v1.0.20

What's Changed

• scx_p2dq: Add fork-time load balancing across LLCs by @hodgesds in #3112
• versions: bump versions for 1.0.19 release by @htejun in #3124
• layered: fix GPU matching when member_expire_ms=0 by @xerothermic in #3126
• chore(deps): update bpf/bpf-next kernel by @scx-ci-bot in #3128
• scx_layered: Bump version for a hotfix release by @htejun in #3131
• scx_layered: prevent timestamp 0 for GPU kprobe map by @etsal in #3120
• scx_cargo: scx_utils::BpfBuilder -> scx_cargo::BpfBuilder by @Gliczy in #3127
• chore(deps): update bpf/bpf-next kernel by @scx-ci-bot in #3133
• scx_raw_pmu: remove flaky tests by @etsal in #3135
• scx_lavd: Account for time stolen from tasks from steal/irq_time by @daidavid in #3098
• chore(deps): update bpf/bpf-next kernel by @scx-ci-bot in #3136
• lib: move ravg and add arena copy methods by @etsal in #3134
• chore(deps): update stable/6_12 kernel by @scx-ci-bot in #3137
• build: Reduce the binary size for the release-tiny profile by @multics69 in #3138
• scx_p2dq: Add energy-aware scheduling with thermal and frequency awareness by @hodgesds in #3115
• scx_p2dq: Fix atq verification by @hodgesds in #3140
• chore(deps): update sched_ext/for-next kernel by @scx-ci-bot in #3141
• chore(deps): update bpf/bpf-next kernel by @scx-ci-bot in #3144
• nix: bump virtme-ng 1.36->1.40 by @JakeHillion in #3147
• chore(deps): update sched_ext/for-next kernel by @scx-ci-bot in #3148
• nix: virtme-ng: add missing mcp dep by @JakeHillion in #3149
• Cargo.lock: update dependencies to latest versions by @sirlucjan in #3150
• Add perfmon based scheduling to scx_cosmos by @balbirs-nv in #3151
• chore(deps): update sched_ext/for-next kernel by @scx-ci-bot in #3153
• chore(deps): update stable/linux-rolling-stable kernel by @scx-ci-bot in #3154
• scx_p2dq: Fix ARM build by @EricccTaiwan in #3155
• Use scx_bpf_cpu_curr() instead of deprecated scx_bpf_cpu_rq() by @cloehle in #2734
• chore(deps): update stable/6_12 kernel by @scx-ci-bot in #3152
• chore(deps): update sched_ext/for-next kernel by @scx-ci-bot in #3157
• chore(deps): update bpf/bpf-next kernel by @scx-ci-bot in #3156
• chore(deps): update bpf/bpf-next kernel by @scx-ci-bot in #3158
• chore(deps): update sched_ext/for-next kernel by @scx-ci-bot in #3159
• chore(deps): update bpf/bpf-next kernel by @scx-ci-bot in #3161
• scx_bpfland: Re-introduce --slice-min-us by @arighi in #3162
• Cargo: update dependencies to latest versions by @sirlucjan in #3163
• chore(deps): update stable/6_12 kernel by @scx-ci-bot in #3164
• chore(deps): update stable/linux-rolling-stable kernel by @scx-ci-bot in #3165
• chore(deps): update bpf/bpf-next kernel by @scx-ci-bot in #3167
• chore(deps): update sched_ext/for-next kernel by @scx-ci-bot in #3166
• Downgrade crate dependencies to more stable / portable versions by @arighi in #3169
• chore(deps): update bpf/bpf-next kernel by @scx-ci-bot in #3171
• mitosis: make independent of cpu cg controller presence by @likewhatevs in #3145
• scx_layered: fix kprobe race by @etsal in #3132
• chore(deps): update bpf/bpf-next kernel by @scx-ci-bot in #3174
• chore(deps): update sched_ext/for-next kernel by @scx-ci-bot in #3175
• scx_lavd: complete refactor into separate compiliation units by @etsal in #3173
• chore(spelling): fix typos across schedulers, libs, and tools by @oxyzenQ in #3172
• scx_cosmos: Bump up version to 1.0.6 by @arighi in #3176
