diff options
author | Thomas Gleixner <tglx@linutronix.de> | 2007-10-11 11:16:55 +0200 |
---|---|---|
committer | Thomas Gleixner <tglx@linutronix.de> | 2007-10-11 11:16:55 +0200 |
commit | ff4395654dc6a3a5e35611940047114d4f3d0a7a (patch) | |
tree | 1f17f5160046496c29afeb2872153dcbb939b8a0 /arch/i386/oprofile/nmi_timer_int.c | |
parent | 9402e12b8fef1efe9cf949fc020dcda22d9d8667 (diff) |
i386: move oprofile
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/i386/oprofile/nmi_timer_int.c')
-rw-r--r-- | arch/i386/oprofile/nmi_timer_int.c | 69 |
1 files changed, 0 insertions, 69 deletions
diff --git a/arch/i386/oprofile/nmi_timer_int.c b/arch/i386/oprofile/nmi_timer_int.c deleted file mode 100644 index 1418e36ae7a..00000000000 --- a/arch/i386/oprofile/nmi_timer_int.c +++ /dev/null @@ -1,69 +0,0 @@ -/** - * @file nmi_timer_int.c - * - * @remark Copyright 2003 OProfile authors - * @remark Read the file COPYING - * - * @author Zwane Mwaikambo <zwane@linuxpower.ca> - */ - -#include <linux/init.h> -#include <linux/smp.h> -#include <linux/errno.h> -#include <linux/oprofile.h> -#include <linux/rcupdate.h> -#include <linux/kdebug.h> - -#include <asm/nmi.h> -#include <asm/apic.h> -#include <asm/ptrace.h> - -static int profile_timer_exceptions_notify(struct notifier_block *self, - unsigned long val, void *data) -{ - struct die_args *args = (struct die_args *)data; - int ret = NOTIFY_DONE; - - switch(val) { - case DIE_NMI: - oprofile_add_sample(args->regs, 0); - ret = NOTIFY_STOP; - break; - default: - break; - } - return ret; -} - -static struct notifier_block profile_timer_exceptions_nb = { - .notifier_call = profile_timer_exceptions_notify, - .next = NULL, - .priority = 0 -}; - -static int timer_start(void) -{ - if (register_die_notifier(&profile_timer_exceptions_nb)) - return 1; - return 0; -} - - -static void timer_stop(void) -{ - unregister_die_notifier(&profile_timer_exceptions_nb); - synchronize_sched(); /* Allow already-started NMIs to complete. */ -} - - -int __init op_nmi_timer_init(struct oprofile_operations * ops) -{ - if ((nmi_watchdog != NMI_IO_APIC) || (atomic_read(&nmi_active) <= 0)) - return -ENODEV; - - ops->start = timer_start; - ops->stop = timer_stop; - ops->cpu_type = "timer"; - printk(KERN_INFO "oprofile: using NMI timer interrupt.\n"); - return 0; -} |