BUILD.gn - platform/external/perfetto - Gitiles

 # 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/test.gni")

 if (perfetto_build_standalone || perfetto_build_with_android) {
   import("//gn/standalone/android.gni")
 } else {
   import("//build/config/android/config.gni")
 }

 # For use_libfuzzer.
 if (perfetto_build_standalone || perfetto_build_with_android) {
   import("//gn/standalone/sanitizers/vars.gni")
 } else {
   import("//build/config/sanitizers/sanitizers.gni")
 }

 declare_args() {
   # Only for local development. When true the binaries (perfetto, traced, ...)
   # are monolithic and don't use a common shared library. This is mainly to
   # avoid LD_LIBRARY_PATH dances when testing locally.
   monolithic_binaries = false

   # libunwindstack requires API level 26 or newer.
   should_build_heapprofd =
       (perfetto_build_standalone || perfetto_build_with_android) && is_clang &&
       (is_linux || is_android) &&
       (!is_android || android_api_level >= 26 || perfetto_build_with_android)
 }
 assert(!monolithic_binaries || !perfetto_build_with_android)

 group("all") {
   testonly = true  # allow to build also test targets
   deps = [
     ":perfetto_unittests",
     "src/protozero/protoc_plugin($host_toolchain)",
   ]
   if (perfetto_build_standalone || perfetto_build_with_android) {
     deps += [
       ":perfetto",
       ":perfetto_integrationtests",
       ":traced",
       ":traced_probes",
       ":trigger_perfetto",
       "protos/perfetto/config:merged_config",  # For syntax-checking the proto.
       "protos/perfetto/trace:merged_trace",  # For syntax-checking the proto.
       "src/ipc/protoc_plugin:ipc_plugin($host_toolchain)",
       "tools:protoc_helper",
     ]
     if (perfetto_build_standalone) {
       deps += [
         ":perfetto_benchmarks",
         ":trace_processor",
         "src/profiling/memory:ring_buffer",
         "src/tracing:consumer_api_test",
         "test/configs",
         "tools/ftrace_proto_gen:ftrace_proto_gen",
         "tools/proto_to_cpp",
         "tools/trace_to_text",
         "tools/trace_to_text:trace_to_text_lite_host($host_toolchain)",
       ]
       if (is_linux || is_android) {
         deps += [ "tools/skippy" ]
         deps += [ "tools/busy_threads" ]
         deps += [ "tools/dump_ftrace_stats" ]
       }
       if (is_fuzzer) {
         deps += [ ":fuzzers" ]
       }
     }
   }
 }

 # TODO(primiano): temporary workaround to:
 # 1) Prevent that the UI gets build automatically when doing ninja -C out/xx .
 # 2) Avoid breaking the chrome build, that right now depends on "all".
 group("default") {
   testonly = true  # allow to build also test targets
   deps = [
     ":all",
   ]
 }

 if (perfetto_build_standalone) {
   group("ui") {
     deps = [
       "ui",
     ]
   }

   # The trace processor shell executable. An interactive shell that allows to
   # make queries on the trace using the terminal.
   group("trace_processor") {
     deps = [
       "src/trace_processor:trace_processor_shell",
     ]
   }
 }

 test("perfetto_unittests") {
   deps = [
     "gn:default_deps",
     "gn:gtest_main",
     "src/base:unittests",
     "src/protozero:unittests",
     "src/tracing:unittests",
   ]

   if (perfetto_build_standalone || perfetto_build_with_android) {
     deps += [
       "src/ipc:unittests",
       "src/perfetto_cmd:unittests",
       "src/profiling/memory:ring_buffer_unittests",
       "src/traced/probes:unittests",
       "src/traced/probes/filesystem:unittests",
       "src/traced/probes/ftrace:unittests",
       "src/traced/service:unittests",
       "tools/ftrace_proto_gen:unittests",
       "tools/sanitizers_unittests",
     ]
   }
   if (should_build_heapprofd) {
     # Restrict to clang, as libunwindstack and its dependencies is never
     # built using GCC in the Android tree.
     deps += [ "src/profiling/memory:unittests" ]
   }
   if (perfetto_build_standalone && !is_android) {
     deps += [
       "src/trace_processor:unittests",
       "src/trace_processor/metrics:unittests",
     ]
   }
 }

 if (perfetto_build_standalone || perfetto_build_with_android) {
   test("perfetto_integrationtests") {
     deps = [
       "gn:default_deps",
       "gn:gtest_main",
       "src/traced/probes/ftrace:integrationtests",
       "test:end_to_end_integrationtests",
     ]
     if (perfetto_build_standalone && !is_android) {
       deps += [ "src/trace_processor:integrationtests" ]
     }