• scx_cargo: Bump up version to 1.0.26 for scx_cosmos by @arighi in #3179
• lib: assorted bugfixes by @etsal in #3160
• chore(deps): update sched_ext/for-next kernel by @scx-ci-bot in #3183
• scx_lavd: Fix stale migration roles in load balancer, remove redundant condition, and optimize the stealing loop by @bboymimi in #3109
• utils: Graceful error handling for EnergyModel. by @multics69 in #3184
• chore: Add .codespellrc for future-proof typo checking by @oxyzenQ in #3181
• chore(deps): update bpf/bpf-next kernel by @scx-ci-bot in #3185
• scx_beerland: Reduce scheduler overhead by @arighi in #3186
• chore(deps): update bpf/bpf-next kernel by @scx-ci-bot in #3187
• chore(deps): update bpf/bpf-next kernel by @scx-ci-bot in #3191
• chore(deps): update stable/linux-rolling-stable kernel by @scx-ci-bot in #3192
• scx_lavd: reduce stack spilling in scx_dispatch by @etsal in #3193
• lib/sdt_task: add error messages on alloc path by @etsal in #3194
• arena: initial ASAN support and new allocators by @etsal in #3188
• README: update upstream status and add LPC 2024/2025 links by @etsal in #3197
• chore(deps): update bpf/bpf-next kernel by @scx-ci-bot in #3199
• chore(deps): update bpf/bpf-next kernel by @scx-ci-bot in #3201
• asan: buddy allocator bugfixes by @etsal in #3200
• chore(deps): update stable/6_12 kernel by @scx-ci-bot in #3204
• chore(deps): update stable/linux-rolling-stable kernel by @scx-ci-bot in #3205
• asan: remove hardcoded arena size and shadow offset by @etsal in #3203
• scx_lavd: remove unused cpumask by @etsal in #3208
• chore(deps): update bpf/bpf-next kernel by @scx-ci-bot in #3209
• scx_lavd: Change nr_queued_on_cpu() to queued_on_cpu(). by @multics69 in #3214
• chore(deps): update stable/linux-rolling-stable kernel by @scx-ci-bot in #3215
• chore(deps): update stable/6_12 kernel by @scx-ci-bot in #3216
• asan: remove scx prefix and header dependencies by @etsal in #3207
• asan: add option for turning off address sanitization in allocators by @etsal in #3221
• scx_lavd: remove duplicate mask declarations by @etsal in #3219
• scx_lavd: Misc code clean-up and hardening. by @multics69 in #3217
• [scx_stat] Support timeout in stats client by @mkutsevol in #3222
• scx_lavd: Improve latency criticality propagation among tasks. by @multics69 in #3218
• chore(deps): update bpf/bpf-next kernel by @scx-ci-bot in #3224
• chore(deps): update sched_ext/for-next kernel by @scx-ci-bot in #3223
• services: re-introduce basic systemd support (make systemd service great again) by @sirlucjan in #3226
• scx_lavd: Improve scaled load calculation and core compaction. by @multics69 in #3225
• scx_p2dq: Misc cleanup by @hodgesds in #3227
• chore(deps): update bpf/bpf-next kernel by @scx-ci-bot in #3228
• scxtop: Add support for parsing wprof perfetto traces by @hodgesds in #3230
• chore(deps): update bpf/bpf-next kernel by @scx-ci-bot in #3231
• scx_p2dq: Clean stats output by @hodgesds in #3232
• scx_p2dq: add Intel uncore frequency, turbo, and EPP controls by @hodgesds in #3234
• chore(deps): update bpf/bpf-next kernel by @scx-ci-bot in #3236
• services: update systemd service unit by @sirlucjan in #3237
• chore(deps): update bpf/bpf-next kernel by @scx-ci-bot in #3238
• chore(deps): update stable/6_12 kernel by @scx-ci-bot in #3240
• chore(deps): update stable/linux-rolling-stable kernel by @scx-ci-bot in #3241
• Fix typo "tradepoint" by @RinHizakura in #3239
