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mirror_zfs/tests/test-runner/bin/zts-report.py
Brian Behlendorf 1b939560be
Add TRIM support 
UNMAP/TRIM support is a frequently-requested feature to help
prevent performance from degrading on SSDs and on various other
SAN-like storage back-ends.  By issuing UNMAP/TRIM commands for
sectors which are no longer allocated the underlying device can
often more efficiently manage itself.

This TRIM implementation is modeled on the `zpool initialize`
feature which writes a pattern to all unallocated space in the
pool.  The new `zpool trim` command uses the same vdev_xlate()
code to calculate what sectors are unallocated, the same per-
vdev TRIM thread model and locking, and the same basic CLI for
a consistent user experience.  The core difference is that
instead of writing a pattern it will issue UNMAP/TRIM commands
for those extents.

The zio pipeline was updated to accommodate this by adding a new
ZIO_TYPE_TRIM type and associated spa taskq.  This new type makes
is straight forward to add the platform specific TRIM/UNMAP calls
to vdev_disk.c and vdev_file.c.  These new ZIO_TYPE_TRIM zios are
handled largely the same way as ZIO_TYPE_READs or ZIO_TYPE_WRITEs.
This makes it possible to largely avoid changing the pipieline,
one exception is that TRIM zio's may exceed the 16M block size
limit since they contain no data.

In addition to the manual `zpool trim` command, a background
automatic TRIM was added and is controlled by the 'autotrim'
property.  It relies on the exact same infrastructure as the
manual TRIM.  However, instead of relying on the extents in a
metaslab's ms_allocatable range tree, a ms_trim tree is kept
per metaslab.  When 'autotrim=on', ranges added back to the
ms_allocatable tree are also added to the ms_free tree.  The
ms_free tree is then periodically consumed by an autotrim
thread which systematically walks a top level vdev's metaslabs.

Since the automatic TRIM will skip ranges it considers too small
there is value in occasionally running a full `zpool trim`.  This
may occur when the freed blocks are small and not enough time
was allowed to aggregate them.  An automatic TRIM and a manual
`zpool trim` may be run concurrently, in which case the automatic
TRIM will yield to the manual TRIM.

Reviewed-by: Jorgen Lundman <lundman@lundman.net>
Reviewed-by: Tim Chase <tim@chase2k.com>
Reviewed-by: Matt Ahrens <mahrens@delphix.com>
Reviewed-by: George Wilson <george.wilson@delphix.com>
Reviewed-by: Serapheim Dimitropoulos <serapheim@delphix.com>
Contributions-by: Saso Kiselkov <saso.kiselkov@nexenta.com>
Contributions-by: Tim Chase <tim@chase2k.com>
Contributions-by: Chunwei Chen <tuxoko@gmail.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #8419 
Closes #598
2019-03-29 09:13:20 -07:00

