v0.1.9

What's Changed

• scx_lavd: Add .gitignore by @htejun in #215
• systemd: Move services to separate directory by @sirlucjan in #216
• scx_rustland_core: separate crate source code from assets by @arighi in #217
• scx_rustland_core: bump up version to 0.2 by @arighi in #219
• Gracefully handle hotplug in scx_rusty by @Byte-Lab in #218
• meson: Add missing path to libbpf_local_h. by @ThinkerYzu in #220
• meson.build: Update libbpf and bpftool version requirements by @htejun in #221
• Sync libbpf_h and libbpf_local_h by @jordalgo in #222
• scx_lavd: support preemption (in some scenarios) by @multics69 in #224
• Fix error typo by @dschatzberg in #225
• rusty: Allocate DSQ on appropriate NUMA node by @Byte-Lab in #226
• Small rusty cleanup by @Byte-Lab in #228
• rusty: Remove explicit padding by @Byte-Lab in #229
• README: update additional resources by @arighi in #230
• simple: Invoke __COMPAT_scx_bpf_switch_all(); by @Byte-Lab in #231
• lavd: Fix a few typos by @Byte-Lab in #232
• layered: Fix init_task by @Byte-Lab in #233
• scheds-rust: build rust schedulers in sequence by @takase1121 in #236
• rustland: enable preemption by @arighi in #235
• layered: Add ability to match by process name by @Byte-Lab in #240
• topology: Don't allocate on calls to span() by @Byte-Lab in #241
• Add CPU frequency related helpers and extend scx_layered by @hodgesds in #239
• layered: Make layered backwards compat with cpufreq by @Byte-Lab in #243
• scx_rustland: reduce overhead by caching host topology by @arighi in #238
• scx_lavd: fix copyright information by @multics69 in #245
• scx_lavd: use c_char consistently by @arighi in #246
• rustland: bump up version by @arighi in #248
• scx-utils: bump up version to 0.8.0 by @arighi in #249
• scx_lavd: always inline submit_task_ctx to make the verifier happy by @multics69 in #247
• scx_lavd: replesih time slice at ops.running() only when necessary by @multics69 in #250
• Bump versions to prepare for a release by @htejun in #252

New Contributors

• @ThinkerYzu made their first contribution in #220
• @takase1121 made their first contribution in #236
• @hodgesds made their first contribution in #239

