zircon/system/fidl/fuchsia-scheduler/profile.fidl

// Copyright 2019 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

library fuchsia.scheduler;

using zx;

// Corresponds to zx_cpu_set_t.
struct CpuSet {
    array<uint64>:8 mask;
};

[Discoverable, Layout = "Simple"]
protocol ProfileProvider {
    /// Obtain a profile handle.
    GetProfile(uint32 priority, string:64 name) -> (zx.status status, handle<profile>? profile);

    /// Obtain a deadline profile handle.
    GetDeadlineProfile(uint64 capacity, uint64 deadline, uint64 period, string:64 name)
        -> (zx.status status, handle<profile>? profile);

    // Obtain a handle for a profile that sets CPU affinity.
    GetCpuAffinityProfile(CpuSet cpu_mask) -> (zx.status status, handle<profile>? profile);
};