Necessary instructions for loadavg

Signed-off-by: zhang2639 <zhangshiqiang@hust.edu.cn>
Signed-off-by: yuwang <yuwang@linux.alibaba.com>

diff --git a/bindings.c b/bindings.c
index 9657160fe485cf70a2248b3f9b8345dc818f76cc..7e82fb9e3e0aaa6e74e10f4d30ccfb9ccf585183 100644 (file)
--- a/bindings.c
+++ b/bindings.c
@@ -66,6 +66,7 @@ enum {
        LXC_TYPE_PROC_STAT,
        LXC_TYPE_PROC_DISKSTATS,
        LXC_TYPE_PROC_SWAPS,
+       LXC_TYPE_PROC_LOADAVG,
 };
 
 struct file_info {
@@ -4128,7 +4129,8 @@ int proc_getattr(const char *path, struct stat *sb)
                        strcmp(path, "/proc/uptime") == 0 ||
                        strcmp(path, "/proc/stat") == 0 ||
                        strcmp(path, "/proc/diskstats") == 0 ||
-                       strcmp(path, "/proc/swaps") == 0) {
+                       strcmp(path, "/proc/swaps") == 0 ||
+                       strcmp(path, "/proc/loadavg") == 0) {
                sb->st_size = 0;
                sb->st_mode = S_IFREG | 00444;
                sb->st_nlink = 1;
@@ -4148,7 +4150,8 @@ int proc_readdir(const char *path, void *buf, fuse_fill_dir_t filler, off_t offs
            filler(buf, "stat", NULL, 0) != 0 ||
            filler(buf, "uptime", NULL, 0) != 0 ||
            filler(buf, "diskstats", NULL, 0) != 0 ||
-           filler(buf, "swaps", NULL, 0) != 0)
+           filler(buf, "swaps", NULL, 0) != 0   ||
+           filler(buf, "loadavg", NULL, 0) != 0)
                return -EINVAL;
        return 0;
 }
@@ -4170,6 +4173,8 @@ int proc_open(const char *path, struct fuse_file_info *fi)
                type = LXC_TYPE_PROC_DISKSTATS;
        else if (strcmp(path, "/proc/swaps") == 0)
                type = LXC_TYPE_PROC_SWAPS;
+       else if (strcmp(path, "/proc/loadavg") == 0)
+               type = LXC_TYPE_PROC_LOADAVG;
        if (type == -1)
                return -ENOENT;
 
@@ -4227,6 +4232,8 @@ int proc_read(const char *path, char *buf, size_t size, off_t offset,
                return proc_diskstats_read(buf, size, offset, fi);
        case LXC_TYPE_PROC_SWAPS:
                return proc_swaps_read(buf, size, offset, fi);
+       case LXC_TYPE_PROC_LOADAVG:
+               return proc_loadavg_read(buf, size, offset, fi);
        default:
                return -EINVAL;
        }