Full Changelog: v0.1.8...v0.1.9

v0.1.8

What's Changed

• README: drop reference to old ABI /sys/kernel/debug/sched/ext by @arighi in #140
• scx_rustland: improve kernel/user-space communication by @arighi in #142
• scx_rustland: prevent misaligned pointer dereference by @arighi in #144
• rust: Add topology module to utils crate by @Byte-Lab in #143
• scx_rustland: additional comand line options by @arighi in #145
• Add libbpf logging to rust schedulers by @jordalgo in #141
• scx: Demote panic! to warn! in topology crate by @Byte-Lab in #146
• layered: Fix static configuration, and dispatch for Grouped layers by @Byte-Lab in #148
• Refresh after attach by @Byte-Lab in #150
• scx_layered: Add MATCH_NICE_EQUALS match kind by @davemarchevsky in #149
• Add cpumask.rs crate by @Byte-Lab in #152
• Topology refactor by @Byte-Lab in #154
• scheds/sync-to-kernel.sh: Warn and skip if destination file is missing instead of failing by @htejun in #156
• scx_rustland: cpu topology refactoring by @Byte-Lab in #155
• common: Cosmetic change for consistency by @htejun in #157
• sync-to-kernel.sh: Sync scx_central and scx_flatcg by @htejun in #158
• ci: eclude scx_qmap and scx_userland from testing by @arighi in #160
• Gate cargo build options behind 'enable_rust' by @jordalgo in #162
• Add new infeasible.rs crate by @Byte-Lab in #159
• Introduce scx_rustland_core: a generic layer to implement user-space schedulers in Rust by @arighi in #161
• scx: update /etc/default/scx by @sirlucjan in #164
• build: limit the maximum amount of parallel cargo build by @arighi in #165
• Add libbpf as a submodule by @jordalgo in #163
• Revert "Merge pull request #163 from jordalgo/libbpf-submodule" by @htejun in #166
• Revert "Merge pull request #165 from sched-ext/reduce-rust-build-load" by @htejun in #167
• Add libbpf as a submodule (take 2) by @jordalgo in #168
• scx_rustland_core: API improvements by @arighi in #169
• meson-scripts/build_libbpf: Accommodate meson setting CC to "ccache $COMPILER" by @htejun in #170
• scx_rlfifo: warn user about performance by @arighi in #173
• Always build libbpf as a PIE by @jordalgo in #172
• Libbpf - add BUILD_STATIC_ONLY flag by @jordalgo in #174
• [trivial] docs: Update rhone link by @Byte-Lab in #175
• Remove libbpf as a submodule by @jordalgo in #177
• Update README.md by @htejun in #182
• scx_rustland_core: use new consume_raw() libbpf-rs API by @arighi in #180
• scx_rustland: interactive tuning by @arighi in #181
• Revert "scx_rustland_core: use new consume_raw() libbpf-rs API" by @arighi in #183
• Fetch and build bpftool by default by @jordalgo in #179
• rusty: Implement NUMA-aware load balancing by @Byte-Lab in #178
• scx_flatcg: Keep cgroup rb nodes stashed by @davemarchevsky in #33
• scx_layered: Implement layer properties exclusive and min_exec_us by @htejun in #185
• scx_layered: Make config json assume default vaules for unspecified fields by @htejun in #187
• Better parsing for clang version by @leitao in #190
• scx_rustland: mitigate sub-optimal performance with offline CPUs by @arighi in #189
• rusty: Account for disabled but offline CPUs by @Byte-Lab in #191
• topology: support single CPU systems by @arighi in #188
• scx_lavd: add LAVD (Latency-criticality Aware Virtual Deadline) scheduler by @multics69 in #192
• scx: update /etc/default/scx by @sirlucjan in #193
• scx_lavd: addressed comments from PR #192 by @multics69 in #194
• topology: Fall back to cache 0 by @Byte-Lab in #196
• layered: Make helper functions static by @Byte-Lab in #198
• scx_lavd: improve virtual deadline calculation by @multics69 in #197
• layered: Use TLS map instead of hash map by @Byte-Lab in #200
• scx_lavd: Clean up task state transition tracking by @htejun in #199
• scx_lavd: fix merge conflicts between PR 197 and 199 by @multics69 in #201
• scx_lavd: directly accumulate task's runtimes for consecutive runnings by @multics69 in #204
• rusty: Check LOCAL_DSQ length for WAKE_SYNC by @Byte-Lab in #206
• scx: Apply API updates from sched_ext by @htejun in #207
• Update cachyos-keyring by @sirlucjan in #208
• Update Arch install instruction in README.md by @htejun in #209
• Add install instructions for Fedora by @jordalgo in #210
• Doc & build: Warn about sccache by @htejun in #212
• openrc init support by @nycko123 in #211
• ci: make test build more robust by @arighi in #213
• scx_rustland_core: re-introduce consume_raw() libbpf-rs API by @arighi in #214

New Contributors

• @davemarchevsky made their first contribution in #149
• @leitao made their first contribution in #190
• @nycko123 made their first contribution in #211

