[Devel] Re: Pid namespaces approaches testing results

2007-06-06 Thread Pavel Emelianov
Cedric Le Goater wrote: The flat model has many optimization ways in comparison with the multilevel one. Like we can cache the pid value on structs and some other. Moreover having generic level nesting sounds reasonable. Having single level nesting - too as all the namespace we have are

[Devel] Re: Pid namespaces approaches testing results

2007-06-01 Thread Pavel Emelianov
Cedric Le Goater wrote: Serge E. Hallyn wrote: Quoting Pavel Emelianov ([EMAIL PROTECTED]): Dave Hansen wrote: On Tue, 2007-05-29 at 15:45 +0400, Pavel Emelianov wrote: The detailed results are the following: Test name:spawn execlshellps (sys time) 1(no ns) :579.1

[Devel] Re: Pid namespaces approaches testing results

2007-06-01 Thread Cedric Le Goater
Serge E. Hallyn wrote: Quoting Pavel Emelianov ([EMAIL PROTECTED]): Dave Hansen wrote: On Tue, 2007-05-29 at 15:45 +0400, Pavel Emelianov wrote: The detailed results are the following: Test name:spawn execlshellps (sys time) 1(no ns) :579.1 618.31623.2 3.052s

[Devel] Re: Pid namespaces approaches testing results

2007-05-30 Thread Pavel Emelianov
Dave Hansen wrote: On Tue, 2007-05-29 at 15:45 +0400, Pavel Emelianov wrote: The detailed results are the following: Test name:spawn execlshellps (sys time) 1(no ns) :579.1 618.31623.2 3.052s 2(suka's):570.7 610.81600.2 3.107s Slowdown :1.5%

[Devel] Re: Pid namespaces approaches testing results

2007-05-30 Thread Serge E. Hallyn
Quoting Pavel Emelianov ([EMAIL PROTECTED]): Dave Hansen wrote: On Tue, 2007-05-29 at 15:45 +0400, Pavel Emelianov wrote: The detailed results are the following: Test name:spawn execlshellps (sys time) 1(no ns) :579.1 618.31623.2 3.052s 2(suka's):570.7

[Devel] Re: Pid namespaces approaches testing results

2007-05-30 Thread Pavel Emelianov
Serge E. Hallyn wrote: Quoting Pavel Emelianov ([EMAIL PROTECTED]): Dave Hansen wrote: On Tue, 2007-05-29 at 15:45 +0400, Pavel Emelianov wrote: The detailed results are the following: Test name:spawn execlshellps (sys time) 1(no ns) :579.1 618.31623.2 3.052s

[Devel] Re: Pid namespaces approaches testing results

2007-05-29 Thread Eric W. Biederman
Pavel Emelianov [EMAIL PROTECTED] writes: Hi Eric, Suka, guys. I have tested the following configurations: 1. 2.6.21-mm2 kernel with Suka's patches with CONFIG_PID_NS=n 2. the same with CONFIG_PID_NS=y 3. 2.6.22-rc1-mm1 kernel with my own realisation (patches will be sent later if

[Devel] Re: Pid namespaces approaches testing results

2007-05-29 Thread Pavel Emelianov
Eric W. Biederman wrote: Pavel Emelianov [EMAIL PROTECTED] writes: Hi Eric, Suka, guys. I have tested the following configurations: 1. 2.6.21-mm2 kernel with Suka's patches with CONFIG_PID_NS=n 2. the same with CONFIG_PID_NS=y 3. 2.6.22-rc1-mm1 kernel with my own realisation (patches

[Devel] Re: Pid namespaces approaches testing results

2007-05-29 Thread Dave Hansen
On Tue, 2007-05-29 at 15:45 +0400, Pavel Emelianov wrote: The detailed results are the following: Test name:spawn execlshellps (sys time) 1(no ns) :579.1 618.31623.2 3.052s 2(suka's):570.7 610.81600.2 3.107s Slowdown :1.5% 1.3% 1.4%