v1.0.12

What's Changed

• scxctl: Add version to scx_loader dependency by @htejun in #1617
• chore(deps): update bpf/bpf-next kernel by @scx-ci-bot in #1618
• chore(deps): update sched_ext/for-next kernel by @scx-ci-bot in #1619
• common: include file and line number in scx_bpf_error by @JakeHillion in #1613
• scx_p2dq: Deprecate greedy idle selection by @hodgesds in #1621
• scxtop: scx_utils: Correctly handle signed values in CPU topology files by @metin-arm in #1587
• chaos: guarantee dispatch of tasks on quiet cpus by @JakeHillion in #1622
• chaos: store p2dq vtime and restore it before enqueue by @JakeHillion in #1625
• Cpumask code fixups by @etsal in #1592
• scx_lavd: Fix a verifier error on ARM64. by @multics69 in #1623
• scx_utils: Add EnergyModel (energy_model.rs). by @multics69 in #1624
• chore(deps): update bpf/bpf-next kernel by @scx-ci-bot in #1627
• chore(deps): update sched_ext/for-next kernel by @scx-ci-bot in #1628
• scx_chaos: fix missing kernel symbols on older kernels. by @devnexen in #1615
• scx_utils, scx_lavd: Add a new option, "--cpu-pref-order". by @multics69 in #1629
• scx_utils: fix too_many_arguments warning on create_insert_cpu(). by @devnexen in #1630
• chore(deps): update bpf/bpf-next kernel by @scx-ci-bot in #1632
• chore(deps): update sched_ext/for-next kernel by @scx-ci-bot in #1633
• scx_lavd: Prioritize recently woken-up tasks. by @multics69 in #1631
• scx_p2dq: Adjust max vtime calculation by @hodgesds in #1634
• scx_lavd: Simplify CPU frequency scaling. by @multics69 in #1635
• scxtop: Conditionally attach progs by @hodgesds in #1638
• scx_flash: Always bounce tasks to ops.enqueue() by @arighi in #1637
• scx_lavd: Further prioritize kworkers and a few more. by @multics69 in #1639
• scx_p2dq: Refactor load balancing by @hodgesds in #1642
• scx_p2dq: Update kthread selection on task context by @hodgesds in #1643
• chore(deps): update sched_ext/for-next kernel by @scx-ci-bot in #1644
• chore(deps): update stable/linux-rolling-stable kernel by @scx-ci-bot in #1645
• scx_lavd: Do not proactively reserve overflow CPUs, and more. by @multics69 in #1646
• scxtop: attach sched_waking porgram by @tyroguru in #1647
• chore(deps): update sched_ext/for-next kernel by @scx-ci-bot in #1648
• include/scx: Bump _Q_MAX_CPUs for arena spinlocks by @etsal in #1649
• scx_utils: retain all BPF output files for multiple compilation units by @etsal in #1650
• lib/sdt_alloc: remove sdt_* prefix from most of the allocator by @etsal in #1651
• chore(deps): update bpf/bpf-next kernel by @scx-ci-bot in #1654
• chore(deps): update sched_ext/for-next kernel by @scx-ci-bot in #1655
• scx_bpfland: Rework preemption behavior by @arighi in #1652
• chore(deps): update stable/linux-rolling-stable kernel by @scx-ci-bot in #1660
• scx_utils: Correctly test is_migration_disabled(). by @multics69 in #1658
• scx_lavd: Do not extend the overflow set for migration-disabled tasks. by @multics69 in #1659
• scx_bpfland: Normalize task weight by @arighi in #1662
• add tool to document vmlinux.h files by @likewhatevs in #1661
• wd40: fixups for getting single unit compilation working by @etsal in #1663
• scx_layered: gate nvidia_poll kprobe behind flag by @likewhatevs in #1664
• scx_layered: change default gpu kprobe level to prior behavior by @likewhatevs in #1665
• scx_lavd: Change type in clamp_time_slice_ns(). by @multics69 in #1666
• scx_bpfland: Skip migration attempts for migration-disabled tasks by @arighi in #1668
• scx_bpfland: Avoid unnecessary cpumask updates by @arighi in #1667
• chaos: add --ppid-required flag by @JakeHillion in #1656
• scxtop: clean up unused imports by @JakeHillion in #1670
• scx_p2dq: Add CLI args for tuning load balancing by @hodgesds in #1671
• scx_utils: use tempdir in test_bpf_builder_new by @JakeHillion in #1673
