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- Kmemleak `clear` is invoked right before every test case run.
- Kmemleak `scan` is requested right after each test case is finished.
- Kmemleak instrumentation is not used for
setup/cleanup/pretest/posttest/failsafe stages to shorten the test
case execution time.
- Kmemleak periodic scan is disabled (`scan=0`) before the test suite
run to avoid interfering with the on-demand scan results.
- There are unavoidable potential false positives coming from kernel
areas other than OpenZFS module.
- The ZTS with kmemleak enabled duration is increased by ~50%.
Example run
```
Running Time: 07:12:13
Percent passed: 98.3%
unreferenced object 0xffff9da82aea5410 (size 80):
comm "kworker/u32:10", pid 942206, jiffies 4296749716 (age 2615.516s)
hex dump (first 32 bytes):
00 30 30 00 00 00 00 00 ff 8f 30 00 00 00 00 00 .00.......0.....
51 e6 77 05 a8 9d ff ff 00 00 00 00 00 00 00 00 Q.w.............
backtrace:
[<000000005cf1fea2>] alloc_extent_state+0x1d/0xb0 [btrfs]
[<0000000083f78ae5>] set_extent_bit+0x2ff/0x670 [btrfs]
[<00000000de29249e>] lock_extent_bits+0x6b/0xa0 [btrfs]
[<00000000b241f424>] lock_and_cleanup_extent_if_need+0xaf/0x1c0
[btrfs]
[<0000000093ca72b5>] btrfs_buffered_write+0x297/0x7d0 [btrfs]
[<000000002c2938c8>] btrfs_file_write_iter+0x127/0x390 [btrfs]
[<00000000b888f720>] do_iter_readv_writev+0x152/0x1b0
[<00000000320f0bcc>] do_iter_write+0x7c/0x1c0
[<000000000b5a8fe0>] lo_write_bvec+0x62/0x150 [loop]
[<000000009aa03c73>] loop_process_work+0x250/0xbd0 [loop]
[<00000000c7487d8a>] process_one_work+0x1f1/0x390
[<000000000b236831>] worker_thread+0x53/0x3e0
[<0000000023cb3e57>] kthread+0x127/0x150
[<000000002d48676a>] ret_from_fork+0x22/0x30
```
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Ryan Moeller <ryan@iXsystems.com>
Signed-off-by: szubersk <szuberskidamian@gmail.com>
Closes #13084
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| .github | ||
| cmd | ||
| config | ||
| contrib | ||
| etc | ||
| include | ||
| lib | ||
| man | ||
| module | ||
| rpm | ||
| scripts | ||
| tests | ||
| udev | ||
| .editorconfig | ||
| .gitignore | ||
| .gitmodules | ||
| AUTHORS | ||
| autogen.sh | ||
| CODE_OF_CONDUCT.md | ||
| configure.ac | ||
| copy-builtin | ||
| COPYRIGHT | ||
| LICENSE | ||
| Makefile.am | ||
| META | ||
| NEWS | ||
| NOTICE | ||
| README.md | ||
| RELEASES.md | ||
| TEST | ||
| zfs.release.in | ||
OpenZFS is an advanced file system and volume manager which was originally developed for Solaris and is now maintained by the OpenZFS community. This repository contains the code for running OpenZFS on Linux and FreeBSD.
Official Resources
- Documentation - for using and developing this repo
- ZoL Site - Linux release info & links
- Mailing lists
- OpenZFS site - for conference videos and info on other platforms (illumos, OSX, Windows, etc)
Installation
Full documentation for installing OpenZFS on your favorite operating system can be found at the Getting Started Page.
Contribute & Develop
We have a separate document with contribution guidelines.
We have a Code of Conduct.
Release
OpenZFS is released under a CDDL license.
For more details see the NOTICE, LICENSE and COPYRIGHT files; UCRL-CODE-235197
Supported Kernels
- The
METAfile contains the officially recognized supported Linux kernel versions. - Supported FreeBSD versions are any supported branches and releases starting from 12.2-RELEASE.