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| author | markj <markj@FreeBSD.org> | 2014-03-18 00:55:19 +0000 |
|---|---|---|
| committer | markj <markj@FreeBSD.org> | 2014-03-18 00:55:19 +0000 |
| commit | f17aef06753c0c2a450d33045f36ef4be961011e (patch) | |
| tree | 7363d03ba3868ccf59f66b8219657062fb1a2437 | |
| parent | 437134881a4bc49d0dadada0235ad48146cd62b6 (diff) | |
| download | FreeBSD-src-f17aef06753c0c2a450d33045f36ef4be961011e.zip FreeBSD-src-f17aef06753c0c2a450d33045f36ef4be961011e.tar.gz | |
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.
| -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 048a66c..eca2ca5 100644 --- a/sys/kern/kern_sdt.c +++ b/sys/kern/kern_sdt.c @@ -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 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(); } |
