Make process-wrapper output execution statistics for executed commands.

For example, it now outputs resource usage statistics like the amount of user time and system time used.

RELNOTES: None
PiperOrigin-RevId: 177263221

2 files changed, 60 insertions, 0 deletions

diff --git a/src/main/protobuf/BUILD b/src/main/protobuf/BUILD
index 89afb792ee..d48de4388e 100644
--- a/src/main/protobuf/BUILD
+++ b/src/main/protobuf/BUILD
@@ -5,6 +5,13 @@ load("//tools/build_rules:utilities.bzl", "java_library_srcs")
 load("//third_party/protobuf/3.4.0:protobuf.bzl", "py_proto_library")
 load("//third_party/grpc:build_defs.bzl", "java_grpc_library")
 
+exports_files(
+    ["execution_statitics.proto"],
+    visibility = [
+        "//src/test/shell/integration:process_wrapper_test",
+    ],
+)
+
 FILES = [
     "action_cache",
     "android_deploy_info",
@@ -15,6 +22,7 @@ FILES = [
     "crosstool_config",
     "deps",
     "desugar_deps",
+    "execution_statistics",
     "extra_actions_base",
     "invocation_policy",
     "java_compilation",
@@ -114,6 +122,11 @@ java_library_srcs(
     deps = ["//third_party/pprof:profile_java_proto"],
 )
 
+cc_proto_library(
+    name = "execution_statistics_cc_proto",
+    deps = [":execution_statistics_proto"],
+)
+
 filegroup(
     name = "srcs",
     srcs = glob(["**"]),
diff --git a/src/main/protobuf/execution_statistics.proto b/src/main/protobuf/execution_statistics.proto
new file mode 100644
index 0000000000..86bfe35b03
--- /dev/null
+++ b/src/main/protobuf/execution_statistics.proto
@@ -0,0 +1,47 @@
+// Copyright 2017 The Bazel Authors. All rights reserved.
+//
+// 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.
+
+syntax = "proto3";
+
+package tools.protos;
+
+option java_package = "com.google.devtools.build.lib.shell";
+option java_outer_classname = "Protos";
+
+// Verbatim representation of the rusage structure returned by getrusage(2).
+// For further details on all these cryptic names, see that manual page.
+message ResourceUsage {
+  int64 utime_sec = 1;   // user CPU time used, seconds part
+  int64 utime_usec = 2;  // user CPU time used, microseconds part
+  int64 stime_sec = 3;   // system CPU time used, seconds part
+  int64 stime_usec = 4;  // system CPU time used, microseconds part
+  int64 maxrss = 5;      // maximum resident set size
+  int64 ixrss = 6;       // integral shared memory size
+  int64 idrss = 7;       // integral unshared data size
+  int64 isrss = 8;       // integral unshared stack size
+  int64 minflt = 9;      // page reclaims (soft page faults)
+  int64 majflt = 10;     // page faults (hard page faults)
+  int64 nswap = 11;      // swaps
+  int64 inblock = 12;    // block input operations
+  int64 oublock = 13;    // block output operations
+  int64 msgsnd = 14;     // IPC messages sent
+  int64 msgrcv = 15;     // IPC messages received
+  int64 nsignals = 16;   // signals received
+  int64 nvcsw = 17;      // voluntary context switches
+  int64 nivcsw = 18;     // involuntary context switches
+}
+
+message ExecutionStatistics {
+  ResourceUsage resource_usage = 1;
+}