Upgrade in-tree google benchmark to v1.1

llvm-svn: 286029

1 files changed, 26 insertions, 41 deletions

diff --git a/libcxx/utils/google-benchmark/src/json_reporter.cc b/libcxx/utils/google-benchmark/src/json_reporter.cc
index 485d30524a2..cea5f9bfa1c 100644
--- a/libcxx/utils/google-benchmark/src/json_reporter.cc
+++ b/libcxx/utils/google-benchmark/src/json_reporter.cc
@@ -23,7 +23,7 @@
 #include <vector>
 
 #include "string_util.h"
-#include "walltime.h"
+#include "timers.h"
 
 namespace benchmark {
 
@@ -47,11 +47,13 @@ std::string FormatKV(std::string const& key, int64_t value) {
   return ss.str();
 }
 
-int64_t RoundDouble(double v) {
-    return static_cast<int64_t>(v + 0.5);
+std::string FormatKV(std::string const& key, double value) {
+  return StringPrintF("\"%s\": %.2f", key.c_str(), value);
 }
 
-} // end namespace
+int64_t RoundDouble(double v) { return static_cast<int64_t>(v + 0.5); }
+
+}  // end namespace
 
 bool JSONReporter::ReportContext(const Context& context) {
   std::ostream& out = GetOutputStream();
@@ -66,14 +68,11 @@ bool JSONReporter::ReportContext(const Context& context) {
   std::string walltime_value = LocalDateTimeString();
   out << indent << FormatKV("date", walltime_value) << ",\n";
 
-  out << indent
-      << FormatKV("num_cpus", static_cast<int64_t>(context.num_cpus))
+  out << indent << FormatKV("num_cpus", static_cast<int64_t>(context.num_cpus))
       << ",\n";
-  out << indent
-      << FormatKV("mhz_per_cpu", RoundDouble(context.mhz_per_cpu))
+  out << indent << FormatKV("mhz_per_cpu", RoundDouble(context.mhz_per_cpu))
       << ",\n";
-  out << indent
-      << FormatKV("cpu_scaling_enabled", context.cpu_scaling_enabled)
+  out << indent << FormatKV("cpu_scaling_enabled", context.cpu_scaling_enabled)
       << ",\n";
 
 #if defined(NDEBUG)
@@ -118,28 +117,20 @@ void JSONReporter::Finalize() {
 void JSONReporter::PrintRunData(Run const& run) {
   std::string indent(6, ' ');
   std::ostream& out = GetOutputStream();
+  out << indent << FormatKV("name", run.benchmark_name) << ",\n";
+  if (run.error_occurred) {
+    out << indent << FormatKV("error_occurred", run.error_occurred) << ",\n";
+    out << indent << FormatKV("error_message", run.error_message) << ",\n";
+  }
+  if (!run.report_big_o && !run.report_rms) {
+    out << indent << FormatKV("iterations", run.iterations) << ",\n";
     out << indent
-        << FormatKV("name", run.benchmark_name)
+        << FormatKV("real_time", RoundDouble(run.GetAdjustedRealTime()))
         << ",\n";
-    if (run.error_occurred) {
-        out << indent
-            << FormatKV("error_occurred", run.error_occurred)
-            << ",\n";
-        out << indent
-            << FormatKV("error_message", run.error_message)
-            << ",\n";
-    }
-  if (!run.report_big_o && !run.report_rms) {
-        out << indent
-            << FormatKV("iterations", run.iterations)
-            << ",\n";
-        out << indent
-            << FormatKV("real_time", RoundDouble(run.GetAdjustedRealTime()))
-            << ",\n";
-        out << indent
-            << FormatKV("cpu_time", RoundDouble(run.GetAdjustedCPUTime()));
-        out << ",\n" << indent
-            << FormatKV("time_unit", GetTimeUnitString(run.time_unit));
+    out << indent
+        << FormatKV("cpu_time", RoundDouble(run.GetAdjustedCPUTime()));
+    out << ",\n"
+        << indent << FormatKV("time_unit", GetTimeUnitString(run.time_unit));
   } else if (run.report_big_o) {
     out << indent
         << FormatKV("cpu_coefficient", RoundDouble(run.GetAdjustedCPUTime()))
@@ -147,15 +138,11 @@ void JSONReporter::PrintRunData(Run const& run) {
     out << indent
         << FormatKV("real_coefficient", RoundDouble(run.GetAdjustedRealTime()))
         << ",\n";
+    out << indent << FormatKV("big_o", GetBigOString(run.complexity)) << ",\n";
+    out << indent << FormatKV("time_unit", GetTimeUnitString(run.time_unit));
+  } else if (run.report_rms) {
     out << indent
-            << FormatKV("big_o", GetBigOString(run.complexity))
-            << ",\n";
-        out << indent
-            << FormatKV("time_unit", GetTimeUnitString(run.time_unit));
-    } else if(run.report_rms) {
-        out << indent
-            << FormatKV("rms", RoundDouble(run.GetAdjustedCPUTime()*100))
-            << '%';
+        << FormatKV("rms", run.GetAdjustedCPUTime());
   }
   if (run.bytes_per_second > 0.0) {
     out << ",\n"
@@ -168,9 +155,7 @@ void JSONReporter::PrintRunData(Run const& run) {
         << FormatKV("items_per_second", RoundDouble(run.items_per_second));
   }
   if (!run.report_label.empty()) {
-    out << ",\n"
-        << indent
-        << FormatKV("label", run.report_label);
+    out << ",\n" << indent << FormatKV("label", run.report_label);
   }
   out << '\n';
 }