4ba028e740
cluster runs. If this output file is enabled, all running processes try to write to the same file on the shared filesystem. They block each other which leads to massive I/O wait time and CPU idle time. This change reduces the runtime e.g. from several hours (12+) to few minutes (20). Change-Id: I028628af31c845fc517e5daca5b4f981eade3cf4
114 lines
3.4 KiB
Python
114 lines
3.4 KiB
Python
#!/usr/bin/python
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import os, sys
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from optparse import OptionParser
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from subprocess import *
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from tempfile import mkstemp, mkdtemp
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import shutil
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def parseArgs():
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parser = OptionParser()
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parser.add_option("-e", "--elf-file", dest="elf_file",
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help="elf file to be executed", metavar="ELF")
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parser.add_option("-i", "--iso-file", dest="iso_file",
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help="iso file to be executed", metavar="ISO")
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parser.add_option("-f", "--fail-client", dest="fail_client",
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help="fail-client to be executed", metavar="ISO")
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parser.add_option("-m", "--memory", dest="memory", default="16",
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help="memory for the bochs VM", metavar="SIZE")
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parser.add_option("-b", "--bios", dest="bios", default="/proj/i4ciao/tools/fail/BIOS-bochs-latest",
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help="bios image for bochs", metavar="BIOS")
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parser.add_option("-V", "--vgabios", dest="vgabios", default="/proj/i4ciao/tools/fail/vgabios.bin",
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help="vgabios image for bochs", metavar="VGABIOS")
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parser.add_option("-1", "--once",
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action="store_false", dest="forever", default=True,
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help="fail-client to be executed")
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(options, args) = parser.parse_args()
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if not (options.elf_file and options.iso_file and options.fail_client):
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parser.error("elf, iso and fail-client are required")
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return options, args
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def execute(options, args, bochsrc, statedir):
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command = "env FAIL_ELF_PATH=%s FAIL_STATEDIR=%s %s -q -f %s %s" %\
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(options.elf_file, statedir, options.fail_client, bochsrc, " ".join(args))
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print "executing: " + command
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p = Popen(command, shell=True)
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p.wait()
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return p.returncode
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def main(options, args):
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bochsrc_args = {
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"memory": options.memory,
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"bios": options.bios,
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"vgabios": options.vgabios,
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"iso": options.iso_file
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}
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bochsrc_text = """
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config_interface: textconfig
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display_library: nogui
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romimage: file="{bios}"
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cpu: count=1, ips=5000000, reset_on_triple_fault=1, ignore_bad_msrs=1, msrs="msrs.def"
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cpuid: mmx=1, sep=1, sse=sse4_2, xapic=1, aes=1, movbe=1, xsave=1, cpuid_limit_winnt=0
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memory: guest={memory}, host={memory}
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vgaromimage: file="{vgabios}"
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vga: extension=vbe
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ata0: enabled=1, ioaddr1=0x1f0, ioaddr2=0x3f0, irq=14
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ata1: enabled=0, ioaddr1=0x170, ioaddr2=0x370, irq=15
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ata2: enabled=0, ioaddr1=0x1e8, ioaddr2=0x3e0, irq=11
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ata3: enabled=0, ioaddr1=0x168, ioaddr2=0x360, irq=9
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ata0-slave: type=cdrom, path="{iso}", status=inserted
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boot: cdrom
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clock: sync=none, time0=946681200
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floppy_bootsig_check: disabled=0
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panic: action=fatal
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error: action=fatal
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info: action=ignore
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debug: action=ignore
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pass: action=ignore
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debugger_log: -
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parport1: enabled=0
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vga_update_interval: 300000
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keyboard_serial_delay: 250
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keyboard_paste_delay: 100000
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private_colormap: enabled=0
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i440fxsupport: enabled=0, slot1=pcivga
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""".format(**bochsrc_args)
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bochsrc = mkstemp()
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fd = os.fdopen(bochsrc[0], "w")
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fd.write(bochsrc_text)
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fd.close()
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bochsrc = bochsrc[1]
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statedir = mkdtemp()
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if options.forever:
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while True:
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res = execute(options, args, bochsrc, statedir)
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if res != 0:
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break
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ret = 0
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else:
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ret = execute(options, args, bochsrc, statedir)
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os.unlink(bochsrc)
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shutil.rmtree(statedir)
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sys.exit(ret)
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if __name__ == "__main__":
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(options, args) = parseArgs()
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main(options, args)
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