Index: remoting/host/process_stats_util.cc |
diff --git a/remoting/host/process_stats_util.cc b/remoting/host/process_stats_util.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..b87402fdff5c730d4764a0827a01c2a83d6abfc3 |
--- /dev/null |
+++ b/remoting/host/process_stats_util.cc |
@@ -0,0 +1,56 @@ |
+// Copyright 2017 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#include "remoting/host/process_stats_util.h" |
+ |
+#include <stdint.h> |
+ |
+#include <string> |
+#include <utility> |
+ |
+namespace remoting { |
+ |
+bool IsEmptyProcessResourceUsage(const protocol::ProcessResourceUsage& usage) { |
+ return !usage.has_process_name() && !usage.has_processor_usage() && |
+ !usage.has_working_set_size() && !usage.has_pagefile_size(); |
+} |
+ |
+protocol::AggregatedProcessResourceUsage AggregateProcessResourceUsage( |
+ const std::vector<protocol::ProcessResourceUsage>& usages) { |
+ if (usages.empty()) { |
+ return protocol::AggregatedProcessResourceUsage(); |
+ } |
+ |
+ if (usages.size() == 1) { |
+ const protocol::ProcessResourceUsage& usage = usages[0]; |
+ protocol::AggregatedProcessResourceUsage aggregated; |
+ aggregated.set_name(usage.process_name()); |
+ aggregated.set_processor_usage(usage.processor_usage()); |
+ aggregated.set_working_set_size(usage.working_set_size()); |
+ aggregated.set_pagefile_size(usage.pagefile_size()); |
+ return aggregated; |
+ } |
+ |
+ std::string name = "aggregate { "; |
+ double processor_usage = 0; |
+ uint64_t working_set_size = 0; |
+ uint64_t pagefile_size = 0; |
+ protocol::AggregatedProcessResourceUsage aggregated; |
+ for (const auto& usage : usages) { |
+ name.append(usage.process_name()).append(", "); |
+ processor_usage += usage.processor_usage(); |
+ working_set_size += usage.working_set_size(); |
+ pagefile_size += usage.pagefile_size(); |
+ *aggregated.add_usages() = usage; |
+ } |
+ name += " }"; |
+ aggregated.set_name(std::move(name)); |
+ aggregated.set_processor_usage(processor_usage); |
+ aggregated.set_working_set_size(working_set_size); |
+ aggregated.set_pagefile_size(pagefile_size); |
+ |
+ return aggregated; |
+} |
+ |
+} // namespace remoting |