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| author |  Yajun Deng <yajun.deng@linux.dev>
| 2023-07-20 16:05:16 +0800 |
|---|---|---|
| committer |  Ingo Molnar <mingo@kernel.org>
| 2023-10-07 11:33:28 +0200 |
| commit | bc87127a45928de5fdf0ec39d7a86e1edd0e179e (patch) | |
| tree | 5e0498200d34806ca504f9139bb7fae818e5f37d /kernel/sched/core.c | |
| parent | intel_idle: Add ibrs_off module parameter to force-disable IBRS (diff) | |
| download | linux-bc87127a45928de5fdf0ec39d7a86e1edd0e179e.tar.gz linux-bc87127a45928de5fdf0ec39d7a86e1edd0e179e.tar.bz2 linux-bc87127a45928de5fdf0ec39d7a86e1edd0e179e.zip | |
sched/debug: Print 'tgid' in sched_show_task()
Multiple blocked tasks are printed when the system hangs. They may have
the same parent pid, but belong to different task groups.
Printing tgid lets users better know whether these tasks are from the same
task group or not.
Signed-off-by: Yajun Deng <yajun.deng@linux.dev>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20230720080516.1515297-1-yajun.deng@linux.dev
Diffstat (limited to 'kernel/sched/core.c')
| -rw-r--r-- | kernel/sched/core.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/kernel/sched/core.c b/kernel/sched/core.c index f5783cb16791..cf6d3fdd4eb5 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -9089,9 +9089,9 @@ void sched_show_task(struct task_struct *p) if (pid_alive(p)) ppid = task_pid_nr(rcu_dereference(p->real_parent)); rcu_read_unlock(); - pr_cont(" stack:%-5lu pid:%-5d ppid:%-6d flags:0x%08lx\n", - free, task_pid_nr(p), ppid, - read_task_thread_flags(p)); + pr_cont(" stack:%-5lu pid:%-5d tgid:%-5d ppid:%-6d flags:0x%08lx\n", + free, task_pid_nr(p), task_tgid_nr(p), + ppid, read_task_thread_flags(p)); print_worker_info(KERN_INFO, p); print_stop_info(KERN_INFO, p); |