     # TODO(fmayer): Fix in process daemons.
     if (should_build_heapprofd && is_android && !start_daemons_for_testing) {
       deps += [ "src/profiling/memory:end_to_end_tests" ]
     }
   }

   if (monolithic_binaries) {
     libperfetto_target_type = "source_set"
   } else {
     libperfetto_target_type = "shared_library"
   }

   target(libperfetto_target_type, "libperfetto") {
     deps = [
       "gn:default_deps",
       "src/traced/probes",
       "src/traced/service",
       "src/tracing:api",
     ]
   }

   # The unprivileged trace daemon that listens for Producer and Consumer
   # connections, handles the coordination of the tracing sessions and owns the
   # log buffers.
   executable("traced") {
     deps = [
       ":libperfetto",
       "gn:default_deps",
       "include/perfetto/traced",
     ]
     sources = [
       "src/traced/service/main.cc",
     ]
   }

   # The unprivileged daemon that is allowed to access tracefs (for ftrace).
   # Registers as a Producer on the traced daemon.
   executable("traced_probes") {
     deps = [
       ":libperfetto",
       "gn:default_deps",
       "include/perfetto/traced",
     ]
     sources = [
       "src/traced/probes/main.cc",
     ]
   }

   # The command line client for Perfetto. Allows to configure / start / stop
   # tracing, acting as a Consumer.
   executable("perfetto") {
     deps = [
       "gn:default_deps",
       "src/perfetto_cmd",
     ]
     sources = [
       "src/perfetto_cmd/main.cc",
     ]
   }

   # Tool to finalize long running traces.
   # This connects to traced as a producer and sends the triggers passed on the
   # commandline. This is a subset of what the perfetto binary can do but we
   # need a separate binary for programs that cannot (for good reason) use the
   # additional functionality (for example starting traces via consumer socket)
   # due to selinux rules.
   executable("trigger_perfetto") {
     deps = [
       "gn:default_deps",
       "src/perfetto_cmd:trigger_perfetto_cmd",
     ]
     sources = [
       "src/perfetto_cmd/trigger_perfetto_main.cc",
     ]
   }

   if (perfetto_build_with_android) {
     executable("trace_to_text") {
       testonly = true
       deps = [
         "gn:default_deps",
         "tools/trace_to_text:full",
       ]
     }

     # This target exports perfetto trace protos in the Android build system,
     # allowing both host and device targets to implement custom parsers based on
     # our protos.
     static_library("perfetto_trace_protos") {
       deps = [
         "protos/perfetto/trace:lite",
       ]
     }

     shared_library("libperfetto_android_internal") {
       deps = [
         "gn:default_deps",
         "src/android_internal",
       ]
     }
   }  # if (perfetto_build_with_android)
 }  # if (perfetto_build_standalone || perfetto_build_with_android)

 if (perfetto_build_with_embedder) {
   if (build_with_chromium) {
     libperfetto_target_type = "component"
   } else {
     libperfetto_target_type = "source_set"
   }
   target(libperfetto_target_type, "libperfetto") {
     public_configs = [ "gn:public_config" ]
     deps = [
       "src/tracing",
     ]
     configs -= [ "//build/config/compiler:chromium_code" ]
     configs += [ "//build/config/compiler:no_chromium_code" ]
     public_deps = [
       "include/perfetto/tracing/core",
       "protos/perfetto/trace:zero",
       "protos/perfetto/trace/chrome:zero",
       "protos/perfetto/trace/interned_data:zero",
       "protos/perfetto/trace/track_event:zero",
     ]
   }
 }

 if (perfetto_build_standalone) {
   executable("perfetto_benchmarks") {
     testonly = true
     deps = [
       "gn:default_deps",
       "src/traced/probes/ftrace:benchmarks",
       "src/tracing:tracing_benchmarks",
       "test:benchmark_main",
       "test:end_to_end_benchmarks",
     ]
   }

