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Author SHA1 Message Date
Pat Somaru
efabcfcdc3
Replace PID with Task Pointer in Rusty 
Replace PID with Task Pointer in Rusty

Fixes: #610
 2024-10-04 18:06:37 -04:00
Daniel Hodges
fdc5640635
Merge pull request #735 from hodgesds/layered-weights 
scx_layered: Add per layer weights
 2024-10-04 19:46:58 +00:00
Daniel Hodges
c56e60b86a scx_layered: Add better debug output of iter algo 
Signed-off-by: Daniel Hodges <hodges.daniel.scott@gmail.com>
 2024-10-04 11:36:36 -07:00
Daniel Hodges
e1241d6e52 scx_layered: Cleanup layer growth weight limits 
Signed-off-by: Daniel Hodges <hodges.daniel.scott@gmail.com>
 2024-10-04 11:16:58 -07:00
Daniel Hodges
17f9b3f4f3 scx_layered: Cleanup layer infeasible weight calc 
Cleanup the calculation of the infeasible weight to not use an
unneccesary collect.

Signed-off-by: Daniel Hodges <hodges.daniel.scott@gmail.com>
 2024-10-04 10:12:22 -07:00
Daniel Hodges
0476a10f83 scx_layered: Cleanup from code review 
Cleanup from code review.

Signed-off-by: Daniel Hodges <hodges.daniel.scott@gmail.com>
 2024-10-04 10:09:38 -07:00
Daniel Hodges
817e310a31 scx_layered: Add default dsq iter algo 
Signed-off-by: Daniel Hodges <hodges.daniel.scott@gmail.com>
 2024-10-04 09:58:26 -07:00
Daniel Hodges
7ee12091c3 scx_layered: Add DSQ iteration algo 
Add DSQ iteration algorithms.

Signed-off-by: Daniel Hodges <hodges.daniel.scott@gmail.com>
 2024-10-04 09:58:23 -07:00
Daniel Hodges
6929501aea scx_layered: Refactor stats variable names 
Signed-off-by: Daniel Hodges <hodges.daniel.scott@gmail.com>
 2024-10-04 09:56:37 -07:00
Daniel Hodges
f066580612 scx_layered: Use dcycle for infeasible weights 
Fix a bug to use duty cycle for infeasible weights calculations.

Signed-off-by: Daniel Hodges <hodges.daniel.scott@gmail.com>
 2024-10-04 09:56:37 -07:00
Daniel Hodges
c55d34c319 scx_layered: Cleanup unused metrics 
Signed-off-by: Daniel Hodges <hodges.daniel.scott@gmail.com>
 2024-10-04 09:56:37 -07:00
Daniel Hodges
c0c4e183f0 scx_layered: Cargo fmt 
Signed-off-by: Daniel Hodges <hodges.daniel.scott@gmail.com>
 2024-10-04 09:56:37 -07:00
Daniel Hodges
f3b3d4f19c scx_layered: Add weighted layer DSQ iteration 
Add a flag to control DSQ iteration across layers by layer weight. This
helps prevent starvation by iterating over layers with the lowest weight
first.

Signed-off-by: Daniel Hodges <hodges.daniel.scott@gmail.com>
 2024-10-04 09:56:37 -07:00
Daniel Hodges
bd75ac8dbf scx_layered: Add flags for growth and preemption 
Add two new flags `layer_preempt_weight_disable` and
`layer_growth_weight_disable` to disabled preemption and layer growth
when weighted layer load exceeds the configured threshold.

Signed-off-by: Daniel Hodges <hodges.daniel.scott@gmail.com>
 2024-10-04 09:56:37 -07:00
Daniel Hodges
e48e675cff scx_layered: Remove LoadLedger from stats 
Signed-off-by: Daniel Hodges <hodges.daniel.scott@gmail.com>
 2024-10-04 09:56:37 -07:00
Daniel Hodges
2518c99bf2 scx_layered: Refactor load calculation 
Signed-off-by: Daniel Hodges <hodges.daniel.scott@gmail.com>
 2024-10-04 09:56:37 -07:00
Daniel Hodges
54dbf35680 scx_layered: Add weights to userspace layer config 
Add weights to userspace layer config.