Full Changelog: v0.1.7...v0.1.8

v0.1.7

What's Changed

• Bump versions by @htejun in #105
• ci: print the latest commit of the checked out sched-ext kernel by @arighi in #106
• scx_layered: Fix AFFN_VIOL stat bump by @dschatzberg in #107
• systemd-services: setting conflict between schedulers by @sirlucjan in #108
• Reworking systemd-service and adding a config file by @sirlucjan in #109
• Make meson.build more readable by @sirlucjan in #112
• scx_layered: small idle_cpumask cleanups by @dschatzberg in #111
• Add BREAKING_CHANGES.md by @jordalgo in #113
• [scx_layered] downgrade prometheus-client by @jordalgo in #115
• scx_layered: dispatch from select_cpu if possible by @dschatzberg in #114
• Add user_exit_info support to scx_utils and convert the rust scheds accordingly by @htejun in #116
• docs: Update OVERVIEW to match latest APIs by @Decave in #118
• scx_rustland: per-CPU DSQs + global shared DSQ by @arighi in #110
• scheds/sync-to-kernel.sh: Drop most schedulers from sync by @htejun in #119
• Include libbpf_h path in c sched compilation by @jordalgo in #120
• scx_rustland: prevent duplicate PIDs in the task BTreeSet by @arighi in #121
• common.bpf.h: Add kfunc prototype for scx_bpf_dispatch_cancel() by @htejun in #122
• scx_userland: Print warning about poor performance by @Decave in #124
• ci: Only do CI runs for pull requests by @Decave in #125
• Add linux-sched-ext to CachyOS repo by @sirlucjan in #126
• ci: detect errors only from stderr by @arighi in #128
• scx: Update vmlinux to use SCX_KICK_IDLE by @htejun in #131
• scx_rustland: fix cpumask stall and prevent stuttery behavior by @arighi in #132
• Implement solution to infeasible weights problem by @Decave in #129
• scx_rustland: per-task cpumask generation counter by @arighi in #133
• scx_rustland: performance improvements by @arighi in #136
• scx_utils: use c_char to prevent build failures by @arighi in #137
• Bump to 0.1.7 by @sirlucjan in #138

Full Changelog: v0.1.6...v0.1.7

SCX v0.1.6

What's Changed

• scx_rustland: small updates by @arighi in #77
• ci: temporarily switch to ppa:arighi/sched-ext-unstable by @arighi in #78
• scx_rustland: time slice boost by @arighi in #81
• scx_flatcg: introduce CGROUP_MAX_RETRIES by @arighi in #80
• scx_flatcg: Fix fallout from direct dispatch API update by @htejun in #82
• scx_rustland: Update README.md by @htejun in #83
• Update README.md to include terraria video by @htejun in #84
• scx_rustland: voluntary context switch boost by @arighi in #85
• scx_rustland: remove obsolete TODO note by @arighi in #86
• scx_userland: use a custom memory allocator to prevent page faults by @arighi in #87
• scx_rustland: introduce SMT support by @arighi in #90
• Add systemd services for scx schedulers by @sirlucjan in #88
• scx_rustland: introduce dynamic slice boost by @arighi in #91
• scx_nest: Set timer callback after cancelling by @Decave in #92
• scx-rustland: SMT improvements by @arighi in #94
• Set log size to 10M by @sirlucjan in #93
• ci: test the shedulers with the latest sched-ext kernel by @arighi in #95
• Set the correct value for sched-ext journald namespace by @sirlucjan in #97
• Update descriptions in cargo toml files by @jordalgo in #98
• scx_rustland: fixes to improve scheduler stability by @arighi in #99
• Add README.md for systemd services by @sirlucjan in #100
• systemd-services: replace ConditionPathExists with ConditionPathIsDirectory by @sirlucjan in #102
• Update vmlinux.h by @dschatzberg in #103
• user_exit_info: Print out debug dump if available by @htejun in #104
• scx_layered: Add support for OpenMetrics format by @dschatzberg in #101

New Contributors

• @dschatzberg made their first contribution in #103

Full Changelog: v0.1.5...v0.1.6

SCX v0.1.5

What's Changed

• scx_rustland: add documentation to scheds/rust/README.md by @arighi in #55
• scx_rustland: reduce scheduler overhead by @arighi in #56
• scx_rustland: improve scheduler cpu selection by @arighi in #57
• scx_rustland: prevent dispatching multiple tasks on the same idle cpu by @arighi in #58
• scx_rustland: lowlatency improvements by @arighi in #59
• scx_rustland: prevent starvation and improve responsiveness by @arighi in #60
• scx_rustland: notify user-space scheduler about exiting tasks by @arighi in #61
• test the schedulers in the github workflow using virtme-ng by @arighi in #51
• scheds: c: improve build portability by @arighi in #62
• Userland scheduler updates by @Decave in #63
• scx_rustland: improve interactive workloads by @arighi in #64
• Add new archs for bpf_builder by @jordalgo in #65
• Improve scx_rustland reliability by @arighi in #66
• Add README files for each rust scheduler by @jordalgo in #67
• scx_rustland: refactoring by @arighi in #68
• bump scx_rusty and scx_layered by @jordalgo in #71
• scx_rustland: enhancements by @arighi in #72
• scx_rustland: dynamic time slice by @arighi in #73
• scx_rustland: multicore fixes by @arighi in #74
• scx: Build fix after kernel update by @htejun in #75
• Bump versions by @htejun in #76