   group("fuzzers") {
     testonly = true
     deps = [
       "src/ipc:buffered_frame_deserializer_fuzzer",
       "src/profiling/memory:shared_ring_buffer_fuzzer",
       "src/profiling/memory:shared_ring_buffer_write_fuzzer",
       "src/profiling/memory:unwinding_fuzzer",
       "src/protozero:protozero_decoder_fuzzer",
       "src/trace_processor:trace_processor_fuzzer",
       "src/traced/probes/ftrace:cpu_reader_fuzzer",
       "test:end_to_end_shared_memory_fuzzer",
     ]
   }
 }

 # WARNING: this builds correctly only when using the generated Android.bp.
 #
 # This library gets loaded into (and executes in) arbitrary android processes.
 # Logging must be non-allocating. This is achieved by defining
 # PERFETTO_ANDROID_ASYNC_SAFE_LOG, which needs to be set for all perfetto code
 # being compiled for this library. When generating Android.bp, the |cflags|
 # entry on this target is sufficient (as all sources are flattened into a
 # single bp target). However this is not correctly reflected in the gn
 # structure (which is a tree of targets) as the dependencies would not pick
 # up the flag (and thus use the wrong logging macro).
 #
 # This is deemed acceptable as, at the time of writing, there is no interest in
 # building this library standalone.
 if (perfetto_build_with_android) {
   # TODO(fmayer): Investigate shared library for common pieces.
   shared_library("heapprofd_client") {
     configs -= [ "//gn/standalone:android_liblog" ]
     cflags = [ "-DPERFETTO_ANDROID_ASYNC_SAFE_LOG" ]
     deps = [
       "src/profiling/memory:malloc_hooks",
     ]
   }
 }

 if (should_build_heapprofd) {
   executable("heapprofd") {
     deps = [
       "gn:default_deps",
       "protos/perfetto/trace:zero",
       "src/base",
       "src/base:unix_socket",
       "src/profiling/memory:daemon",
       "src/profiling/memory:wire_protocol",
       "src/tracing:ipc",
     ]
     sources = [
       "src/profiling/memory/main.cc",
     ]
   }
 }
	# 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/test.gni")

	if (perfetto_build_standalone \|\| perfetto_build_with_android) {
	import("//gn/standalone/android.gni")
	} else {
	import("//build/config/android/config.gni")
	}

	# For use_libfuzzer.
	if (perfetto_build_standalone \|\| perfetto_build_with_android) {
	import("//gn/standalone/sanitizers/vars.gni")
	} else {
	import("//build/config/sanitizers/sanitizers.gni")
	}

	declare_args() {
	# Only for local development. When true the binaries (perfetto, traced, ...)
	# are monolithic and don't use a common shared library. This is mainly to
	# avoid LD_LIBRARY_PATH dances when testing locally.
	monolithic_binaries = false

	# libunwindstack requires API level 26 or newer.
	should_build_heapprofd =
	(perfetto_build_standalone \|\| perfetto_build_with_android) && is_clang &&
	(is_linux \|\| is_android) &&
	(!is_android \|\| android_api_level >= 26 \|\| perfetto_build_with_android)
	}
	assert(!monolithic_binaries \|\| !perfetto_build_with_android)

	group("all") {
	testonly = true # allow to build also test targets
	deps = [
	":perfetto_unittests",
	"src/protozero/protoc_plugin($host_toolchain)",
	]
	if (perfetto_build_standalone \|\| perfetto_build_with_android) {
	deps += [
	":perfetto",
	":perfetto_integrationtests",
	":traced",
	":traced_probes",
	":trigger_perfetto",
	"protos/perfetto/config:merged_config", # For syntax-checking the proto.
	"protos/perfetto/trace:merged_trace", # For syntax-checking the proto.
	"src/ipc/protoc_plugin:ipc_plugin($host_toolchain)",
	"tools:protoc_helper",
	]
	if (perfetto_build_standalone) {
	deps += [
	":perfetto_benchmarks",
	":trace_processor",
	"src/profiling/memory:ring_buffer",
	"src/tracing:consumer_api_test",
	"test/configs",
	"tools/ftrace_proto_gen:ftrace_proto_gen",
	"tools/proto_to_cpp",
	"tools/trace_to_text",
	"tools/trace_to_text:trace_to_text_lite_host($host_toolchain)",
	]
	if (is_linux \|\| is_android) {
	deps += [ "tools/skippy" ]
	deps += [ "tools/busy_threads" ]
	deps += [ "tools/dump_ftrace_stats" ]
	}
	if (is_fuzzer) {
	deps += [ ":fuzzers" ]
	}
	}
	}
	}

