4 * @remark Copyright 2002 OProfile authors
5 * @remark Read the file COPYING
7 * @author John Levon <levon@movementarian.org>
10 #include <linux/oprofile.h>
11 #include <linux/init.h>
12 #include <linux/errno.h>
14 /* We support CPUs that have performance counters like the Pentium Pro
15 * with the NMI mode driver.
18 extern int op_nmi_init(struct oprofile_operations
* ops
);
19 extern int op_nmi_timer_init(struct oprofile_operations
* ops
);
20 extern void op_nmi_exit(void);
21 extern void x86_backtrace(struct pt_regs
* const regs
, unsigned int depth
);
24 int __init
oprofile_arch_init(struct oprofile_operations
* ops
)
30 #ifdef CONFIG_X86_LOCAL_APIC
31 ret
= op_nmi_init(ops
);
33 #ifdef CONFIG_X86_IO_APIC
35 ret
= op_nmi_timer_init(ops
);
37 ops
->backtrace
= x86_backtrace
;
43 void oprofile_arch_exit(void)
45 #ifdef CONFIG_X86_LOCAL_APIC
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