Add a thread flag to activate system-wide syscall tracing.
Signed-off-by: Mathieu Desnoyers <[email protected]>
---
include/asm-alpha/thread_info.h | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
Index: linux-2.6-lttng/include/asm-alpha/thread_info.h
===================================================================
--- linux-2.6-lttng.orig/include/asm-alpha/thread_info.h 2007-11-13 09:25:26.000000000 -0500
+++ linux-2.6-lttng/include/asm-alpha/thread_info.h 2007-11-13 09:49:39.000000000 -0500
@@ -76,19 +76,21 @@ register struct thread_info *__current_t
#define TIF_UAC_SIGBUS 7
#define TIF_MEMDIE 8
#define TIF_RESTORE_SIGMASK 9 /* restore signal mask in do_signal */
+#define TIF_KERNEL_TRACE 10 /* Kernel tracing of syscalls */
#define _TIF_SYSCALL_TRACE (1<<TIF_SYSCALL_TRACE)
#define _TIF_SIGPENDING (1<<TIF_SIGPENDING)
#define _TIF_NEED_RESCHED (1<<TIF_NEED_RESCHED)
#define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG)
#define _TIF_RESTORE_SIGMASK (1<<TIF_RESTORE_SIGMASK)
+#define _TIF_KERNEL_TRACE (1<<TIF_KERNEL_TRACE)
/* Work to do on interrupt/exception return. */
#define _TIF_WORK_MASK (_TIF_SIGPENDING | _TIF_NEED_RESCHED)
/* Work to do on any return to userspace. */
-#define _TIF_ALLWORK_MASK (_TIF_WORK_MASK \
- | _TIF_SYSCALL_TRACE)
+#define _TIF_ALLWORK_MASK (_TIF_WORK_MASK \
+ | _TIF_SYSCALL_TRACE | _TIF_KERNEL_TRACE)
#define ALPHA_UAC_SHIFT 6
#define ALPHA_UAC_MASK (1 << TIF_UAC_NOPRINT | 1 << TIF_UAC_NOFIX | \
--
Mathieu Desnoyers
Computer Engineering Ph.D. Student, Ecole Polytechnique de Montreal
OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68
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