Re: [Xenomai-core] Problem running klatency test

[Stefan Kisdaroczi]

Shashank Bhatia schrieb:
 [...]
 open(/proc/xenomai/registry/native/pipes/klat_pipe): No such file or
 directory
 modprobe klat_mod or try the -P option?

the module ist called xeno_klat. patch attached.

diff --git a/src/testsuite/klatency/klatency.c 
b/src/testsuite/klatency/klatency.c
index a22cd59..c419402 100644
--- a/src/testsuite/klatency/klatency.c
+++ b/src/testsuite/klatency/klatency.c
@@ -187,7 +187,7 @@ int main(int argc, char **argv)
if (benchdev == -1) {

perror(open(/proc/xenomai/registry/native/pipes/klat_pipe));
fprintf(stderr,
-   modprobe klat_mod or try the -P option?\n);
+   modprobe xeno_klat or try the -P option?\n);
exit(EXIT_FAILURE);
}
} else {


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Re: [Xenomai-core] Problem running klatency test

[Stefan Kisdaroczi]

Hi,

Shashank Bhatia schrieb:
 Dear All,
 
   I could manage to compile my patched kernel on ubuntu using
 the following guide : https://wiki.ubuntu.com/KernelTeam/GitKernelBuild
 
 Now when i installed Xenomai, i could run the latency tests, but when i
 tried to run the kernel space latency test, i found the following error.
 
 
 r...@shashank-desktop:/usr/share/xenomai/testsuite/klatency# ./run 
 *
 *
 * Type ^C to stop this application.
 *
 *
 open(/proc/xenomai/registry/native/pipes/klat_pipe): No such file or
 directory
 modprobe klat_mod or try the -P option?

1) go to your xeno-patched kernel tree
2) make menuconfig
3) navigate to Real-time sub-system --- Drivers --- Testing Drivers
4) enable 'Timer benchmark driver'
5) a new options pops up: 'Kernel-only latency measurement module'
6) enable this option
7) rebuild kernel  install kernel  reboot
8) try again, if you enabled it as a module (M) and not built-in (*)
   use modprobe to load to module

kisda

 The dmesg | grep Xenomai gave the following output:
 [4.353912] I-pipe: Domain Xenomai registered.
 [4.353949] Xenomai: hal/i386 started.
 [4.354530] Xenomai: real-time nucleus v2.4.8 (Lords Of Karma)
 loaded.
 [4.354612] Xenomai: SMI-enabled chipset found
 [4.354623] Xenomai: SMI workaround enabled
 [4.354647] Xenomai: starting native API services.
 [4.354650] Xenomai: starting POSIX services.
 [4.354693] Xenomai: starting RTDM services.
 
 
 
 Thanks in advance
 
 
 -
 Hi-Tech Gears Limited, Gurgaon, India
 
 
 
 
 
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