Re: [Sserver-three-d] perfctr timer

[Andreas D. L. <ad...@tz...>]

... I had the same problem and some time ago and Pat had the answer:

Patrick Riley wrote:
 > I'll take a guess and say you didn't follow this step of the perfctr
 > install:
 >
 > DEVICE FILE
 > -----------
 > The kernel-side of this package is implemented as a character device
 > driver, which has been assigned major number 10 and minor number 182.
 > The first time you install the package, a special file representing
 > this device must be created. As root, execute:
 >
 > 	mknod /dev/perfctr c 10 182
 > 	chmod 644 /dev/perfctr
 >
 > If the driver was built as a module, it will be have to be loaded
 > into the kernel before it can be used. This will happen automatically
 > if the kernel was built with support for the kernel module loader
 > (CONFIG_KMOD=y). For 2.6 kernels no further action is needed. For
 > 2.4 kernels, the following should be added to /etc/modules.conf:
 >
 > 	alias char-major-10-182 perfctr
 >

Best regards,
Andreas Lattner
(Virtual Werder 3D)

so...@ce... wrote:
> Dear All,
> I have installed the perfctr kernel patch on my Gentoo machine. When I run
> the rcssserver3D, I get the following error messages for all agent
> pids(e.g. 3363 below):
> 
> "EngineError(0): PerfCtrFD::fdOpenSelf: open failed 2 No such file or
> directory
> EngineError(0): PerfCtrFD::openControlSend: failed openSelf
> EngineError(0): ProcessTimer_PerfCtrInstr::setupPostForkPreExec: failed
> openControlSend
> EngineError(0): ProcessTimer_PerfCtrInstr::prot_notifyAddPid: did not
> receive fd for pid 3363
> EngineWarning[10](0): Subclass rejected adding the pid 3363
> E"
> 
> But after that the server is up and all agents are ok.
> What is the problem?
> If the perfctr timer fails to initialize then which timer is used during
> the simulation?(Is it default?)
> 
> My machine configuration is:
>   -Gentoo Linux(kernel 2.6.11-gentoo-r11)
>   -perfctr 2.6.14
>   -Spades 1.10
>   -"perfctr_instr 10000" in agentdb.xml
> 
> Regards,
> Mojtaba Solgi
>