• Revise Fedora installation instructions for scx_scheds by @Sisyphus1813 in #3235
• scx_lavd: Improve core compaction to use effective capacity. by @multics69 in #3242
• chore(deps): update bpf/bpf-next kernel by @scx-ci-bot in #3244
• chore(deps): update bpf/bpf-next kernel by @scx-ci-bot in #3248
• scx_mitosis: Reject partial multi-CPU pinning by default by @tommy-u in #3250
• chore(deps): update stable/6_12 kernel by @scx-ci-bot in #3251
• chore(deps): update bpf/bpf-next kernel by @scx-ci-bot in #3252
• chore(deps): update stable/linux-rolling-stable kernel by @scx-ci-bot in #3253
• chore(deps): update bpf/bpf-next kernel by @scx-ci-bot in #3255
• include: Reorganize and de-duplicate common BPF headers by @multics69 in #3254
• chore(deps): update bpf/bpf-next kernel by @scx-ci-bot in #3258
• chore(deps): update bpf/bpf-next kernel by @scx-ci-bot in #3260
• include, scx_lavd: Prioritize a task woken by a hardirq or softirq. by @multics69 in #3261
• chore(deps): update bpf/bpf-next kernel by @scx-ci-bot in #3262
• chore(deps): update sched_ext/for-next kernel by @scx-ci-bot in #3263
• chore(deps): update bpf/bpf-next kernel by @scx-ci-bot in #3265
• scx_beerland: Reduce scheduling overhead by @arighi in #3264
• scx_beerland: Increase direct dispatches by @arighi in #3266
• scx_rustland_core: Do not treat the user-space scheduler CPU as idle by @arighi in #3269
• chore(deps): update stable/6_12 kernel by @scx-ci-bot in #3273
• chore(deps): update bpf/bpf-next kernel by @scx-ci-bot in #3274
• chore(deps): update stable/linux-rolling-stable kernel by @scx-ci-bot in #3275
• include: Sync bpf_experimental.h with one in the latest bpf-next. by @multics69 in #3272
• chore(deps): update bpf/bpf-next kernel by @scx-ci-bot in #3276
• chore(deps): update sched_ext/for-next kernel by @scx-ci-bot in #3277
• scx_layered: add partial core allocation mode by @etsal in #3271
• scx_lavd: Remove an obsolete global variable, __nr_cpu_ids. by @multics69 in #3278
• scx_lavd: Increase greedy factor in deadline calculation. by @multics69 in #3279
• chore(deps): update bpf/bpf-next kernel by @scx-ci-bot in #3285
• chore(deps): update sched_ext/for-next kernel by @scx-ci-bot in #3284
• scx_utils: Fix off-by-one bug in Cpumask by @jodh-nvidia in #3286
• chore(deps): update bpf/bpf-next kernel by @scx-ci-bot in #3287
• scx_lavd: Inherit scheduling context from parent on fork. by @multics69 in #3280
• scx_lavd: Optimize task migration for execve. by @multics69 in #3281
• include: reduce arena size for compatibility with older kernels by @etsal in #3288
• CI: fix empty env variables and transitional meta packages by @arighi in #3292
• rustland_core: Simplify bss_data access in dequeue_task by @EricccTaiwan in #3291
• Revert "include: reduce arena size for compatibility with older kernels" by @etsal in #3293
• chore(deps): update sched_ext/for-next kernel by @scx-ci-bot in #3289
• chore(deps): update bpf/bpf-next kernel by @scx-ci-bot in #3290
• chore(deps): update stable/linux-rolling-stable kernel by @scx-ci-bot in #3297
• chore(deps): update stable/6_12 kernel by @scx-ci-bot in #3295
• chore(deps): update bpf/bpf-next kernel by @scx-ci-bot in #3296

New Contributors

• @Gliczy made their first contribution in #3127
• @balbirs-nv made their first contribution in #3151
• @mkutsevol made their first contribution in #3222
• @jodh-nvidia made their first contribution in #3286

Full Changelog: v1.0.19...v1.0.20