v1.0.9

What's Changed

• Sync with kernel sched_ext/for-6.14 by @htejun in #1101
• Crash after wake-up from hibernate: panicked at scheds/rust/scx_bpfla… by @mschaaf in #1106
• scx_lavd: Reuse bpf_ktime_get_ns() as many as possible by @multics69 in #1107
• scx_rustland_core: minor fixes by @arighi in #1105
• docs: Update gentoo installation instructions by @hodgesds in #1114
• common.bpf.h: Suppress generated prototypes in vmlinux.h by @htejun in #1115
• scx_lavd: Optimize autopilot mode for ARM platform by @multics69 in #1112
• scx_lavd: Add a fast path to pick_idle_cpu() when overloaded by @multics69 in #1117
• scx_lavd: Change the default time slice to 5 msec by @multics69 in #1119
• scx_layered: Fix lifetime variable related compile warnings by @htejun in #1122
• scx_lavd: Ensure task stealing from all compute domains by @multics69 in #1125
• prepare codebase for using arenas with Rust schedulers by @etsal in #1121
• scx_flash: Explicitly return in "fexit_vfs_fsync_range" by @vax-r in #1123
• scx_layered: Fix open layer handling by @htejun in #1124
• scx_lavd: Prioritize a migration-disabled task by @multics69 in #1126
• scx_layered: Implement layer property disallow_preempt_after_us by @htejun in #1129
• scx_layered: Open layer owned protection updates by @htejun in #1131
• lib/sdt_task.c: separate generic allocation code from task_ctx allocation by @etsal in #1130
• lib/sdt_alloc: fix LLVM19 compilation error by @etsal in #1134
• scx_bpfland: support !CONFIG_SMP kernels by @arighi in #1135
• scx_flash: Option for userspace lock boosting by @vax-r in #1136
• bpf_builder: emit warnings from clang by @JakeHillion in #1138
• rustland_core: clean up unused functions by @JakeHillion in #1141
• scx_bpfland: improve/simplify deadline by @arighi in #1137
• scx_rusty: prevent scheduling bubbles on kernels >= 6.12 by @arighi in #1139
• scx_flash: prevent scheduling bubbles on kernels >= 6.12 by @arighi in #1142
• mitosis: add missing return to select_cpu by @JakeHillion in #1140
• scx_utils: emit compilation warning when compiling multiple *.bpf.c files by @etsal in #1146
• scx_layered: fix compilation warnings by @etsal in #1147
• update README by @etsal in #1149
• build: Allow to build bpftool with clang by @vadorovsky in #1144
• lib/sdt_data: Support allocators for large structs by @etsal in #1150
• Enable Link-Time Optimization (LTO) for the Rust part by @zamazan4ik in #1011
• scxtop: Add scxtop tui by @hodgesds in #1154
• [scx] fix ci by @likewhatevs in #1157
• scx_lavd: Add a fast path for a migration-disabled task in pick_idle_cpu() by @multics69 in #1156
• scxtop: Add scheduler view to llc/node views by @hodgesds in #1159
• meson: do not link BPF library into C schedulers by default by @etsal in #1158
• lib/sdt_alloc: replace bpf_for with can_loop by @etsal in #1161
• scx_bpfland: do not allow per-CPU kthread to preempt other tasks by @arighi in #1148
• scxtop: Add additional bpf kprobes by @hodgesds in #1164
• scx_layered: Add pid namespace layer matching by @hodgesds in #1162
• docs: update nix install docs by @JohnRTitor in #1163
• lib: remove header install step now that headers are in scheds/include by @etsal in #1165
• scx_bpfland: improve robustness with real-time tasks and throughput by @arighi in #1166
• scx_rusty: use arena allocations for struct task_ctx by @etsal in #1133
• docs: Add scxtop to the developer docs by @hodgesds in #1169
• INSTALL.md: update for openSUSE by @sirlucjan in #1172
• scheds: Use crate version for --version by @frelon in #1173
• scxtop: Refactor bpf event handling and TUI fixes by @hodgesds in #1174
• scx_utils: addressing few clippy build warnings. by @devnexen in #1179
