git: 9409e8698030 - main - kern/sched: deduplicate sdt probes

The branch main has been updated by kib:

URL: https://cgit.FreeBSD.org/src/commit/?id=9409e86980302cd495376861de3475b78734bc37

commit 9409e86980302cd495376861de3475b78734bc37
Author:     Konstantin Belousov <kib@FreeBSD.org>
AuthorDate: 2026-01-24 06:16:42 +0000
Commit:     Konstantin Belousov <kib@FreeBSD.org>
CommitDate: 2026-01-29 18:11:56 +0000

    kern/sched: deduplicate sdt probes
    
    Tested by:      pho
    Sponsored by:   The FreeBSD Foundation
    MFC after:      1 week
    Differential revision:  https://reviews.freebsd.org/D54831
---
 sys/kern/sched_4bsd.c | 18 ------------------
 sys/kern/sched_shim.c | 18 ++++++++++++++++++
 sys/kern/sched_ule.c  | 18 ------------------
 sys/sys/sched.h       | 11 +++++++++++
 4 files changed, 29 insertions(+), 36 deletions(-)

diff --git a/sys/kern/sched_4bsd.c b/sys/kern/sched_4bsd.c
index 55a70885ee28..57d6f87a4dce 100644
--- a/sys/kern/sched_4bsd.c
+++ b/sys/kern/sched_4bsd.c
@@ -263,24 +263,6 @@ SYSCTL_INT(_kern_sched_4bsd, OID_AUTO, followon, CTLFLAG_RW,
 	   "allow threads to share a quantum");
 #endif
 
-SDT_PROVIDER_DEFINE(sched);
-
-SDT_PROBE_DEFINE3(sched, , , change__pri, "struct thread *", 
-    "struct proc *", "uint8_t");
-SDT_PROBE_DEFINE3(sched, , , dequeue, "struct thread *", 
-    "struct proc *", "void *");
-SDT_PROBE_DEFINE4(sched, , , enqueue, "struct thread *", 
-    "struct proc *", "void *", "int");
-SDT_PROBE_DEFINE4(sched, , , lend__pri, "struct thread *", 
-    "struct proc *", "uint8_t", "struct thread *");
-SDT_PROBE_DEFINE2(sched, , , load__change, "int", "int");
-SDT_PROBE_DEFINE2(sched, , , off__cpu, "struct thread *",
-    "struct proc *");
-SDT_PROBE_DEFINE(sched, , , on__cpu);
-SDT_PROBE_DEFINE(sched, , , remain__cpu);
-SDT_PROBE_DEFINE2(sched, , , surrender, "struct thread *",
-    "struct proc *");
-
 static __inline void
 sched_load_add(void)
 {
diff --git a/sys/kern/sched_shim.c b/sys/kern/sched_shim.c
index 9d96c1a2d550..4f000d8ace0c 100644
--- a/sys/kern/sched_shim.c
+++ b/sys/kern/sched_shim.c
@@ -102,6 +102,24 @@ SCHED_STAT_DEFINE(ithread_demotions, "Interrupt thread priority demotions");
 SCHED_STAT_DEFINE(ithread_preemptions,
     "Interrupt thread preemptions due to time-sharing");
 
+SDT_PROVIDER_DEFINE(sched);
+
+SDT_PROBE_DEFINE3(sched, , , change__pri, "struct thread *",
+    "struct proc *", "uint8_t");
+SDT_PROBE_DEFINE3(sched, , , dequeue, "struct thread *",
+    "struct proc *", "void *");
+SDT_PROBE_DEFINE4(sched, , , enqueue, "struct thread *",
+    "struct proc *", "void *", "int");
+SDT_PROBE_DEFINE4(sched, , , lend__pri, "struct thread *",
+    "struct proc *", "uint8_t", "struct thread *");
+SDT_PROBE_DEFINE2(sched, , , load__change, "int", "int");
+SDT_PROBE_DEFINE2(sched, , , off__cpu, "struct thread *",
+    "struct proc *");
+SDT_PROBE_DEFINE(sched, , , on__cpu);
+SDT_PROBE_DEFINE(sched, , , remain__cpu);
+SDT_PROBE_DEFINE2(sched, , , surrender, "struct thread *",
+    "struct proc *");
+
 static char sched_name[32] = "ULE";
 
 SET_DECLARE(sched_instance_set, struct sched_selection);
diff --git a/sys/kern/sched_ule.c b/sys/kern/sched_ule.c
index 201d9c33dda7..33a578814e0e 100644
--- a/sys/kern/sched_ule.c
+++ b/sys/kern/sched_ule.c
@@ -409,24 +409,6 @@ static int sysctl_kern_sched_ule_topology_spec_internal(struct sbuf *sb,
     struct cpu_group *cg, int indent);
 #endif
 
-SDT_PROVIDER_DEFINE(sched);
-
-SDT_PROBE_DEFINE3(sched, , , change__pri, "struct thread *", 
-    "struct proc *", "uint8_t");
-SDT_PROBE_DEFINE3(sched, , , dequeue, "struct thread *", 
-    "struct proc *", "void *");
-SDT_PROBE_DEFINE4(sched, , , enqueue, "struct thread *", 
-    "struct proc *", "void *", "int");
-SDT_PROBE_DEFINE4(sched, , , lend__pri, "struct thread *", 
-    "struct proc *", "uint8_t", "struct thread *");
-SDT_PROBE_DEFINE2(sched, , , load__change, "int", "int");
-SDT_PROBE_DEFINE2(sched, , , off__cpu, "struct thread *", 
-    "struct proc *");
-SDT_PROBE_DEFINE(sched, , , on__cpu);
-SDT_PROBE_DEFINE(sched, , , remain__cpu);
-SDT_PROBE_DEFINE2(sched, , , surrender, "struct thread *", 
-    "struct proc *");
-
 /*
  * Print the threads waiting on a run-queue.
  */
diff --git a/sys/sys/sched.h b/sys/sys/sched.h
index bc8022084de3..e4bd5211c1ae 100644
--- a/sys/sys/sched.h
+++ b/sys/sys/sched.h
@@ -69,6 +69,7 @@
 #include <sys/pcpu.h>
 #endif
 #include <sys/linker_set.h>
+#include <sys/sdt.h>
 
 struct proc;
 struct thread;
@@ -234,6 +235,16 @@ SYSINIT(name, SI_SUB_LAST, SI_ORDER_MIDDLE, name ## _add_proc, NULL);
 SCHED_STAT_DECLARE(ithread_demotions);
 SCHED_STAT_DECLARE(ithread_preemptions);
 
+SDT_PROBE_DECLARE(sched, , , change__pri);
+SDT_PROBE_DECLARE(sched, , , dequeue);
+SDT_PROBE_DECLARE(sched, , , enqueue);
+SDT_PROBE_DECLARE(sched, , , lend__pri);
+SDT_PROBE_DECLARE(sched, , , load__change);
+SDT_PROBE_DECLARE(sched, , , off__cpu);
+SDT_PROBE_DECLARE(sched, , , on__cpu);
+SDT_PROBE_DECLARE(sched, , , remain__cpu);
+SDT_PROBE_DECLARE(sched, , , surrender);
+
 /*
  * Fixup scheduler state for proc0 and thread0
  */