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| Name: scx | Distribution: openSUSE Tumbleweed |
| Version: 1.0.8 | Vendor: openSUSE |
| Release: 1.1 | Build date: Tue Dec 17 10:35:57 2024 |
| Group: Unspecified | Build host: reproducible |
| Size: 46873861 | Source RPM: scx-1.0.8-1.1.src.rpm |
| Packager: http://bugs.opensuse.org | |
| Url: https://github.com/sched-ext/scx | |
| Summary: Sched_ext CPU schedulers | |
sched_ext is a Linux kernel feature which enables implementing kernel thread schedulers in BPF and dynamically loading them. This package contains various scheduler implementations and support utilities.
GPL-2.0-only
* Tue Dec 17 2024 fredrik.lonnegren@suse.com
- Update to version 1.0.8:
* scx_layered: Put all tasks with custom affinities into the hi fallback DSQs
* scx_bpfland: do not rely on scx_utils::autopower
* scx_layered: Make low fallback DSQs useful and other changes
* scx_layered: handle nr_to_free calculation
* scx_layered: Implement empty LLC draining
* scx_layered: queued_runtime tracking bug fix and disable xllc_mig_min_us
* scx_bpfland: server workload improvements
* scx_loader: add mode for server-oriented workloads
* scx_layered: Improve layer core growth algos
* scx_layered: Make layered work in pid namespaces
* scx_loader: fix recursion of type convertion
* scx_layered: Add pid namespace layer matching
* Sat Dec 07 2024 fredrik.lonnegren@suse.com
- Update to version 1.0.7:
* scx_layered: Add fallback DSQ cost accounting
* scx_layered: Fix verifier issue when tracing
* scx_lavd: update cur_logical_clk atomically
* scx_loader: tune scx_bpfland default options
* scx_layered: Fix verifier issue on older kernels
* scx_layered: Use layer idle_smt option
* scx_layered: Add fallback costs to dump
* scx_layered: Work around older kernels choking on function calls
* scx_layered: add timer antistall
* scx_layered: Fix error in dispatch consumption
* scx_layered: Add helper for layer slice duration
* scx_layered: Fix cost accounting for fallback dsqs
* scx_layered: Consume from local LLCs for dispatch
* scheds: introduce scx_flash
* scx_layered: Perf improvements and a bug fix
* scx_layered: Don't limit antistall execution to layered_cpumask
* scx_layered: Fix verifier issues on older kernels
* scx_layered: Cleanups around topology handling
* scx_lavd: Factor the task's runtime more aggressively in a deadline
calculation
* scx_layered: Work around verification failure in antistall_set()
* scx_loader: add scx_flash as supported scheduler
* scx_layered: Add netdev IRQ balancing
* scx_layered: Use PROG_RUN for cpumask updates
* scx_lavd: Optimize the layout of struct task_ctx
* scx_layered: Remove high fallback dsq budget check
* scx_lavd: Do not exclude exiting tasks
* scx_rustland_core: proactively wake up CPUs when selected by user space
* scx_layered: Reimplement CPU allocation and some other fixes
* scx_rusty: Fix verifier errors on older kernels
* scx_layered: select_cpu() fixes and updates
* scx_lavd: Boost time slice more generously
* scx_lavd: Optimize performance criticality calculation
* scx_lavd: Optimize the cpuc_ctx layout for cache friendliness
* scx_lavd: Optimize preemption
* scx_bpfland: restart on energy profile change
* scx_lavd: add tunables for adjusting time slices
* scx_layered: Track owned/open execution times and per-LLC-layer stats
* scx_loader: restart scheduler upon fail
* scx_lavd: Limit the slice extension of a lock holder
* scx_layered: Implement in-layer execution protection to replace cost based
fairness
* scx_bpfland: dump cache_id_map in ascending order
* scx_layered: Fix idle selection on big/little
* scx_layered: Prioritize sched userspace and fix owned execution protection
* scx_layered: State tracking updates and layer sizing related fixes
* scx_lavd: Load balancing across compute domains
* scx_layered: Deprecate idle_smt layer config
