From ff4395654dc6a3a5e35611940047114d4f3d0a7a Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Thu, 11 Oct 2007 11:16:55 +0200 Subject: i386: move oprofile Signed-off-by: Thomas Gleixner Signed-off-by: Ingo Molnar --- arch/x86/oprofile/init.c | 48 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 48 insertions(+) create mode 100644 arch/x86/oprofile/init.c (limited to 'arch/x86/oprofile/init.c') diff --git a/arch/x86/oprofile/init.c b/arch/x86/oprofile/init.c new file mode 100644 index 00000000000..5341d481d92 --- /dev/null +++ b/arch/x86/oprofile/init.c @@ -0,0 +1,48 @@ +/** + * @file init.c + * + * @remark Copyright 2002 OProfile authors + * @remark Read the file COPYING + * + * @author John Levon + */ + +#include +#include +#include + +/* We support CPUs that have performance counters like the Pentium Pro + * with the NMI mode driver. + */ + +extern int op_nmi_init(struct oprofile_operations * ops); +extern int op_nmi_timer_init(struct oprofile_operations * ops); +extern void op_nmi_exit(void); +extern void x86_backtrace(struct pt_regs * const regs, unsigned int depth); + + +int __init oprofile_arch_init(struct oprofile_operations * ops) +{ + int ret; + + ret = -ENODEV; + +#ifdef CONFIG_X86_LOCAL_APIC + ret = op_nmi_init(ops); +#endif +#ifdef CONFIG_X86_IO_APIC + if (ret < 0) + ret = op_nmi_timer_init(ops); +#endif + ops->backtrace = x86_backtrace; + + return ret; +} + + +void oprofile_arch_exit(void) +{ +#ifdef CONFIG_X86_LOCAL_APIC + op_nmi_exit(); +#endif +} -- cgit v1.2.3