diff options
Diffstat (limited to 'arch/mips/oprofile/common.c')
-rw-r--r-- | arch/mips/oprofile/common.c | 147 |
1 files changed, 0 insertions, 147 deletions
diff --git a/arch/mips/oprofile/common.c b/arch/mips/oprofile/common.c deleted file mode 100644 index d3996c4c6440..000000000000 --- a/arch/mips/oprofile/common.c +++ /dev/null @@ -1,147 +0,0 @@ -/* - * 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_LOONGSON32: - 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_LOONGSON2EF: - lmodel = &op_model_loongson2_ops; - break; - case CPU_LOONGSON64: - 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(); -} |