On 06/06/2012 11:48 AM, Philippe Gerum wrote:
> On 06/06/2012 11:18 AM, ali hagigat wrote:
>> Much appreciate for the reply, Mr. Gerum. Here is the result of ldd
>> command:
>>
>
> http://www.xenomai.org/pipermail/xenomai-help/2011-12/msg00012.html
Alternatively, this patch may work as well (not tested, but this
looks like a former issue we had with aggressive optimizers):
diff --git a/src/skins/posix/init.c b/src/skins/posix/init.c
index 7a338a0..9c7849e 100644
--- a/src/skins/posix/init.c
+++ b/src/skins/posix/init.c
@@ -43,6 +43,7 @@ void pse51_clock_init(int);
static __attribute__ ((constructor))
void __init_posix_interface(void)
{
+ volatile pthread_t tid = pthread_self();
#ifndef CONFIG_XENO_LIBS_DLOPEN
struct sched_param parm;
int policy;
@@ -80,14 +81,14 @@ void __init_posix_interface(void)
/* Don't use auto-shadowing if we are likely invoked from dlopen. */
#ifndef CONFIG_XENO_LIBS_DLOPEN
- err = __real_pthread_getschedparam(pthread_self(), &policy, &parm);
+ err = __real_pthread_getschedparam(tid, &policy, &parm);
if (err) {
fprintf(stderr, "Xenomai Posix skin init: "
"pthread_getschedparam: %s\n", strerror(err));
exit(EXIT_FAILURE);
}
- err = __wrap_pthread_setschedparam(pthread_self(), policy, &parm);
+ err = __wrap_pthread_setschedparam(tid, policy, &parm);
if (err) {
fprintf(stderr, "Xenomai Posix skin init: "
"pthread_setschedparam: %s\n", strerror(err));
>
>> /usr/xenomai/bin> ldd switchtest
>> linux-gate.so.1 => (0xb786c000)
>> libpthread_rt.so.1 => /usr/xenomai/lib/libpthread_rt.so.1 (0xb785f000)
>> libxenomai.so.0 => /usr/xenomai/lib/libxenomai.so.0 (0xb7859000)
>> libpthread.so.0 => /lib/libpthread.so.0 (0x0058e000)
>> librt.so.1 => /lib/librt.so.1 (0x005c3000)
>> libc.so.6 => /lib/libc.so.6 (0x003cd000)
>> /lib/ld-linux.so.2 (0x003a7000)
>> /usr/xenomai/bin> ldd switchbench
>> ldd: ./switchbench: No such file or directory
>> /usr/xenomai/bin> cd /root
>> /root> ldd switchtest
>> ldd: ./switchtest: No such file or directory
>>
>>
>> On Wed, Jun 6, 2012 at 1:41 PM, Philippe Gerum<r...@xenomai.org> wrote:
>>> On 06/06/2012 11:06 AM, ali hagigat wrote:
>>>>
>>>> Thank you, Philippe, for the reply.
>>>>
>>>> How can i enable posix skin? should i do , make menuconfig, for the
>>>> kernel? Or i should change scripts/defconfig.frag?
>>>>
>>>> It seems that both places have the correct values already but i still
>>>> have the error:
>>>
>>>
>>> The POSIX skin is indeed enabled. What is the output of the command
>>> below?
