Re: sched: RT throttling activated, 3.12.3

2013-12-10 Thread Howard Chu
Howard Chu wrote: Howard Chu wrote: Li Zefan wrote: On 2013/12/11 10:59, Howard Chu wrote: I just upgraded a system from a 3.5 kernel to 3.12.3 and attempted to run some new benchmarks on it. I see my test program ramps up in CPU usage for a few seconds and then it gradually tails off. There

Re: sched: RT throttling activated, 3.12.3

2013-12-10 Thread Howard Chu
Howard Chu wrote: Li Zefan wrote: On 2013/12/11 10:59, Howard Chu wrote: I just upgraded a system from a 3.5 kernel to 3.12.3 and attempted to run some new benchmarks on it. I see my test program ramps up in CPU usage for a few seconds and then it gradually tails off. There's nothing obvious

Re: sched: RT throttling activated, 3.12.3

2013-12-10 Thread Howard Chu
Li Zefan wrote: On 2013/12/11 10:59, Howard Chu wrote: I just upgraded a system from a 3.5 kernel to 3.12.3 and attempted to run some new benchmarks on it. I see my test program ramps up in CPU usage for a few seconds and then it gradually tails off. There's nothing obvious in the user code t

Re: sched: RT throttling activated, 3.12.3

2013-12-10 Thread Li Zefan
On 2013/12/11 10:59, Howard Chu wrote: > I just upgraded a system from a 3.5 kernel to 3.12.3 and attempted to run > some new benchmarks on it. I see my test program ramps up in CPU usage for a > few seconds and then it gradually tails off. There's nothing obvious in the > user code to trigger t

sched: RT throttling activated, 3.12.3

2013-12-10 Thread Howard Chu
I just upgraded a system from a 3.5 kernel to 3.12.3 and attempted to run some new benchmarks on it. I see my test program ramps up in CPU usage for a few seconds and then it gradually tails off. There's nothing obvious in the user code to trigger this behavior, so I check dmesg, and see this: