Re: [ANNOUNCE] 3.7-nohz1

2013-01-07 Thread Paul E. McKenney
On Sat, Jan 05, 2013 at 12:42:53AM +0100, Frederic Weisbecker wrote: > 2012/12/30 Paul E. McKenney : > > On Mon, Dec 24, 2012 at 12:43:25AM +0100, Frederic Weisbecker wrote: > >> 2012/12/21 Steven Rostedt : > >> > On Thu, 2012-12-20 at 19:32 +0100, Frederic Weisbecker wrote: > >> >> Let's imagine

Re: [ANNOUNCE] 3.7-nohz1

2013-01-07 Thread Paul E. McKenney
On Sat, Jan 05, 2013 at 12:42:53AM +0100, Frederic Weisbecker wrote: 2012/12/30 Paul E. McKenney paul...@linux.vnet.ibm.com: On Mon, Dec 24, 2012 at 12:43:25AM +0100, Frederic Weisbecker wrote: 2012/12/21 Steven Rostedt rost...@goodmis.org: On Thu, 2012-12-20 at 19:32 +0100, Frederic

Re: [ANNOUNCE] 3.7-nohz1

2013-01-04 Thread Frederic Weisbecker
2012/12/30 Paul E. McKenney : > On Mon, Dec 24, 2012 at 12:43:25AM +0100, Frederic Weisbecker wrote: >> 2012/12/21 Steven Rostedt : >> > On Thu, 2012-12-20 at 19:32 +0100, Frederic Weisbecker wrote: >> >> Let's imagine you have 4 CPUs. We keep the CPU 0 to offline RCU callbacks >> >> there and to

Re: [ANNOUNCE] 3.7-nohz1

2013-01-04 Thread Frederic Weisbecker
2012/12/30 Paul E. McKenney paul...@linux.vnet.ibm.com: On Mon, Dec 24, 2012 at 12:43:25AM +0100, Frederic Weisbecker wrote: 2012/12/21 Steven Rostedt rost...@goodmis.org: On Thu, 2012-12-20 at 19:32 +0100, Frederic Weisbecker wrote: Let's imagine you have 4 CPUs. We keep the CPU 0 to

Re: [ANNOUNCE] 3.7-nohz1

2012-12-29 Thread Paul E. McKenney
On Mon, Dec 24, 2012 at 12:43:25AM +0100, Frederic Weisbecker wrote: > 2012/12/21 Steven Rostedt : > > On Thu, 2012-12-20 at 19:32 +0100, Frederic Weisbecker wrote: > >> Let's imagine you have 4 CPUs. We keep the CPU 0 to offline RCU callbacks > >> there and to > >> handle the timekeeping. We set

Re: [ANNOUNCE] 3.7-nohz1

2012-12-29 Thread Paul E. McKenney
On Mon, Dec 24, 2012 at 12:43:25AM +0100, Frederic Weisbecker wrote: 2012/12/21 Steven Rostedt rost...@goodmis.org: On Thu, 2012-12-20 at 19:32 +0100, Frederic Weisbecker wrote: Let's imagine you have 4 CPUs. We keep the CPU 0 to offline RCU callbacks there and to handle the timekeeping.

Re: [ANNOUNCE] 3.7-nohz1

2012-12-23 Thread Frederic Weisbecker
2012/12/21 Steven Rostedt : > On Thu, 2012-12-20 at 19:32 +0100, Frederic Weisbecker wrote: >> Let's imagine you have 4 CPUs. We keep the CPU 0 to offline RCU callbacks >> there and to >> handle the timekeeping. We set the rest as full dynticks. So you need the >> following kernel >> parameters:

Re: [ANNOUNCE] 3.7-nohz1

2012-12-23 Thread Frederic Weisbecker
2012/12/21 Steven Rostedt rost...@goodmis.org: On Thu, 2012-12-20 at 19:32 +0100, Frederic Weisbecker wrote: Let's imagine you have 4 CPUs. We keep the CPU 0 to offline RCU callbacks there and to handle the timekeeping. We set the rest as full dynticks. So you need the following kernel

Re: [ANNOUNCE] 3.7-nohz1

2012-12-20 Thread Hakan Akkan
Hi, On Thu, Dec 20, 2012 at 11:32 AM, Frederic Weisbecker wrote: > Hi, > > So this is a new version of the nohz cpusets based on 3.7, except it's not > using > cpusets anymore and I actually based it on the middle of the 3.8 merge window > in order to get latest upstream full dynticks

Re: [ANNOUNCE] 3.7-nohz1

2012-12-20 Thread Steven Rostedt
On Thu, 2012-12-20 at 19:32 +0100, Frederic Weisbecker wrote: > Hi, > Nice work Frederic! > So this is a new version of the nohz cpusets based on 3.7, except it's not > using > cpusets anymore and I actually based it on the middle of the 3.8 merge window > in order to get latest upstream full

[ANNOUNCE] 3.7-nohz1

2012-12-20 Thread Frederic Weisbecker
Hi, So this is a new version of the nohz cpusets based on 3.7, except it's not using cpusets anymore and I actually based it on the middle of the 3.8 merge window in order to get latest upstream full dynticks preparatory work: cputime cleanups, RCU user mode, context tracking subsystem, nohz

[ANNOUNCE] 3.7-nohz1

2012-12-20 Thread Frederic Weisbecker
Hi, So this is a new version of the nohz cpusets based on 3.7, except it's not using cpusets anymore and I actually based it on the middle of the 3.8 merge window in order to get latest upstream full dynticks preparatory work: cputime cleanups, RCU user mode, context tracking subsystem, nohz

Re: [ANNOUNCE] 3.7-nohz1

2012-12-20 Thread Steven Rostedt
On Thu, 2012-12-20 at 19:32 +0100, Frederic Weisbecker wrote: Hi, Nice work Frederic! So this is a new version of the nohz cpusets based on 3.7, except it's not using cpusets anymore and I actually based it on the middle of the 3.8 merge window in order to get latest upstream full

Re: [ANNOUNCE] 3.7-nohz1

2012-12-20 Thread Hakan Akkan
Hi, On Thu, Dec 20, 2012 at 11:32 AM, Frederic Weisbecker fweis...@gmail.com wrote: Hi, So this is a new version of the nohz cpusets based on 3.7, except it's not using cpusets anymore and I actually based it on the middle of the 3.8 merge window in order to get latest upstream full