Initial Contribution
msm-2.6.38: tag AU_LINUX_ANDROID_GINGERBREAD.02.03.04.00.142 Signed-off-by: Bryan Huntsman <bryanh@codeaurora.org>
This commit is contained in:
81
arch/arm/perfmon/perf-function-hooks.c
Normal file
81
arch/arm/perfmon/perf-function-hooks.c
Normal file
@@ -0,0 +1,81 @@
|
||||
/* Copyright (c) 2010, Code Aurora Forum. All rights reserved.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License version 2 and
|
||||
* only version 2 as published by the Free Software Foundation.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*/
|
||||
|
||||
/*
|
||||
* perf-function-hooks.c
|
||||
* DESCRIPTION
|
||||
* Hooks for ksapi.ko
|
||||
*/
|
||||
|
||||
#include <linux/module.h>
|
||||
#include <linux/module.h>
|
||||
#include <linux/init.h>
|
||||
#include <linux/sched.h>
|
||||
#include <linux/sysrq.h>
|
||||
#include <linux/time.h>
|
||||
#include "linux/proc_fs.h"
|
||||
#include "linux/kernel_stat.h"
|
||||
#include "asm/uaccess.h"
|
||||
#include <linux/proc_fs.h>
|
||||
#include "cp15_registers.h"
|
||||
#include <asm/perftypes.h>
|
||||
#include "perf.h"
|
||||
|
||||
/*
|
||||
* Function Pointers for when the module is installed...
|
||||
* Should we use a single "ready" variable for the testing
|
||||
* in the functions below, will be safer when module is removed
|
||||
* testing for a locked variable...
|
||||
*/
|
||||
VPVF pp_interrupt_out_ptr;
|
||||
VPVF pp_interrupt_in_ptr;
|
||||
VPULF pp_process_remove_ptr;
|
||||
unsigned int pp_loaded;
|
||||
EXPORT_SYMBOL(pp_loaded);
|
||||
atomic_t pm_op_lock;
|
||||
EXPORT_SYMBOL(pm_op_lock);
|
||||
|
||||
/*
|
||||
FUNCTION VARIOUS
|
||||
|
||||
DESCRIPTION
|
||||
Hooks to callinto the module functions after they are loaded. The
|
||||
above pointers will be set and then these functions are ready to be
|
||||
called.
|
||||
|
||||
DEPENDENCIES
|
||||
THe per preocess performance monitor needs to be loaded ...
|
||||
|
||||
RETURN VALUE
|
||||
|
||||
SIDE EFFECTS
|
||||
*/
|
||||
void perf_mon_interrupt_out(void)
|
||||
{
|
||||
if (pp_loaded)
|
||||
(*pp_interrupt_out_ptr)();
|
||||
}
|
||||
EXPORT_SYMBOL(pp_interrupt_out_ptr);
|
||||
|
||||
void perf_mon_interrupt_in(void)
|
||||
{
|
||||
if (pp_loaded)
|
||||
(*pp_interrupt_in_ptr)();
|
||||
}
|
||||
EXPORT_SYMBOL(pp_interrupt_in_ptr);
|
||||
|
||||
void per_process_remove(unsigned long pid)
|
||||
{
|
||||
if (pp_loaded)
|
||||
(*pp_process_remove_ptr)(pid);
|
||||
}
|
||||
EXPORT_SYMBOL(pp_process_remove_ptr);
|
||||
Reference in New Issue
Block a user