• scxtop: Fix attach on newer kernels by @hodgesds in #1180
• sdt_task: Cleanup formatting by @hodgesds in #1183
• scheds: Sync scx schedulers with the kernel changes: time_helpers and scx_bpf_now() by @multics69 in #1178
• scx_utils: Fix UserExitInfo::new() usage. by @devnexen in #1181
• scxtop: Add barchart to node view by @hodgesds in #1176
• scxtop: Add CPU frequency to default sparkline view by @hodgesds in #1177
• scx_utils: few code simplifications. by @devnexen in #1184
• scx_bpfland: avoid starvation of per-CPU tasks by @arighi in #1185
• scxtop: Fix node barchart by @hodgesds in #1186
• lib/sdt_alloc: rename sdt_arena_verify to avoid confusion by @etsal in #1187
• Revert gh1181 by @devnexen in #1189
• Code simpl2 by @devnexen in #1190
• scxtop: Collect uncore frequency by @hodgesds in #1191
• code simplifications, using more modern construct when possible. by @devnexen in #1192
• scx_rustland_core: fix static mutable reference usage warning (BUF). by @devnexen in #1193
• scx_layered: Fix dump_layer_cpumask() by @htejun in #1194
• Fix partialord warnings by @devnexen in #1196
• Code simpl4 by @devnexen in #1197
• scx_central: fix cpu affinity corrupted allocation (glibc). by @devnexen in #1198
• scxtop: code simplifications and little optimisation uncore freq file… by @devnexen in #1205
• scxtop: code simplifications and reduction of heap allocations for perf by @devnexen in #1208
• scx_utils: fix gpu-topology build by @devnexen in #1210
• scx_rusty: Move domains into arenas by @etsal in #1170
• scx_layered: add rule for matching thread to name change by @etsal in #1203
• scx_rusty: Cleanup naming by @etsal in #1213
• scxtop: proposing to add bus-cycles event. by @devnexen in #1217
• scxtop: Cleanup event intialization by @hodgesds in #1218
• meson: Install rust projects in tools dir by @frelon in #1219
• scx_lavd: Use time_delta() for clock difference calculation by @multics69 in #1222
• scx_layered: Implement allow_node_aligned layer property by @htejun in #1215
• scxtop: Add ability to select perf events by @hodgesds in #1220
• scx_bpfland: improvements by @arighi in #1224
• docs: Update tumbleweed installation steps by @frelon in #1226
• scx_lavd: Optimize the use of idle CPUs by @multics69 in #1223
• scxtop: update help display with last changes (perf event scrolling). by @devnexen in #1227
• scx_layered: Add matcher for when tgid is or is not equal to pid by @likewhatevs in #1204
• scxtop: Fix scroll on page up by @hodgesds in #1230
• scx_layered: fixes for MATCH_SCXCMD_JOIN by @etsal in #1232
• scxtop: Add event to default list after selection by @hodgesds in #1233
• scx_layered: Document the CmdJoin layer by @etsal in #1235
• scx_loader: Avoid race condition with start_scheduler by @taoky in #1225
• scxtop: Fill render area by setting max events by @hodgesds in #1237
• scx_utils/scx_layered: code modernisation/simplifications. by @devnexen in #1239
• scx_lavd: Conder the hardware resource sharing level in CPU ordering by @multics69 in #1240
• scx_utils: cleanup gpu topology part by @devnexen in #1211
• scxtop: Add scx_stats support by @hodgesds in #1241
• scxtop: Fix layout for sparklines by @hodgesds in #1242
• scx_utils: add retries and fallback path for autopower by @ruihe774 in #1245
• scx_bpfland: update default options and performance profiles by @arighi in #1248
• [scx-layered] fix bug in matching logic of tgid==pid matcher by @likewhatevs in #1250
• [scx-layered] misc. lsp cleanup by @likewhatevs in #1249
• scx_layered: initial attempt at adding gpu layer match filter by @likewhatevs in #1228
• scx_rustland_core: remove idle polling by @arighi in #1253
• scx/common.bpf.h: Add helper to check task migration state by @arighi in #1254
