Messages in this thread |  | | Date | Thu, 5 Dec 2013 12:15:50 -0500 | From | Dave Jones <> | Subject | Re: lots of brief rcu stalls. |
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On Thu, Dec 05, 2013 at 08:49:12AM -0800, Paul E. McKenney wrote:
> But what workload are you running that causes this? The only way I > can think of to make this happen requires that you have at least one > CPU spending more than 21 seconds running continuously in kernel mode. > Is that what you are doing, or have you come up with some other creative > way for this to happen? In the latter case, I would really like to know > about it in case it exposes yet another flaw in my RCU design. ;-)
just the regular trinity runs, so it could be anything. (Running a few instances of it, with a couple dozen child processes each to drive up the loadavg)
if only I had a trace or something that I could start to guess at what was happening :)
Dave
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