cachepc-qemu

Fork of AMDESE/qemu with changes for cachepc side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-qemu
Log | Files | Refs | Submodules | LICENSE | sfeed.txt

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      1#!/usr/bin/env python3
      2#
      3# Configure environment and run group of tests in it.
      4#
      5# Copyright (c) 2020-2021 Virtuozzo International GmbH
      6#
      7# This program is free software; you can redistribute it and/or
      8# modify it under the terms of the GNU General Public License as
      9# published by the Free Software Foundation.
     10#
     11# This program is distributed in the hope that it would be useful,
     12# but WITHOUT ANY WARRANTY; without even the implied warranty of
     13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     14# GNU General Public License for more details.
     15#
     16# You should have received a copy of the GNU General Public License
     17# along with this program.  If not, see <http://www.gnu.org/licenses/>.
     18
     19import os
     20import sys
     21import argparse
     22import shutil
     23from pathlib import Path
     24
     25from findtests import TestFinder
     26from testenv import TestEnv
     27from testrunner import TestRunner
     28
     29
     30def make_argparser() -> argparse.ArgumentParser:
     31    p = argparse.ArgumentParser(description="Test run options")
     32
     33    p.add_argument('-n', '--dry-run', action='store_true',
     34                   help='show me, do not run tests')
     35    p.add_argument('-makecheck', action='store_true',
     36                   help='pretty print output for make check')
     37
     38    p.add_argument('-d', dest='debug', action='store_true', help='debug')
     39    p.add_argument('-p', dest='print', action='store_true',
     40                help='redirects qemu\'s stdout and stderr to the test output')
     41    p.add_argument('-gdb', action='store_true',
     42                   help="start gdbserver with $GDB_OPTIONS options \
     43                        ('localhost:12345' if $GDB_OPTIONS is empty)")
     44    p.add_argument('-valgrind', action='store_true',
     45                    help='use valgrind, sets VALGRIND_QEMU environment '
     46                    'variable')
     47
     48    p.add_argument('-misalign', action='store_true',
     49                   help='misalign memory allocations')
     50    p.add_argument('--color', choices=['on', 'off', 'auto'],
     51                   default='auto', help="use terminal colors. The default "
     52                   "'auto' value means use colors if terminal stdout detected")
     53
     54    g_env = p.add_argument_group('test environment options')
     55    mg = g_env.add_mutually_exclusive_group()
     56    # We don't set default for cachemode, as we need to distinguish default
     57    # from user input later.
     58    mg.add_argument('-nocache', dest='cachemode', action='store_const',
     59                    const='none', help='set cache mode "none" (O_DIRECT), '
     60                    'sets CACHEMODE environment variable')
     61    mg.add_argument('-c', dest='cachemode',
     62                    help='sets CACHEMODE environment variable')
     63
     64    g_env.add_argument('-i', dest='aiomode', default='threads',
     65                       help='sets AIOMODE environment variable')
     66
     67    p.set_defaults(imgfmt='raw', imgproto='file')
     68
     69    format_list = ['raw', 'bochs', 'cloop', 'parallels', 'qcow', 'qcow2',
     70                   'qed', 'vdi', 'vpc', 'vhdx', 'vmdk', 'luks', 'dmg']
     71    g_fmt = p.add_argument_group(
     72        '  image format options',
     73        'The following options set the IMGFMT environment variable. '
     74        'At most one choice is allowed, default is "raw"')
     75    mg = g_fmt.add_mutually_exclusive_group()
     76    for fmt in format_list:
     77        mg.add_argument('-' + fmt, dest='imgfmt', action='store_const',
     78                        const=fmt, help=f'test {fmt}')
     79
     80    protocol_list = ['file', 'rbd', 'nbd', 'ssh', 'nfs', 'fuse']
     81    g_prt = p.add_argument_group(
     82        '  image protocol options',
     83        'The following options set the IMGPROTO environment variable. '
     84        'At most one choice is allowed, default is "file"')
     85    mg = g_prt.add_mutually_exclusive_group()
     86    for prt in protocol_list:
     87        mg.add_argument('-' + prt, dest='imgproto', action='store_const',
     88                        const=prt, help=f'test {prt}')
     89
     90    g_bash = p.add_argument_group('bash tests options',
     91                                  'The following options are ignored by '
     92                                  'python tests.')
     93    # TODO: make support for the following options in iotests.py
     94    g_bash.add_argument('-o', dest='imgopts',
     95                        help='options to pass to qemu-img create/convert, '
     96                        'sets IMGOPTS environment variable')
     97
     98    g_sel = p.add_argument_group('test selecting options',
     99                                 'The following options specify test set '
    100                                 'to run.')
    101    g_sel.add_argument('-g', '--groups', metavar='group1,...',
    102                       help='include tests from these groups')
    103    g_sel.add_argument('-x', '--exclude-groups', metavar='group1,...',
    104                       help='exclude tests from these groups')
    105    g_sel.add_argument('--start-from', metavar='TEST',
    106                       help='Start from specified test: make sorted sequence '
    107                       'of tests as usual and then drop tests from the first '
    108                       'one to TEST (not inclusive). This may be used to '
    109                       'rerun failed ./check command, starting from the '
    110                       'middle of the process.')
    111    g_sel.add_argument('tests', metavar='TEST_FILES', nargs='*',
    112                       help='tests to run, or "--" followed by a command')
    113
    114    return p
    115
    116
    117if __name__ == '__main__':
    118    args = make_argparser().parse_args()
    119
    120    env = TestEnv(imgfmt=args.imgfmt, imgproto=args.imgproto,
    121                  aiomode=args.aiomode, cachemode=args.cachemode,
    122                  imgopts=args.imgopts, misalign=args.misalign,
    123                  debug=args.debug, valgrind=args.valgrind,
    124                  gdb=args.gdb, qprint=args.print)
    125
    126    if len(sys.argv) > 1 and sys.argv[-len(args.tests)-1] == '--':
    127        if not args.tests:
    128            sys.exit("missing command after '--'")
    129        cmd = args.tests
    130        env.print_env()
    131        exec_pathstr = shutil.which(cmd[0])
    132        if exec_pathstr is None:
    133            sys.exit('command not found: ' + cmd[0])
    134        exec_path = Path(exec_pathstr).resolve()
    135        cmd[0] = str(exec_path)
    136        full_env = env.prepare_subprocess(cmd)
    137        os.chdir(exec_path.parent)
    138        os.execve(cmd[0], cmd, full_env)
    139
    140    testfinder = TestFinder(test_dir=env.source_iotests)
    141
    142    groups = args.groups.split(',') if args.groups else None
    143    x_groups = args.exclude_groups.split(',') if args.exclude_groups else None
    144
    145    group_local = os.path.join(env.source_iotests, 'group.local')
    146    if os.path.isfile(group_local):
    147        try:
    148            testfinder.add_group_file(group_local)
    149        except ValueError as e:
    150            sys.exit(f"Failed to parse group file '{group_local}': {e}")
    151
    152    try:
    153        tests = testfinder.find_tests(groups=groups, exclude_groups=x_groups,
    154                                      tests=args.tests,
    155                                      start_from=args.start_from)
    156        if not tests:
    157            raise ValueError('No tests selected')
    158    except ValueError as e:
    159        sys.exit(e)
    160
    161    if args.dry_run:
    162        print('\n'.join(tests))
    163    else:
    164        with TestRunner(env, makecheck=args.makecheck,
    165                        color=args.color) as tr:
    166            paths = [os.path.join(env.source_iotests, t) for t in tests]
    167            ok = tr.run_tests(paths)
    168            if not ok:
    169                sys.exit(1)