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#!/usr/bin/python3
#
# This file and its contents are supplied under the terms of the
# Common Development and Distribution License ("CDDL"), version 1.0.
# You may only use this file in accordance with the terms of version
# 1.0 of the CDDL.
#
# A full copy of the text of the CDDL should have accompanied this
# source. A copy of the CDDL is also available via the Internet at
# http://www.illumos.org/license/CDDL.
#
#
# Copyright (c) 2017 by Delphix. All rights reserved.
# Copyright (c) 2018 by Lawrence Livermore National Security, LLC.
#
# This script must remain compatible with Python 2.6+ and Python 3.4+.
#
import os
import re
import sys
#
# This script parses the stdout of zfstest, which has this format:
#
# Test: /path/to/testa (run as root) [00:00] [PASS]
# Test: /path/to/testb (run as jkennedy) [00:00] [PASS]
# Test: /path/to/testc (run as root) [00:00] [FAIL]
# [...many more results...]
#
# Results Summary
# FAIL 22
# SKIP 32
# PASS 1156
#
# Running Time: 02:50:31
# Percent passed: 95.5%
# Log directory: /var/tmp/test_results/20180615T205926
#
#
# Common generic reasons for a test or test group to be skipped.
#
# Some test cases are known to fail in ways which are not harmful or dangerous.
# In these cases simply mark the test as a known failure until it can be
# updated and the issue resolved. Note that it's preferable to open a unique
# issue on the GitHub issue tracker for each test case failure.
#
known_reason = 'Known issue'
#
# Some tests require that a test user be able to execute the zfs utilities.
# This may not be possible when testing in-tree due to the default permissions
# on the user's home directory. When testing this can be resolved by granting
# group read access.
#
# chmod 0750 $HOME
#
exec_reason = 'Test user execute permissions required for utilities'
#
# Some tests require that the DISKS provided can be partitioned. This is
# normally not an issue because loop back devices are used for DISKS and they
# can be partition. There is one notable exception, the CentOS 6.x kernel is
# old enough that it does not support partitioning loop back devices.
#
disk_reason = 'Partitionable DISKS required'
#
# Some tests require a minimum python version of 3.5 and will be skipped when
# the default system version is too old. There may also be tests which require
# additional python modules be installed, for example python-cffi is required
# by the pyzfs tests.
#
python_reason = 'Python v3.5 or newer required'
python_deps_reason = 'Python modules missing: python-cffi'
#
# Some tests require the O_TMPFILE flag which was first introduced in the
# 3.11 kernel.
#
tmpfile_reason = 'Kernel O_TMPFILE support required'
#
# Some tests may depend on udev change events being generated when block
# devices change capacity. This functionality wasn't available until the
# 2.6.38 kernel.
#
udev_reason = 'Kernel block device udev change events required'
#
# Some tests require that the NFS client and server utilities be installed.
#
share_reason = 'NFS client and server utilities required'
#
# Some tests require that the lsattr utility support the project id feature.
#
project_id_reason = 'lsattr with set/show project ID required'
#
# Some tests require that the kernel support user namespaces.
#
user_ns_reason = 'Kernel user namespace support required'
#
# Some rewind tests can fail since nothing guarantees that old MOS blocks
# are not overwritten. Snapshots protect datasets and data files but not
# the MOS. Reasonable efforts are made in the test case to increase the
# odds that some txgs will have their MOS data left untouched, but it is
# never a sure thing.
#
rewind_reason = 'Arbitrary pool rewind is not guaranteed'
#
# Some tests may by structured in a way that relies on exact knowledge
# of how much free space in available in a pool. These tests cannot be
# made completely reliable because the internal details of how free space
# is managed are not exposed to user space.
#
enospc_reason = 'Exact free space reporting is not guaranteed'
#
# Some tests require a minimum version of the fio benchmark utility.
# Older distributions such as CentOS 6.x only provide fio-2.0.13.
#
fio_reason = 'Fio v2.3 or newer required'
#
# Some tests require that the DISKS provided support the discard operation.
# Normally this is not an issue because loop back devices are used for DISKS
# and they support discard (TRIM/UNMAP).
#
trim_reason = 'DISKS must support discard (TRIM/UNMAP)'
#
# Some tests are not applicable to Linux or need to be updated to operate
# in the manor required by Linux. Any tests which are skipped for this
# reason will be suppressed in the final analysis output.
#
na_reason = "N/A on Linux"
summary = {
'total': float(0),
'passed': float(0),
'logfile': "Could not determine logfile location."
