From 93ca8057c54f5408381bf851437c21158ee70efb Mon Sep 17 00:00:00 2001
From: Mitchell Horne <mhorne@FreeBSD.org>
Date: Sun, 9 Jun 2019 15:45:48 +0000
Subject: [PATCH] Add TSLOG events to initriscv()

Add the enter and exit events, similar to what's found in
hammer_time() on amd64. We must use TSRAW as the pcpu isn't yet
initialized.

Reviewed by:	markj
Approved by:	markj (mentor)
MFC after:	3 days
Differential Revision:	https://reviews.freebsd.org/D20497
---
 sys/riscv/riscv/machdep.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/sys/riscv/riscv/machdep.c b/sys/riscv/riscv/machdep.c
index 7a1850c7e307..1706464028c2 100644
--- a/sys/riscv/riscv/machdep.c
+++ b/sys/riscv/riscv/machdep.c
@@ -62,6 +62,7 @@ __FBSDID("$FreeBSD$");
 #include <sys/syscallsubr.h>
 #include <sys/sysent.h>
 #include <sys/sysproto.h>
+#include <sys/tslog.h>
 #include <sys/ucontext.h>
 
 #include <vm/vm.h>
@@ -816,6 +817,8 @@ initriscv(struct riscv_bootparams *rvbp)
 	caddr_t kmdp;
 	int i;
 
+	TSRAW(&thread0, TS_ENTER, __func__, NULL);
+
 	/* Set the pcpu data, this is needed by pmap_bootstrap */
 	pcpup = &__pcpu[0];
 	pcpu_init(pcpup, 0, sizeof(struct pcpu));
@@ -888,6 +891,8 @@ initriscv(struct riscv_bootparams *rvbp)
 	kdb_init();
 
 	early_boot = 0;
+
+	TSEXIT();
 }
 
 #undef bzero