Signed-off-by: Daniel Hodges <hodges.daniel.scott@gmail.com>
 2024-10-04 09:56:37 -07:00
Daniel Hodges
07be9dcf59 scx_layered: Add stats for adjusted layer weights 
Add stats for infeasible weights adjusted layer stats.

Signed-off-by: Daniel Hodges <hodges.daniel.scott@gmail.com>
 2024-10-04 09:56:37 -07:00
Daniel Hodges
da38d69009 scx_layered: Add layer weights 
Add weights to layers and use the infeasible weights crate to properly
apply weights during contention to prevent starvation.

Signed-off-by: Daniel Hodges <hodges.daniel.scott@gmail.com>
 2024-10-04 09:56:37 -07:00
Daniel Hodges
0eb0a5c4fa
Merge pull request #737 from minosfuture/main 
scx_layered: Refactor topology algorithms to a separate module
 2024-10-04 16:50:39 +00:00
Ming Yang
d76036b7cb scx_layered: Add Reverse layer growth algo 
Add `LayerGrowthAlgo::Reverse` to be the reverse order of Linear.

Signed-off-by: Ming Yang <minos.future@gmail.com>
 2024-10-04 09:29:36 -07:00
Ming Yang
35d5c082d5 scx_layered: Break up layer_core_order function 
`layer_core_order` provided multiple core growth implementation

Break it up into smaller function. Also, attach the method to
LayerGrowthAlgo. And `LayerCoreOrderGenerator` is added to make future
growth algo extension easy.

Signed-off-by: Ming Yang <minos.future@gmail.com>
 2024-10-04 09:18:01 -07:00
Ming Yang
29308d4705 scx_layered: Move layer core growth logic to separate module 
Move layer core growth logic to separate module for further refactoring.

Signed-off-by: Ming Yang <minos.future@gmail.com>
 2024-10-04 08:51:11 -07:00
Daniel Hodges
8f0485b9b9
Merge pull request #732 from minosfuture/main 
scx_layered: Add per layer time slices to stats
 2024-10-04 12:06:30 +00:00
Ming Yang
658a75df73 scx_layered: Add per layer time slices to stats 
Quoting issue #720 description from @hodgesds:

> In `scx_layered` the time slice can be [configured per layer](https://github.com/sched-ext/scx/blob/main/scheds/rust/scx_layered/src/main.rs#L493).
> This should be added to the
> [`LayerStats`](https://github.com/sched-ext/scx/blob/main/scheds/rust/scx_layered/src/stats.rs#L51)
> for each layer. During stats
> [refresh](https://github.com/sched-ext/scx/blob/main/scheds/rust/scx_layered/src/main.rs#L852)
> read the time slice duration (from the bpf skel) to the layer and add it
> to the stats. Finally, update the
> [format](https://github.com/sched-ext/scx/blob/main/scheds/rust/scx_layered/src/stats.rs#L218)
> method for `LayerStats` to print the per layer time slices.

Signed-off-by: Ming Yang <minos.future@gmail.com>
 2024-10-03 20:56:03 -07:00
Tejun Heo
db0f83ce89
Merge pull request #731 from frelon/scx-rusty-single-dom-bug 
scx_rusty: fix single dom short-circuit
 2024-10-03 18:55:16 +00:00
Fredrik Lönnegren
4b290a1757 scx_rusty: fix single dom short-circuit 
Remove a short-circuit in cpu_to_dom_id that will return domain id 0 for
any input.

This fixes a crash of scx_rusty when running with a single domain and
any CPU is offline.

