ec9383e255d.tar.xz
linux-ede13d81b4dda409a6d271b34b8e2ec9383e255d.zip
Merge branch 'for-2.6.23' of master.kernel.org:/pub/scm/linux/kernel/git/arnd/cell-2.6
* 'for-2.6.23' of master.kernel.org:/pub/scm/linux/kernel/git/arnd/cell-2.6: (37 commits) [CELL] spufs: rework list management and associated locking [CELL] oprofile: add support to OProfile for profiling CELL BE SPUs [CELL] oprofile: enable SPU switch notification to detect currently active SPU tasks [CELL] spu_base: locking cleanup [CELL] cell: indexing of SPUs based on firmware vicinity properties [CELL] spufs: integration of SPE affinity with the scheduller [CELL] cell: add placement computation for scheduling of affinity contexts [CELL] spufs: extension of spu_create to support affinity definition [CELL] cell: add hardcoded spu vicinity information for QS20 [CELL] cell: add vicinity information on spus [CELL] cell: add per BE structure with info about its SPUs [CELL] spufs: use find_first_bit() instead of sched_find_first_bit() [CELL] spufs: remove unused file argument from spufs_run_spu() [CELL] spufs: change decrementer restore timing [CELL] spufs: dont halt decrementer at restore step 47 [CELL] spufs: limit saving MFC_CNTL bits [CELL] spufs: fix read and write for decr_status file [CELL] spufs: fix decr_status meanings [CELL] spufs: remove needless context save/restore code [CELL] spufs: fix array size of channel index ...
Diffstat (limited to 'drivers')
-rw-r--r--drivers/oprofile/buffer_sync.c3
-rw-r--r--drivers/oprofile/event_buffer.h20
-rw-r--r--drivers/oprofile/oprof.c28
3 files changed, 31 insertions, 20 deletions
diff --git a/drivers/oprofile/buffer_sync.c b/drivers/oprofile/buffer_sync.c
index edd6de995726..8134c7e198a5 100644
--- a/drivers/oprofile/buffer_sync.c
+++ b/drivers/oprofile/buffer_sync.c
@@ -26,8 +26,9 @@
#include <linux/profile.h>
#include <linux/module.h>
#include <linux/fs.h>
+#include <linux/oprofile.h>
#include <linux/sched.h>
-
+
#include "oprofile_stats.h"
#include "event_buffer.h"
#include "cpu_buffer.h"
diff --git a/drivers/oprofile/event_buffer.h b/drivers/oprofile/event_buffer.h
index 9b6a4ebd03e3..5076ed1ebd8f 100644
--- a/drivers/oprofile/event_buffer.h
+++ b/drivers/oprofile/event_buffer.h
@@ -19,28 +19,10 @@ void free_event_buffer(void);
/* wake up the process sleeping on the event file */
void wake_up_buffer_waiter(void);
-
-/* Each escaped entry is prefixed by ESCAPE_CODE
- * then one of the following codes, then the
- * relevant data.
- */
-#define ESCAPE_CODE ~0UL
-#define CTX_SWITCH_CODE 1
-#define CPU_SWITCH_CODE 2
-#define COOKIE_SWITCH_CODE 3
-#define KERNEL_ENTER_SWITCH_CODE 4
-#define KERNEL_EXIT_SWITCH_CODE 5
-#define MODULE_LOADED_CODE 6
-#define CTX_TGID_CODE 7
-#define TRACE_BEGIN_CODE 8
-#define TRACE_END_CODE 9
-
+
#define INVALID_COOKIE ~0UL
#define NO_COOKIE 0UL
-/* add data to the event buffer */
-void add_event_entry(unsigned long data);
-
extern const struct file_operations event_buffer_fops;
/* mutex between sync_cpu_buffers() and the
diff --git a/drivers/oprofile/oprof.c b/drivers/oprofile/oprof.c
index e5162a64018b..2c645170f06e 100644
--- a/drivers/oprofile/oprof.c
+++ b/drivers/oprofile/oprof.c
@@ -53,9 +53,24 @@ int oprofile_setup(void)
* us missing task deaths and eventually oopsing
* when trying to process the event buffer.
*/
+ if (oprofile_ops.sync_start) {
+ int sync_ret = oprofile_ops.sync_start();
+ switch (sync_ret) {
+ case 0:
+ goto post_sync;
+ case 1:
+ goto do_generic;
+ case -1:
+ goto out3;
+ default:
+ goto out3;
+ }
+ }
+do_generic:
if ((err = sync_start()))
goto out3;
+post_sync:
is_setup = 1;
mutex_unlock(&start_mutex);
return 0;
@@ -118,7 +133,20 @@ out:
void oprofile_shutdown(void)
{
mutex_lock(&start_mutex);
+ if (oprofile_ops.sync_stop) {
+ int sync_ret = oprofile_ops.sync_stop();
+ switch (sync_ret) {
+ case 0:
+ goto post_sync;
+ case 1:
+ goto do_generic;
+ default:
+ goto post_sync;
+ }
+ }
+do_generic:
sync_stop();
+post_sync:
if (oprofile_ops.shutdown)
oprofile_ops.shutdown();
is_setup = 0;