This is the O3D source tree's initial commit to the Chromium tree. It

is not built or referenced at all by the chrome build yet, and doesn't 
yet build in it's new home.  We'll change that shortly.

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@17035 0039d316-1c4b-4281-b951-d872f2087c98

10 files changed, 783 insertions, 0 deletions

diff --git a/o3d/statsreport/common/build.scons b/o3d/statsreport/common/build.scons
new file mode 100644
index 0000000..489e911
--- /dev/null
+++ b/o3d/statsreport/common/build.scons
@@ -0,0 +1,53 @@
+# Copyright 2009, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+Import('env')
+
+env.Append(
+  LIBPATH=[
+    '$LIBS_DIR'
+  ],
+  LIBS = ['o3d_base']
+)
+
+INPUTS = []
+
+if env['TARGET_PLATFORM'] == 'WINDOWS':
+  INPUTS += [
+    'highres_timer-win32.cc',
+  ]
+
+if env['TARGET_PLATFORM'] == 'MAC':
+  INPUTS += [
+    'highres_timer-mac.cc',
+  ]
+
+# Build a library called 'o3dStatsreport_Common' from the input sources.
+env.ComponentLibrary('o3dStatsreport_Common', INPUTS)
diff --git a/o3d/statsreport/common/const_product.h b/o3d/statsreport/common/const_product.h
new file mode 100644
index 0000000..ef4f624
--- /dev/null
+++ b/o3d/statsreport/common/const_product.h
@@ -0,0 +1,91 @@
+/*
+ * Copyright 2009, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+
+// Product-specific constants.
+//
+
+#ifndef O3D_STATSREPORT_COMMON_CONST_PRODUCT_H_
+#define O3D_STATSREPORT_COMMON_CONST_PRODUCT_H_
+
+#include <build/build_config.h>
+#include "base/basictypes.h"
+
+#define _QUOTEME(x) #x
+#define QUOTEME(x) _QUOTEME(x)
+
+#define _WIDEN(X) L ## X
+#define WIDEN(X) _WIDEN(X)
+
+#define PRODUCT_NAME_STRING "o3d"
+#define PRODUCT_VERSION_STRING QUOTEME(O3D_VERSION_NUMBER)
+
+#define PRODUCT_NAME_STRING_WIDE WIDEN(PRODUCT_NAME_STRING)
+
+// keep these two in sync
+#define REGISTRY_KEY_NAME_STRING "o3d"
+#define REGISTRY_KEY_STRING "Software\\Google\\O3D"
+
+#ifdef OS_WIN
+const char kMetricsLockName[] = PRODUCT_NAME_STRING "MetricsAggregationlock";
+#endif
+
+const char kProductName[] = PRODUCT_NAME_STRING;
+
+// TODO: Determine if #define below is needed.
+// This is a string value to be found under they key
+// at REGISTRY_KEY_STRING. This is written by our
+// installer
+// #define INSTALL_DIR_VALUE_NAME "InstallDir"
+
+const char kUserAgent[] = "O3D-";
+
+const int kStatsUploadIntervalSec = 24 * 60 * 60;  // once per day
+const int kStatsAggregationIntervalMSec = 5 * 60 * 1000;  // every 5 minutes
+
+// Taken from Google Update
+// TODO: CRITICAL: Link to actual Google Update docs so that we don't have
+// to keep this up to date. It will mess with our logs.
+const wchar_t* const kRegValueUserId          = L"ui";
+const wchar_t* const kRelativeGoopdateRegPath = L"Software\\Google\\Update\\";
+
+const wchar_t* const kClientstateRegistryKey =
+    L"Software\\Google\\Update\\ClientState\\"
+    L"{70308795-045C-42DA-8F4E-D452381A7459}";
+const wchar_t* const kOptInRegistryKey = L"usagestats";
+
+#define INTERNET_MAX_PATH_LENGTH        2048
+#define INTERNET_MAX_SCHEME_LENGTH      32
+#define INTERNET_MAX_URL_LENGTH         (INTERNET_MAX_SCHEME_LENGTH   \
+                                         + sizeof("://")              \
+                                         + INTERNET_MAX_PATH_LENGTH)
+
+#endif  // O3D_STATSREPORT_COMMON_CONST_PRODUCT_H_
diff --git a/o3d/statsreport/common/highres_timer-linux.cc b/o3d/statsreport/common/highres_timer-linux.cc
new file mode 100644
index 0000000..d577fc3
--- /dev/null
+++ b/o3d/statsreport/common/highres_timer-linux.cc
@@ -0,0 +1,59 @@
+/*
+ * Copyright 2009, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+
+#include "statsreport/common/highres_timer.h"
+
+const uint64 MICROS_IN_MILLI = 1000L;
+const uint64 MICROS_IN_HALF_MILLI = 500L;
+const uint64 MICROS_IN_HALF_SECOND = 500000L;
+
+uint64 HighresTimer::GetElapsedMs() const {
+  uint64 end_time = GetCurrentTicks();
+
+  // Scale to ms and round to nearest ms - rounding is important
+  // because otherwise the truncation error may accumulate e.g. in sums.
