/*
 * Copyright (C) 2026 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

syntax = "proto2";
package perfetto.protos;

// Hardware interrupt (IRQ) ID-to-name mappings collected from
// /proc/interrupts at the start of a trace.
// Emitted by the linux.system_info data source when irq_names: true is set
// in SystemInfoConfig.
message InterruptInfo {
  message InterruptMapping {
    // Numeric IRQ identifier.
    optional uint32 irq_id = 1;
    // Human-readable name for the IRQ (e.g. "arch_timer", "arm-pmu").
    optional string name = 2;
  }

  // One entry per hardware IRQ found in /proc/interrupts.
  repeated InterruptMapping irq_mapping = 1;
}
