Lines Matching +full:build +full:- +full:kotlin +full:- +full:linux

2 *This page provides a birds-eye view of performance analysis.
17 complicated, having a lot of components and a web of cross-interactions.
21 **Tracing** and **profiling** are two such widely-used techniques for
22 performance analysis. **Perfetto** is an open-source suite of tools, combining
31 They often include low-level kernel events like scheduler context switches,
68 Usually metrics map to high-level concepts. Examples of metrics include: CPU
75 right approach. In local and lab situations using **trace-based metrics**,
80 However, trace-based metrics are not a universal solution. When running in
87 traces. In these situations, traces should be used as a **root-causing** tool.
126 [magic-trace](https://github.com/janestreet/magic-trace)) but they output
136 application instrumentation and low-level kernel events together provide
158 [Record traces on Linux quickstart](/docs/quickstart/linux-tracing.md) is
161 [Record traces on Android quickstart](/docs/quickstart/android-tracing.md) will
165 The following sub-sections give an overview of various points worth considering
169 Perfetto integrates closely with the Linux kernel's
172 [scheduling](/docs/data-sources/cpu-scheduling.md),
173 [syscall](/docs/data-sources/syscalls.md) and
174 [CPU frequency](/docs/data-sources/cpu-freq.md) data source pages give
178 [this proto message](/docs/reference/trace-packet-proto.autogen#FtraceEvent).
181 ["generic"](/docs/reference/trace-packet-proto.autogen#GenericFtraceEvent)
182 events. These events are encoded as key-value pairs, similar to a JSON
187 [trace processor](/docs/analysis/trace-processor.md) cannot parse them
190 [here](/docs/contributing/common-tasks.md#add-a-new-ftrace-event) is a simple
194 Perfetto has a [C++ SDK](https://perfetto.dev/docs/instrumentation/tracing-sdk)
196 designed to be very low-overhead and is distributed in an "amalgamated" form
197 of a one `.cc` and one `.h` file, making it easy to integrate in any build
201 usage by Q2 2023. See [this doc](https://bit.ly/perfetto-c) for details (note
203 [this group](https://groups.google.com/forum/#!forum/perfetto-dev))
205 A Java/Kotlin SDK for Android (as a
219   generally makes Perfetto anywhere from 3-4x faster than atrace
222   natural representation of data-flow.
236 from the SDK, please reach out to the team directly. By mid-2023, significant
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