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# Copyright (C) 2017 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.
import("../../../gn/perfetto.gni")
import("../../../gn/proto_library.gni")
# Trace protos are split logically into two groups:
# 1. Full set of protos: :zero (for writers) and :lite (for readers).
# 2. Minimal set: :minimal_zero, :minimal_lite. These are mainly for chrome, to
# avoid bloating binary size by pulling unnecessary protos.
#
# In practice, however, we need to split them in disjoint targets (minmal and
# non-minimal) and then use a group() target for the full protos. This is
# because build systems don't like two targets having genrules for the same
# .proto files.
# By default add new protos here.
proto_sources_non_minimal = [
"trace_packet_defaults.proto",
"test_event.proto",
"trace_packet.proto",
"trace.proto",
]
proto_sources_minimal = [
"clock_snapshot.proto",
"trigger.proto",
"system_info.proto",
]
# Most targets should either depend on :zero (writers) / :lite (readers)
# or ":minimal_zero" / :minimal_lite (mostly for chrome).
# The full set of protozero-generated sources.
group("zero") {
public_deps = [
":minimal_zero",
":non_minimal_zero",
]
}
# The full set of libprotobuf-generated sources.
group("lite") {
public_deps = [
":minimal_lite",
":non_minimal_lite",
]
}
# This is only for tests because bloats binary size.
group("cpp") {
testonly = true
public_deps = [
":minimal_cpp",
":non_minimal_cpp",
]
}
perfetto_proto_library("non_minimal_@TYPE@") {
proto_generators = [
"cpp",
"lite",
"zero",
]
deps = [
":minimal_@TYPE@",
"../config:@TYPE@",
"android:@TYPE@",
"chrome:@TYPE@",
"filesystem:@TYPE@",
"ftrace:@TYPE@",
"gpu:@TYPE@",
"interned_data:@TYPE@",
"perfetto:@TYPE@",
"power:@TYPE@",
"profiling:@TYPE@",
"ps:@TYPE@",
"sys_stats:@TYPE@",
"system_info:@TYPE@",
"track_event:@TYPE@",
]
sources = proto_sources_non_minimal
}
perfetto_proto_library("minimal_@TYPE@") {
deps = [ "../config:@TYPE@" ]
sources = proto_sources_minimal
}
# This target is not used in the tree and is built only to guarantee that the
# autogenerated merged proto has a valid syntax.
perfetto_proto_library("merged_trace") {
proto_generators = [ "lite" ]
sources = [ "perfetto_trace.proto" ]
}
if (perfetto_build_standalone) {
perfetto_proto_library("descriptor") {
proto_generators = [ "descriptor" ]
generate_descriptor = "trace.descriptor"
sources = [ "trace.proto" ]
}
}
# This target exports perfetto trace protos allowing both host and device
# targets to implement custom parsers based on our protos.
static_library("perfetto_trace_protos") {
complete_static_lib = true
deps = [ ":lite" ]
}
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