[httperf] httperf-0.9.0 segmentation fault on Mac 10.6.7

[Michael Irwin]

Also, in case it helps, here is a crash log saved automatically by Mac OS X:

Process:         httperf [34206]
Path:            /usr/local/Cellar/httperf/0.9.0/bin/httperf
Identifier:      httperf
Version:         ??? (???)
Code Type:       X86-64 (Native)
Parent Process:  bash [87647]

Date/Time:       2011-05-02 10:38:57.263 -0400
OS Version:      Mac OS X 10.6.7 (10J869)
Report Version:  6

Exception Type:  EXC_BAD_ACCESS (SIGSEGV)
Exception Codes: KERN_INVALID_ADDRESS at 0x0000000000000004
Crashed Thread:  0  Dispatch queue: com.apple.main-thread

Thread 0 Crashed:  Dispatch queue: com.apple.main-thread
0   httperf                       	0x0000000100004638 0x100000000 + 17976
1   httperf                       	0x0000000100003602 0x100000000 + 13826
2   httperf                       	0x00000001000017f4 0x100000000 + 6132

Thread 0 crashed with X86 Thread State (64-bit):
  rax: 0x0000000100803000  rbx: 0x0000000000000001  rcx: 0x0000000000000920  rdx: 0x0000000000000124
  rdi: 0x0000000100810c00  rsi: 0x0000000000000000  rbp: 0x00007fff5fbff040  rsp: 0x00007fff5fbfce90
   r8: 0x0000000000000010   r9: 0x00000001001fc0a4  r10: 0x0000000000000020  r11: 0x0000000100103aa0
  r12: 0x0000000000000000  r13: 0x0000000000000000  r14: 0x0000000000000049  r15: 0x0000000000000000
  rip: 0x0000000100004638  rfl: 0x0000000000010202  cr2: 0x0000000000000004

Binary Images:
       0x100000000 -        0x10000ffff +httperf ??? (???) <3D06181E-79C8-32CC-91BB-42969BDA7322> /usr/local/bin/httperf
    0x7fff5fc00000 -     0x7fff5fc3bdef  dyld 132.1 (???) <486E6C61-1197-CC7C-2197-82CE505102D7> /usr/lib/dyld
    0x7fff81148000 -     0x7fff81169fff  libresolv.9.dylib 41.0.0 (compatibility 1.0.0) <9F322F47-0584-CB7D-5B73-9EBD670851CD> /usr/lib/libresolv.9.dylib
    0x7fff82d16000 -     0x7fff82d17ff7  com.apple.TrustEvaluationAgent 1.1 (1) <5952A9FA-BC2B-16EF-91A7-43902A5C07B6> /System/Library/PrivateFrameworks/TrustEvaluationAgent.framework/Versions/A/TrustEvaluationAgent
    0x7fff86e76000 -     0x7fff86eb0fff  libssl.0.9.8.dylib 0.9.8 (compatibility 0.9.8) <C7153747-50E3-32DA-426F-CC4C505D1D6C> /usr/lib/libssl.0.9.8.dylib
    0x7fff873c8000 -     0x7fff874e9fe7  libcrypto.0.9.8.dylib 0.9.8 (compatibility 0.9.8) <48AEAFE1-21F4-B3C8-4199-35AD5E8D0613> /usr/lib/libcrypto.0.9.8.dylib
    0x7fff87563000 -     0x7fff87574ff7  libz.1.dylib 1.2.3 (compatibility 1.0.0) <97019C74-161A-3488-41EC-A6CA8738418C> /usr/lib/libz.1.dylib
    0x7fff8801a000 -     0x7fff8801eff7  libmathCommon.A.dylib 315.0.0 (compatibility 1.0.0) <95718673-FEEE-B6ED-B127-BCDBDB60D4E5> /usr/lib/system/libmathCommon.A.dylib
    0x7fff8801f000 -     0x7fff881e0fff  libSystem.B.dylib 125.2.10 (compatibility 1.0.0) <9BAEB2F2-B485-6349-E1AB-637FE12EE770> /usr/lib/libSystem.B.dylib
    0x7fffffe00000 -     0x7fffffe01fff  libSystem.B.dylib ??? (???) <9BAEB2F2-B485-6349-E1AB-637FE12EE770> /usr/lib/libSystem.B.dylib

 

On May 2, 2011, at 10:32 AM, Michael Irwin wrote:

> Running httperf 0.9.0 on Mac 10.6.7 I get segmentation faults with certain command line options. It seems to be based on what --rate and/or --num-conn is set to. For example, the following shows the problem:
> 
> httperf --server clubland.heroku.com --uri "/" --num-conn 100 --num-call 1 --timeout 5 --port 80 --verbose --rate 30
> 
> And any rate >= 30 shows the same problem.
> 
> These do not seg fault (usually):
> httperf --server clubland.heroku.com --uri "/" --num-conn 100 --num-call 1 --timeout 5 --port 80 --verbose --rate 10
> httperf --server clubland.heroku.com --uri "/" --num-conn 100 --num-call 1 --timeout 5 --port 80 --verbose --rate 20
> httperf --server clubland.heroku.com --uri "/" --num-conn 50 --num-call 1 --timeout 5 --port 80 --verbose --rate 30
> 
> When I get the segmentation fault, the output is this:
> 
> httperf --server clubland.heroku.com --uri "/" --num-conn 100 --num-call 1 --timeout 5 --port 80 --verbose --rate 30
> httperf --verbose --timeout=5 --client=0/1 --server=clubland.heroku.com --port=80 --uri=/ --rate=30 --send-buffer=4096 --recv-buffer=16384 --num-conns=100 --num-calls=1
> httperf: warning: open file limit > FD_SETSIZE; limiting max. # of open files to FD_SETSIZE
> httperf: maximum number of open descriptors = 1024
> Segmentation fault
> 
> Not sure if it matters but `ulimit -n` is 256.
> 
> How can I solve this issue? Thanks!
> 
> Mike Irwin
> 
> 
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