Full Changelog: v0.1.4...v0.1.5

SCX v0.1.4

What's Changed

• scx_rustland improvements by @arighi in #47
• scx_rustland: clarify and improve BPF / userspace interlocking by @arighi in #48
• scx_rustland: introduce update_idle callback by @arighi in #52
• Downgrade bindgen to 0.68 by @jordalgo in #50
• Suppress the deprecation warning from bindgen and bump versions by @htejun in #53

Full Changelog: v0.1.3...v0.1.4

SCX v0.1.3

What's Changed

• scx_userland: allocate tasks array based on kernel.pid_max by @arighi in #29
• make scx_userland more robust by @arighi in #30
• minor refactor of scx_rusty by @jordalgo in #31
• scx_utils: Update libbpf-cargo to 0.22 by @danielocfb in #32
• Revert "scx_utils: Update libbpf-cargo to 0.22" by @htejun in #35
• Update meson install in readme by @jordalgo in #34
• rust: Update libbpf-rs & libbpf-cargo to 0.22 by @danielocfb in #36
• Restructure scheds folder names by @jordalgo in #37
• Fix some things in Nest by @Decave in #39
• scx: Add CI action that builds schedulers for PRs by @Decave in #40
• Update README for additional resources (blog posts and articles) by @multics69 in #41
• ci: Run CI job on Ubuntu 22.04 by @Decave in #43
• scx_rustlite: simple vtime-based scheduler written in Rust by @arighi in #38
• scx_rustland: rename from scx_rustlite by @arighi in #44

New Contributors

• @danielocfb made their first contribution in #32
• @multics69 made their first contribution in #41

Full Changelog: v0.1.2...v0.1.3

SCX v0.1.2

What's Changed

• Update readme with alt meson install instructions by @jordalgo in #16
• Support offline compilation by @htejun in #17
• scx_nest: Reset schedulings when a task is dispatched by @Decave in #18
• build scx on 32-bit architectures by @arighi in #21
• scx_rusty: fix "subtract with overflow" error by @arighi in #20
• build: introduce enable_rust build option by @arighi in #22
• build: add Debian arch name mapping for s390 by @arighi in #23
• README: Add ubuntu instructions by @htejun in #24
• Update README for ubuntu instructions by @jordalgo in #25
• scx_central: Break dispatch_to_cpu loop when running out of buffer slots by @kkdwivedi in #26
• rust: clarify license and include text by @davide125 in #27
• Bump versions and add LICENSE symlinks for scx_layered and scx_rusty by @htejun in #28

New Contributors

• @jordalgo made their first contribution in #16
• @kkdwivedi made their first contribution in #26
• @davide125 made their first contribution in #27

Full Changelog: v0.1.1...v0.1.2

SCX v0.1.1

What's Changed

• README: Add instructions for Arch Linux by @htejun in #7
• Readme by @Decave in #8
• build: properly detect clang version in Ubuntu by @arighi in #11
• rusty: Fix calc_util() in rusty by @Decave in #9
• scx_nest: Add scx_nest scheduler by @Decave in #12
• scx_utils::BpfBuilder: properly detect clang version in Ubuntu by @arighi in #13
• scx_utils: Bump version to 0.3.2 by @htejun in #14
• Bump overall version to 0.1.1 by @htejun in #15

New Contributors

• @arighi made their first contribution in #11

Full Changelog: v0.1.0...v0.1.1

SCX initial release

v0.1.0

SCX v0.1.0