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57 lines
2.0 KiB
Plaintext
57 lines
2.0 KiB
Plaintext
// Copyright 2017 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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module profiling.mojom;
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import "chrome/common/profiling/profiling_client.mojom";
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import "mojo/common/file.mojom";
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import "mojo/common/process_id.mojom";
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import "mojo/common/values.mojom";
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struct SharedBufferWithSize {
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handle<shared_buffer> buffer;
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uint32 size;
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mojo.common.mojom.ProcessId pid;
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};
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// These values are persisted to logs. Entries should not be renumbered and
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// numeric values should never be reused.
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enum ProcessType {
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OTHER = 0,
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BROWSER = 1,
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RENDERER = 2,
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GPU = 3,
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LAST = GPU
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};
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// This interface is how the browser process sends commands to the profiling
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// process.
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interface ProfilingService {
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// Adds a new profiling client.
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//
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// The "client" interface will be for the instrumented process. It allows the
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// profiling process to talk to the new process.
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//
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// Both ends of a platform-specific pipe to read memlog trace data from is
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// passed in. The sender end will be forwarded to the client process.
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AddProfilingClient(mojo.common.mojom.ProcessId pid,
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ProfilingClient client,
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handle memlog_pipe_sender,
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handle memlog_pipe_receiver,
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ProcessType process_type);
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// Dumps the memory log of the process with the given |pid| into
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// |output_file|. |metadata| is a dictionary that should be added to the trace
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// under the "metadata" key.
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DumpProcess(mojo.common.mojom.ProcessId pid, handle output_file,
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mojo.common.mojom.DictionaryValue metadata) => (bool result);
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// Dumps the memory log of all profiled processes into shared buffers. The
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// contents of each shared buffer is a JSON string compatible with
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// TRACE_EVENT* macros. Processes that fail to dump will be omitted from
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// |buffers|.
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DumpProcessesForTracing() =>
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(array<SharedBufferWithSize> buffers);
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};
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