similar to: Apple fixes DTrace

I cannot seem to probe any of the Python interpreter''s C functions on OS X. $ sudo dtrace -n ''pid$target::PyEval_EvalFrameEx:entry'' -c python dtrace: invalid probe specifier pid$target::PyEval_EvalFrameEx:entry: probe description pid59706::PyEval_EvalFrameEx:entry does not match any probes These functions show up in ustack()s, but they do not appear to be available

I have a test program which has a call sequence of a(), b(), c(), d(). When I place a pid return probe on d(), I get a ustack that looks like this: a.out`d+0x19 a.out`b+0xd a.out`a+0xd a.out`main+0x3c a.out`_start+0x7a The c() method appears to be missing. I did some poking around and noticed that pid return probes

As of patch 32953 dtrace support is in bleadperl (5.11.0). The probes are based on Alan Burlinson''s original blog post on the subject: http://blogs.sun.com/alanbur/date/20050909 By guarding the probes with PERL_SUB_*_ENABLED the performance hit is unmeasurable. All the necessary bits already existed in the wild. I just assembled them and made the necessary changes to

I have been doing some profiling using the profile provider. I have a command that runs more slowly on the T1000 than it does on prior systems and I am trying to find out why. Using the profile provider at 1000 hz, and aggregating on the ustack output, I find that the same function appears at the top of the stack on both platforms, but on each there are specific instruction locations within

I am trying to integrate John Levon''s ustack() helper for Python into the upstream Python sources. The method for doing this on Solaris is to compile the phelper.d script containing the helper into an object file using "dtrace -G". dtrace on OS X does not have "dtrace -G", just "dtrace -h". This works fine for USDT probes, but I am at a loss on how to

Hi, A frequently seen issue with importing SPSS data files, is that R does not import the 'long variable names'. I built a patch on the R-project's foreign module, in order to import the 'long variable names' from SPSS (record 7, subtype 13). To complete the job, I had to expand the "struct variable" definition to have 64 +1 charachters. I'm not aware of side

Hi people, When working with some usdt C++ probes we have come across a few issues. Controlling USDT Function name: Putting in usdt probes into C++ code gives you the mangled enclosing function name for the probes Function name. Working around this can be a pain. You need to wrap your usdt probes in extern C functions and call these. Could we have an option to control the Function name for

Hi all, I am trying to write a D script which would print ustack() for every program in the system receiving SIGSEGV. All the stacks printed in trap()/sigtoproc() context do not have meaningful symbols. The following solves the problem to some degree but I''d much rather have a self-contained D script. dtrace -w -n ''fbt:genunix:sigtoproc:entry/arg2 == 11/ {

Hmm, I guess I need a sys::Math::getRandom() function that uses a "good" random number generator on the given platform. I'll make a note of this and tuck it away for future implementation. Reid. Chris Lattner wrote: > On Tue, 28 Sep 2004, Paolo Invernizzi wrote: > > >>The next major problem is that VC has only >> >>int rand(void) >>void srand(

Howdy, I was playing around with the malloc/free D script provided by Philip Beevers: http://www.opensolaris.org/jive/thread.jspa?threadID=4224&tstart=15 And decided to change the free:entry probe from: pid24169::free:entry / sz[arg0] / { printf("Freeing %p (size %d)\n", arg0, sz[arg0]); sz[arg0] = 0; } to: pid24169::free:entry / ! sz[arg0] / { printf("[ *

I have a funny issue whereby when a application exits the proc:::exit probe doesn''t seem to be firing. A customer has written a dtrace script that outputs some info whenever proc:::exit fires but on occasion (random, no pattern in behaviour) dtrace exits without outputting the data. They are running dtrace via ''dtrace -s exit_trace.d -p <pid>'' Can anyone think

Hi, I am fairly new to DTrace, and wanted to ask something regarding synchronization objects. I have a multithreaded C++ program in which I use semaphores (POSIX version) for synchronization. I was interested in using DTrace to figure out the total time for which each thread in my application sleeps, blocked on a semaphore, i.e., as a result of sem_wait() call. In order to measure this, I

Hi, I was looking into the implementation of TailRecursionElimination, and noticed that we have the constrain that if any call uses a local, even though it doesn't capture the local, it would still prohibit TCE. This contain seems unnecessary and overly limiting? Relevant code is here:

On Nov 14, 2011, at 4:52 PM, Chad Rosier wrote: > Devang, > I believe this has been fixed with llvm r144547. See: <rdar://problem/10441389>. It is likely that r144546 fixed some other bug. I just checked, this still fails with r144602. - Devang -------------- next part -------------- An HTML attachment was scrubbed... URL:

Howdy, I am attempting to isolate the location of a memory leak in a 4GL program, and have hit a bit of a snag. When I LD_PRELOAD libumem and run the application server, "::findleaks -fdv" reports numerous leaks: CACHE LEAKED BUFCTL CALLER 0000000100b49068 15 0000000100ef2d50 fdcon+0x6c4 0000000100b50028 1 0000000100b72ac0 fdcon+0x6c4 0000000100b49068

> On Oct 27, 2016, at 6:38 PM, Davide Italiano via llvm-dev <llvm-dev at lists.llvm.org> wrote: > > On Thu, Oct 27, 2016 at 5:39 PM, Maxime Chevalier-Boisvert via > llvm-dev <llvm-dev at lists.llvm.org> wrote: >> Hello, >> >> We’d like to keep track of which clang version was used to build our LLVM binaries. We use cmake and ninja with clang to build.

On Wed, 29 Sep 2004, Reid Spencer wrote: > > On Tue, 28 Sep 2004, Paolo Invernizzi wrote: > >>The next major problem is that VC has only > >> > >>int rand(void) > >>void srand( int seed ) > >> > >>So I donno how to compile the > >>ExecutionEngine/Interpreter/ExternalFunctions.cpp that refers to the > >>drand48 srand48

Hi: On niagara system, I am trying to resolve the Lock contention which results in low CPU usage. I have probed the Mutex hold event for heavy expensive lock releasing during user land processes test cycle. Any way to further investigate the call below is contributed by system library, user land process or kernel lock. This Mutex Hold: libsyssrv.so`__1cHSWMutexLmutexUnlock6M Thanks This

I'm trying to get Dovecot (dovecot-0.99.10-6) to work with Eudora (6.0 mac/win) and am having a real problem when I try to enable SSL, either TLS or alternate-port SSL. Although my other mail clients, mail.app, imp, etc. work just fine, either version of Eudora craps out when trying to connect via TLS or SSL -- on the mac I get the error Could not get mailbox list. 20 [CLOSED]

I''m trying to install CiscoWorks 2.5 on Solaris 10 update 1, and after the install when I try to start the daemon, it errors: # /opt/CSCOpx/objects/dmgt/dmgtd.sol ERROR: open file dmgtd failedERROR >>>>>>>>>>>>> open msg catalog failed. NLSPATH incorrect or objects/share/nls/C/dmgtd.cat is missing. # echo $NLSPATH