Hi Vineet,
On 24/01/13 11:06, Vineet Gupta wrote:
> Signed-off-by: Vineet Gupta <vgupta@xxxxxxxxxxxx>
> Cc: Robert Richter <rric@xxxxxxxxxx>
> Cc: oprofile-list@xxxxxxxxxxxx
> ---
> arch/arc/Kconfig | 1 +
> arch/arc/Makefile | 2 ++
> arch/arc/oprofile/Makefile | 9 +++++++++
> arch/arc/oprofile/common.c | 22 ++++++++++++++++++++++
> 4 files changed, 34 insertions(+), 0 deletions(-)
> create mode 100644 arch/arc/oprofile/Makefile
> create mode 100644 arch/arc/oprofile/common.c
>
> diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig
> index 409b937..405ea7a 100644
> --- a/arch/arc/Kconfig
> +++ b/arch/arc/Kconfig
> @@ -25,6 +25,7 @@ config ARC
> select HAVE_ARCH_TRACEHOOK
> select HAVE_GENERIC_HARDIRQS
> select HAVE_MEMBLOCK
> + select HAVE_OPROFILE
> select IRQ_DOMAIN
> select MODULES_USE_ELF_RELA
> select NO_BOOTMEM
> diff --git a/arch/arc/Makefile b/arch/arc/Makefile
> index 4247f48..4f28f5b 100644
> --- a/arch/arc/Makefile
> +++ b/arch/arc/Makefile
> @@ -100,6 +100,8 @@ ifneq ($(platform-y),)
> core-y += arch/arc/plat-$(PLATFORM)/
> endif
>
> +drivers-$(CONFIG_OPROFILE) += arch/arc/oprofile/
> +
> libs-y += arch/arc/lib/ $(LIBGCC)
>
> #default target for make without any arguements.
> diff --git a/arch/arc/oprofile/Makefile b/arch/arc/oprofile/Makefile
> new file mode 100644
> index 0000000..ce417a6
> --- /dev/null
> +++ b/arch/arc/oprofile/Makefile
> @@ -0,0 +1,9 @@
> +obj-$(CONFIG_OPROFILE) += oprofile.o
> +
> +DRIVER_OBJS = $(addprefix ../../../drivers/oprofile/, \
> + oprof.o cpu_buffer.o buffer_sync.o \
> + event_buffer.o oprofile_files.o \
> + oprofilefs.o oprofile_stats.o \
> + timer_int.o )
> +
> +oprofile-y := $(DRIVER_OBJS) common.o
> diff --git a/arch/arc/oprofile/common.c b/arch/arc/oprofile/common.c
> new file mode 100644
> index 0000000..917ae16
> --- /dev/null
> +++ b/arch/arc/oprofile/common.c
> @@ -0,0 +1,22 @@
> +/*
> + * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
> + *
> + * This program is free software; you can redistribute it and/or modify
> + * it under the terms of the GNU General Public License version 2 as
> + * published by the Free Software Foundation.
> + *
> + * Based on orig code from @author John Levon <levon@xxxxxxxxxxxxxxxxx>
> + */
> +
> +#include <linux/oprofile.h>
> +#include <linux/perf_event.h>
> +
> +int __init oprofile_arch_init(struct oprofile_operations *ops)
> +{
> + return oprofile_perf_init(ops);
You don't appear to define CONFIG_HW_PERF_EVENTS, so
include/linux/oprofile.h will presumably define oprofile_perf_init as
just a pr_info(...); return -ENODEV;
Similarly drivers/oprofile/oprofile_perf.o doesn't seem to be being built.
I'm probably missing something somewhere?
Cheers
James
> +}
> +
> +void oprofile_arch_exit(void)
> +{
> + oprofile_perf_exit();
> +}
>
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