89 lines
2.3 KiB
C
Executable file
89 lines
2.3 KiB
C
Executable file
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (C) 2015 MediaTek Inc.
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*/
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/* common and private utility for mtprof */
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#include <linux/seq_file.h>
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#include <linux/sched.h>
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#define SEQ_printf(m, x...) \
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do { \
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if (m) \
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seq_printf(m, x); \
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else \
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pr_info(x); \
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} while (0)
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#define MT_DEBUG_ENTRY(name) \
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void mt_##name##_switch(int on); \
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static int mt_##name##_show(struct seq_file *m, void *v);\
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static ssize_t mt_##name##_write(struct file *filp, const char *ubuf, \
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size_t cnt, loff_t *data);\
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static int mt_##name##_open(struct inode *inode, struct file *file) \
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{ \
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return single_open(file, mt_##name##_show, inode->i_private); \
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} \
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static const struct file_operations mt_##name##_fops = { \
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.open = mt_##name##_open, \
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.write = mt_##name##_write, \
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.read = seq_read, \
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.llseek = seq_lseek, \
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.release = single_release, \
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}
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#define DEFINE_SCHED_MON_OPS(param, type, min, max) \
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static ssize_t sched_mon_##param##_write(struct file *filp, \
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const char *ubuf, size_t count, loff_t *data) \
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{ \
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char buf[32]; \
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unsigned int val = 0; \
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\
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if (!sched_mon_door) \
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return -EPERM; \
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\
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if (count >= sizeof(buf) || count < 1) \
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return -EINVAL; \
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\
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if (copy_from_user(&buf, ubuf, count)) \
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return -EFAULT; \
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\
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buf[count] = 0; \
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if (kstrtouint(buf, 10, &val)) \
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return -EINVAL; \
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\
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if (val < min || val > max) \
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return -EINVAL; \
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\
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param = (type)val; \
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\
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return count; \
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} \
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static int sched_mon_##param##_show(struct seq_file *s, void *p) \
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{ \
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seq_printf(s, "%d\n", param); \
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return 0; \
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} \
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static int sched_mon_##param##_open(struct inode *inode, struct file *file) \
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{ \
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return single_open(file, sched_mon_##param##_show, inode->i_private); \
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} \
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static const struct file_operations sched_mon_##param##_fops = { \
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.open = sched_mon_##param##_open, \
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.write = sched_mon_##param##_write, \
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.read = seq_read, \
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.llseek = seq_lseek, \
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.release = single_release, \
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}
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/* for bootprof.c */
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unsigned int gpt_boot_time(void);
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long long msec_high(unsigned long long nsec);
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unsigned long msec_low(unsigned long long nsec);
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long long usec_high(unsigned long long nsec);
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long long sec_high(unsigned long long nsec);
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unsigned long sec_low(unsigned long long nsec);
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void mt_sched_monitor_test_init(struct proc_dir_entry *dir);
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