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scx, scx-loader: update to 1.1.0. #60019

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Merged
Duncaen merged 2 commits into from
Apr 18, 2026
+119 −6
Merged

scx, scx-loader: update to 1.1.0. #60019

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804b22d
scx: update to 1.1.0.
CosmicToast Apr 18, 2026
6e19552
scx-loader: update to 1.1.0.
CosmicToast Apr 18, 2026
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4 changes: 2 additions & 2 deletions srcpkgs/scx-loader/template
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Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
# Template file for 'scx-loader'
pkgname=scx-loader
version=1.0.20
version=1.1.0
revision=1
archs="x86_64* aarch64*"
conf_files=/etc/scx_loader.toml
Expand All @@ -11,7 +11,7 @@ maintainer="Chloé Vulquin <code@toast.bunkerlabs.net>"
license="GPL-2.0-only"
homepage="https://github.com/sched-ext/scx-loader"
distfiles="https://github.com/sched-ext/scx-loader/archive/refs/tags/v${version}.tar.gz"
checksum=24ba8ef16504b74f7d0c0e6d5da21d3dce146ece1e6cf5ba3f6f9085c6c383b3
checksum=14f23108f95126958c4c54be9a02f0d1cc746b0e8a0e6572123cdf48f6c98100

pre_build() {
# workaround the cc-rs mixing CFLAGS for host and target.
Expand Down
106 changes: 106 additions & 0 deletions srcpkgs/scx/patches/scx_cake-musl.patch
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Original file line number Diff line number Diff line change
@@ -0,0 +1,106 @@
From 20372b530839da46a9afbeb34dc37f8239ce6145 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Chlo=C3=A9=20Vulquin?= <code@toast.bunkerlabs.net>
Date: Mon, 13 Apr 2026 18:28:41 +0200
Subject: [PATCH] scx_cake: fix build error with musl

see also: 4503c7080acbaba6a005009b74a16a5b29e5c70c
---
scheds/rust/scx_cake/src/calibrate.rs | 60 +++++++++++++++++++++++++++
1 file changed, 60 insertions(+)

diff --git a/scheds/rust/scx_cake/src/calibrate.rs b/scheds/rust/scx_cake/src/calibrate.rs
index c2b459d92d..96c35d4687 100644
--- a/scheds/rust/scx_cake/src/calibrate.rs
+++ b/scheds/rust/scx_cake/src/calibrate.rs
@@ -84,7 +84,22 @@ fn measure_pair(cpu_a: usize, cpu_b: usize, config: &EtdConfig) -> Option<Vec<f6

// Set real-time priority to minimize preemption jitter
unsafe {
+ #[cfg(target_env = "gnu")]
let param = libc::sched_param { sched_priority: 99 };
+ #[cfg(target_env = "musl")]
+ let param = libc::sched_param {
+ sched_priority: 99,
+ sched_ss_low_priority: 0,
+ sched_ss_repl_period: libc::timespec {
+ tv_sec: 0,
+ tv_nsec: 0,
+ },
+ sched_ss_init_budget: libc::timespec {
+ tv_sec: 0,
+ tv_nsec: 0,
+ },
+ sched_ss_max_repl: 0,
+ };
libc::sched_setscheduler(0, libc::SCHED_FIFO, &param);
}

@@ -116,7 +131,22 @@ fn measure_pair(cpu_a: usize, cpu_b: usize, config: &EtdConfig) -> Option<Vec<f6

// Reset to normal priority before thread exit
unsafe {
+ #[cfg(target_env = "gnu")]
let param = libc::sched_param { sched_priority: 0 };
+ #[cfg(target_env = "musl")]
+ let param = libc::sched_param {
+ sched_priority: 0,
+ sched_ss_low_priority: 0,
+ sched_ss_repl_period: libc::timespec {
+ tv_sec: 0,
+ tv_nsec: 0,
+ },
+ sched_ss_init_budget: libc::timespec {
+ tv_sec: 0,
+ tv_nsec: 0,
+ },
+ sched_ss_max_repl: 0,
+ };
libc::sched_setscheduler(0, libc::SCHED_OTHER, &param);
}
});
@@ -130,7 +160,22 @@ fn measure_pair(cpu_a: usize, cpu_b: usize, config: &EtdConfig) -> Option<Vec<f6

// Set real-time priority to minimize preemption jitter
unsafe {
+ #[cfg(target_env = "gnu")]
let param = libc::sched_param { sched_priority: 99 };
+ #[cfg(target_env = "musl")]
+ let param = libc::sched_param {
+ sched_priority: 99,
+ sched_ss_low_priority: 0,
+ sched_ss_repl_period: libc::timespec {
+ tv_sec: 0,
+ tv_nsec: 0,
+ },
+ sched_ss_init_budget: libc::timespec {
+ tv_sec: 0,
+ tv_nsec: 0,
+ },
+ sched_ss_max_repl: 0,
+ };
libc::sched_setscheduler(0, libc::SCHED_FIFO, &param);
}

@@ -173,7 +218,22 @@ fn measure_pair(cpu_a: usize, cpu_b: usize, config: &EtdConfig) -> Option<Vec<f6

// Reset to normal priority before thread exit
unsafe {
+ #[cfg(target_env = "gnu")]
let param = libc::sched_param { sched_priority: 0 };
+ #[cfg(target_env = "musl")]
+ let param = libc::sched_param {
+ sched_priority: 0,
+ sched_ss_low_priority: 0,
+ sched_ss_repl_period: libc::timespec {
+ tv_sec: 0,
+ tv_nsec: 0,
+ },
+ sched_ss_init_budget: libc::timespec {
+ tv_sec: 0,
+ tv_nsec: 0,
+ },
+ sched_ss_max_repl: 0,
+ };
libc::sched_setscheduler(0, libc::SCHED_OTHER, &param);
}

15 changes: 11 additions & 4 deletions srcpkgs/scx/template
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Original file line number Diff line number Diff line change
@@ -1,20 +1,27 @@
# Template file for 'scx'
pkgname=scx
version=1.0.20
version=1.1.0
revision=1
archs="x86_64* aarch64*"
build_style=cargo
# fails because it tries to read procfs dynamically
# test_thread_operations: tries to read procfs dynamically
# cpuset tests are odd on my system, I'm planning to investigate them later
# with bwrap containment even more fail
make_check_args="-- --skip test_thread_operations"
_skip_tests="test_thread_operations
test_borrowable_cpumasks_respects_cpuset
test_cpuset_parsing_from_file
test_deficit_all_cells_exceed_target
test_symmetric_pairwise_overlap_produces_equal_cells
test_to_cpulist_roundtrip"
make_check_args="-- --skip ${_skip_tests// / --skip }"
hostmakedepends="clang pkg-config elfutils-devel libseccomp-devel"
makedepends="libbpf-devel zlib-devel libzstd-devel libseccomp-devel"
short_desc="Sched_ext schedulers and tools"
maintainer="Chloé Vulquin <code@toast.bunkerlabs.net>"
license="GPL-2.0-only"
homepage="https://github.com/sched-ext/scx"
distfiles="https://github.com/sched-ext/scx/archive/refs/tags/v${version}.tar.gz"
checksum=d9c6b3230915dafe21556da28c6ef2a11f272770f12912842ae1ad23b54d963e
checksum=80ce590601780013cdd9ad44b1338475649a1b69358c65c4a8066a34efc34fc1

pre_build() {
# workaround the cc-rs mixing CFLAGS for host and target.
Expand Down