* scx_lavd: Fetch active profile from power-profiles-daemon dbus interface
when using autopower
* scx_layered: Make vtime_now per-LLC
* scx_layered: Implement layer config xllc_mig_min_us
* scx_utils: Extend topology to support Snapdragon X Elite
* scx_rusty: Refactor access operation of nodemask
* scx_stats,scx_lavd: describe non-nested stats meta
* scx_lavd: Reset per-CPU preemption information when a CPU is released
* scx_layered: Fix vtime and llc_id handling bugs
* scx_layered: Fix a silly bug in select_cpu() and implement per-layer fifo
mode
* Mon Nov 18 2024 fredrik.lonnegren@suse.com
- Update to version 1.0.6:
* scx_lavd: support CPU hotplug correctly
* scx_rusty: fix single dom short-circuit
* scx_layered: Add per layer time slices to stats
* scx_layered: Refactor topology algorithms to a separate module
* scx_layered: Add per layer weights
* scx_bpfland: rework lowlatency mode
* scx_layered: Add big cpumask
* scx_layered: Use idle smt mask for idle selection
* scx_layered: Improve perf on non topo aware paths
* scx_rusty: Fix BPF crash during CPU hotplug
* scx_layered: Update idle topology selection order
* scx_layered: lighten/reduce nested loops in layered dispatch
* scx_layered: Add stress-ng example layer
* scx_layered: Make stress-ng non exclusive in example
* scx_bpfland: prevent per-CPU DSQ stall with per-CPU kthreads
* scx_layered: enable configuring layer iteration when no topo
* [rusty] Fix load stats when host is under-utilized
* scx_layered: Update CI to show stats
* layered: split dispatch into no_topo version
* scx_layered: Rename load_adj statistic
* layered: attempt to work steal from own llc before others
* scx_layered: Fix verifier errors
* scx_layered: Cleanup debug messages
* scx_bpfland: fix cpumask initialization error
* scx_layered: Change default DSQ iter algo
* scx_layered: Cleanup topology preempt path
* scx_layered: Implement reverse weight DSQ algorithm
* scx_layered: make default value for disable_topology dynamic
* scx_lavd: mitigate the lock holder preemption problem
* scx_rustland_core: use handle_mm_fault kprobe
* scx_bpfland: drop per-cpu DSQs
* scx_lavd: do not inspect scx_lavd process itself
* scx_layered: Remove layer iteration
* scx_mitosis: handle enqueue() on !wakeup
* scx_mitosis: Handle pinned tasks
* scx_layered: add RandomTopo layer growth algorithm
* scx_layered: make disable_topology arg require equals
* scx_bpfland: rework lowlatency mode
* scx_layered: Fix crash on aarch64 due to unavailable cache id file
* scx_lavd: add missing reset_lock_futex_boost()
* scx_rustland: Adjust task's vruntime budget based on latency weight
* scx_layered: fix exit_task ctx lookup err
* scx_lavd: fix/work around a verifier error
* scx_lavd: various optimizations for more consistent performance
* scx_loader: introduce configuration
* scx_layered: Add monitor
* scx_layered: Fix declarations in timer
* scx_lavd: fix uninitialized memory access at comp_preemption_info()
* scx_layered: support verifying on older kernels and fix logic
* scx_layered: Add cost accounting
* scx_lavd: optimize preemption
* scx_layered: Refactor dispatch
* scx_lavd: tuning and optimizing latency criticality calculation
* scx_layered: Add layer name to bpf
* scx_layered: Add layer CPU cost to dump
* scx_lavd: Correct the type of taskc within lavd_dispatch()
* scx_lavd: optimize ops.dispatch() and DSQ placement
* scx_layered: Fix dump output format
* scx_layered: Add additional drain to fallback DSQs
* scx_layered: Fix trace format
* scx_layered: point costc to global struct when initializing budgets
* scx_lavd: entirely drop kernel lock tracing
* scx_rusty: Restore push domain tasks when no task found
* scx_lavd: fix a performance regression bug
(perf bench -f simple sched messaging)
* Tue Oct 29 2024 Fredrik Lönnegren <fredrik.lonnegren@suse.com>
- Move scx-<version>.tar.zst to buildtime service.
