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author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-07-20 22:45:53 +0200 |
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committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-07-20 22:45:53 +0200 |
commit | ede13d81b4dda409a6d271b34b8e2ec9383e255d (patch) | |
tree | 2e32142d5a8e076c64f1871f5ad162fffff5f357 /drivers | |
parent | Revert "sys_time() speedup" (diff) | |
parent | [CELL] spufs: rework list management and associated locking (diff) | |
download | linux-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.c | 3 | ||||
-rw-r--r-- | drivers/oprofile/event_buffer.h | 20 | ||||
-rw-r--r-- | drivers/oprofile/oprof.c | 28 |
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; |