Messages in this thread | | | Date | Thu, 21 Feb 2013 12:35:38 -0600 | From | Nathan Zimmer <> | Subject | Re: mmotm 2013-02-19-17-20 uploaded |
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On 02/21/2013 12:27 PM, Stephen Boyd wrote: > On 2/21/2013 10:18 AM, Nathan Zimmer wrote: >> On Thu, Feb 21, 2013 at 01:25:29AM -0800, Stephen Boyd wrote: >>> On 2/19/2013 5:21 PM, akpm@linux-foundation.org wrote: >>>> * timer_list-split-timer_list_show_tickdevices.patch >>>> * timer_list-convert-timer-list-to-be-a-proper-seq_file.patch >>>> * timer_list-convert-timer-list-to-be-a-proper-seq_file-fix.patch >>>> * timer_list-convert-timer-list-to-be-a-proper-seq_file-v2.patch >>>> * timer_list-convert-timer-list-to-be-a-proper-seq_file-v2-fix.patch >>>> * timer_list-convert-timer-list-to-be-a-proper-seq_file-fix-fix.patch >>> These commits seem to break the timer list on devices with maxcpus != >>> nr_cpu_ids, which is possible if you specify maxcpus on the kernel >>> command line. I no longer see the percpu devices that I normally have >>> after the broadcast device. >> Interesting. >> However I can't seem to boot at the moment with maxcpus set to less then the actual >> number of cpus so I am not having much luck investigating right now. > It works well on ARM processors. I believe it still works on x86 devices > as well. I suppose you can simulate it by offlining a CPU and then > reading the file. Thanks I am seeing the failure now. > This comment is useful around the cpumask functions. > > Returns >= nr_cpu_ids if no further cpus set. > I had assumed it would be = nr_cpu_ids. I will need to rethink the iterator.
Also I retested my other patches in the series, the ones for schedstat and sched_debug, and those worked fine.
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