+  //
+  return (static_cast<uint64>(end_time - start_ticks_) +
+          MICROS_IN_HALF_MILLI) /
+      MICROS_IN_MILLI;
+}
+
+uint64 HighresTimer::GetElapsedSec() const {
+  uint64 end_time = GetCurrentTicks();
+
+  // Scale to ms and round to nearest ms - rounding is important
+  // because otherwise the truncation error may accumulate e.g. in sums.
+  //
+  return (static_cast<uint64>(end_time - start_ticks_) +
+          MICROS_IN_HALF_SECOND) /
+      MICROS_IN_SECOND;
+}
diff --git a/o3d/statsreport/common/highres_timer-linux.h b/o3d/statsreport/common/highres_timer-linux.h
new file mode 100644
index 0000000..7574a8f
--- /dev/null
+++ b/o3d/statsreport/common/highres_timer-linux.h
@@ -0,0 +1,106 @@
+/*
+ * Copyright 2009, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+
+#ifndef O3D_STATSREPORT_COMMON_HIGHRES_TIMER_LINUX_H_
+#define O3D_STATSREPORT_COMMON_HIGHRES_TIMER_LINUX_H_
+
+#include "base/basictypes.h"
+
+#include <sys/time.h>
+
+const uint64 MICROS_IN_SECOND = 1000000L;
+
+// A handy class for reliably measuring wall-clock time with decent resolution.
+//
+// We want to measure time with high resolution on Linux. What to do?
+//
+// RDTSC? Sure, but how do you convert it to wall clock time?
+// clock_gettime? It's not in all Linuxes.
+//
+// Let's just use gettimeofday; it's good to the microsecond.
+class HighresTimer {
+ public:
+  // Captures the current start time
+  HighresTimer();
+
+  // Captures the current tick, can be used to reset a timer for reuse.
+  void Start();
+
+  // Returns the elapsed ticks with full resolution
+  uint64 GetElapsedTicks() const;
+
+  // Returns the elapsed time in milliseconds, rounded to the nearest
+  // millisecond.
+  uint64 GetElapsedMs() const;
+
+  // Returns the elapsed time in seconds, rounded to the nearest second.
+  uint64 GetElapsedSec() const;
+
+  uint64 start_ticks() const { return start_ticks_; }
+
+  // Returns timer frequency from cache, should be less
+  // overhead than ::QueryPerformanceFrequency
+  static uint64 GetTimerFrequency();
+  // Returns current ticks
+  static uint64 GetCurrentTicks();
+
+ private:
+  // Captured start time
+  uint64 start_ticks_;
+};
+
+inline HighresTimer::HighresTimer() {
+  Start();
+}
+
+inline void HighresTimer::Start() {
+  start_ticks_ = GetCurrentTicks();
+}
+
+inline uint64 HighresTimer::GetTimerFrequency() {
+  // fixed; one "tick" is one microsecond
+
+  return MICROS_IN_SECOND;
+}
+
+inline uint64 HighresTimer::GetCurrentTicks() {
+  timeval tv;
+  (void)gettimeofday(&tv, 0);
+
+  return tv.tv_sec * MICROS_IN_SECOND + tv.tv_usec;
+}
+
+inline uint64 HighresTimer::GetElapsedTicks() const {
+  return start_ticks_ - GetCurrentTicks();
+}
+
+#endif  // O3D_STATSREPORT_COMMON_HIGHRES_TIMER_LINUX_H_
diff --git a/o3d/statsreport/common/highres_timer-mac.cc b/o3d/statsreport/common/highres_timer-mac.cc
new file mode 100644
index 0000000..aa14525
--- /dev/null
+++ b/o3d/statsreport/common/highres_timer-mac.cc
@@ -0,0 +1,70 @@
+/*
+ * Copyright 2009, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+
+#include "statsreport/common/highres_timer.h"
+
+bool HighresTimer::perf_ratio_collected_ = false;
+mach_timebase_info_data_t HighresTimer::perf_ratio_ = {0};
+
+const uint64 NANOS_IN_MILLI = 1000000L;
+const uint64 NANOS_IN_HALF_MILLI = 500000L;
+const uint64 NANOS_IN_SECOND = 1000000000L;
+const uint64 NANOS_IN_HALF_SECOND = 500000000L;
+
+uint64 HighresTimer::GetElapsedMs() const {
+  uint64 end_time = GetCurrentTicks();
+
+  // Scale to ms and round to nearest ms - rounding is important
+  // because otherwise the truncation error may accumulate e.g. in sums.