* Tue Oct 22 2024 Fredrik Lönnegren <fredrik.lonnegren@suse.com>
- Add devel package that includes the common headers from the upstream
repository.
* Thu Oct 03 2024 Fredrik Lönnegren <fredrik.lonnegren@suse.com>
- Update to v1.0.5:
* scx_rustland_core: introduce topology awareness
* scx_layered: clean up Layer::new layer_growth_algo
* scx_lavd: improve greedy ratio calculation and more
* scx_rustland_core: move includes back to the lib section
* scx_bpfland: use sum_exec_runtime to evaluate task's used time slice
* scx_layered: Fix typo in stats
* scx_layered: Pass layer spec for core growth algo
* scx_rusty: init domains when calculating averages
* scx_layered: Add random layer growth algo by
* scx_layered: Add topology aware core growth selection
* scx_layered: Add stats for XNUMA/XLLC migrations
* scx_lavd: add a short circuit for the case of no turbo core
* scx_lavd: boost the latency-criticality of kernel threads
* scx_bpfland: refine idle CPU selection logic
* scx_layered: add round robin growth strategy
* scxstats_to_openmetrics: fix format string
* scx_rustland_core: improve idle CPU selection API and logic
* scx_rustland_core: prevent CI failures
* scx_rustland_core: Access the returned value of saturating_sub()
* scx_layered: Refactor match_layer() and implement helper function to access
cpumask within bpf_cpumask
* scx_bpfland: Remove the usage of cast_mask in bpfland_enqueue
* scx_lavd: consider waker's CPU when ops.select_cpu()
* scx_layered: Add a hi fallback dsq per llc
* scx_layered: Add Big/Little core growth algos
* scx_layered: Add topology aware preemption
* scx_lavd: find a victim cpu for preemption within task's compute domain
* scx_layered: Add waker stats per layer
* scx_layered: Cleanup dump format
* scx_lavd: propagate waker's latency criticality to its wakee
* scx_layered: Restrict preemption to layer cpumask
* scx_layered: Make layered idle CPU selection topology aware
* scx_rustland_core: fix mm stall
* scx_loader: Add initial automatic scheduler switching via --monitor-no-dbus
* scx_layered: Add layer growth algo to layer bpf config
* Sync from kernel and re-enable scx_flatcg and scx_pair
* scx_layered: Fix idle core selection
* scx_loader: Add systemd service and on-DBUS launch
* scx_lavd: more accurately determine the performance criticality threshold
* scx_lavd: fix two potential bugs
* scx_layered: Fix cache initialization
* Revert "scx_rustland_core: prevent deadlock with per-CPU DSQs and CPU
* scx_bpfland small fixes and improvements
* scx_stats: Implement macro #stat_doc to autogen doc from stat desc
* scx_lavd: Fix typo
/etc/default/scx /usr/bin/scx_bpfland /usr/bin/scx_central /usr/bin/scx_flash /usr/bin/scx_flatcg /usr/bin/scx_lavd /usr/bin/scx_layered /usr/bin/scx_loader /usr/bin/scx_nest /usr/bin/scx_pair /usr/bin/scx_qmap /usr/bin/scx_rlfifo /usr/bin/scx_rustland /usr/bin/scx_rusty /usr/bin/scx_sdt /usr/bin/scx_simple /usr/bin/scx_userland /usr/lib/systemd/system/scx.service /usr/share/doc/packages/scx /usr/share/doc/packages/scx/README.md /usr/share/licenses/scx /usr/share/licenses/scx/LICENSE
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