lkml.org 
[lkml]   [2009]   [Jul]   [1]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    Patch in this message
    /
    From
    Subject[PATCH 2/2] FRV: Add basic performance counter support
    Date
    Add basic performance counter support to the FRV arch.

    Signed-off-by: David Howells <dhowells@redhat.com>
    ---

    arch/frv/Kconfig | 1 +
    arch/frv/include/asm/perf_counter.h | 17 +++++++++++++++++
    arch/frv/lib/Makefile | 2 +-
    arch/frv/lib/perf_counter.c | 19 +++++++++++++++++++
    4 files changed, 38 insertions(+), 1 deletions(-)
    create mode 100644 arch/frv/include/asm/perf_counter.h
    create mode 100644 arch/frv/lib/perf_counter.c


    diff --git a/arch/frv/Kconfig b/arch/frv/Kconfig
    index 8a5bd7a..b86e19c 100644
    --- a/arch/frv/Kconfig
    +++ b/arch/frv/Kconfig
    @@ -7,6 +7,7 @@ config FRV
    default y
    select HAVE_IDE
    select HAVE_ARCH_TRACEHOOK
    + select HAVE_PERF_COUNTERS

    config ZONE_DMA
    bool
    diff --git a/arch/frv/include/asm/perf_counter.h b/arch/frv/include/asm/perf_counter.h
    new file mode 100644
    index 0000000..ccf726e
    --- /dev/null
    +++ b/arch/frv/include/asm/perf_counter.h
    @@ -0,0 +1,17 @@
    +/* FRV performance counter support
    + *
    + * Copyright (C) 2009 Red Hat, Inc. All Rights Reserved.
    + * Written by David Howells (dhowells@redhat.com)
    + *
    + * This program is free software; you can redistribute it and/or
    + * modify it under the terms of the GNU General Public Licence
    + * as published by the Free Software Foundation; either version
    + * 2 of the Licence, or (at your option) any later version.
    + */
    +
    +#ifndef _ASM_PERF_COUNTER_H
    +#define _ASM_PERF_COUNTER_H
    +
    +#define PERF_COUNTER_INDEX_OFFSET 0
    +
    +#endif /* _ASM_PERF_COUNTER_H */
    diff --git a/arch/frv/lib/Makefile b/arch/frv/lib/Makefile
    index 4ff2fb1..0a37721 100644
    --- a/arch/frv/lib/Makefile
    +++ b/arch/frv/lib/Makefile
    @@ -5,4 +5,4 @@
    lib-y := \
    __ashldi3.o __lshrdi3.o __muldi3.o __ashrdi3.o __negdi2.o __ucmpdi2.o \
    checksum.o memcpy.o memset.o atomic-ops.o atomic64-ops.o \
    - outsl_ns.o outsl_sw.o insl_ns.o insl_sw.o cache.o
    + outsl_ns.o outsl_sw.o insl_ns.o insl_sw.o cache.o perf_counter.o
    diff --git a/arch/frv/lib/perf_counter.c b/arch/frv/lib/perf_counter.c
    new file mode 100644
    index 0000000..2000fee
    --- /dev/null
    +++ b/arch/frv/lib/perf_counter.c
    @@ -0,0 +1,19 @@
    +/* Performance counter handling
    + *
    + * Copyright (C) 2009 Red Hat, Inc. All Rights Reserved.
    + * Written by David Howells (dhowells@redhat.com)
    + *
    + * This program is free software; you can redistribute it and/or
    + * modify it under the terms of the GNU General Public Licence
    + * as published by the Free Software Foundation; either version
    + * 2 of the Licence, or (at your option) any later version.
    + */
    +
    +#include <linux/perf_counter.h>
    +
    +/*
    + * mark the performance counter as pending
    + */
    +void set_perf_counter_pending(void)
    +{
    +}


    \
     
     \ /
      Last update: 2009-07-01 18:49    [W:0.031 / U:0.424 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site