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d900bee055
There are several definitions of those functions/macros in places that mess with fixed-point load averages. Provide an official version. [akpm@linux-foundation.org: fix missed conversion in block/blk-iolatency.c] Link: http://lkml.kernel.org/r/20180828172258.3185-5-hannes@cmpxchg.org Signed-off-by: Johannes Weiner <hannes@cmpxchg.org> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Tested-by: Suren Baghdasaryan <surenb@google.com> Tested-by: Daniel Drake <drake@endlessm.com> Cc: Christopher Lameter <cl@linux.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Johannes Weiner <jweiner@fb.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Peter Enderborg <peter.enderborg@sony.com> Cc: Randy Dunlap <rdunlap@infradead.org> Cc: Shakeel Butt <shakeelb@google.com> Cc: Tejun Heo <tj@kernel.org> Cc: Vinayak Menon <vinmenon@codeaurora.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> (cherry picked from commit 8508cf3ffad4defa202b303e5b6379efc4cd9054) Conflicts: block/blk-iolatency.c (1. skipped changes in block/blk-iolatency.c as file does not exist in 4.14) Bug: 127712811 Test: lmkd in PSI mode Change-Id: Ifb7e12280b2aa4d379df29e24bbeab3e82a0bff8 Signed-off-by: Suren Baghdasaryan <surenb@google.com>
46 lines
1.1 KiB
C
46 lines
1.1 KiB
C
// SPDX-License-Identifier: GPL-2.0
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#include <linux/fs.h>
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#include <linux/init.h>
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#include <linux/pid_namespace.h>
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#include <linux/proc_fs.h>
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#include <linux/sched.h>
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#include <linux/sched/loadavg.h>
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#include <linux/sched/stat.h>
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#include <linux/seq_file.h>
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#include <linux/seqlock.h>
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#include <linux/time.h>
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static int loadavg_proc_show(struct seq_file *m, void *v)
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{
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unsigned long avnrun[3];
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get_avenrun(avnrun, FIXED_1/200, 0);
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seq_printf(m, "%lu.%02lu %lu.%02lu %lu.%02lu %ld/%d %d\n",
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LOAD_INT(avnrun[0]), LOAD_FRAC(avnrun[0]),
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LOAD_INT(avnrun[1]), LOAD_FRAC(avnrun[1]),
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LOAD_INT(avnrun[2]), LOAD_FRAC(avnrun[2]),
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nr_running(), nr_threads,
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task_active_pid_ns(current)->last_pid);
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return 0;
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}
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static int loadavg_proc_open(struct inode *inode, struct file *file)
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{
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return single_open(file, loadavg_proc_show, NULL);
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}
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static const struct file_operations loadavg_proc_fops = {
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.open = loadavg_proc_open,
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.read = seq_read,
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.llseek = seq_lseek,
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.release = single_release,
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};
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static int __init proc_loadavg_init(void)
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{
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proc_create("loadavg", 0, NULL, &loadavg_proc_fops);
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return 0;
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}
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fs_initcall(proc_loadavg_init);
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