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| author | markj <markj@FreeBSD.org> | 2014-02-22 01:41:45 +0000 |
|---|---|---|
| committer | markj <markj@FreeBSD.org> | 2014-02-22 01:41:45 +0000 |
| commit | 19ec16208eafdd68268f64600376a8fe6b5ff4d2 (patch) | |
| tree | 516063fdf2f6c7dff6573fe114aa5647905da901 | |
| parent | 82dd8026220ee755d559cd8da9da2de16fc9348d (diff) | |
| download | FreeBSD-src-19ec16208eafdd68268f64600376a8fe6b5ff4d2.zip FreeBSD-src-19ec16208eafdd68268f64600376a8fe6b5ff4d2.tar.gz | |
Print a backtrace if the SDT(9) stub gets called so that there's at least
some hope of figuring out how it happened.
Suggested by: rstone
MFC after: 1 week
| -rw-r--r-- | sys/kern/kern_sdt.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/sys/kern/kern_sdt.c b/sys/kern/kern_sdt.c index 845d95b..5191a88 100644 --- a/sys/kern/kern_sdt.c +++ b/sys/kern/kern_sdt.c @@ -27,6 +27,7 @@ #include <sys/param.h> #include <sys/systm.h> +#include <sys/kdb.h> #include <sys/sdt.h> SDT_PROVIDER_DEFINE(sdt); @@ -47,5 +48,6 @@ sdt_probe_stub(uint32_t id, uintptr_t arg0, uintptr_t arg1, 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(); } |