• scx_p2dq: Refactor dispatch load balancing by @hodgesds in #1672
• scx_p2dq: Bump version by @hodgesds in #1676
• scx_p2dq: Optimize paths on pick_idle_cpu by @hodgesds in #1677
• scx_p2dq: Fix handling of affinitized tasks by @hodgesds in #1678
• scx_lavd: Use 1024 instead 1000 for fixed point arithmetic. by @multics69 in #1680
• ci: Add affinity stress tests for CI jobs by @hodgesds in #1679
• scxtop: add process and thread descriptors by @tyroguru in #1674
• chore(deps): update bpf/bpf-next kernel by @scx-ci-bot in #1682
• fix(#1462): switch scxtop from protobuf to prost by @jalil-salame in #1669
• ci: add nixed script to cover rust part of ci by @JakeHillion in #1681
• scx_p2dq: Fix affinitized task handling by @hodgesds in #1684
• stress_tests: increase timeout_sec to 45s by @JakeHillion in #1685
• scxtop: better naming for kernel workqueue threads by @tyroguru in #1686
• scx_lavd: Calculate scaled and invariant CPU utilization. by @multics69 in #1683
• scx_layered: Debug dump improvements by @htejun in #1688
• scx_p2dq: Add configuration for dispatch load balancing by @hodgesds in #1692
• scx_p2dq: Refactor wakeup logic by @hodgesds in #1691
• scxtop: fixing missing process names by @tyroguru in #1694
• scxtop: trace (part of) pstate_sample by @devnexen in #1636
• scx_p2dq: Allow interactive task load balancing by @hodgesds in #1696
• meson: making protoc dependency more upfront before setting the project. by @devnexen in #1697
• scx_layered: Implement layer option skip_remote_node by @htejun in #1698
• scx_bpfland: improve wakeups by @arighi in #1693
• rustscheds: add common SCX_TIMEOUT_MS env var to set stall watchdog limit by @JakeHillion in #1695
• README: update list of build dependencies for Ubuntu by @arighi in #1700
• scx_lavd: Use scaled CPU utilization for calculating # of active CPUs. by @multics69 in #1699
• scx_lavd: Improve preemption at ops.tick() and ops.qneueue(). by @multics69 in #1703
• scx_lavd: Skip load balancing when there is only one compute domain. by @multics69 in #1704
• scx_bpfland: Introduce --no-wake-sync by @arighi in #1701
• chore(deps): update sched_ext/for-next kernel by @scx-ci-bot in #1705
• scx_utils: using more modern rust idiomatics. by @devnexen in #1706
• scx_p2dq: Refactor big/little scheduling by @hodgesds in #1702
• scx_bpfland: Fix inverted logic for --no-wake-sync by @arighi in #1711
• scx_flash: Avoid direct local dispatch of per-CPU tasks on SCX_ENQ_REENQ by @arighi in #1710
• scx_bpfland: Restore slice_lag tunable by @arighi in #1709
• chore(deps): update stable/linux-rolling-stable kernel by @scx-ci-bot in #1714
• scx_utils: Add mangolog module by @hodgesds in #1708
• scx_utils, scx_lavd: Use per-CPU cache size for CPU preference order. by @multics69 in #1715
• chore(deps): update bpf/bpf-next kernel by @scx-ci-bot in #1716
• scx_utils: Fix incorrect handling of CPU IDs on multi-NUMA machines. by @multics69 in #1717
• ci.py: run black and isort on self by @JakeHillion in #1718
• ci.py: switch to cargo-nextest by @JakeHillion in #1719
• p2dq/chaos: expose bpf file contents from p2dq crate by @JakeHillion in #1720
• scx_utils/scx_chaos/scx_p2dq: bump versions by @JakeHillion in #1721
• scxtop: Add mangoapp TUI view by @hodgesds in #1713
• ci.py: format nix files by @JakeHillion in #1722
• chore(deps): update bpf/bpf-next kernel by @scx-ci-bot in #1726
• scx_lavd: get cpu context of scx_bpf_task_cpu in running by @JakeHillion in #1728
• chore(deps): update sched_ext/for-next kernel by @scx-ci-bot in #1727
• scx_utils, scx_lavd: Group CPUs in the same performance domain. by @multics69 in #1725
• scx_lavd: Improve handling of synchronous wake-up. by @multics69 in #1729
• ci: update ubuntu installations to clang 19 by @JakeHillion in #1730
