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#include <linux/module.h>
#include <linux/fs.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/seq_file.h>
#include <linux/debugfs.h>
#include <linux/mm.h>
#include <linux/stat.h>
enum sprd_debug_type{
SCHE,
MEM,
COMM,
TIMER,
IRQ,
IO,
CPU,
MISC,
TYPE_COUNT
};
struct sprd_debug_dir {
char *name;
struct dentry *debugfs_entry;
};
struct sprd_debug_dir sprd_debug_dir_table[TYPE_COUNT] = {
{.name = "sche", .debugfs_entry = NULL},
{.name = "mem", .debugfs_entry = NULL},
{.name = "comm", .debugfs_entry = NULL},
{.name = "timer", .debugfs_entry = NULL},
{.name = "irq", .debugfs_entry = NULL},
{.name = "io", .debugfs_entry = NULL},
{.name = "cpu", .debugfs_entry = NULL},
{.name = "misc", .debugfs_entry = NULL},
};
struct sprd_debug_entry {
enum sprd_debug_type type;
char *name;
mode_t mode;
struct file_operations *fop;
};
#define NOD(TYPE, NAME, MODE, FOP) { \
.type = TYPE, \
.name = NAME, \
.mode = MODE, \
.fop = FOP}
#ifdef CONFIG_SPRD_DEBUG_PHYMEM_INFO
extern struct file_operations phymem_dist_proc_fops;
extern struct file_operations phymem_pages_proc_fops;
extern struct file_operations phymem_map_proc_fops;
#endif
#ifdef CONFIG_SPRD_DEBUG_USRPROCMEM_INFO
extern struct file_operations user_process_meminfo_fops;
#endif
#ifdef CONFIG_SPRD_DEBUG_SCHED_LOG
extern struct file_operations scheinfo_proc_fops;
extern struct file_operations scheinfo_num_proc_fops;
extern struct file_operations irqinfo_proc_fops;
extern struct file_operations irqinfo_num_proc_fops;
extern struct file_operations last_regs_info_proc_fops;
extern struct file_operations userstack_info_proc_fops;
#endif
#ifdef CONFIG_SPRD_DEBUG_CPU_RATE
extern struct file_operations proc_cpu_usage_fops;
#endif
static struct sprd_debug_entry sprd_debug_array[] = {
#ifdef CONFIG_SPRD_DEBUG_PHYMEM_INFO
NOD(MEM, "phymemdist", 0, &phymem_dist_proc_fops),
NOD(MEM, "phymempages", 0, &phymem_pages_proc_fops),
NOD(MEM, "phymemmap", 0, &phymem_map_proc_fops),
#endif
#ifdef CONFIG_SPRD_DEBUG_USRPROCMEM_INFO
NOD(MEM, "userprocmem", 0, &user_process_meminfo_fops),
NOD(MEM, "userthreadstack", 0, &userstack_info_proc_fops),
#endif
#ifdef CONFIG_SPRD_DEBUG_SCHED_LOG
NOD(SCHE, "schedlog", 0444 , &scheinfo_proc_fops),
NOD(SCHE, "schedlog_num", 0, &scheinfo_num_proc_fops),
NOD(IRQ, "irqlog", 0, &irqinfo_proc_fops),
NOD(IRQ, "irqlog_num", 0, &irqinfo_num_proc_fops),
NOD(IO, "last_regs", 0, &last_regs_info_proc_fops),
#endif
#ifdef CONFIG_SPRD_DEBUG_CPU_RATE
NOD(CPU, "cpu_usage", 0444, &proc_cpu_usage_fops),
#endif
};
static struct dentry *debugfs_sprd_debug_root;
static void _sprd_entry_create(struct sprd_debug_entry *psprd_debug)
{
if ((psprd_debug->name != NULL) && (psprd_debug->fop != NULL))
debugfs_create_file(psprd_debug->name, psprd_debug->mode,
sprd_debug_dir_table[psprd_debug->type].debugfs_entry, NULL, psprd_debug->fop);
}
static void _sprd_debug_init(void)
{
int i;
int num = sizeof(sprd_debug_array) / sizeof(struct sprd_debug_entry);
for (i = 0; i < num; i++)
_sprd_entry_create(&sprd_debug_array[i]);
}
static void _sprd_dir_init(void)
{
int i;
debugfs_sprd_debug_root = debugfs_create_dir("sprd_debug", NULL);
for (i = 0; i < TYPE_COUNT; i++)
sprd_debug_dir_table[i].debugfs_entry = debugfs_create_dir(sprd_debug_dir_table[i].name, debugfs_sprd_debug_root);
}
static int _sprd_debug_module_init(void)
{
_sprd_dir_init();
_sprd_debug_init();
return 0;
}
module_init(_sprd_debug_module_init);
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