+  //
+  (void)GetTimerFrequency();
+  return (static_cast<uint64>(end_time - start_ticks_) * perf_ratio_.numer +
+          NANOS_IN_HALF_MILLI * perf_ratio_.denom) /
+      (NANOS_IN_MILLI * perf_ratio_.denom);
+}
+
+uint64 HighresTimer::GetElapsedSec() const {
+  uint64 end_time = GetCurrentTicks();
+
+  // Scale to ms and round to nearest ms - rounding is important
+  // because otherwise the truncation error may accumulate e.g. in sums.
+  //
+  (void)GetTimerFrequency();
+  return (static_cast<uint64>(end_time - start_ticks_) * perf_ratio_.numer +
+          NANOS_IN_HALF_SECOND * perf_ratio_.denom) /
+      (NANOS_IN_SECOND * perf_ratio_.denom);
+}
+
+void HighresTimer::CollectPerfRatio() {
+  mach_timebase_info(&perf_ratio_);
+  perf_ratio_collected_ = true;
+}
diff --git a/o3d/statsreport/common/highres_timer-mac.h b/o3d/statsreport/common/highres_timer-mac.h
new file mode 100644
index 0000000..af512ac
--- /dev/null
+++ b/o3d/statsreport/common/highres_timer-mac.h
@@ -0,0 +1,103 @@
+/*
+ * Copyright 2009, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+
+#ifndef O3D_STATSREPORT_COMMON_HIGHRES_TIMER_MAC_H_
+#define O3D_STATSREPORT_COMMON_HIGHRES_TIMER_MAC_H_
+
+#include "base/basictypes.h"
+#include <mach/mach.h>
+#include <mach/mach_time.h>
+
+// A handy class for reliably measuring wall-clock time with decent resolution.
+class HighresTimer {
+ public:
+  // Captures the current start time
+  HighresTimer();
+
+  // Captures the current tick, can be used to reset a timer for reuse.
+  void Start();
+
+  // Returns the elapsed ticks with full resolution
+  uint64 GetElapsedTicks() const;
+
+  // Returns the elapsed time in milliseconds, rounded to the nearest
+  // millisecond.
+  uint64 GetElapsedMs() const;
+
+  // Returns the elapsed time in seconds, rounded to the nearest second.
