I am trying to see the impact of different memory allocators on multi-threaded
workloads on my AMD machine running OpenSolaris 2009.06. I successfully used
libmtmalloc and libumem, however, it is giving core dump (through SEG fault)
when I used libhoard_32.so. However, I didn't get any errors when I compiled
using libhoard_32.so. Moreover, it is fine when I used number of threads from 1
to 6. It is giving core dump with 7 threads and above,
I compiled a multi-threaded program called "swaptions". I also provided the
stack trace of the core dump. Could you please tell me the problem? Any
directions to find the actual problem please.
$ file /usr/lib/libhoard_32.so
/usr/lib/libhoard_32.so: ELF 32-bit LSB dynamic lib 80386 Version 1
[SSE2 SSE AMD_3DNow CMOV], dynamically linked, not stripped
$ ldd swaptions
libpthread.so.1 => /lib/libpthread.so.1
/usr/lib/libhoard_32.so
libCrun.so.1 => /usr/lib/libCrun.so.1
libstdc++.so.6 => /usr/lib/libstdc++.so.6
libm.so.2 => /lib/libm.so.2
libgcc_s.so.1 => /usr/lib/libgcc_s.so.1
libc.so.1 => /lib/libc.so.1
libthread.so.1 => /usr/lib/lwp/libthread.so.1
libdl.so.1 => /lib/libdl.so.1
$ mdb core
Loading modules: [ ld.so.1 ]
> ::stack
libhoard_32.so`__1cFHoardMHoardManager4n0AVAlignedSuperblockHeap4nCHLMSpinLock
Type_udsyQ__n0AKGlobalHeap4udsyQiIn0C___n0APHoardSuperblock4n0C_idsyQn0AJSmall
Heap___iIn0C_n0AbBhoardThresholdFunctionClass_n0F__Gmalloc6MI_pv_+0x12d(
fef155b4, 1088, febdfee4, feefad51)
libhoard_32.so`__1cCHLKHybridHeap4ibwjWnFHoardOThreadPoolHeap4ibnKieYn0BSPerTh
readHoardHeap___n0BHBigHeap__Gmalloc6MI_pv_+0x82(fef13850, 1088, fd9c2d48,
feef8364)
libhoard_32.so`malloc+0xe3(1088, fd9c2d78, feefe59d, fef155b4)
_Z7dmatrixllll+0x51(0, 2, 0, af, fef11d50, fd9c2dac)
_Z28HJM_SimPath_Forward_BlockingPPdiidS_S_S0_Pli+0x51(fe4d0224, b, 3, 0,
40160000, fea83ac8)
_Z21HJM_Swaption_BlockingPddddddiidS_PS_llii+0x438(fd9c2fa4, 9999999a,
3fb99999, 0, 0, 0)
_Z6workerPv+0xae(8047c48, fed4f000, fd9c2fec, fecbcd1e)
libc_hwcap2.so.1`_thrp_setup+0x7e(fe937400)
libc_hwcap2.so.1`_lwp_start(fe937400, 0, 0, fecbcd1e, 0, 0)
> ::status
debugging core file of swaptions (32-bit) from opensolaris
....
...
threading model: native threads
status: process terminated by SIGSEGV (Segmentation Fault), addr=C
--
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