>>>
>>> # ldd<your-executable>
>>>
>>>
>>>>
>>>> defconfig.frag:
>>>> #
>>>> # Interfaces
>>>> #
>>>> CONFIG_XENO_SKIN_NATIVE=y
>>>>
>>>> #
>>>> # Native interface options
>>>> #
>>>> CONFIG_XENO_OPT_NATIVE_PERIOD=0
>>>> CONFIG_XENO_OPT_NATIVE_PIPE=y
>>>> CONFIG_XENO_OPT_NATIVE_PIPE_BUFSZ=4096
>>>> CONFIG_XENO_OPT_NATIVE_SEM=y
>>>> CONFIG_XENO_OPT_NATIVE_EVENT=y
>>>> CONFIG_XENO_OPT_NATIVE_MUTEX=y
>>>> CONFIG_XENO_OPT_NATIVE_COND=y
>>>> CONFIG_XENO_OPT_NATIVE_QUEUE=y
>>>> CONFIG_XENO_OPT_NATIVE_HEAP=y
>>>> CONFIG_XENO_OPT_NATIVE_ALARM=y
>>>> CONFIG_XENO_OPT_NATIVE_MPS=y
>>>> # CONFIG_XENO_OPT_NATIVE_INTR is not set
>>>> CONFIG_XENO_SKIN_POSIX=y
>>>>
>>>> and in the kernel:
>>>> # Interfaces
>>>> #
>>>> CONFIG_XENO_SKIN_NATIVE=y
>>>> CONFIG_XENO_OPT_NATIVE_PERIOD=0
>>>> CONFIG_XENO_OPT_NATIVE_PIPE=y
>>>> CONFIG_XENO_OPT_NATIVE_PIPE_BUFSZ=1024
>>>> CONFIG_XENO_OPT_NATIVE_SEM=y
>>>> CONFIG_XENO_OPT_NATIVE_EVENT=y
>>>> CONFIG_XENO_OPT_NATIVE_MUTEX=y
>>>> CONFIG_XENO_OPT_NATIVE_COND=y
>>>> CONFIG_XENO_OPT_NATIVE_QUEUE=y
>>>> CONFIG_XENO_OPT_NATIVE_BUFFER=y
>>>> CONFIG_XENO_OPT_NATIVE_HEAP=y
>>>> CONFIG_XENO_OPT_NATIVE_ALARM=y
>>>> CONFIG_XENO_OPT_NATIVE_MPS=y
>>>> CONFIG_XENO_OPT_NATIVE_INTR=y
>>>> CONFIG_XENO_OPT_DEBUG_NATIVE=y
>>>> CONFIG_XENO_SKIN_POSIX=y
>>>> CONFIG_XENO_OPT_POSIX_PERIOD=0
>>>> CONFIG_XENO_OPT_POSIX_SHM=y
>>>> CONFIG_XENO_OPT_POSIX_INTR=y
>>>> CONFIG_XENO_OPT_POSIX_SELECT=y
>>>> CONFIG_XENO_OPT_DEBUG_POSIX=y
>>>> # CONFIG_XENO_SKIN_PSOS is not set
>>>> # CONFIG_XENO_SKIN_UITRON is not set
>>>> # CONFIG_XENO_SKIN_VRTX is not set
>>>> CONFIG_XENO_SKIN_VXWORKS=y
>>>> CONFIG_XENO_OPT_VXWORKS_PERIOD=1000
>>>> CONFIG_XENO_OPT_DEBUG_VXWORKS=y
>>>> # CONFIG_XENO_OPT_NOWARN_DEPRECATED is not set
>>>> CONFIG_XENO_SKIN_RTDM=y
>>>> CONFIG_XENO_OPT_RTDM_PERIOD=0
>>>> CONFIG_XENO_OPT_RTDM_FILDES=128
>>>> CONFIG_XENO_OPT_RTDM_SELECT=y
>>>> # CONFIG_XENO_OPT_DEBUG_RTDM is not set
>>>> CONFIG_XENO_OPT_DEBUG_RTDM_APPL=y
>>>>
>>>>
>>>> On Wed, Jun 6, 2012 at 1:00 PM, Philippe Gerum<r...@xenomai.org> wrote:
>>>>>
>>>>> On 06/06/2012 09:40 AM, ali hagigat wrote:
>>>>>>
>>>>>>
>>>>>> I have installed xenomai-2.6.0. None of the instrumentation commands
>>>>>> work except latency. What can i do?
>>>>>>
>>>>>
>>>>> Likely fix your Kconfig. Enable the Xenomai POSIX skin.