Signed-off-by: Fredrik Lönnegren <fredrik@frelon.se>
 2024-10-03 20:34:18 +02:00
likewhatevs
58fc3be5fc
Merge pull request #726 from likewhatevs/main 
Run integration tests against bpf-next kernel every 6 hrs.
 2024-10-03 12:25:18 +00:00
Pat Somaru
9d463a85e3
have bpf builds use separate cache 
have bpf kernel builds use separate cache
(to avoid cache mixups when cherry pick)
 2024-10-03 08:20:53 -04:00
likewhatevs
0d80ccf86b
Merge pull request #727 from likewhatevs/readme-update-2 
add link to generated docs in developer guide
 2024-10-03 12:16:57 +00:00
Pat Somaru
db70b4f011
add link to generated docs in developer guide 2024-10-02 22:29:20 -04:00
Pat Somaru
a715d20d92
update urls to point to bpf-next 2024-10-02 22:20:56 -04:00
Pat Somaru
5182682baf
remove lint step from bpf workflow 2024-10-02 21:27:45 -04:00
Pat Somaru
7e95e58e20
enable periodic build/test against bpf-next 
add a ci job to build and test against bpf-next
every 6 hours.
 2024-10-02 21:20:14 -04:00
Changwoo Min
b1070449b2
Merge pull request #714 from multics69/lavd-hotplug 
scx_lavd: support CPU hotplug correctly
 2024-10-03 07:35:25 +09:00
Tejun Heo
a835664e4e
Merge pull request #724 from sched-ext/htejun/release 
version: Cargo.lock update
 2024-10-02 21:19:00 +00:00
Tejun Heo
78682438a5 version: Cargo.lock update 2024-10-02 11:18:07 -10:00
Tejun Heo
0b4c8bcf4b
Merge pull request #722 from sched-ext/htejun/release 
v1.0.5
 2024-10-02 18:58:14 +00:00
Tejun Heo
7402895f4a version: v1.0.5 2024-10-02 08:34:57 -10:00
Tejun Heo
60c9ae7e7d version-tool.py: Ignore root Cargo.toml 
No need to process it and it confuses the script.
 2024-10-02 08:32:22 -10:00
Daniel Hodges
054352f172
Merge pull request #716 from vax-r/lavd_typo 
scx_lavd: Fix typo
 2024-10-02 13:21:15 +00:00
likewhatevs
cc26b988be
Merge pull request #717 from vax-r/rusty_cleanup 
scx_rusty: Delete unused function variable
 2024-10-02 09:01:25 -04:00
likewhatevs
6fc90340f8
Merge pull request #718 from parttimenerd/patch-1 
Mention wiki in the README
 2024-10-02 08:59:04 -04:00
Johannes Bechberger
1ab402b4c7
Update README.md 2024-10-02 12:41:50 +02:00
I Hsin Cheng
3055716382 scx_rusty: Delete unused function variable 
"struct task_struct *p" isn't used within the function
"task_load_adj()". Delete the function parameter for cleaner code.

Signed-off-by: I Hsin Cheng <richard120310@gmail.com>
 2024-10-02 17:49:13 +08:00
I Hsin Cheng
7fbef2aa0b scx_lavd: Fix typo 
Fix "alreay" to "already".

Signed-off-by: I Hsin Cheng <richard120310@gmail.com>
 2024-10-02 17:39:10 +08:00
Changwoo Min
770a59f69d scx_lavd: support CPU hotplug correctly 
Use scx_utils::NR_CPU_IDS to iterate whole CPUs and separately count the
number of online CPUs to support CPU hotplug correctly.

Signed-off-by: Changwoo Min <changwoo@igalia.com>
 2024-10-02 14:19:18 +09:00
Changwoo Min
fb7bc0a850 scx_lavd: fix incorrect preemtability test 
Signed-off-by: Changwoo Min <changwoo@igalia.com>
 2024-10-02 13:24:43 +09:00
Daniel Hodges
073984fafb
Merge pull request #712 from minosfuture/main 
Add #stat_doc attribute macro to Stats structs
 2024-10-01 12:28:51 +00:00
Ming Yang
445743487a Add #stat_doc attribute macro to Stats struct 
`#stat_doc` extends the document from stat desc property.

Add this attribute macro to the remaining Stats structs.

Signed-off-by: Ming Yang <minos.future@gmail.com>
 2024-09-30 22:12:11 -07:00