Re: [Monotone-devel] Re: HOWTO: benchmarking monotone (was Re: "memory exhausted" error for 'mtn list status' command)

[Markus Schiltknecht]

Hi,

Nathaniel Smith wrote:
> The one in net.venge.monotone.contrib.benchmark.  The thread is at:
>   
> http://thread.gmane.org/gmane.comp.version-control.monotone.devel/7524/focus=7527

I'm currently playing around with that branch. Two things, a minor one:

$ ./drop_caches
Trying /proc/sys/vm/drop_caches... (requires Linux 2.6.16+)
$ uname -srmo
Linux 2.6.19-rc1 i686 GNU/Linux

And the python traceback below. I didn't look into the source, yet...

Regards

Markus


$ python benchmark.py -m mtn-0.30=../nvm.cbr/mtn -m 
mtn-30cbr=../nvm.cbr/mtn -b 
pull='InitialPull(ExistingRepo("../monotone.db"))' -b 
import-add='InitialImportAdd(SimpleRandomTree(num_files=100))' myscratch 
myresults --cache mycache
No instrumenters given, using default 'time' instrumenter
/home/markus/projects/monotone/nvm.cbench/myscratch/pull/setup-mtn-0.30/mtn 
--keydir 
/home/markus/projects/monotone/nvm.cbench/myscratch/pull/setup-mtn-0.30/keys 
--rcfile 
/home/markus/projects/monotone/nvm.cbench/myscratch/pull/setup-mtn-0.30/rcfile.lua 
--root 
/home/markus/projects/monotone/nvm.cbench/myscratch/pull/setup-mtn-0.30 
db init -d target
/home/markus/projects/monotone/nvm.cbench/myscratch/pull/setup-mtn-30cbr/mtn 
--keydir 
/home/markus/projects/monotone/nvm.cbench/myscratch/pull/setup-mtn-30cbr/keys 
--rcfile 
/home/markus/projects/monotone/nvm.cbench/myscratch/pull/setup-mtn-30cbr/rcfile.lua 
--root 
/home/markus/projects/monotone/nvm.cbench/myscratch/pull/setup-mtn-30cbr 
db init -d target
Trying /proc/sys/vm/drop_caches... (requires Linux 2.6.16+)
time -f DATA: %U %S %E -o 
/home/markus/projects/monotone/nvm.cbench/myscratch/pull/run-mtn-0.30-time-0/timings-server 
/home/markus/projects/monotone/nvm.cbench/myscratch/pull/run-mtn-0.30-time-0/mtn-server 
--keydir 
/home/markus/projects/monotone/nvm.cbench/myscratch/pull/run-mtn-0.30-time-0/keys 
--rcfile 
/home/markus/projects/monotone/nvm.cbench/myscratch/pull/run-mtn-0.30-time-0/rcfile.lua 
--root 
/home/markus/projects/monotone/nvm.cbench/myscratch/pull/run-mtn-0.30-time-0 
-d /home/markus/projects/monotone/monotone.db --bind=localhost:12345 serve *
Traceback (most recent call last):
  File "/home/markus/projects/monotone/nvm.cbench/benchmark.py", line 
4, in ?
    mtn_benchmark.cmdline.main(sys.argv[0], sys.argv[1:])
  File 
"/home/markus/projects/monotone/nvm.cbench/mtn_benchmark/cmdline.py", 
line 107, in main
    driver.run()
  File 
"/home/markus/projects/monotone/nvm.cbench/mtn_benchmark/driver.py", 
line 59, in run
    benchmark_obj.run(testable)
  File 
"/home/markus/projects/monotone/nvm.cbench/mtn_benchmark/benchmarks.py", 
line 32, in run
    vcs.pull(self.repo.repo_path(), "target", **extra)
  File 
"/home/markus/projects/monotone/nvm.cbench/mtn_benchmark/mtn.py", line 
81, in pull
    self.ep("mtn-server")
  File 
"/home/markus/projects/monotone/nvm.cbench/mtn_benchmark/instrumenters.py", 
line 40, in run_bg
    process = super(TimingInstrumenterObj, self).run_bg(name, 
scratchdir, my_cmd)
  File 
"/home/markus/projects/monotone/nvm.cbench/mtn_benchmark/instrumenter.py", 
line 74, in run_bg
    return Process(cmd)
  File 
"/home/markus/projects/monotone/nvm.cbench/mtn_benchmark/instrumenter.py", 
line 17, in __init__
    self.popen = subprocess.Popen(cmd, preexec_fn=os.setsid)
  File "/usr/lib/python2.4/subprocess.py", line 543, in __init__
    errread, errwrite)
  File "/usr/lib/python2.4/subprocess.py", line 975, in _execute_child
    raise child_exception
OSError: [Errno 2] No such file or directory
Exception exceptions.AttributeError: "'Process' object has no attribute 
'popen'" in <bound method Process.__del__ of 
<mtn_benchmark.instrumenter.Process object at 0xb7d544ec>> ignored