cregit-Linux how code gets into the kernel

Release 4.10 fs/proc/loadavg.c

Directory: fs/proc
#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; }

Contributors

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alexey dobriyanalexey dobriyan6966.99%150.00%
thomas gleixnerthomas gleixner3433.01%150.00%
Total103100.00%2100.00%


static int loadavg_proc_open(struct inode *inode, struct file *file) { return single_open(file, loadavg_proc_show, NULL); }

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alexey dobriyanalexey dobriyan26100.00%1100.00%
Total26100.00%1100.00%

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; }

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PersonTokensPropCommitsCommitProp
alexey dobriyanalexey dobriyan24100.00%1100.00%
Total24100.00%1100.00%

fs_initcall(proc_loadavg_init);

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PersonTokensPropCommitsCommitProp
alexey dobriyanalexey dobriyan18984.38%133.33%
thomas gleixnerthomas gleixner3415.18%133.33%
paul gortmakerpaul gortmaker10.45%133.33%
Total224100.00%3100.00%
Directory: fs/proc
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