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mirror_zfs/tests/zfs-tests/include/tunables.cfg

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ZTS: Catalog tunable names for tests in tunables.cfg Update tests to use the variables for tunable names. Reviewed-by: John Kennedy <john.kennedy@delphix.com> Reviewed-by: Kjeld Schouten <kjeld@schouten-lebbing.nl> Reviewed-by: George Melikov <mail@gmelikov.ru> Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Ryan Moeller <ryan@ixsystems.com> Closes #9831
2020-01-15 01:57:28 +03:00
# This file exports variables for each tunable used in the test suite.
#
# Different platforms use different names for most tunables. To avoid littering
# the tests with conditional logic for deciding how to set each tunable, the
# logic is instead consolidated to this one file.
#
# Any use of tunables in tests must use a name defined here. New entries
# should be added to the table as needed. Please keep the table sorted
# alphabetically for ease of maintenance.
#
# Platform-specific tunables should still use a NAME from this table for
# consistency. Enter UNSUPPORTED in the column for platforms on which the
# tunable is not implemented.
UNAME=$(uname)
# NAME FreeBSD tunable Linux tunable
cat <<%%%% |
ADMIN_SNAPSHOT UNSUPPORTED zfs_admin_snapshot
ALLOW_REDACTED_DATASET_MOUNT allow_redacted_dataset_mount zfs_allow_redacted_dataset_mount
ARC_MAX arc.max zfs_arc_max
ARC_MIN arc.min zfs_arc_min
ASYNC_BLOCK_MAX_BLOCKS async_block_max_blocks zfs_async_block_max_blocks
CHECKSUM_EVENTS_PER_SECOND checksum_events_per_second zfs_checksum_events_per_second
COMMIT_TIMEOUT_PCT commit_timeout_pct zfs_commit_timeout_pct
COMPRESSED_ARC_ENABLED compressed_arc_enabled zfs_compressed_arc_enabled
CONDENSE_INDIRECT_COMMIT_ENTRY_DELAY_MS condense.indirect_commit_entry_delay_ms zfs_condense_indirect_commit_entry_delay_ms
CONDENSE_MIN_MAPPING_BYTES condense.min_mapping_bytes zfs_condense_min_mapping_bytes
DBUF_CACHE_MAX_BYTES dbuf_cache.max_bytes dbuf_cache_max_bytes
DEADMAN_CHECKTIME_MS deadman_checktime_ms zfs_deadman_checktime_ms
DEADMAN_FAILMODE deadman_failmode zfs_deadman_failmode
DEADMAN_SYNCTIME_MS deadman_synctime_ms zfs_deadman_synctime_ms
DEADMAN_ZIOTIME_MS deadman_ziotime_ms zfs_deadman_ziotime_ms
ZTS: FreeBSD tunable for DISABLE_IVSET_GUID_CHECK Reviewed-by: George Melikov <mail@gmelikov.ru> Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Ryan Moeller <ryan@iXsystems.com> Closes #9907
2020-01-29 22:25:15 +03:00
DISABLE_IVSET_GUID_CHECK disable_ivset_guid_check zfs_disable_ivset_guid_check
ZTS: Catalog tunable names for tests in tunables.cfg Update tests to use the variables for tunable names. Reviewed-by: John Kennedy <john.kennedy@delphix.com> Reviewed-by: Kjeld Schouten <kjeld@schouten-lebbing.nl> Reviewed-by: George Melikov <mail@gmelikov.ru> Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Ryan Moeller <ryan@ixsystems.com> Closes #9831
2020-01-15 01:57:28 +03:00
INITIALIZE_CHUNK_SIZE initialize_chunk_size zfs_initialize_chunk_size
INITIALIZE_VALUE initialize_value zfs_initialize_value
KEEP_LOG_SPACEMAPS_AT_EXPORT keep_log_spacemaps_at_export zfs_keep_log_spacemaps_at_export
