diff options
Diffstat (limited to 'simpleperf/branch_list.proto')
-rw-r--r-- | simpleperf/branch_list.proto | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/simpleperf/branch_list.proto b/simpleperf/branch_list.proto new file mode 100644 index 00000000..6d6bfb17 --- /dev/null +++ b/simpleperf/branch_list.proto @@ -0,0 +1,96 @@ +/* + * Copyright (C) 2020 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +// The branch list file format is generated by the inject command. It contains +// a single BranchList message. + +syntax = "proto3"; + +package simpleperf.proto; + +message BranchList { + // Used to identify format in generated proto files. + // Should always be "simpleperf:EtmBranchList". + string magic = 1; + repeated ETMBinary etm_data = 2; + LBRData lbr_data = 3; +} + +message ETMBinary { + string path = 1; + string build_id = 2; + + message Address { + // vaddr in binary, instr addr before the first branch + uint64 addr = 1; + + message Branch { + // Each bit represents a branch: 0 for not branch, 1 for branch. + // Bit 0 comes first, bit 7 comes last. + bytes branch = 1; + uint32 branch_size = 2; + uint64 count = 3; + } + + repeated Branch branches = 2; + } + + repeated Address addrs = 3; + + enum BinaryType { + ELF_FILE = 0; + KERNEL = 1; + KERNEL_MODULE = 2; + } + BinaryType type = 4; + + message KernelBinaryInfo { + // kernel_start_addr is used to convert kernel ip address to vaddr in vmlinux. + // If it is zero, the Address in KERNEL binary has been converted to vaddr. Otherwise, + // the Address in KERNEL binary is still ip address, and need to be converted later. + uint64 kernel_start_addr = 1; + } + + KernelBinaryInfo kernel_info = 5; +} + +message LBRData { + repeated Sample samples = 1; + repeated Binary binaries = 2; + + message Sample { + // If binary_id >= 1, it refers to LBRData.binaries[binary_id - 1]. Otherwise, it's invalid. + uint32 binary_id = 1; + uint64 vaddr_in_file = 2; + repeated Branch branches = 3; + + message Branch { + // If from_binary_id >= 1, it refers to LBRData.binaries[from_binary_id - 1]. Otherwise, it's + // invalid. + uint32 from_binary_id = 1; + // If to_binary_id >= 1, it refers to LBRData.binaries[to_binary_id - 1]. Otherwise, it's + // invalid. + uint32 to_binary_id = 2; + uint64 from_vaddr_in_file = 3; + uint64 to_vaddr_in_file = 4; + } + } + + message Binary { + string path = 1; + string build_id = 2; + } +} |