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[RFC,v3,1/6] perf sched: sync state char array with the kernel

Message ID 20230801090124.8050-2-zegao@tencent.com (mailing list archive)
State Handled Elsewhere
Headers show
Series add to report task state in symbolic chars from sched tracepoint | expand

Commit Message

Ze Gao Aug. 1, 2023, 9:01 a.m. UTC 
update state char array and then remove unused and stale
macros, which are kernel internal representations and not
encouraged to use anymore.

this fix is for old kernels, and we will steer to newly
added symbolic char to report task state but also maintain
compatibility to not break anything.

Signed-off-by: Ze Gao <zegao@tencent.com>
---
 tools/perf/builtin-sched.c | 13 +------------
 1 file changed, 1 insertion(+), 12 deletions(-)
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Patch

diff --git a/tools/perf/builtin-sched.c b/tools/perf/builtin-sched.c
index cc4ba506e119..c0d0ad18fc76 100644
--- a/tools/perf/builtin-sched.c
+++ b/tools/perf/builtin-sched.c
@@ -92,23 +92,12 @@  struct sched_atom {
 	struct task_desc	*wakee;
 };
 
-#define TASK_STATE_TO_CHAR_STR "RSDTtZXxKWP"
+#define TASK_STATE_TO_CHAR_STR "RSDTtXZPI"
 
 /* task state bitmask, copied from include/linux/sched.h */
 #define TASK_RUNNING		0
 #define TASK_INTERRUPTIBLE	1
 #define TASK_UNINTERRUPTIBLE	2
-#define __TASK_STOPPED		4
-#define __TASK_TRACED		8
-/* in tsk->exit_state */
-#define EXIT_DEAD		16
-#define EXIT_ZOMBIE		32
-#define EXIT_TRACE		(EXIT_ZOMBIE | EXIT_DEAD)
-/* in tsk->state again */
-#define TASK_DEAD		64
-#define TASK_WAKEKILL		128
-#define TASK_WAKING		256
-#define TASK_PARKED		512
 
 enum thread_state {
 	THREAD_SLEEPING = 0,