}
#
# These tests are known to fail, thus we use this list to prevent these
# failures from failing the job as a whole; only unexpected failures
# bubble up to cause this script to exit with a non-zero exit status.
#
# Format: { 'test-name': ['expected result', 'issue-number | reason'] }
#
# For each known failure it is recommended to link to a GitHub issue by
# setting the reason to the issue number. Alternately, one of the generic
# reasons listed above can be used.
#
known = {
'casenorm/sensitive_none_lookup': ['FAIL', '7633'],
'casenorm/sensitive_none_delete': ['FAIL', '7633'],
'casenorm/sensitive_formd_lookup': ['FAIL', '7633'],
'casenorm/sensitive_formd_delete': ['FAIL', '7633'],
'casenorm/insensitive_none_lookup': ['FAIL', '7633'],
'casenorm/insensitive_none_delete': ['FAIL', '7633'],
'casenorm/insensitive_formd_lookup': ['FAIL', '7633'],
'casenorm/insensitive_formd_delete': ['FAIL', '7633'],
'casenorm/mixed_none_lookup': ['FAIL', '7633'],
'casenorm/mixed_none_lookup_ci': ['FAIL', '7633'],
'casenorm/mixed_none_delete': ['FAIL', '7633'],
'casenorm/mixed_formd_lookup': ['FAIL', '7633'],
'casenorm/mixed_formd_lookup_ci': ['FAIL', '7633'],
'casenorm/mixed_formd_delete': ['FAIL', '7633'],
'cli_root/zfs_receive/zfs_receive_004_neg': ['FAIL', known_reason],
'cli_root/zfs_unshare/zfs_unshare_002_pos': ['SKIP', na_reason],
'cli_root/zfs_unshare/zfs_unshare_006_pos': ['SKIP', na_reason],
'cli_root/zpool_create/zpool_create_016_pos': ['SKIP', na_reason],
'cli_user/misc/zfs_share_001_neg': ['SKIP', na_reason],
'cli_user/misc/zfs_unshare_001_neg': ['SKIP', na_reason],
'inuse/inuse_001_pos': ['SKIP', na_reason],
'inuse/inuse_003_pos': ['SKIP', na_reason],
'inuse/inuse_006_pos': ['SKIP', na_reason],
'inuse/inuse_007_pos': ['SKIP', na_reason],
'privilege/setup': ['SKIP', na_reason],
'refreserv/refreserv_004_pos': ['FAIL', known_reason],
'removal/removal_condense_export': ['SKIP', known_reason],
'removal/removal_with_zdb': ['SKIP', known_reason],
'rootpool/setup': ['SKIP', na_reason],
'rsend/rsend_008_pos': ['SKIP', '6066'],
'snapshot/rollback_003_pos': ['SKIP', '6143'],
'vdev_zaps/vdev_zaps_007_pos': ['FAIL', known_reason],
'xattr/xattr_008_pos': ['SKIP', na_reason],
'xattr/xattr_009_neg': ['SKIP', na_reason],
'xattr/xattr_010_neg': ['SKIP', na_reason],
'zvol/zvol_misc/zvol_misc_001_neg': ['SKIP', na_reason],
'zvol/zvol_misc/zvol_misc_003_neg': ['SKIP', na_reason],
'zvol/zvol_misc/zvol_misc_004_pos': ['SKIP', na_reason],
'zvol/zvol_misc/zvol_misc_005_neg': ['SKIP', na_reason],
'zvol/zvol_misc/zvol_misc_006_pos': ['SKIP', na_reason],
'zvol/zvol_swap/zvol_swap_003_pos': ['SKIP', na_reason],
'zvol/zvol_swap/zvol_swap_005_pos': ['SKIP', na_reason],
'zvol/zvol_swap/zvol_swap_006_pos': ['SKIP', na_reason],
}
#
# These tests may occasionally fail or be skipped. We want there failures
# to be reported but only unexpected failures should bubble up to cause
# this script to exit with a non-zero exit status.
#
# Format: { 'test-name': ['expected result', 'issue-number | reason'] }
#
# For each known failure it is recommended to link to a GitHub issue by
# setting the reason to the issue number. Alternately, one of the generic
# reasons listed above can be used.
#
maybe = {