>>>>>
>>>>>> /root> switchbench
>>>>>> bash: switchbench: command not found
>>>>>> /root> switchtest
>>>>>> Xenomai Posix skin init: pthread_setschedparam: Function not
>>>>>> implemented
>>>>>> /root> cyclictest
>>>>>> Xenomai Posix skin init: pthread_setschedparam: Function not
>>>>>> implemented
>>>>>> /root> latency
>>>>>> == Sampling period: 100 us
>>>>>> == Test mode: periodic user-mode task
>>>>>> == All results in microseconds
>>>>>>
>>>>>> /root> xeno-test
>>>>>> Started child 7172: /bin/bash /usr/xenomai/bin/xeno-test-run-wrapper
>>>>>> /usr/xenomai/bin/xeno-test
>>>>>> ++ echo 0
>>>>>> ++ /usr/xenomai/bin/arith
>>>>>> mul: 0x79364d93, shft: 26
>>>>>> integ: 30, frac: 0x4d9364d9364d9364
>>>>>>
>>>>>> signed positive operation: 0x03ffffffffffffff * 1000000000 / 33000000
>>>>>> inline calibration: 0x0000000000000000: 28.751 ns, rejected 1/10000
>>>>>> inlined llimd: 0x79364d9364d9362f: 41.292 ns, rejected 1/10000
>>>>>> inlined llmulshft: 0x79364d92ffffffe1: 5.007 ns, rejected 0/10000
>>>>>> inlined nodiv_llimd: 0x79364d9364d9362f: 11.323 ns, rejected 1/10000
>>>>>> out of line calibration: 0x0000000000000000: 30.003 ns, rejected
>>>>>> 0/10000
>>>>>> out of line llimd: 0x79364d9364d9362f: 46.075 ns, rejected 1/10000
>>>>>> out of line llmulshft: 0x79364d92ffffffe1: 7.800 ns, rejected 1/10000
>>>>>> out of line nodiv_llimd: 0x79364d9364d9362f: 16.683 ns, rejected
>>>>>> 1/10000
>>>>>>
>>>>>> signed negative operation: 0xfc00000000000001 * 1000000000 / 33000000
>>>>>> inline calibration: 0x0000000000000000: 29.298 ns, rejected 1/10000
>>>>>> inlined llimd: 0x86c9b26c9b26c9d1: 39.658 ns, rejected 1/10000
>>>>>> inlined llmulshft: 0x86c9b26d0000001e: 4.059 ns, rejected 0/10000
>>>>>> inlined nodiv_llimd: 0x86c9b26c9b26c9d1: 16.976 ns, rejected 0/10000
>>>>>> out of line calibration: 0x0000000000000000: 30.002 ns, rejected
>>>>>> 1/10000
>>>>>> out of line llimd: 0x86c9b26c9b26c9d1: 48.757 ns, rejected 0/10000
>>>>>> out of line llmulshft: 0x86c9b26d0000001e: 11.085 ns, rejected
>>>>>> 1/10000
>>>>>> out of line nodiv_llimd: 0x86c9b26c9b26c9d1: 17.770 ns, rejected
>>>>>> 1/10000
>>>>>>
>>>>>> unsigned operation: 0x03ffffffffffffff * 1000000000 / 33000000
>>>>>> inline calibration: 0x0000000000000000: 28.749 ns, rejected 1/10000
>>>>>> inlined nodiv_ullimd: 0x79364d9364d9362f: 16.264 ns, rejected 0/10000
>>>>>> out of line calibration: 0x0000000000000000: 30.001 ns, rejected
>>>>>> 0/10000
>>>>>> out of line nodiv_ullimd: 0x79364d9364d9362f: 20.463 ns, rejected
>>>>>> 1/10000
>>>>>> ++ /usr/xenomai/bin/clocktest -T 30
>>>>>> Xenomai Posix skin init: pthread_setschedparam: Function not
>>>>>> implemented
>>>>>>
>>>>>>
>>>>>> Only latency seems working.
>>>>>>
>>>>>> _______________________________________________
>>>>>> Xenomai mailing list
>>>>>> Xenomai@xenomai.org
>>>>>> http://www.xenomai.org/mailman/listinfo/xenomai
>>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> Philippe.
>>>>
>>>>
>>>
>>>
>>> --
>>> Philippe.
>>
>
>
--
Philippe.
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