Author: markj
Date: Tue Mar 18 00:55:19 2014
New Revision: 263283
URL: http://svnweb.freebsd.org/changeset/base/263283
Log:
MFC r262325:
Print a backtrace if the SDT(9) stub gets called so that there's at least
some hope of figuring out how it happened.
Modified:
stable/10/sys/kern/kern_sdt.c
Directory Properties:
stable/10/ (props changed)
Modified: stable/10/sys/kern/kern_sdt.c
==============================================================================
--- stable/10/sys/kern/kern_sdt.c Tue Mar 18 00:38:36 2014
(r263282)
+++ stable/10/sys/kern/kern_sdt.c Tue Mar 18 00:55:19 2014
(r263283)
@@ -29,6 +29,7 @@
#include <sys/param.h>
#include <sys/systm.h>
+#include <sys/kdb.h>
#include <sys/sdt.h>
SDT_PROVIDER_DEFINE(sdt);
@@ -49,5 +50,6 @@ sdt_probe_stub(uint32_t id, uintptr_t ar
uintptr_t arg2, uintptr_t arg3, uintptr_t arg4)
{
- printf("sdt_probe_stub: Why did this get called?\n");
+ printf("sdt_probe_stub: unexpectedly called\n");
+ kdb_backtrace();
}
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