From: Peter Zijlstra <peterz@infradead.org>
To: mingo@kernel.org, mgorman@suse.de, juri.lelli@redhat.com,
vincent.guittot@linaro.org, dietmar.eggemann@arm.com,
rostedt@goodmis.org, bsegall@google.com, bristot@redhat.com,
joshdon@google.com, valentin.schneider@arm.com
Cc: linux-kernel@vger.kernel.org, peterz@infradead.org, greg@kroah.com
Subject: [PATCH 8/9] sched: Move /proc/sched_debug to debugfs
Date: Fri, 26 Mar 2021 11:34:00 +0100 [thread overview]
Message-ID: <20210326103935.340951208@infradead.org> (raw)
In-Reply-To: <20210326103352.603456266@infradead.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
---
kernel/sched/debug.c | 25 ++++++++++++++++---------
1 file changed, 16 insertions(+), 9 deletions(-)
--- a/kernel/sched/debug.c
+++ b/kernel/sched/debug.c
@@ -279,6 +279,20 @@ static const struct file_operations sche
__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)
@@ -316,6 +330,8 @@ 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);
@@ -854,15 +870,6 @@ static const struct seq_operations sched
.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)
next prev parent reply other threads:[~2021-03-26 10:44 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-26 10:33 [PATCH 0/9] sched: Clean up SCHED_DEBUG Peter Zijlstra
2021-03-26 10:33 ` [PATCH 1/9] sched/numa: Allow runtime enabling/disabling of NUMA balance without SCHED_DEBUG Peter Zijlstra
2021-03-26 10:33 ` [PATCH 2/9] sched: Remove sched_schedstats sysctl out from under SCHED_DEBUG Peter Zijlstra
2021-03-26 10:33 ` [PATCH 3/9] sched: Dont make LATENCYTOP select SCHED_DEBUG Peter Zijlstra
2021-03-26 10:33 ` [PATCH 4/9] sched: Move SCHED_DEBUG to debugfs Peter Zijlstra
2021-03-26 11:06 ` Greg KH
2021-04-07 10:46 ` Valentin Schneider
2021-04-07 12:26 ` Peter Zijlstra
2021-04-07 12:57 ` Valentin Schneider
2021-03-26 10:33 ` [PATCH 5/9] sched,preempt: Move preempt_dynamic to debug.c Peter Zijlstra
2021-03-26 10:33 ` [PATCH 6/9] debugfs: Implement debugfs_create_str() Peter Zijlstra
2021-03-26 11:05 ` Greg KH
2021-03-26 11:18 ` Peter Zijlstra
2021-03-26 11:30 ` Greg KH
2021-03-26 11:38 ` [PATCH v2 " Peter Zijlstra
2021-03-26 12:18 ` Greg KH
2021-03-26 12:53 ` Rasmus Villemoes
2021-03-26 12:57 ` Greg KH
2021-03-26 13:10 ` Rasmus Villemoes
2021-03-26 14:12 ` Peter Zijlstra
2021-03-26 14:19 ` Greg KH
2021-03-26 14:22 ` Peter Zijlstra
2021-03-26 14:58 ` Rasmus Villemoes
2021-03-26 15:19 ` Peter Zijlstra
2021-03-27 10:41 ` Greg KH
2021-03-26 14:50 ` [PATCH v3 " Peter Zijlstra
2021-03-27 10:42 ` Greg KH
2021-03-27 22:24 ` [PATCH " Al Viro
2021-03-28 0:33 ` Steven Rostedt
2021-03-26 10:33 ` [PATCH 7/9] sched,debug: Convert sysctl sched_domains to debugfs Peter Zijlstra
2021-03-26 13:11 ` Dietmar Eggemann
2021-04-07 10:46 ` Valentin Schneider
2021-04-07 12:18 ` Peter Zijlstra
2021-03-26 10:34 ` Peter Zijlstra [this message]
2021-03-26 11:05 ` [PATCH 8/9] sched: Move /proc/sched_debug " Greg KH
2021-03-26 10:34 ` [PATCH 9/9] sched,fair: Alternative sched_slice() Peter Zijlstra
2021-03-26 12:08 ` Dietmar Eggemann
2021-03-26 14:07 ` Peter Zijlstra
2021-03-26 15:37 ` Vincent Guittot
2021-03-26 18:30 ` Peter Zijlstra
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