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authorPeter Zijlstra <peterz@infradead.org>2021-03-25 15:18:19 +0100
committerPeter Zijlstra <peterz@infradead.org>2021-04-16 17:06:35 +0200
commitd27e9ae2f244805bbdc730d85fba28685d2471e5 (patch)
tree7bd78e3e361525d3752e3dd34ca6477f1b4eef90 /kernel/sched/debug.c
parentsched,debug: Convert sysctl sched_domains to debugfs (diff)
downloadlinux-dev-d27e9ae2f244805bbdc730d85fba28685d2471e5.tar.xz
linux-dev-d27e9ae2f244805bbdc730d85fba28685d2471e5.zip
sched: Move /proc/sched_debug to debugfs
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Tested-by: Valentin Schneider <valentin.schneider@arm.com> Link: https://lkml.kernel.org/r/20210412102001.548833671@infradead.org
Diffstat (limited to '')
-rw-r--r--kernel/sched/debug.c25
1 files changed, 16 insertions, 9 deletions
diff --git a/kernel/sched/debug.c b/kernel/sched/debug.c
index b25de7b07792..bf199d6ca906 100644
--- a/kernel/sched/debug.c
+++ b/kernel/sched/debug.c
@@ -277,6 +277,20 @@ static const struct file_operations sched_dynamic_fops = {
__read_mostly bool sched_debug_enabled;
+static const struct seq_operations sched_debug_sops;
+
+static int sched_debug_open(struct inode *inode, struct file *filp)
+{
+ return seq_open(filp, &sched_debug_sops);
+}
+
+static const struct file_operations sched_debug_fops = {
+ .open = sched_debug_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = seq_release,
+};
+
static struct dentry *debugfs_sched;
static __init int sched_init_debug(void)
@@ -314,6 +328,8 @@ static __init int sched_init_debug(void)
debugfs_create_u32("scan_size_mb", 0644, numa, &sysctl_numa_balancing_scan_size);
#endif
+ debugfs_create_file("debug", 0444, debugfs_sched, NULL, &sched_debug_fops);
+
return 0;
}
late_initcall(sched_init_debug);
@@ -847,15 +863,6 @@ static const struct seq_operations sched_debug_sops = {
.show = sched_debug_show,
};
-static int __init init_sched_debug_procfs(void)
-{
- if (!proc_create_seq("sched_debug", 0444, NULL, &sched_debug_sops))
- return -ENOMEM;
- return 0;
-}
-
-__initcall(init_sched_debug_procfs);
-
#define __PS(S, F) SEQ_printf(m, "%-45s:%21Ld\n", S, (long long)(F))
#define __P(F) __PS(#F, F)
#define P(F) __PS(#F, p->F)