• scx_bpfland: enable task preemption by @arighi in #1255
• scx_layered: fix typo in docs by @likewhatevs in #1256
• scxtop: Add support for generating perfetto traces by @hodgesds in #1252
• scx_central: alert for 'silly' values for the chosen cpu from command… by @devnexen in #1261
• scx_rusty: Misc updates by @htejun in #1258
• scx_lavd: Improve preemption for non-migratable tasks by @multics69 in #1260
• Scx bpfland heapless by @devnexen in #1244
• make ci use a stable branch for MRs etc. by @likewhatevs in #1263
• scx_rusty: Use bpf_skel::types::* instead of bpf_intf::* by @htejun in #1265
• lib/sdt_alloc: fix bpf-next verification error by @etsal in #1243
• scx_rusty: add option for setting scx_bpf_cpuperf_set() by @etsal in #1262
• add hooks to notify when periodic jobs fail by @likewhatevs in #1266
• scxtop: Fix handling non scx scheduled switch events by @hodgesds in #1267
• scxtop: Add trace options by @hodgesds in #1268
• Fix periodic job notifications by @likewhatevs in #1270
• scx_lavd: Don't try preemption for greedy tasks by @multics69 in #1272
• scx_rustland_core: re-introduce ops.update_idle() by @arighi in #1274
• scxtop: fix short option conflict between tick* options. by @devnexen in #1271
• scx_rustland_core: bump up version to 2.2.6 by @arighi in #1273
• ci: add build-kernel-nix job using dedicated server by @JakeHillion in #1257
• scx_prev: a simple scheduler tested on OLTP workloads by @danieljordan10 in #1275
• scx_prev: delete unused logic for nr_cpus_allowed == 1 tasks by @danieljordan10 in #1276
• scx_utils: Bump up version to 1.0.10 by @arighi in #1279
• ci: create reusable workflow for nix kernel builds by @JakeHillion in #1278
• scx_utils: adding cpu affinity data to Gpu type. by @devnexen in #1281
• scx_lavd: Do not set task's time slice to zero at the ops.enqueue() path by @multics69 in #1284
• scx_utils: #1281 follow-up for 32 bits. by @devnexen in #1282
• scx_util: Fix incorrect time delta calculation in time_delta() by @multics69 in #1286
• scx_lavd: Revert "scx_lavd: Preemption when ops.select_cpu() was skipped" by @multics69 in #1287
• scx_utils: addressing #1282 concerns by @devnexen in #1288
• ci: disable DEBUG_INFO_REDUCED for arm64 by @luigidematteis in #1289
• ci: only trigger slack notification on failure of main for scheduled runs by @JakeHillion in #1277
• scx_layered: refactor gpu support to workaround nvml issues by @likewhatevs in #1285
• ci: switch scheduled jobs to nix built kernel by @JakeHillion in #1280
• sdt_alloc: mark allocation functions as weak by @etsal in #1292
• scx_layered: make short gpu poll interval configurable by @likewhatevs in #1294
• lib/sdt_alloc: introduce typeless init-time arena allocator by @etsal in #1291
• scx_layered: various code optimisations/simplifications. by @devnexen in #1295
• ci: deduplicate rust test jobs and build more targets by @JakeHillion in #1297
• scx_lavd: Use BPF CO-RE for SCX_ENQ_CPU_SELECTED by @multics69 in #1298
• ci: avoid synchronising scheduled jobs by @JakeHillion in #1299
• lib/sdt_alloc: move sdt_static definition to sdt_task.h header by @etsal in #1303
• ci: enable running on github runners when outside of repository by @JakeHillion in #1304
• ci: pass through rust test paths to prevent a rebuild by @JakeHillion in #1305

New Contributors

• @mschaaf made their first contribution in #1106
• @vadorovsky made their first contribution in #1144
• @zamazan4ik made their first contribution in #1011
• @JohnRTitor made their first contribution in #1163
• @devnexen made their first contribution in #1179
• @taoky made their first contribution in #1225

Full Changelog: v1.0.8...v1.0.9