	# TODO(primiano): temporary workaround to:
	# 1) Prevent that the UI gets build automatically when doing ninja -C out/xx .
	# 2) Avoid breaking the chrome build, that right now depends on "all".
	group("default") {
	testonly = true # allow to build also test targets
	deps = [
	":all",
	]
	}

	if (perfetto_build_standalone) {
	group("ui") {
	deps = [
	"ui",
	]
	}

	# The trace processor shell executable. An interactive shell that allows to
	# make queries on the trace using the terminal.
	group("trace_processor") {
	deps = [
	"src/trace_processor:trace_processor_shell",
	]
	}
	}

	test("perfetto_unittests") {
	deps = [
	"gn:default_deps",
	"gn:gtest_main",
	"src/base:unittests",
	"src/protozero:unittests",
	"src/tracing:unittests",
	]

	if (perfetto_build_standalone \|\| perfetto_build_with_android) {
	deps += [
	"src/ipc:unittests",
	"src/perfetto_cmd:unittests",
	"src/profiling/memory:ring_buffer_unittests",
	"src/traced/probes:unittests",
	"src/traced/probes/filesystem:unittests",
	"src/traced/probes/ftrace:unittests",
	"src/traced/service:unittests",
	"tools/ftrace_proto_gen:unittests",
	"tools/sanitizers_unittests",
	]
	}
	if (should_build_heapprofd) {
	# Restrict to clang, as libunwindstack and its dependencies is never
	# built using GCC in the Android tree.
	deps += [ "src/profiling/memory:unittests" ]
	}
	if (perfetto_build_standalone && !is_android) {
	deps += [
	"src/trace_processor:unittests",
	"src/trace_processor/metrics:unittests",
	]
	}
	}

	if (perfetto_build_standalone \|\| perfetto_build_with_android) {
	test("perfetto_integrationtests") {
	deps = [
	"gn:default_deps",
	"gn:gtest_main",
	"src/traced/probes/ftrace:integrationtests",
	"test:end_to_end_integrationtests",
	]
	if (perfetto_build_standalone && !is_android) {
	deps += [ "src/trace_processor:integrationtests" ]
	}

	# TODO(fmayer): Fix in process daemons.
	if (should_build_heapprofd && is_android && !start_daemons_for_testing) {
	deps += [ "src/profiling/memory:end_to_end_tests" ]
	}
	}

	if (monolithic_binaries) {
	libperfetto_target_type = "source_set"
	} else {
	libperfetto_target_type = "shared_library"
	}

	target(libperfetto_target_type, "libperfetto") {
	deps = [
	"gn:default_deps",
	"src/traced/probes",
	"src/traced/service",
	"src/tracing:api",
	]
	}

	# The unprivileged trace daemon that listens for Producer and Consumer
	# connections, handles the coordination of the tracing sessions and owns the
	# log buffers.
	executable("traced") {
	deps = [
	":libperfetto",
	"gn:default_deps",
	"include/perfetto/traced",
	]
	sources = [
	"src/traced/service/main.cc",
	]
	}

	# The unprivileged daemon that is allowed to access tracefs (for ftrace).
	# Registers as a Producer on the traced daemon.
	executable("traced_probes") {
	deps = [
	":libperfetto",
	"gn:default_deps",
	"include/perfetto/traced",
	]
	sources = [
	"src/traced/probes/main.cc",
	]
	}

	# The command line client for Perfetto. Allows to configure / start / stop
	# tracing, acting as a Consumer.
	executable("perfetto") {
	deps = [
	"gn:default_deps",
	"src/perfetto_cmd",
	]
	sources = [
	"src/perfetto_cmd/main.cc",
	]
	}