'cache/setup': ['SKIP', disk_reason],
'cache/cache_010_neg': ['FAIL', known_reason],
'chattr/setup': ['SKIP', exec_reason],
'cli_root/zdb/zdb_006_pos': ['FAIL', known_reason],
'cli_root/zfs_get/zfs_get_004_pos': ['FAIL', known_reason],
'cli_root/zfs_get/zfs_get_009_pos': ['SKIP', '5479'],
'cli_root/zfs_rollback/zfs_rollback_001_pos': ['FAIL', '6415'],
'cli_root/zfs_rollback/zfs_rollback_002_pos': ['FAIL', '6416'],
'cli_root/zfs_share/setup': ['SKIP', share_reason],
'cli_root/zfs_snapshot/zfs_snapshot_002_neg': ['FAIL', known_reason],
'cli_root/zfs_unshare/setup': ['SKIP', share_reason],
'cli_root/zpool_add/setup': ['SKIP', disk_reason],
'cli_root/zpool_add/zpool_add_004_pos': ['FAIL', known_reason],
'cli_root/zpool_create/setup': ['SKIP', disk_reason],
'cli_root/zpool_create/zpool_create_008_pos': ['FAIL', known_reason],
'cli_root/zpool_destroy/zpool_destroy_001_pos': ['SKIP', '6145'],
'cli_root/zpool_expand/setup': ['SKIP', udev_reason],
'cli_root/zpool_export/setup': ['SKIP', disk_reason],
'cli_root/zpool_import/setup': ['SKIP', disk_reason],
'cli_root/zpool_import/import_rewind_device_replaced':
['FAIL', rewind_reason],
'cli_root/zpool_import/import_rewind_config_changed':
['FAIL', rewind_reason],
'cli_root/zpool_import/zpool_import_missing_003_pos': ['SKIP', '6839'],
'cli_root/zpool_remove/setup': ['SKIP', disk_reason],
'cli_root/zpool_trim/setup': ['SKIP', trim_reason],
'cli_root/zpool_upgrade/zpool_upgrade_004_pos': ['FAIL', '6141'],
'cli_user/misc/arc_summary3_001_pos': ['SKIP', python_reason],
'delegate/setup': ['SKIP', exec_reason],
'fault/auto_online_001_pos': ['SKIP', disk_reason],
'fault/auto_replace_001_pos': ['SKIP', disk_reason],
'history/history_004_pos': ['FAIL', '7026'],
'history/history_005_neg': ['FAIL', '6680'],
'history/history_006_neg': ['FAIL', '5657'],
'history/history_008_pos': ['FAIL', known_reason],
'history/history_010_pos': ['SKIP', exec_reason],
'inuse/inuse_005_pos': ['SKIP', disk_reason],
'inuse/inuse_008_pos': ['SKIP', disk_reason],
'inuse/inuse_009_pos': ['SKIP', disk_reason],
'io/mmap': ['SKIP', fio_reason],
'largest_pool/largest_pool_001_pos': ['FAIL', known_reason],
'pyzfs/pyzfs_unittest': ['SKIP', python_deps_reason],
'no_space/enospc_002_pos': ['FAIL', enospc_reason],
'projectquota/setup': ['SKIP', exec_reason],
'redundancy/redundancy_004_neg': ['FAIL', '7290'],
'reservation/reservation_008_pos': ['FAIL', '7741'],
'reservation/reservation_018_pos': ['FAIL', '5642'],
'rsend/rsend_019_pos': ['FAIL', '6086'],
'rsend/rsend_020_pos': ['FAIL', '6446'],
'rsend/rsend_021_pos': ['FAIL', '6446'],
'rsend/rsend_024_pos': ['FAIL', '5665'],
'rsend/send-c_volume': ['FAIL', '6087'],
'snapshot/clone_001_pos': ['FAIL', known_reason],
'snapshot/snapshot_009_pos': ['FAIL', '7961'],
'snapshot/snapshot_010_pos': ['FAIL', '7961'],
'snapused/snapused_004_pos': ['FAIL', '5513'],
'tmpfile/setup': ['SKIP', tmpfile_reason],
'threadsappend/threadsappend_001_pos': ['FAIL', '6136'],
'trim/setup': ['SKIP', trim_reason],
'upgrade/upgrade_projectquota_001_pos': ['SKIP', project_id_reason],
'user_namespace/setup': ['SKIP', user_ns_reason],