• scx_p2dq: introduce arenas by @etsal in #1712
• scx_lavd: Get the right CPU context from ops.stopping() by @arighi in #1732
• chore(deps): update sched_ext/for-next kernel by @scx-ci-bot in #1735
• chore(deps): update bpf/bpf-next kernel by @scx-ci-bot in #1734
• scx_lavd: Refactor the use of get_cpu_ctx(). by @multics69 in #1733
• scx_p2dq: Fix context lookup in stopping by @hodgesds in #1738
• scx_layered: add cpuset based growth algos by @likewhatevs in #1723
• scxtop: attach dsq bpf programs on kernels < 6.13 by @tyroguru in #1739
• scx_layered: allow protected CPUs to pull tasks from the low fallback queues by @etsal in #1740
• scx_utils, scxtop: Bindgen perf event by @frelon in #1737
• Revamp scx_rustland by @arighi in #1736
• layered: verifier fix by @likewhatevs in #1742
• chore(deps): update bpf/bpf-next kernel by @scx-ci-bot in #1744
• ci: refactor integration-tests part of workflows to reduce duplication by @JakeHillion in #1748
• rust: set lto to thin by @likewhatevs in #1745
• chore(deps): nix lock file maintenance by @JakeHillion in #1750
• ci: track 6.12 lts kernel and test it 6-hourly by @JakeHillion in #1751
• scx_p2dq: Update slice accounting by @hodgesds in #1752
• chore(deps): update bpf/bpf-next kernel by @scx-ci-bot in #1757
• chore(deps): update stable/linux-rolling-stable kernel by @scx-ci-bot in #1758
• scx_rustland_core: Support queued wakeups by @arighi in #1754
• scxtop: Fix ksym check for compatibility by @hodgesds in #1756
• scx_bpfland: Remove extra call to scx_bpf_now by @hodgesds in #1759
• Bump rust to 2024 by @likewhatevs in #1746
• rust_utils: read_file_byte() simplify units handling. by @devnexen in #1760
• scx_rustland_core: Reduce overhead and maximize CPU utilization by @arighi in #1762
• Revert "scx_rustland_core: Maximize CPU utilization" by @arighi in #1764
• scheds/c: Validate CPU count from libbpf by @EricccTaiwan in #1749
• scx_rlfifo: Fix CPU assignment logic by @EricccTaiwan in #1765
• rustland_core: Update README for CPU assignment by @EricccTaiwan in #1766
• scx_p2dq: Account for niceness in vtime scaling by @hodgesds in #1763
• scx_utils, scx_lavd: Properly handle task's niceness. by @multics69 in #1768
• scxtop: Add default perf event configuration by @hodgesds in #1755
• scx_rustland_core: Improve CPU utilization by @arighi in #1769
• ci.py: remove nix dependency from path and add experimental features flag by @JakeHillion in #1770
• scx_utils: Fix a warning around nice_to_weight(). by @multics69 in #1771
• scx_rustland_core: Periodically wakeup user-space scheduler by @arighi in #1772
• scx_rustland: Update doc and default settings by @arighi in #1773
• scx_rlfifo: Clarify Round-Robin scheduling by @EricccTaiwan in #1774
• scx_utils, scx_lavd: Revert "Properly handle task's niceness." by @multics69 in #1775
• chore(deps): update bpf/bpf-next kernel by @scx-ci-bot in #1777
• scx_p2dq: Fix nice handling by @hodgesds in #1776
• scx_rustland_core: Move mandatory scheduler options to BPF by @arighi in #1778
• add cargo fmt git hook by @likewhatevs in #1761
• partially revert "migrate to rust 2024, minimal fixes to build all" by @JakeHillion in #1779
• chore(deps): update bpf/bpf-next kernel by @scx-ci-bot in #1782
• chore(deps): update sched_ext/for-next kernel by @scx-ci-bot in #1783
• scx_rustland_core: Update documentation by @arighi in #1780
• scx_rustland_core: Reuse task vtime during direct dispatch by @arighi in #1785
• scx_lavd: Common case optimizations for ops.dispatch() and more. by @multics69 in #1784
• ci: add timeout to integration-tests by @JakeHillion in #1787
• scx_rustland: Evaluate used time slice based on partial exec runtime by @arighi in #1786
• chore(deps): update bpf/bpf-next kernel by @scx-ci-bot in #1789
