From: Frederic Weisbecker <[email protected]> When we read a process's procfs stat file, we need to flush the cputimes of the tasks running in nohz cpusets in case some childs in the thread group are running there.
Signed-off-by: Frederic Weisbecker <[email protected]> Cc: Alessio Igor Bogani <[email protected]> Cc: Andrew Morton <[email protected]> Cc: Avi Kivity <[email protected]> Cc: Chris Metcalf <[email protected]> Cc: Christoph Lameter <[email protected]> Cc: Daniel Lezcano <[email protected]> Cc: Geoff Levand <[email protected]> Cc: Gilad Ben Yossef <[email protected]> Cc: Hakan Akkan <[email protected]> Cc: Ingo Molnar <[email protected]> Cc: Kevin Hilman <[email protected]> Cc: Max Krasnyansky <[email protected]> Cc: Paul E. McKenney <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Stephen Hemminger <[email protected]> Cc: Steven Rostedt <[email protected]> Cc: Sven-Thorsten Dietrich <[email protected]> Cc: Thomas Gleixner <[email protected]> --- fs/proc/array.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/fs/proc/array.c b/fs/proc/array.c index c1c207c..f7e1fdc 100644 --- a/fs/proc/array.c +++ b/fs/proc/array.c @@ -406,6 +406,8 @@ static int do_task_stat(struct seq_file *m, struct pid_namespace *ns, cutime = cstime = utime = stime = 0; cgtime = gtime = 0; + /* For thread group times */ + cpuset_nohz_flush_cputimes(); if (lock_task_sighand(task, &flags)) { struct signal_struct *sig = task->signal; -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
