[RFC patch 03/20] LTTng Kernel Trace Thread Flag AVR32

Mathieu Desnoyers
2009-03-15T20:28:06Z

[-- Attachment #1: lttng-kernel-trace-thread-flag-avr32.patch --]
[-- Type: text/plain, Size: 1843 bytes --]

Add a thread flag to activate system-wide syscall tracing.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
---
arch/avr32/include/asm/thread_info.h | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

Index: linux-2.6-lttng/arch/avr32/include/asm/thread_info.h
===================================================================
--- linux-2.6-lttng.orig/arch/avr32/include/asm/thread_info.h 2009-03-15 15:57:05.000000000 -0400
+++ linux-2.6-lttng/arch/avr32/include/asm/thread_info.h 2009-03-15 15:57:14.000000000 -0400
@@ -84,6 +84,7 @@ static inline struct thread_info *curren
#define TIF_MEMDIE 6
#define TIF_RESTORE_SIGMASK 7 /* restore signal mask in do_signal */
#define TIF_CPU_GOING_TO_SLEEP 8 /* CPU is entering sleep 0 mode */
+#define TIF_KERNEL_TRACE 9 /* kernel trace active */
#define TIF_FREEZE 29
#define TIF_DEBUG 30 /* debugging enabled */
#define TIF_USERSPACE 31 /* true if FS sets userspace */
@@ -96,6 +97,7 @@ static inline struct thread_info *curren
#define _TIF_MEMDIE (1 << TIF_MEMDIE)
#define _TIF_RESTORE_SIGMASK (1 << TIF_RESTORE_SIGMASK)
#define _TIF_CPU_GOING_TO_SLEEP (1 << TIF_CPU_GOING_TO_SLEEP)
+#define _TIF_KERNEL_TRACE (1 << TIF_KERNEL_TRACE)
#define _TIF_FREEZE (1 << TIF_FREEZE)

/* Note: The masks below must never span more than 16 bits! */
@@ -109,7 +111,7 @@ static inline struct thread_info *curren
| (1 << TIF_RESTORE_SIGMASK))

/* work to do on any return to userspace */
-#define _TIF_ALLWORK_MASK (_TIF_WORK_MASK | (1 << TIF_SYSCALL_TRACE))
+#define _TIF_ALLWORK_MASK (_TIF_WORK_MASK | _TIF_SYSCALL_TRACE | _TIF_KERNEL_TRACE)
/* work to do on return from debug mode */
#define _TIF_DBGWORK_MASK (_TIF_WORK_MASK & ~(1 << TIF_BREAKPOINT))