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authorLinus Torvalds <torvalds@linux-foundation.org>2020-08-15 10:36:40 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2020-08-15 10:36:40 -0700
commit1195d58f003bf84d37fc5c30017600e09ba567b2 (patch)
treead01500bddcf5099326fa33e25e154407bc037f7
parent7f5faaaa5909bb0b26dcd309424da14bdf0c7e93 (diff)
parentcc172ff301d8079e941a6eb31758951a6d764084 (diff)
downloadlinux-stericsson-1195d58f003bf84d37fc5c30017600e09ba567b2.tar.gz
Merge tag 'sched-urgent-2020-08-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fixes from Ingo Molnar: "Two fixes: fix a new tracepoint's output value, and fix the formatting of show-state syslog printouts" * tag 'sched-urgent-2020-08-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: sched/debug: Fix the alignment of the show-state debug output sched: Fix use of count for nr_running tracepoint
-rw-r--r--kernel/sched/core.c15
-rw-r--r--kernel/sched/sched.h2
2 files changed, 5 insertions, 12 deletions
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 84758f34cdb0..8471a0f7eb32 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -6431,10 +6431,10 @@ void sched_show_task(struct task_struct *p)
if (!try_get_task_stack(p))
return;
- printk(KERN_INFO "%-15.15s %c", p->comm, task_state_to_char(p));
+ pr_info("task:%-15.15s state:%c", p->comm, task_state_to_char(p));
if (p->state == TASK_RUNNING)
- printk(KERN_CONT " running task ");
+ pr_cont(" running task ");
#ifdef CONFIG_DEBUG_STACK_USAGE
free = stack_not_used(p);
#endif
@@ -6443,8 +6443,8 @@ void sched_show_task(struct task_struct *p)
if (pid_alive(p))
ppid = task_pid_nr(rcu_dereference(p->real_parent));
rcu_read_unlock();
- printk(KERN_CONT "%5lu %5d %6d 0x%08lx\n", free,
- task_pid_nr(p), ppid,
+ pr_cont(" stack:%5lu pid:%5d ppid:%6d flags:0x%08lx\n",
+ free, task_pid_nr(p), ppid,
(unsigned long)task_thread_info(p)->flags);
print_worker_info(KERN_INFO, p);
@@ -6479,13 +6479,6 @@ void show_state_filter(unsigned long state_filter)
{
struct task_struct *g, *p;
-#if BITS_PER_LONG == 32
- printk(KERN_INFO
- " task PC stack pid father\n");
-#else
- printk(KERN_INFO
- " task PC stack pid father\n");
-#endif
rcu_read_lock();
for_each_process_thread(g, p) {
/*
diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index 3fd283892761..28709f6b0975 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -1999,7 +1999,7 @@ static inline void sub_nr_running(struct rq *rq, unsigned count)
{
rq->nr_running -= count;
if (trace_sched_update_nr_running_tp_enabled()) {
- call_trace_sched_update_nr_running(rq, count);
+ call_trace_sched_update_nr_running(rq, -count);
}
/* Check if we still need preemption */