Fix lua stack overflow on recursive call to gsub() The `zfs program` subcommand invokes a LUA interpreter to run ZFS "channel programs". This interpreter runs in a constrained environment, with defined memory limits. The LUA stack (used for LUA functions that call each other) is allocated in the kernel's heap, and is limited by the `-m MEMORY-LIMIT` flag and the `zfs_lua_max_memlimit` module parameter. The C stack is used by certain LUA features that are implemented in C. The C stack is limited by `LUAI_MAXCCALLS=20`, which limits call depth. Some LUA C calls use more stack space than others, and `gsub()` uses an unusually large amount. With a programming trick, it can be invoked recursively using the C stack (rather than the LUA stack). This overflows the 16KB Linux kernel stack after about 11 iterations, less than the limit of 20. One solution would be to decrease `LUAI_MAXCCALLS`. This could be made to work, but it has a few drawbacks: 1. The existing test suite does not pass with `LUAI_MAXCCALLS=10`. 2. There may be other LUA functions that use a lot of stack space, and the stack space may change depending on compiler version and options. This commit addresses the problem by adding a new limit on the amount of free space (in bytes) remaining on the C stack while running the LUA interpreter: `LUAI_MINCSTACK=4096`. If there is less than this amount of stack space remaining, a LUA runtime error is generated. Reviewed-by: George Wilson <gwilson@delphix.com> Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Reviewed-by: Ryan Moeller <ryan@ixsystems.com> Reviewed-by: Allan Jude <allanjude@freebsd.org> Reviewed-by: Serapheim Dimitropoulos <serapheim@delphix.com> Signed-off-by: Matthew Ahrens <mahrens@delphix.com> Closes #10611 Closes #10613
2020-07-28 02:11:47 +03:00
LUA_MAX_MEMLIMIT lua.max_memlimit zfs_lua_max_memlimit
Reset l2ad_hand and l2ad_first in l2arc_evict Increasing l2arc_write_size or l2arc_write_boost can result in l2arc_write_buffers() not having enough space to perform its writes and panic zio_write_phys(). Instead of resetting l2ad_hand to l2ad_start at the end of l2arc_write_buffers() and not taking into account a possible user-mediated increase of l2arc_write_max, we do this in l2arc_evict(), right after l2arc_write_size() has run. If there is not enough space to evict (ie we will exceed l2ad_end) we evict to the end of the device, reset l2ad_hand to l2ad_start, set l2ad_first to 0 and iterate l2arc_evict(). We avoid infinite iteration of l2arc_evict() by making sure in l2arc_write_size() that l2ad_start + size does not exceed l2ad_end. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Reviewed-by: Ryan Moeller <ryan@iXsystems.com> Signed-off-by: George Amanakis <gamanakis@gmail.com> Closes #10154
2020-03-31 20:46:48 +03:00
L2ARC_NOPREFETCH l2arc.noprefetch l2arc_noprefetch
Add FreeBSD support to OpenZFS Add the FreeBSD platform code to the OpenZFS repository. As of this commit the source can be compiled and tested on FreeBSD 11 and 12. Subsequent commits are now required to compile on FreeBSD and Linux. Additionally, they must pass the ZFS Test Suite on FreeBSD which is being run by the CI. As of this commit 1230 tests pass on FreeBSD and there are no unexpected failures. Reviewed-by: Sean Eric Fagan <sef@ixsystems.com> Reviewed-by: Jorgen Lundman <lundman@lundman.net> Reviewed-by: Richard Laager <rlaager@wiktel.com> Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Co-authored-by: Ryan Moeller <ryan@iXsystems.com> Signed-off-by: Matt Macy <mmacy@FreeBSD.org> Signed-off-by: Ryan Moeller <ryan@iXsystems.com> Closes #898 Closes #8987
2020-04-14 21:36:28 +03:00
L2ARC_REBUILD_BLOCKS_MIN_L2SIZE l2arc.rebuild_blocks_min_l2size l2arc_rebuild_blocks_min_l2size
L2ARC_REBUILD_ENABLED l2arc.rebuild_enabled l2arc_rebuild_enabled
