git: 40fdda022a16 - main - dtrace: correct profile aframes value for riscv

From: Mitchell Horne <mhorne_at_FreeBSD.org>
Date: Thu, 12 Jan 2023 15:06:55 UTC
The branch main has been updated by mhorne:

URL: https://cgit.FreeBSD.org/src/commit/?id=40fdda022a16ec1a5ec18e7111a8cb8c147aefaf

commit 40fdda022a16ec1a5ec18e7111a8cb8c147aefaf
Author:     Mitchell Horne <mhorne@FreeBSD.org>
AuthorDate: 2023-01-11 18:06:17 +0000
Commit:     Mitchell Horne <mhorne@FreeBSD.org>
CommitDate: 2023-01-12 15:06:07 +0000

    dtrace: correct profile aframes value for riscv
    
    Experimentation shows this is the correct value; the dtrace/interrupt
    handler frames are omitted, while the backtrace of the active thread is
    recorded in its entirety.
    
    Reviewed by:    markj
    MFC after:      1 week
    Sponsored by:   The FreeBSD Foundation
    Differential Revision:  https://reviews.freebsd.org/D37662
---
 sys/cddl/dev/profile/profile.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/sys/cddl/dev/profile/profile.c b/sys/cddl/dev/profile/profile.c
index ce9ba591ebb7..57793d116283 100644
--- a/sys/cddl/dev/profile/profile.c
+++ b/sys/cddl/dev/profile/profile.c
@@ -115,8 +115,7 @@ struct profile_probe_percpu;
 #endif
 
 #ifdef __riscv
-/* TODO: verify */
-#define	PROF_ARTIFICIAL_FRAMES	10
+#define	PROF_ARTIFICIAL_FRAMES	12
 #endif
 
 typedef struct profile_probe {