'userquota/setup': ['SKIP', exec_reason],
'vdev_zaps/vdev_zaps_004_pos': ['FAIL', '6935'],
'write_dirs/setup': ['SKIP', disk_reason],
'zvol/zvol_ENOSPC/zvol_ENOSPC_001_pos': ['FAIL', '5848'],
}
def usage(s):
print(s)
sys.exit(1)
def process_results(pathname):
try:
f = open(pathname)
except IOError as e:
print('Error opening file: %s' % e)
sys.exit(1)
prefix = '/zfs-tests/tests/functional/'
pattern = \
r'^Test:\s*\S*%s(\S+)\s*\(run as (\S+)\)\s*\[(\S+)\]\s*\[(\S+)\]' \
% prefix
pattern_log = r'^\s*Log directory:\s*(\S*)'
d = {}
for l in f.readlines():
m = re.match(pattern, l)
if m and len(m.groups()) == 4:
summary['total'] += 1
if m.group(4) == "PASS":
summary['passed'] += 1
d[m.group(1)] = m.group(4)
continue
m = re.match(pattern_log, l)
if m:
summary['logfile'] = m.group(1)
return d
if __name__ == "__main__":
if len(sys.argv) != 2:
usage('usage: %s <pathname>' % sys.argv[0])
results = process_results(sys.argv[1])
if summary['total'] == 0:
print("\n\nNo test results were found.")
print("Log directory: %s" % summary['logfile'])
sys.exit(0)
expected = []
unexpected = []
for test in list(results.keys()):
if results[test] == "PASS":
continue
setup = test.replace(os.path.basename(test), "setup")
if results[test] == "SKIP" and test != setup:
if setup in known and known[setup][0] == "SKIP":
continue
if setup in maybe and maybe[setup][0] == "SKIP":
continue
if ((test not in known or results[test] not in known[test][0]) and
(test not in maybe or results[test] not in maybe[test][0])):
unexpected.append(test)
else:
expected.append(test)
print("\nTests with results other than PASS that are expected:")
for test in sorted(expected):
issue_url = 'https://github.com/zfsonlinux/zfs/issues/'
# Include the reason why the result is expected, given the following:
# 1. Suppress test results which set the "N/A on Linux" reason.
# 2. Numerical reasons are assumed to be GitHub issue numbers.
# 3. When an entire test group is skipped only report the setup reason.
if test in known:
if known[test][1] == na_reason:
continue
elif known[test][1].isdigit():
expect = issue_url + known[test][1]
else:
expect = known[test][1]
elif test in maybe:
if maybe[test][1].isdigit():
expect = issue_url + maybe[test][1]
else:
expect = maybe[test][1]
elif setup in known and known[setup][0] == "SKIP" and setup != test:
continue
elif setup in maybe and maybe[setup][0] == "SKIP" and setup != test:
continue
else:
expect = "UNKNOWN REASON"
print(" %s %s (%s)" % (results[test], test, expect))
print("\nTests with result of PASS that are unexpected:")
for test in sorted(known.keys()):
# We probably should not be silently ignoring the case
# where "test" is not in "results".
if test not in results or results[test] != "PASS":
continue
print(" %s %s (expected %s)" % (results[test], test,
known[test][0]))
print("\nTests with results other than PASS that are unexpected:")
for test in sorted(unexpected):
expect = "PASS" if test not in known else known[test][0]
print(" %s %s (expected %s)" % (results[test], test, expect))
if len(unexpected) == 0:
sys.exit(0)
else:
sys.exit(1)
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