ZTS: FreeBSD does have a l2arc.trim_ahead tunable Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Ryan Moeller <ryan@iXsystems.com> Closes #10633
2020-08-01 07:18:32 +03:00
L2ARC_TRIM_AHEAD l2arc.trim_ahead l2arc_trim_ahead
Reset l2ad_hand and l2ad_first in l2arc_evict Increasing l2arc_write_size or l2arc_write_boost can result in l2arc_write_buffers() not having enough space to perform its writes and panic zio_write_phys(). Instead of resetting l2ad_hand to l2ad_start at the end of l2arc_write_buffers() and not taking into account a possible user-mediated increase of l2arc_write_max, we do this in l2arc_evict(), right after l2arc_write_size() has run. If there is not enough space to evict (ie we will exceed l2ad_end) we evict to the end of the device, reset l2ad_hand to l2ad_start, set l2ad_first to 0 and iterate l2arc_evict(). We avoid infinite iteration of l2arc_evict() by making sure in l2arc_write_size() that l2ad_start + size does not exceed l2ad_end. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Reviewed-by: Ryan Moeller <ryan@iXsystems.com> Signed-off-by: George Amanakis <gamanakis@gmail.com> Closes #10154
2020-03-31 20:46:48 +03:00
L2ARC_WRITE_BOOST l2arc.write_boost l2arc_write_boost
L2ARC_WRITE_MAX l2arc.write_max l2arc_write_max
ZTS: Catalog tunable names for tests in tunables.cfg Update tests to use the variables for tunable names. Reviewed-by: John Kennedy <john.kennedy@delphix.com> Reviewed-by: Kjeld Schouten <kjeld@schouten-lebbing.nl> Reviewed-by: George Melikov <mail@gmelikov.ru> Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Ryan Moeller <ryan@ixsystems.com> Closes #9831
2020-01-15 01:57:28 +03:00
LIVELIST_CONDENSE_NEW_ALLOC livelist.condense.new_alloc zfs_livelist_condense_new_alloc
LIVELIST_CONDENSE_SYNC_CANCEL livelist.condense.sync_cancel zfs_livelist_condense_sync_cancel
LIVELIST_CONDENSE_SYNC_PAUSE livelist.condense.sync_pause zfs_livelist_condense_sync_pause
LIVELIST_CONDENSE_ZTHR_CANCEL livelist.condense.zthr_cancel zfs_livelist_condense_zthr_cancel
LIVELIST_CONDENSE_ZTHR_PAUSE livelist.condense.zthr_pause zfs_livelist_condense_zthr_pause
LIVELIST_MAX_ENTRIES livelist.max_entries zfs_livelist_max_entries
LIVELIST_MIN_PERCENT_SHARED livelist.min_percent_shared zfs_livelist_min_percent_shared
MAX_DATASET_NESTING max_dataset_nesting zfs_max_dataset_nesting
MAX_MISSING_TVDS max_missing_tvds zfs_max_missing_tvds
METASLAB_DEBUG_LOAD metaslab.debug_load metaslab_debug_load
METASLAB_FORCE_GANGING metaslab.force_ganging metaslab_force_ganging
MULTIHOST_FAIL_INTERVALS multihost.fail_intervals zfs_multihost_fail_intervals
Make spa_stats.c tunables visible on FreeBSD Use ZFS_MODULE_PARAM for cross-platform tunables in spa_stats.c, and add update tunables.cfg in tests for the newly supported ones. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Ryan Moeller <ryan@iXsystems.com> Closes #10858
2020-09-02 02:19:19 +03:00
MULTIHOST_HISTORY multihost.history zfs_multihost_history
ZTS: Catalog tunable names for tests in tunables.cfg Update tests to use the variables for tunable names. Reviewed-by: John Kennedy <john.kennedy@delphix.com> Reviewed-by: Kjeld Schouten <kjeld@schouten-lebbing.nl> Reviewed-by: George Melikov <mail@gmelikov.ru> Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Ryan Moeller <ryan@ixsystems.com> Closes #9831
2020-01-15 01:57:28 +03:00
MULTIHOST_IMPORT_INTERVALS multihost.import_intervals zfs_multihost_import_intervals
