Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
37 lines
829 B
C
37 lines
829 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (c) 2024 Meta Platforms, Inc. and affiliates.
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*/
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#include <scx/common.bpf.h>
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char _license[] SEC("license") = "GPL";
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u64 vtime_test;
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void BPF_STRUCT_OPS(maybe_null_running, struct task_struct *p)
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{}
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void BPF_STRUCT_OPS(maybe_null_success_dispatch, s32 cpu, struct task_struct *p)
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{
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if (p != NULL)
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vtime_test = p->scx.dsq_vtime;
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}
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bool BPF_STRUCT_OPS(maybe_null_success_yield, struct task_struct *from,
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struct task_struct *to)
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{
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if (to)
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bpf_printk("Yielding to %s[%d]", to->comm, to->pid);
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return false;
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}
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SEC(".struct_ops.link")
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struct sched_ext_ops maybe_null_success = {
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.dispatch = (void *) maybe_null_success_dispatch,
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.yield = (void *) maybe_null_success_yield,
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.enable = (void *) maybe_null_running,
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.name = "minimal",
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};
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