• chore(deps): update sched_ext/for-next kernel by @scx-ci-bot in #1788
• ci: squash layered matrix by @JakeHillion in #1793
• layered: add suffix matcher by @likewhatevs in #1781
• ci: disable rustland test on stable kernels by @JakeHillion in #1795
• lib/sdt_alloc: introduce stack and buddy page allocators by @etsal in #1657
• scx_layered: add runtime-based task placement hints by @etsal in #1753
• scx_utils: Add header for scx_bpf_select_cpu_and() by @arighi in #1790
• scx_rustland_core: Remove unnecessary CPU wakeup from rs_select_cpu() by @arighi in #1791
• scxtop: Make stats client optional to avoid panic by @EricccTaiwan in #1796
• scx_lavd: Reduce the preemption overhead and more. by @multics69 in #1798
• chore(deps): update bpf/bpf-next kernel by @scx-ci-bot in #1799
• scx_nest: Fix build error by @arighi in #1801
• scxtop: Switch from char to u8 by @frelon in #1804
• chore(deps): update stable/linux-rolling-stable kernel by @scx-ci-bot in #1806
• scx_lavd: Do not deprioritize a new task. by @multics69 in #1807
• scx_rustland_core: fix nr_queued not decremented after dequeue by @EricccTaiwan in #1809
• Fix typo by @EricccTaiwan in #1810
• scx_p2dq: Always update dsq_id when enqueuing tasks by @hodgesds in #1808
• chore(deps): update stable/6_12 kernel by @scx-ci-bot in #1805
• README: fix inconsistent formatting by @EricccTaiwan in #1813
• Fix typos in doc and comments by @EricccTaiwan in #1814
• scxctl: simplifications through using rust idioms. by @devnexen in #1811
• scx_p2dq: Make interactive sticky work again by @hodgesds in #1802
• scx_layered: Support task hint map by @kkdwivedi in #1792
• chore(deps): update stable/6_12 kernel by @scx-ci-bot in #1815
• chore(deps): update bpf/bpf-next kernel by @scx-ci-bot in #1816
• doc: fix typos and formatting in README by @EricccTaiwan in #1818
• scx_rustland_core: Forbid mmap() syscall by @arighi in #1812
• scx_layered: Consume task_hint::hint for controlling vruntime advancement by @kkdwivedi in #1817
• chore(deps): update bpf/bpf-next kernel by @scx-ci-bot in #1820
• scx_lavd: Clean up command line options. by @multics69 in #1823
• scx_tickless: Improve scheduling timer by @arighi in #1822
• docs: fix typos and format scheduler names by @EricccTaiwan in #1824
• chore(deps): update sched_ext/for-next kernel by @scx-ci-bot in #1830
• scx_p2dq: Refactor slice handling by @hodgesds in #1829
• scx_userspace_arena: add api to allocate from arenas in userspace by @JakeHillion in #1819
• scx_rustland: replace or_insert_with_key with or_insert by @EricccTaiwan in #1831
• chore(deps): update bpf/bpf-next kernel by @scx-ci-bot in #1836
• scx_userspace_arena: set edition to 2021 by @JakeHillion in #1838
• scx_rustland_core : remove duplicated sentence by @EricccTaiwan in #1837
• layered: dont preempt if policy is not sched_ext by @likewhatevs in #1828
• layered: use passed in p instead of bpf_task_from_pid by @likewhatevs in #1832
• scx_p2dq: Fix accounting for long running tasks by @hodgesds in #1839
• scx_p2dq: Try to keep affinitized tasks sticky by @hodgesds in #1840
• scx_tickless: Avoid distributing tasks on scheduling CPUs by @arighi in #1842
• scx_p2dq: Keep non-interactive tasks sticky by @hodgesds in #1845
• layered: cleanup skip-preempt by @likewhatevs in #1843
• meson: requiring libseccomp to fix linking issue. by @devnexen in #1846
• chore(deps): update bpf/bpf-next kernel by @scx-ci-bot in #1847
• chore(deps): update stable/6_12 kernel by @scx-ci-bot in #1848
• chore(deps): update stable/linux-rolling-stable kernel by @scx-ci-bot in #1849
• release: v1.0.12 by @htejun in #1851

New Contributors

• @metin-arm made their first contribution in #1587
• @jalil-salame made their first contribution in #1669
• @EricccTaiwan made their first contribution in #1749

Full Changelog: v1.0.11...v1.0.12