Add zfs_multihost_interval tunable handler for FreeBSD This tunable required a handler to be implemented for ZFS_MODULE_PARAM_CALL. Add the handler so the tunable can be declared in common code. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Ryan Moeller <ryan@iXsystems.com> Closes #10490
2020-06-23 23:32:42 +03:00
MULTIHOST_INTERVAL multihost.interval zfs_multihost_interval
ZTS: Catalog tunable names for tests in tunables.cfg Update tests to use the variables for tunable names. Reviewed-by: John Kennedy <john.kennedy@delphix.com> Reviewed-by: Kjeld Schouten <kjeld@schouten-lebbing.nl> Reviewed-by: George Melikov <mail@gmelikov.ru> Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Ryan Moeller <ryan@ixsystems.com> Closes #9831
2020-01-15 01:57:28 +03:00
OVERRIDE_ESTIMATE_RECORDSIZE send.override_estimate_recordsize zfs_override_estimate_recordsize
REMOVAL_SUSPEND_PROGRESS removal_suspend_progress zfs_removal_suspend_progress
REMOVE_MAX_SEGMENT remove_max_segment zfs_remove_max_segment
RESILVER_MIN_TIME_MS resilver_min_time_ms zfs_resilver_min_time_ms
Resilver restarts unnecessarily when it encounters errors When a resilver finishes, vdev_dtl_reassess is called to hopefully excise DTL_MISSING (amongst other things). If there are errors during the resilver, they are tracked in DTL_SCRUB, as spelled out in the block comment in vdev.c. DTL_SCRUB is in-core only, so it can only be used if the pool was online for the whole resilver. This state is tracked with the spa_scrub_started flag, which only gets set when the scan is initialized. Unfortunately, this flag gets cleared right before vdev_dtl_reassess gets called, so if there are any errors during the scan, DTL_MISSING will never get excised and the resilver will just continually restart. This fix simply moves clearing that flag until after the call to vdev_dtl_reasses. In addition, if a pool is imported and already has scn_errors > 0, this change will restart the resilver immediately instead of doing the rest of the scan and then restarting it from the beginning. On the other hand, if scn_errors == 0 at import, then no errors have been encountered so far, so the spa_scrub_started flag can be safely set. A test has been added to verify that resilver does not restart when relevant DTL's are available. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Reviewed-by: Paul Zuchowski <pzuchowski@datto.com> Signed-off-by: John Poduska <jpoduska@datto.com> Closes #10291
2020-05-13 20:54:27 +03:00
SCAN_LEGACY scan_legacy zfs_scan_legacy
ZTS: Catalog tunable names for tests in tunables.cfg Update tests to use the variables for tunable names. Reviewed-by: John Kennedy <john.kennedy@delphix.com> Reviewed-by: Kjeld Schouten <kjeld@schouten-lebbing.nl> Reviewed-by: George Melikov <mail@gmelikov.ru> Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Ryan Moeller <ryan@ixsystems.com> Closes #9831
2020-01-15 01:57:28 +03:00
SCAN_SUSPEND_PROGRESS scan_suspend_progress zfs_scan_suspend_progress
SCAN_VDEV_LIMIT scan_vdev_limit zfs_scan_vdev_limit
SEND_HOLES_WITHOUT_BIRTH_TIME send_holes_without_birth_time send_holes_without_birth_time
SLOW_IO_EVENTS_PER_SECOND slow_io_events_per_second zfs_slow_io_events_per_second
SPA_ASIZE_INFLATION spa.asize_inflation spa_asize_inflation
SPA_DISCARD_MEMORY_LIMIT spa.discard_memory_limit zfs_spa_discard_memory_limit
SPA_LOAD_VERIFY_DATA spa.load_verify_data spa_load_verify_data
SPA_LOAD_VERIFY_METADATA spa.load_verify_metadata spa_load_verify_metadata
TRIM_EXTENT_BYTES_MIN trim.extent_bytes_min zfs_trim_extent_bytes_min
TRIM_METASLAB_SKIP trim.metaslab_skip zfs_trim_metaslab_skip
