Contributors: 17
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Ralf Baechle |
433 |
83.27% |
11 |
34.38% |
| Wu Zhangjin |
18 |
3.46% |
2 |
6.25% |
| Huacai Chen |
15 |
2.88% |
1 |
3.12% |
| Steven J. Hill |
9 |
1.73% |
3 |
9.38% |
| Leonid Yegoshin |
9 |
1.73% |
3 |
9.38% |
| Aaro Koskinen |
7 |
1.35% |
1 |
3.12% |
| Mark Mason |
6 |
1.15% |
1 |
3.12% |
| Kelvin Cheung |
3 |
0.58% |
1 |
3.12% |
| Markos Chandras |
3 |
0.58% |
1 |
3.12% |
| Joshua Kinard |
3 |
0.58% |
1 |
3.12% |
| James Hogan |
3 |
0.58% |
1 |
3.12% |
| Chris Dearman |
3 |
0.58% |
1 |
3.12% |
| Madhusudan Bhat |
3 |
0.58% |
1 |
3.12% |
| Atsushi Nemoto |
2 |
0.38% |
1 |
3.12% |
| Yanjiang Jin |
1 |
0.19% |
1 |
3.12% |
| Al Viro |
1 |
0.19% |
1 |
3.12% |
| Markus Armbruster |
1 |
0.19% |
1 |
3.12% |
| Total |
520 |
|
32 |
|
/*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* Copyright (C) 2004, 2005 Ralf Baechle
* Copyright (C) 2005 MIPS Technologies, Inc.
*/
#include <linux/compiler.h>
#include <linux/errno.h>
#include <linux/init.h>
#include <linux/oprofile.h>
#include <linux/smp.h>
#include <asm/cpu-info.h>
#include <asm/cpu-type.h>
#include "op_impl.h"
extern struct op_mips_model op_model_mipsxx_ops __weak;
extern struct op_mips_model op_model_loongson2_ops __weak;
extern struct op_mips_model op_model_loongson3_ops __weak;
static struct op_mips_model *model;
static struct op_counter_config ctr[20];
static int op_mips_setup(void)
{
/* Pre-compute the values to stuff in the hardware registers. */
model->reg_setup(ctr);
/* Configure the registers on all cpus. */
on_each_cpu(model->cpu_setup, NULL, 1);
return 0;
}
static int op_mips_create_files(struct dentry *root)
{
int i;
for (i = 0; i < model->num_counters; ++i) {
struct dentry *dir;
char buf[4];
snprintf(buf, sizeof buf, "%d", i);
dir = oprofilefs_mkdir(root, buf);
oprofilefs_create_ulong(dir, "enabled", &ctr[i].enabled);
oprofilefs_create_ulong(dir, "event", &ctr[i].event);
oprofilefs_create_ulong(dir, "count", &ctr[i].count);
oprofilefs_create_ulong(dir, "kernel", &ctr[i].kernel);
oprofilefs_create_ulong(dir, "user", &ctr[i].user);
oprofilefs_create_ulong(dir, "exl", &ctr[i].exl);
/* Dummy. */
oprofilefs_create_ulong(dir, "unit_mask", &ctr[i].unit_mask);
}
return 0;
}
static int op_mips_start(void)
{
on_each_cpu(model->cpu_start, NULL, 1);
return 0;
}
static void op_mips_stop(void)
{
/* Disable performance monitoring for all counters. */
on_each_cpu(model->cpu_stop, NULL, 1);
}
int __init oprofile_arch_init(struct oprofile_operations *ops)
{
struct op_mips_model *lmodel = NULL;
int res;
switch (boot_cpu_type()) {
case CPU_5KC:
case CPU_M14KC:
case CPU_M14KEC:
case CPU_20KC:
case CPU_24K:
case CPU_25KF:
case CPU_34K:
case CPU_1004K:
case CPU_74K:
case CPU_1074K:
case CPU_INTERAPTIV:
case CPU_PROAPTIV:
case CPU_P5600:
case CPU_I6400:
case CPU_M5150:
case CPU_LOONGSON1:
case CPU_SB1:
case CPU_SB1A:
case CPU_R10000:
case CPU_R12000:
case CPU_R14000:
case CPU_R16000:
case CPU_XLR:
lmodel = &op_model_mipsxx_ops;
break;
case CPU_LOONGSON2:
lmodel = &op_model_loongson2_ops;
break;
case CPU_LOONGSON3:
lmodel = &op_model_loongson3_ops;
break;
};
/*
* Always set the backtrace. This allows unsupported CPU types to still
* use timer-based oprofile.
*/
ops->backtrace = op_mips_backtrace;
if (!lmodel)
return -ENODEV;
res = lmodel->init();
if (res)
return res;
model = lmodel;
ops->create_files = op_mips_create_files;
ops->setup = op_mips_setup;
//ops->shutdown = op_mips_shutdown;
ops->start = op_mips_start;
ops->stop = op_mips_stop;
ops->cpu_type = lmodel->cpu_type;
printk(KERN_INFO "oprofile: using %s performance monitoring.\n",
lmodel->cpu_type);
return 0;
}
void oprofile_arch_exit(void)
{
if (model)
model->exit();
}