Hi,
I used this command gcc --version. how can i check that the Userspace
RCU 4.1 library was installed already. if so how to uninstall that?
gcc (GCC) 4.3.0 20080428 (Red Hat 4.3.0-8)
Copyright (C) 2008 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
----- Original Message -----
From: "Mathieu Desnoyers" <[email protected]>
To: "Thirumalai" <[email protected]>
Cc: "Pierre-Marc Fournier" <[email protected]>;
<[email protected]>
Sent: Wednesday, March 03, 2010 10:43 AM
Subject: Re: [ltt-dev] UST 0.3 released
* Thirumalai ([email protected]) wrote:
Hi,
I compiled for x86 processor. and since it is fedora core 9. gcc version
is
4.3 i believe. My linux box is containing a quad core processor with 4GB
ram.
Can you provide the output of
gcc --version
please ?
Can you also tell us if you ever installed the Userspace RCU library
from the git tree in your system ? (it could be in conflict with the
Userspace RCU 4.1 library).
Thank you,
Mathieu
Regards,
Thirumalai
----- Original Message ----- From: "Pierre-Marc Fournier"
<[email protected]>
To: "Thirumalai" <[email protected]>
Cc: <[email protected]>
Sent: Tuesday, March 02, 2010 10:03 PM
Subject: Re: [ltt-dev] UST 0.3 released
Hi,
What gcc version are you using and for what architecture are you
compiling?
pmf
Thirumalai wrote:
Hi,
Yea. can you just tell me when this error will occur. when i searched
for this error on net i.e ": undefined reference to
`__sync_sub_and_fetch_4'" it is giving me some compiler options need to
be mentioned. But even we mentioned that option, the problem persists.
Regards,
T.
----- Original Message ----- From: "Pierre-Marc Fournier"
<[email protected]>
To: "Thirumalai" <[email protected]>
Cc: <[email protected]>
Sent: Tuesday, March 02, 2010 9:33 PM
Subject: Re: [ltt-dev] UST 0.3 released
Hi,
Thirumalai wrote:
Hi "Pierre-Marc Fournier",
we are new to userspace tracer. Just we have downloaded the
packages and try to use the tracer for our systems. But we end up with
following error messages when compiling ust-0.3.
[r...@itd210 ust-0.3]# make
make all-recursive
make[1]: Entering directory `/home/UST/ust-0.3'
Making all in snprintf
make[2]: Entering directory `/home/UST/ust-0.3/snprintf'
make[2]: Nothing to be done for `all'.
make[2]: Leaving directory `/home/UST/ust-0.3/snprintf'
Making all in libust
make[2]: Entering directory `/home/UST/ust-0.3/libust'
make[2]: Nothing to be done for `all'.
make[2]: Leaving directory `/home/UST/ust-0.3/libust'
Making all in .
make[2]: Entering directory `/home/UST/ust-0.3'
make[2]: Nothing to be done for `all-am'.
make[2]: Leaving directory `/home/UST/ust-0.3'
Making all in tests
make[2]: Entering directory `/home/UST/ust-0.3/tests'
Making all in hello
make[3]: Entering directory `/home/UST/ust-0.3/tests/hello'
/bin/sh ../../libtool --tag=CC --mode=link gcc -g -O2 -o hello
hello.o tp.o ../../libust/libust.la ../../libust-initializer.o
-lurcu-bp
gcc -g -O2 -o .libs/hello hello.o tp.o ../../libust-initializer.o
../../libust/.libs/libust.so -lurcu-bp -Wl,--rpath -Wl,/usr/local/lib
../../libust/.libs/libust.so: undefined reference to
`__sync_val_compare_and_swap_4'
../../libust/.libs/libust.so: undefined reference to
`__sync_sub_and_fetch_4'
collect2: ld returned 1 exit status
make[3]: *** [hello] Error 1
make[3]: Leaving directory `/home/UST/ust-0.3/tests/hello'
make[2]: *** [all-recursive] Error 1
make[2]: Leaving directory `/home/UST/ust-0.3/tests'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/home/UST/ust-0.3'
make: *** [all] Error 2
[r...@itd210 ust-0.3]#
Compiling envrioment :
We are using fedora core-9 distribution for
compilation of this. We installed the packages as per the README.
First installed libkcompat-0.1 then
usrspace-rcu-0.4.1 then ust-0.3.
Tell us what went wrong.
Are you sure you are using userspace-rcu 0.4.1? If I grep through the
whole git history, I see the symbols you are mentionning appear only
after 0.4.1...
pmf
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EfficiOS Inc.
http://www.efficios.com
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