[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/os/linux/linux-3.4.x/fs/proc/loadavg.c b/ap/os/linux/linux-3.4.x/fs/proc/loadavg.c
new file mode 100644
index 0000000..1afa4dd
--- /dev/null
+++ b/ap/os/linux/linux-3.4.x/fs/proc/loadavg.c
@@ -0,0 +1,45 @@
+#include <linux/fs.h>
+#include <linux/init.h>
+#include <linux/pid_namespace.h>
+#include <linux/proc_fs.h>
+#include <linux/sched.h>
+#include <linux/seq_file.h>
+#include <linux/seqlock.h>
+#include <linux/time.h>
+
+#define LOAD_INT(x) ((x) >> FSHIFT)
+#define LOAD_FRAC(x) LOAD_INT(((x) & (FIXED_1-1)) * 100)
+
+static int loadavg_proc_show(struct seq_file *m, void *v)
+{
+ unsigned long avnrun[3];
+
+ get_avenrun(avnrun, FIXED_1/200, 0);
+
+ seq_printf(m, "%lu.%02lu %lu.%02lu %lu.%02lu %ld/%d %d\n",
+ LOAD_INT(avnrun[0]), LOAD_FRAC(avnrun[0]),
+ LOAD_INT(avnrun[1]), LOAD_FRAC(avnrun[1]),
+ LOAD_INT(avnrun[2]), LOAD_FRAC(avnrun[2]),
+ nr_running(), nr_threads,
+ task_active_pid_ns(current)->last_pid);
+ return 0;
+}
+
+static int loadavg_proc_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, loadavg_proc_show, NULL);
+}
+
+static const struct file_operations loadavg_proc_fops = {
+ .open = loadavg_proc_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+static int __init proc_loadavg_init(void)
+{
+ proc_create("loadavg", 0, NULL, &loadavg_proc_fops);
+ return 0;
+}
+module_init(proc_loadavg_init);