+  uint64 GetElapsedSec() const;
+
+  uint64 start_ticks() const { return start_ticks_; }
+
+  // Returns timer frequency from cache, should be less
+  // overhead than ::QueryPerformanceFrequency
+  static uint64 GetTimerFrequency();
+  // Returns current ticks
+  static uint64 GetCurrentTicks();
+
+ private:
+  static void CollectPerfRatio();
+
+  // Captured start time
+  uint64 start_ticks_;
+
+  // Captured performance counter frequency
+  static bool perf_ratio_collected_;
+  static mach_timebase_info_data_t perf_ratio_;
+};
+
+inline HighresTimer::HighresTimer() {
+  Start();
+}
+
+inline void HighresTimer::Start() {
+  start_ticks_ = GetCurrentTicks();
+}
+
+inline uint64 HighresTimer::GetTimerFrequency() {
+  if (!perf_ratio_collected_)
+    CollectPerfRatio();
+  // we're losing precision by doing the division here, but this value is only
+  // used to estimate tick time by the unit tests, so we're ok
+  return static_cast<uint64>(perf_ratio_.denom) * 1000000000ULL
+      / perf_ratio_.numer;
+}
+
+inline uint64 HighresTimer::GetCurrentTicks() {
+  return mach_absolute_time();
+}
+
+inline uint64 HighresTimer::GetElapsedTicks() const {
+  return start_ticks_ - GetCurrentTicks();
+}
+
+#endif  // O3D_STATSREPORT_COMMON_HIGHRES_TIMER_MAC_H_
diff --git a/o3d/statsreport/common/highres_timer-win32.cc b/o3d/statsreport/common/highres_timer-win32.cc
new file mode 100644
index 0000000..878b237
--- /dev/null
+++ b/o3d/statsreport/common/highres_timer-win32.cc
@@ -0,0 +1,72 @@
+/*
+ * Copyright 2009, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+
+#include "statsreport/common/highres_timer.h"
+
+bool HighresTimer::perf_freq_collected_ = false;
+ULONGLONG HighresTimer::perf_freq_ = 0;
+
+ULONGLONG HighresTimer::GetElapsedMs() const {
+  ULONGLONG end_time = GetCurrentTicks();
+
+  // Scale to ms and round to nearerst ms - rounding is important
+  // because otherwise the truncation error may accumulate e.g. in sums.
+  //
+  // Given infinite resolution, this expression could be written as:
+  //  trunc((end - start (units:freq*sec))/freq (units:sec) *
+  //                1000 (unit:ms) + 1/2 (unit:ms))
+  ULONGLONG freq = GetTimerFrequency();
+  return ((end_time - start_ticks_) * 1000L + freq / 2) / freq;
+}
+
+ULONGLONG HighresTimer::GetElapsedSec() const {
+  ULONGLONG end_time = GetCurrentTicks();
+
+  // Scale to ms and round to nearerst ms - rounding is important
+  // because otherwise the truncation error may accumulate e.g. in sums.
+  //
+  // Given infinite resolution, this expression could be written as:
+  //  trunc((end - start (units:freq*sec))/freq (unit:sec) + 1/2 (unit:sec))
+  ULONGLONG freq = GetTimerFrequency();
+  return ((end_time - start_ticks_) + freq / 2) / freq;
+}
+
+void HighresTimer::CollectPerfFreq() {
+  LARGE_INTEGER freq;
+
+  // Note that this is racy.  It's OK, however, because even
+  // concurrent executions of this are idempotent.
+  if (::QueryPerformanceFrequency(&freq)) {
+    perf_freq_ = freq.QuadPart;
+    perf_freq_collected_ = true;
+  }
+}
diff --git a/o3d/statsreport/common/highres_timer-win32.h b/o3d/statsreport/common/highres_timer-win32.h
new file mode 100644
index 0000000..378fdeb
--- /dev/null
+++ b/o3d/statsreport/common/highres_timer-win32.h
@@ -0,0 +1,105 @@
+/*
+ * Copyright 2009, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+
+#ifndef O3D_STATSREPORT_COMMON_HIGHRES_TIMER_WIN32_H_
+#define O3D_STATSREPORT_COMMON_HIGHRES_TIMER_WIN32_H_
+
+#include <windows.h>
+
+// A handy class for reliably measuring wall-clock time with decent resolution,
+// even on multi-processor machines and on laptops (where RDTSC potentially
+// returns different results on different processors and/or the RDTSC timer
+// clocks at different rates depending on the power state of the CPU,
+// respectively).
+class HighresTimer {
+ public:
+  // Captures the current start time
+  HighresTimer();
+  virtual ~HighresTimer() {}
+
+  // Captures the current tick, can be used to reset a timer for reuse.
+  void Start();
+
+  // Returns the elapsed ticks with full resolution
+  ULONGLONG GetElapsedTicks() const;
+
+  // Returns the elapsed time in milliseconds, rounded to the nearest
+  // millisecond.
+  virtual ULONGLONG GetElapsedMs() const;
+
+  // Returns the elapsed time in seconds, rounded to the nearest second.
