1 files changed, 136 insertions, 0 deletions
diff --git a/drivers/misc/benchmark/benchmark-proc.c b/drivers/misc/benchmark/benchmark-proc.c
new file mode 100644
index 00000000..ed4c79f4
--- /dev/null
+++ b/drivers/misc/benchmark/benchmark-proc.c
@@ -0,0 +1,136 @@
+#include <linux/module.h> /* Specifically, a module */
+#include <linux/kernel.h> /* We're doing kernel work */
+#include <linux/proc_fs.h> /* Necessary because we use the proc fs */
+#include <asm/uaccess.h> /* for copy_from_user */
+#include <linux/slab.h>
+
+#define PROC_MAX_SIZE	64
+struct bench_t{
+    const char *name;
+    const int  size;
+    char *buffer;
+};
+
+#define PROC_NAME        "benchMark"
+
+static struct bench_t bench_name[] = {
+	[0] = {
+		.name = "fps",
+		.size = 64,
+	},
+	[1] = {
+		.name = "boot_time",
+		.size = 64,
+	},
+	[2] = {
+		.name = "net_time",
+		.size = 512,
+	},
+	[3] = {
+		.name = "cam_time",
+		.size = 64,
+	},
+	[4] = {
+		.name = "app_launch_time",
+		.size = 64,
+	},
+	[5] = {
+		.name = "tpdown_time",
+		.size = 64,
+	},
+	[6] = {
+		.name = "app_launch_data",
+		.size = 1024,
+	},
+	[7] = {
+		.name = "presshome_time", /*zero mean not pressed hHOME key, after update gohome_time, write zero to it*/
+		.size = 64,
+	},
+	[8] = {
+		.name = "gohome_time",
+		.size = 64,
+	},
+};
+
+static  struct proc_dir_entry *benchmark_entry;
+/* The buffer used to store character for this module */
+static int benchmark_open(struct inode *inode, struct file *file);
+static ssize_t benchmark_read( struct file *file, char __user *buffer, size_t len, loff_t *offset);
+static ssize_t benchmark_write( struct file *file, const char __user *buffer, size_t len, loff_t *offset );
+
+static const struct file_operations benchmark_fops = {
+	.owner		= THIS_MODULE,
+	.read		= benchmark_read,
+	.open		= benchmark_open,
+	.write		= benchmark_write,
+	.release	= NULL,
+};
+
+/* This function is called when the module is loaded */
+int init_module()
+{
+	int i;
+	struct proc_dir_entry *entry;
+
+	benchmark_entry = proc_mkdir(PROC_NAME,NULL);
+
+	if (!benchmark_entry) {
+		printk(KERN_ALERT "Error: Could not initialize /proc/%s\n",PROC_NAME);
+		return -ENOMEM;
+	}
+	for (i=0; i<ARRAY_SIZE(bench_name); i++) {
+		entry = proc_create_data(bench_name[i].name, S_IRUGO|S_IWUGO, benchmark_entry, &benchmark_fops, bench_name[i].name);
+       bench_name[i].buffer = (char*)kmalloc(bench_name[i].size, GFP_KERNEL);
+       memset(bench_name[i].buffer, '\0', bench_name[i].size);
+	}
+	printk(KERN_INFO "/proc/%s created\n", PROC_NAME);
+	return 0;
+}
+
+static int benchmark_open(struct inode *inode, struct file *file)
+{
+	int i = 0;
+
+	char *name = PDE_DATA(inode);
+	for (i = 0; i < ARRAY_SIZE(bench_name); i++) {
+		if (!strcmp(name, bench_name[i].name))
+        {
+			file->private_data = (void*)i;
+			return 0;
+		}
+	}
+	return -1;
+}
+
+static ssize_t benchmark_read( struct file *file, char __user *buffer, size_t len, loff_t *offset)
+{
+	int idx = (int)file->private_data;
+
+	return simple_read_from_buffer(buffer, len, offset, bench_name[idx].buffer,bench_name[idx].size);
+}
+
+static ssize_t benchmark_write( struct file *file, const char __user *buffer, size_t len, loff_t *offset )
+{
+	int idx = (int)file->private_data;
+	int ret = 0;
+
+       memset(bench_name[idx].buffer, '\0', bench_name[idx].size);
+	ret = simple_write_to_buffer(bench_name[idx].buffer, bench_name[idx].size, offset, buffer, len);
+
+	return ret;
+}
+
+void cleanup_module()
+{
+	int i;
+	for (i=0; i < ARRAY_SIZE(bench_name); i++) {
+		remove_proc_entry(bench_name[i].name, benchmark_entry);
+		kfree(bench_name[i].buffer);
+	}
+	remove_proc_entry(PROC_NAME, NULL);
+	printk(KERN_INFO "/proc/%s removed\n", PROC_NAME);
+}
+
+device_initcall(init_module);
+MODULE_DESCRIPTION("BENCH MARK PROC");
+MODULE_LICENSE("GPL");