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This polls the suspend control service at a configurable interval and records what we get back. We intern wakelock metadata (name and type) and delta-ify the change to get smaller integers. Bug: 389077525 Change-Id: I10558d3a5de6bb5a2e5f8a69cea58eebaa4a88aa
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Simon MacMullen
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Jan 14, 2025
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25 changes: 25 additions & 0 deletions
25
protos/perfetto/config/android/kernel_wakelocks_config.proto
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,25 @@ | ||
| /* | ||
| * Copyright (C) 2025 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. | ||
| */ | ||
|
|
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| syntax = "proto2"; | ||
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| package perfetto.protos; | ||
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| // Data source that records kernel (and native) wakelock data. | ||
| message KernelWakelocksConfig { | ||
| // Record at this frequency. | ||
| optional uint32 poll_ms = 1; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,51 @@ | ||
| /* | ||
| * Copyright 2025 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. | ||
| */ | ||
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| syntax = "proto2"; | ||
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| package perfetto.protos; | ||
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| message KernelWakelockData { | ||
| message Wakelock { | ||
| enum Type { | ||
| WAKELOCK_TYPE_UNKNOWN = 0; | ||
| WAKELOCK_TYPE_KERNEL = 1; | ||
| WAKELOCK_TYPE_NATIVE = 2; | ||
| } | ||
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| // Interning id. | ||
| optional uint32 wakelock_id = 1; | ||
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| // Name of the wakelock. | ||
| optional string wakelock_name = 2; | ||
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| // Type of the wakelock. We record data about both true kernel wakelocks | ||
| // and "native" wakelocks which are taken in userspace but are more | ||
| // conceptually similar to kernel wakelocks than normal userspace ones. | ||
| optional Type wakelock_type = 3; | ||
| } | ||
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| // This is only emitted when we encounter new wakelocks. | ||
| repeated Wakelock wakelock = 1; | ||
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| // Interning id. | ||
| repeated uint32 wakelock_id = 2 [packed = true]; | ||
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| // If we interned the wakelock name in this packet, this is the total time | ||
| // the wakelock has been held. | ||
| // If not, it's a delta from the last time we saw it. | ||
| repeated uint64 time_held_millis = 3 [packed = true]; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
|
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@@ -34,6 +34,7 @@ if (perfetto_build_with_android) { | |
| "power_stats.cc", | ||
| "statsd.cc", | ||
| "statsd_logging.cc", | ||
| "suspend_control_service.cc", | ||
| "tracing_service_proxy.cc", | ||
| ] | ||
| libs = [ | ||
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@@ -42,6 +43,7 @@ if (perfetto_build_with_android) { | |
| "[email protected]", | ||
| "android.hardware.power.stats-V1-cpp", | ||
| "[email protected]", | ||
| "android.system.suspend.control.internal-cpp", | ||
| "statslog_perfetto", | ||
| "statssocket", | ||
| "cutils", | ||
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@@ -79,6 +81,7 @@ source_set("headers") { | |
| "power_stats.h", | ||
| "statsd.h", | ||
| "statsd_logging.h", | ||
| "suspend_control_service.h", | ||
| "tracing_service_proxy.h", | ||
| ] | ||
| } | ||
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