	# Tool to finalize long running traces.
	# This connects to traced as a producer and sends the triggers passed on the
	# commandline. This is a subset of what the perfetto binary can do but we
	# need a separate binary for programs that cannot (for good reason) use the
	# additional functionality (for example starting traces via consumer socket)
	# due to selinux rules.
	executable("trigger_perfetto") {
	deps = [
	"gn:default_deps",
	"src/perfetto_cmd:trigger_perfetto_cmd",
	]
	sources = [
	"src/perfetto_cmd/trigger_perfetto_main.cc",
	]
	}

	if (perfetto_build_with_android) {
	executable("trace_to_text") {
	testonly = true
	deps = [
	"gn:default_deps",
	"tools/trace_to_text:full",
	]
	}

	# This target exports perfetto trace protos in the Android build system,
	# allowing both host and device targets to implement custom parsers based on
	# our protos.
	static_library("perfetto_trace_protos") {
	deps = [
	"protos/perfetto/trace:lite",
	]
	}

	shared_library("libperfetto_android_internal") {
	deps = [
	"gn:default_deps",
	"src/android_internal",
	]
	}
	} # if (perfetto_build_with_android)
	} # if (perfetto_build_standalone \|\| perfetto_build_with_android)

	if (perfetto_build_with_embedder) {
	if (build_with_chromium) {
	libperfetto_target_type = "component"
	} else {
	libperfetto_target_type = "source_set"
	}
	target(libperfetto_target_type, "libperfetto") {
	public_configs = [ "gn:public_config" ]
	deps = [
	"src/tracing",
	]
	configs -= [ "//build/config/compiler:chromium_code" ]
	configs += [ "//build/config/compiler:no_chromium_code" ]
	public_deps = [
	"include/perfetto/tracing/core",
	"protos/perfetto/trace:zero",
	"protos/perfetto/trace/chrome:zero",
	"protos/perfetto/trace/interned_data:zero",
	"protos/perfetto/trace/track_event:zero",
	]
	}
	}

	if (perfetto_build_standalone) {
	executable("perfetto_benchmarks") {
	testonly = true
	deps = [
	"gn:default_deps",
	"src/traced/probes/ftrace:benchmarks",
	"src/tracing:tracing_benchmarks",
	"test:benchmark_main",
	"test:end_to_end_benchmarks",
	]
	}

	group("fuzzers") {
	testonly = true
	deps = [
	"src/ipc:buffered_frame_deserializer_fuzzer",
	"src/profiling/memory:shared_ring_buffer_fuzzer",
	"src/profiling/memory:shared_ring_buffer_write_fuzzer",
	"src/profiling/memory:unwinding_fuzzer",
	"src/protozero:protozero_decoder_fuzzer",
	"src/trace_processor:trace_processor_fuzzer",
	"src/traced/probes/ftrace:cpu_reader_fuzzer",
	"test:end_to_end_shared_memory_fuzzer",
	]
	}
	}

	# WARNING: this builds correctly only when using the generated Android.bp.
	#
	# This library gets loaded into (and executes in) arbitrary android processes.
	# Logging must be non-allocating. This is achieved by defining
	# PERFETTO_ANDROID_ASYNC_SAFE_LOG, which needs to be set for all perfetto code
	# being compiled for this library. When generating Android.bp, the \|cflags\|
	# entry on this target is sufficient (as all sources are flattened into a
	# single bp target). However this is not correctly reflected in the gn
	# structure (which is a tree of targets) as the dependencies would not pick
	# up the flag (and thus use the wrong logging macro).
	#
	# This is deemed acceptable as, at the time of writing, there is no interest in
	# building this library standalone.
	if (perfetto_build_with_android) {
	# TODO(fmayer): Investigate shared library for common pieces.
	shared_library("heapprofd_client") {
	configs -= [ "//gn/standalone:android_liblog" ]
	cflags = [ "-DPERFETTO_ANDROID_ASYNC_SAFE_LOG" ]
	deps = [
	"src/profiling/memory:malloc_hooks",
	]
	}
	}

	if (should_build_heapprofd) {
	executable("heapprofd") {
	deps = [
	"gn:default_deps",
	"protos/perfetto/trace:zero",
	"src/base",
	"src/base:unix_socket",
	"src/profiling/memory:daemon",
	"src/profiling/memory:wire_protocol",
	"src/tracing:ipc",
	]
	sources = [
	"src/profiling/memory/main.cc",
	]
	}
	}