base/trace_event/process_memory_totals.cc

   1 // Copyright 2015 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "base/trace_event/process_memory_totals.h"
   6
   7 #include "base/format_macros.h"
   8 #include "base/strings/stringprintf.h"
   9 #include "base/trace_event/trace_event_argument.h"
  10
  11 namespace base {
  12 namespace trace_event {
  13
  14 ProcessMemoryTotals::ProcessMemoryTotals()
  15     : resident_set_bytes_(0),
  16       peak_resident_set_bytes_(0),
  17       is_peak_rss_resetable_(false) {
  18 }
  19
  20 void ProcessMemoryTotals::AsValueInto(TracedValue* value) const {
  21   value->SetString("resident_set_bytes",
  22                    StringPrintf("%" PRIx64, resident_set_bytes_));
  23   if (peak_resident_set_bytes_ > 0) {
  24     value->SetString("peak_resident_set_bytes",
  25                      StringPrintf("%" PRIx64, peak_resident_set_bytes_));
  26     value->SetBoolean("is_peak_rss_resetable", is_peak_rss_resetable_);
  27   }
  28 }
  29
  30 void ProcessMemoryTotals::Clear() {
  31   resident_set_bytes_ = 0;
  32 }
  33
  34 }  // namespace trace_event
  35 }  // namespace base