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    Subject[RFC patch 12/15] LTTng timestamp sparc64
    Implement LTTng timestamping for sparc64

    Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
    CC: David Miller <davem@davemloft.net>
    CC: linux-arch@vger.kernel.org
    ---
    arch/sparc/include/asm/ltt.h | 35 +++++++++++++++++++++++++++++++++++
    arch/sparc64/Kconfig | 1 +
    2 files changed, 36 insertions(+)

    Index: linux-2.6-lttng/arch/sparc/include/asm/ltt.h
    ===================================================================
    --- /dev/null 1970-01-01 00:00:00.000000000 +0000
    +++ linux-2.6-lttng/arch/sparc/include/asm/ltt.h 2008-10-16 19:04:23.000000000 -0400
    @@ -0,0 +1,35 @@
    +/*
    + * Copyright (C) 2008, Mathieu Desnoyers
    + *
    + * SPARC64 definitions for tracing system
    + */
    +
    +#ifndef _ASM_SPARC_LTT_H
    +#define _ASM_SPARC_LTT_H
    +
    +#include <linux/timex.h>
    +
    +static inline u32 ltt_get_timestamp32(void)
    +{
    + return get_cycles();
    +}
    +
    +static inline u64 ltt_get_timestamp64(void)
    +{
    + return get_cycles();
    +}
    +
    +static inline void ltt_add_timestamp(unsigned long ticks)
    +{ }
    +
    +static inline unsigned int ltt_frequency(void)
    +{
    + return CLOCK_TICK_RATE;
    +}
    +
    +static inline u32 ltt_freq_scale(void)
    +{
    + return 1;
    +}
    +
    +#endif /* _ASM_SPARC_LTT_H */
    Index: linux-2.6-lttng/arch/sparc64/Kconfig
    ===================================================================
    --- linux-2.6-lttng.orig/arch/sparc64/Kconfig 2008-10-16 18:57:15.000000000 -0400
    +++ linux-2.6-lttng/arch/sparc64/Kconfig 2008-10-16 19:02:55.000000000 -0400
    @@ -19,6 +19,7 @@ config SPARC64
    select HAVE_ARCH_KGDB
    select USE_GENERIC_SMP_HELPERS if SMP
    select HAVE_ARCH_TRACEHOOK
    + select HAVE_LTT_CLOCK

    config GENERIC_TIME
    bool
    --
    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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