naiveproxy/components/metrics/leak_detector/leak_detector.mojom
2018-01-29 00:30:36 +08:00

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// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
module metrics.mojom;
struct LeakDetectorParams {
float sampling_rate;
uint32 max_stack_depth;
uint64 analysis_interval_bytes;
uint32 size_suspicion_threshold;
uint32 call_stack_suspicion_threshold;
};
struct AllocationBreakdown {
array<uint32> counts_by_size;
uint32 count_for_call_stack;
};
struct MemoryLeakReport {
uint32 size_bytes;
array<uint64> call_stack;
uint32 num_rising_intervals;
uint32 num_allocs_increase;
array<AllocationBreakdown> alloc_breakdown_history;
};
// Provides a remote interface for enabling LeakDetector on remote processes.
interface LeakDetector {
// Returns a LeakDetectorParams struct. Used to indicate to the remote process
// what parameters to use when initializing LeakDetector. Can also return
// |params.sampling_rate| == 0 to indicate that LeakDetector should not be
// initialized on a particular process.
GetParams() => (LeakDetectorParams params);
// When a remote process running LeakDetector gets some leak reports, it
// should call this function to return the leak reports back to the main
// process that implements this function. The reports should be sent back as
// an array of serialized MemoryLeakReportProtos.
SendLeakReports(array<MemoryLeakReport> reports);
};