Messages in this thread Patch in this message | | | Date | Sun, 15 Mar 2009 16:01:49 -0400 | From | Mathieu Desnoyers <> | Subject | [RFC patch 05/20] LTTng Kernel Trace Thread Flag Cris |
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Add a thread flag to activate system-wide syscall tracing.
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca> --- arch/cris/include/asm/thread_info.h | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-)
Index: linux-2.6-lttng/arch/cris/include/asm/thread_info.h =================================================================== --- linux-2.6-lttng.orig/arch/cris/include/asm/thread_info.h 2009-03-15 15:57:05.000000000 -0400 +++ linux-2.6-lttng/arch/cris/include/asm/thread_info.h 2009-03-15 15:57:14.000000000 -0400 @@ -85,6 +85,7 @@ struct thread_info { #define TIF_NOTIFY_RESUME 1 /* resumption notification requested */ #define TIF_SIGPENDING 2 /* signal pending */ #define TIF_NEED_RESCHED 3 /* rescheduling necessary */ +#define TIF_KERNEL_TRACE 4 /* kernel trace active */ #define TIF_RESTORE_SIGMASK 9 /* restore signal mask in do_signal() */ #define TIF_POLLING_NRFLAG 16 /* true if poll_idle() is polling TIF_NEED_RESCHED */ #define TIF_MEMDIE 17 @@ -94,12 +95,16 @@ struct thread_info { #define _TIF_NOTIFY_RESUME (1<<TIF_NOTIFY_RESUME) #define _TIF_SIGPENDING (1<<TIF_SIGPENDING) #define _TIF_NEED_RESCHED (1<<TIF_NEED_RESCHED) +#define _TIF_KERNEL_TRACE (1<<TIF_KERNEL_TRACE) #define _TIF_RESTORE_SIGMASK (1<<TIF_RESTORE_SIGMASK) #define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG) #define _TIF_FREEZE (1<<TIF_FREEZE) -#define _TIF_WORK_MASK 0x0000FFFE /* work to do on interrupt/exception return */ -#define _TIF_ALLWORK_MASK 0x0000FFFF /* work to do on any return to u-space */ +/* work to do on interrupt/exception return */ +#define _TIF_WORK_MASK 0x0000FFFF & \ + (~_TIF_SYSCALL_TRACE | ~_TIF_KERNEL_TRACE) +/* work to do on any return to u-space */ +#define _TIF_ALLWORK_MASK 0x0000FFFF #endif /* __KERNEL__ */ -- Mathieu Desnoyers OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68
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