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The C based gRPC (C++, Python, Ruby, Objective-C, PHP, C#)
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64 lines
2.3 KiB
64 lines
2.3 KiB
// |
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// |
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// Copyright 2015 gRPC authors. |
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// |
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// Licensed under the Apache License, Version 2.0 (the "License"); |
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// you may not use this file except in compliance with the License. |
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// You may obtain a copy of the License at |
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// |
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// http://www.apache.org/licenses/LICENSE-2.0 |
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// |
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// Unless required by applicable law or agreed to in writing, software |
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// distributed under the License is distributed on an "AS IS" BASIS, |
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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// See the License for the specific language governing permissions and |
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// limitations under the License. |
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// |
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// |
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#ifndef GRPC_TEST_CORE_TEST_UTIL_HISTOGRAM_H |
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#define GRPC_TEST_CORE_TEST_UTIL_HISTOGRAM_H |
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#include <stddef.h> |
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#include <stdint.h> |
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#include <grpc/support/port_platform.h> |
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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typedef struct grpc_histogram grpc_histogram; |
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grpc_histogram* grpc_histogram_create(double resolution, |
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double max_bucket_start); |
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void grpc_histogram_destroy(grpc_histogram* h); |
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void grpc_histogram_add(grpc_histogram* h, double x); |
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/// The following merges the second histogram into the first. It only works |
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/// if they have the same buckets and resolution. Returns 0 on failure, 1 |
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/// on success |
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int grpc_histogram_merge(grpc_histogram* dst, const grpc_histogram* src); |
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double grpc_histogram_percentile(grpc_histogram* histogram, double percentile); |
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double grpc_histogram_mean(grpc_histogram* histogram); |
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double grpc_histogram_stddev(grpc_histogram* histogram); |
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double grpc_histogram_variance(grpc_histogram* histogram); |
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double grpc_histogram_maximum(grpc_histogram* histogram); |
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double grpc_histogram_minimum(grpc_histogram* histogram); |
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double grpc_histogram_count(grpc_histogram* histogram); |
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double grpc_histogram_sum(grpc_histogram* histogram); |
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double grpc_histogram_sum_of_squares(grpc_histogram* histogram); |
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const uint32_t* grpc_histogram_get_contents(grpc_histogram* histogram, |
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size_t* count); |
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void grpc_histogram_merge_contents(grpc_histogram* histogram, |
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const uint32_t* data, size_t data_count, |
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double min_seen, double max_seen, double sum, |
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double sum_of_squares, double count); |
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#ifdef __cplusplus |
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} |
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#endif |
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#endif // GRPC_TEST_CORE_TEST_UTIL_HISTOGRAM_H
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