[src/trunk]: src/sys/dev/tprof tprof_armv7 initializes on each CPUs, like tpr...

[ryo <ryo%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/ebde77086a75
branches:  trunk
changeset: 372477:ebde77086a75
user:      ryo <ryo%NetBSD.org@localhost>
date:      Thu Dec 01 00:29:51 2022 +0000

description:
tprof_armv7 initializes on each CPUs, like tprof_armv8.

diffstat:

 sys/dev/tprof/tprof_armv7.c |  15 +++++++++++----
 1 files changed, 11 insertions(+), 4 deletions(-)

diffs (43 lines):

diff -r b6cb1756dd58 -r ebde77086a75 sys/dev/tprof/tprof_armv7.c
--- a/sys/dev/tprof/tprof_armv7.c       Thu Dec 01 00:29:10 2022 +0000
+++ b/sys/dev/tprof/tprof_armv7.c       Thu Dec 01 00:29:51 2022 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: tprof_armv7.c,v 1.8 2022/12/01 00:29:10 ryo Exp $ */
+/* $NetBSD: tprof_armv7.c,v 1.9 2022/12/01 00:29:51 ryo Exp $ */
 
 /*-
  * Copyright (c) 2018 Jared McNeill <jmcneill%invisible.ca@localhost>
@@ -27,7 +27,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: tprof_armv7.c,v 1.8 2022/12/01 00:29:10 ryo Exp $");
+__KERNEL_RCSID(0, "$NetBSD: tprof_armv7.c,v 1.9 2022/12/01 00:29:51 ryo Exp $");
 
 #include <sys/param.h>
 #include <sys/bus.h>
@@ -258,8 +258,8 @@
        return 1;
 }
 
-int
-armv7_pmu_init(void)
+static void
+armv7_pmu_init_cpu(void *arg1, void *arg2)
 {
        /* Disable user mode access to performance monitors */
        armreg_pmuserenr_write(0);
@@ -269,6 +269,13 @@
 
        /* Disable counters */
        armreg_pmcntenclr_write(PMCNTEN_P);
+}
+
+int
+armv7_pmu_init(void)
+{
+       uint64_t xc = xc_broadcast(0, armv7_pmu_init_cpu, NULL, NULL);
+       xc_wait(xc);
 
        return tprof_backend_register("tprof_armv7", &tprof_armv7_pmu_ops,
            TPROF_BACKEND_VERSION);