TRIM_TXG_BATCH trim.txg_batch zfs_trim_txg_batch
Make spa_stats.c tunables visible on FreeBSD Use ZFS_MODULE_PARAM for cross-platform tunables in spa_stats.c, and add update tunables.cfg in tests for the newly supported ones. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Ryan Moeller <ryan@iXsystems.com> Closes #10858
2020-09-02 02:19:19 +03:00
TXG_HISTORY txg.history zfs_txg_history
Update FreeBSD tunables Remove some obsolete legacy compat, rename some misnamed, and add some missing tunables for FreeBSD. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Ryan Moeller <ryan@iXsystems.com> Closes #10203
2020-04-15 21:14:47 +03:00
TXG_TIMEOUT txg.timeout zfs_txg_timeout
ZTS: Catalog tunable names for tests in tunables.cfg Update tests to use the variables for tunable names. Reviewed-by: John Kennedy <john.kennedy@delphix.com> Reviewed-by: Kjeld Schouten <kjeld@schouten-lebbing.nl> Reviewed-by: George Melikov <mail@gmelikov.ru> Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Ryan Moeller <ryan@ixsystems.com> Closes #9831
2020-01-15 01:57:28 +03:00
UNLINK_SUSPEND_PROGRESS UNSUPPORTED zfs_unlink_suspend_progress
VDEV_MIN_MS_COUNT vdev.min_ms_count zfs_vdev_min_ms_count
VDEV_VALIDATE_SKIP vdev.validate_skip vdev_validate_skip
VOL_INHIBIT_DEV UNSUPPORTED zvol_inhibit_dev
VOL_MODE vol.mode zvol_volmode
VOL_RECURSIVE vol.recursive UNSUPPORTED
Enable zpool events tunables and tests on FreeBSD We have have made the necessary changes in our module code to expose zevents through both devd and the zpool events ioctl. Now the tunables can be exposed and zpool events tests can be enabled on both platforms. A few minor tweaks to the tests were needed to accommodate the way wc formats output on FreeBSD. zed remains to be ported. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Ryan Moeller <ryan@iXsystems.com> Closes #10008
2020-02-18 22:22:56 +03:00
ZEVENT_LEN_MAX zevent.len_max zfs_zevent_len_max
Avoid posting duplicate zpool events Duplicate io and checksum ereport events can misrepresent that things are worse than they seem. Ideally the zpool events and the corresponding vdev stat error counts in a zpool status should be for unique errors -- not the same error being counted over and over. This can be demonstrated in a simple example. With a single bad block in a datafile and just 5 reads of the file we end up with a degraded vdev, even though there is only one unique error in the pool. The proposed solution to the above issue, is to eliminate duplicates when posting events and when updating vdev error stats. We now save recent error events of interest when posting events so that we can easily check for duplicates when posting an error. Reviewed by: Brad Lewis <brad.lewis@delphix.com> Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Don Brady <don.brady@delphix.com> Closes #10861
2020-09-04 20:34:28 +03:00
ZEVENT_RETAIN_MAX zevent.retain_max zfs_zevent_retain_max
ZTS: Catalog tunable names for tests in tunables.cfg Update tests to use the variables for tunable names. Reviewed-by: John Kennedy <john.kennedy@delphix.com> Reviewed-by: Kjeld Schouten <kjeld@schouten-lebbing.nl> Reviewed-by: George Melikov <mail@gmelikov.ru> Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Ryan Moeller <ryan@ixsystems.com> Closes #9831
2020-01-15 01:57:28 +03:00
ZIO_SLOW_IO_MS zio.slow_io_ms zio_slow_io_ms
%%%%
while read name FreeBSD Linux; do
eval "export ${name}=\$${UNAME}"
done
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