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Diffstat (limited to 'src/google/protobuf/compiler/profile.proto')
-rw-r--r-- | src/google/protobuf/compiler/profile.proto | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/src/google/protobuf/compiler/profile.proto b/src/google/protobuf/compiler/profile.proto new file mode 100644 index 00000000..09ebe091 --- /dev/null +++ b/src/google/protobuf/compiler/profile.proto @@ -0,0 +1,68 @@ +// Protocol Buffers - Google's data interchange format +// Copyright 2008 Google Inc. All rights reserved. +// https://developers.google.com/protocol-buffers/ +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// Author: seongkim@google.com (Seong Beom Kim) +// +// protoc (Protocol Compiler) can generate more efficient code +// if it knows how a workload accesses fields of a message; +// e.g. some much more frequently than others. +// +// Protos defined here describe the access information per message +// and per field. Note that one can use any methods to collect +// the access patterns like CPU profiling, instrumented build, etc. + +syntax = "proto2"; + +package google.protobuf.compiler; + +// To convey the access pattern of a field, it classifies +// the type of the accessor methods into getters, setters and +// configs. Getters and setters read and write the field +// respectively and other operations like checking if the field +// exists are considered as configs. +message FieldAccessInfo { + optional string name = 1; + optional uint64 getters_count = 2; + optional uint64 setters_count = 3; + optional uint64 configs_count = 4; +} + +// "count" correlates with how many samples an access info has +// for a message. High "count" means more confident optimization +// based on the info. +message MessageAccessInfo { + optional string name = 1; + optional uint64 count = 2; + repeated FieldAccessInfo field = 3; +} + +message AccessInfo { + repeated MessageAccessInfo message = 1; +} |