+  virtual ULONGLONG GetElapsedSec() const;
+
+  ULONGLONG start_ticks() const { return start_ticks_; }
+
+  // Returns timer frequency from cache, should be less
+  // overhead than ::QueryPerformanceFrequency
+  static ULONGLONG GetTimerFrequency();
+  // Returns current ticks
+  static ULONGLONG GetCurrentTicks();
+
+ private:
+  static void CollectPerfFreq();
+
+  // Captured start time
+  ULONGLONG start_ticks_;
+
+  // Captured performance counter frequency
+  static bool perf_freq_collected_;
+  static ULONGLONG perf_freq_;
+};
+
+inline HighresTimer::HighresTimer() {
+  Start();
+}
+
+inline void HighresTimer::Start() {
+  start_ticks_ = GetCurrentTicks();
+}
+
+inline ULONGLONG HighresTimer::GetTimerFrequency() {
+  if (!perf_freq_collected_)
+    CollectPerfFreq();
+  return perf_freq_;
+}
+
+inline ULONGLONG HighresTimer::GetCurrentTicks() {
+  LARGE_INTEGER ticks;
+  ::QueryPerformanceCounter(&ticks);
+  return ticks.QuadPart;
+}
+
+inline ULONGLONG HighresTimer::GetElapsedTicks() const {
+  return start_ticks_ - GetCurrentTicks();
+}
+
+#endif  // O3D_STATSREPORT_COMMON_HIGHRES_TIMER_WIN32_H_
diff --git a/o3d/statsreport/common/highres_timer.h b/o3d/statsreport/common/highres_timer.h
new file mode 100644
index 0000000..5842729
--- /dev/null
+++ b/o3d/statsreport/common/highres_timer.h
@@ -0,0 +1,40 @@
+/*
+ * Copyright 2009, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+
+#include <build/build_config.h>
+#if defined(OS_WIN)
+#include "statsreport/common/highres_timer-win32.h"
+#elif defined(OS_MACOSX)
+#include "statsreport/common/highres_timer-mac.h"
+#else
+#include "statsreport/common/highres_timer-linux.h"
+#endif
diff --git a/o3d/statsreport/common/highres_timer_unittest.cc b/o3d/statsreport/common/highres_timer_unittest.cc
new file mode 100644
index 0000000..7f40f10
--- /dev/null
+++ b/o3d/statsreport/common/highres_timer_unittest.cc
@@ -0,0 +1,84 @@
+/*
+ * Copyright 2009, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+
+#include "statsreport/common/highres_timer.h"
+#include "gtest/gtest.h"
+#include "base/basictypes.h"
+
+// These unittests have proven to be flaky on the build server. While
+// we don't want them breaking the build, we still build them to guard
+// against bitrot. On dev's machines during local builds we leave them
+// enabled.
+#ifndef BUILD_SERVER_BUILD
+TEST(HighresTimer, MillisecondClock) {
+#else
+TEST(HighresTimer, DISABLED_MillisecondClock) {
+#endif
+  HighresTimer timer;
+
+  // note: this could fail if we context switch between initializing the timer
+  // and here. Very unlikely however.
+  EXPECT_EQ(0, timer.GetElapsedMs());
+  timer.Start();
+  uint64 half_ms = HighresTimer::GetTimerFrequency() / 2000;
+  // busy wait for half a millisecond
+  while (timer.start_ticks() + half_ms > HighresTimer::GetCurrentTicks()) {
+    // Nothing
+  }
+  EXPECT_EQ(1, timer.GetElapsedMs());
+}
+
+#ifndef BUILD_SERVER_BUILD
+TEST(HighresTimer, SecondClock) {
+#else
+TEST(HighresTimer, DISABLED_SecondClock) {
+#endif
+  HighresTimer timer;
+
+  EXPECT_EQ(0, timer.GetElapsedSec());
+#ifdef OS_WIN
+  ::Sleep(250);
+#else
+  struct timespec ts1 = {0, 250000000};
+  nanosleep(&ts1, 0);
+#endif
+  EXPECT_EQ(0, timer.GetElapsedSec());
+  EXPECT_LE(230, timer.GetElapsedMs());
+  EXPECT_GE(270, timer.GetElapsedMs());
+#ifdef OS_WIN
+  ::Sleep(251);
+#else
+  struct timespec ts2 = {0, 251000000};
+  nanosleep(&ts2, 0);
+#endif
+  EXPECT_EQ(1, timer.GetElapsedSec());
+}