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author | Srikant Patnaik | 2015-01-13 15:08:24 +0530 |
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committer | Srikant Patnaik | 2015-01-13 15:08:24 +0530 |
commit | 97327692361306d1e6259021bc425e32832fdb50 (patch) | |
tree | fe9088f3248ec61e24f404f21b9793cb644b7f01 /fs/proc/loadavg.c | |
parent | 2d05a8f663478a44e088d122e0d62109bbc801d0 (diff) | |
parent | a3a8b90b61e21be3dde9101c4e86c881e0f06210 (diff) | |
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dirty fix to merging
Diffstat (limited to 'fs/proc/loadavg.c')
-rw-r--r-- | fs/proc/loadavg.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/fs/proc/loadavg.c b/fs/proc/loadavg.c new file mode 100644 index 00000000..1afa4dd4 --- /dev/null +++ b/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); |