45 lines
1.6 KiB
Protocol Buffer
45 lines
1.6 KiB
Protocol Buffer
// Copyright 2014 The Chromium Authors
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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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syntax = "proto2";
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option optimize_for = LITE_RUNTIME;
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option java_package = "org.chromium.components.metrics";
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option java_outer_classname = "HistogramEventProtos";
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package metrics;
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// Histogram-collected metrics.
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// Next tag: 4
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message HistogramEventProto {
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// The name of the histogram, hashed.
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optional fixed64 name_hash = 1;
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// The sum of all the sample values.
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// Together with the total count of the sample values, this allows us to
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// compute the average value. The count of all sample values is just the sum
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// of the counts of all the buckets. As of M51, when the value of this field
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// would be 0, the field will be omitted instead.
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optional int64 sum = 2;
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// The per-bucket data.
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// Next tag: 5
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message Bucket {
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// Each bucket's range is bounded by min <= x < max.
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// It is valid to omit one of these two fields in a bucket, but not both.
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// If the min field is omitted, its value is assumed to be equal to max - 1.
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// If the max field is omitted, its value is assumed to be equal to the next
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// bucket's min value (possibly computed per above). The last bucket in a
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// histogram should always include the max field.
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optional int64 min = 1;
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optional int64 max = 2;
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// The number of entries in this bucket. As of M51, when the value of this
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// field would be 1, the field will be omitted instead.
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optional int64 count = 4 [default = 1];
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}
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repeated Bucket bucket = 3;
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}
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