Factor out a perf test result printer method.
This is to allow cc_perftests to share this code without depending on chrome/.
BUG=
Review URL: https://chromiumcodereview.appspot.com/23509002
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@220803 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/testing/perf/perf_test.cc b/testing/perf/perf_test.cc
new file mode 100644
index 0000000..fd39f87
--- /dev/null
+++ b/testing/perf/perf_test.cc
@@ -0,0 +1,188 @@
+// Copyright 2013 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 "testing/perf/perf_test.h"
+
+#include <stdio.h>
+
+#include "base/logging.h"
+#include "base/strings/string_number_conversions.h"
+#include "base/strings/stringprintf.h"
+
+namespace {
+
+std::string ResultsToString(const std::string& measurement,
+ const std::string& modifier,
+ const std::string& trace,
+ const std::string& values,
+ const std::string& prefix,
+ const std::string& suffix,
+ const std::string& units,
+ bool important) {
+ // <*>RESULT <graph_name>: <trace_name>= <value> <units>
+ // <*>RESULT <graph_name>: <trace_name>= {<mean>, <std deviation>} <units>
+ // <*>RESULT <graph_name>: <trace_name>= [<value>,value,value,...,] <units>
+ return base::StringPrintf("%sRESULT %s%s: %s= %s%s%s %s\n",
+ important ? "*" : "", measurement.c_str(), modifier.c_str(),
+ trace.c_str(), prefix.c_str(), values.c_str(), suffix.c_str(),
+ units.c_str());
+}
+
+void PrintResultsImpl(const std::string& measurement,
+ const std::string& modifier,
+ const std::string& trace,
+ const std::string& values,
+ const std::string& prefix,
+ const std::string& suffix,
+ const std::string& units,
+ bool important) {
+ fflush(stdout);
+ printf("%s", ResultsToString(measurement, modifier, trace, values,
+ prefix, suffix, units, important).c_str());
+ fflush(stdout);
+}
+
+} // namespace
+
+namespace perf_test {
+
+void PrintResult(const std::string& measurement,
+ const std::string& modifier,
+ const std::string& trace,
+ size_t value,
+ const std::string& units,
+ bool important) {
+ PrintResultsImpl(measurement,
+ modifier,
+ trace,
+ base::UintToString(static_cast<unsigned int>(value)),
+ std::string(),
+ std::string(),
+ units,
+ important);
+}
+
+void AppendResult(std::string& output,
+ const std::string& measurement,
+ const std::string& modifier,
+ const std::string& trace,
+ size_t value,
+ const std::string& units,
+ bool important) {
+ output += ResultsToString(
+ measurement,
+ modifier,
+ trace,
+ base::UintToString(static_cast<unsigned int>(value)),
+ std::string(),
+ std::string(),
+ units,
+ important);
+}
+
+void PrintResult(const std::string& measurement,
+ const std::string& modifier,
+ const std::string& trace,
+ const std::string& value,
+ const std::string& units,
+ bool important) {
+ PrintResultsImpl(measurement,
+ modifier,
+ trace,
+ value,
+ std::string(),
+ std::string(),
+ units,
+ important);
+}
+
+void AppendResult(std::string& output,
+ const std::string& measurement,
+ const std::string& modifier,
+ const std::string& trace,
+ const std::string& value,
+ const std::string& units,
+ bool important) {
+ output += ResultsToString(measurement,
+ modifier,
+ trace,
+ value,
+ std::string(),
+ std::string(),
+ units,
+ important);
+}
+
+void PrintResultMeanAndError(const std::string& measurement,
+ const std::string& modifier,
+ const std::string& trace,
+ const std::string& mean_and_error,
+ const std::string& units,
+ bool important) {
+ PrintResultsImpl(measurement, modifier, trace, mean_and_error,
+ "{", "}", units, important);
+}
+
+void AppendResultMeanAndError(std::string& output,
+ const std::string& measurement,
+ const std::string& modifier,
+ const std::string& trace,
+ const std::string& mean_and_error,
+ const std::string& units,
+ bool important) {
+ output += ResultsToString(measurement, modifier, trace, mean_and_error,
+ "{", "}", units, important);
+}
+
+void PrintResultList(const std::string& measurement,
+ const std::string& modifier,
+ const std::string& trace,
+ const std::string& values,
+ const std::string& units,
+ bool important) {
+ PrintResultsImpl(measurement, modifier, trace, values,
+ "[", "]", units, important);
+}
+
+void AppendResultList(std::string& output,
+ const std::string& measurement,
+ const std::string& modifier,
+ const std::string& trace,
+ const std::string& values,
+ const std::string& units,
+ bool important) {
+ output += ResultsToString(measurement, modifier, trace, values,
+ "[", "]", units, important);
+}
+
+void PrintSystemCommitCharge(const std::string& test_name,
+ size_t charge,
+ bool important) {
+ PrintSystemCommitCharge(stdout, test_name, charge, important);
+}
+
+void PrintSystemCommitCharge(FILE* target,
+ const std::string& test_name,
+ size_t charge,
+ bool important) {
+ fprintf(target, "%s", SystemCommitChargeToString(test_name, charge,
+ important).c_str());
+}
+
+std::string SystemCommitChargeToString(const std::string& test_name,
+ size_t charge,
+ bool important) {
+ std::string trace_name(test_name);
+ std::string output;
+ AppendResult(output,
+ "commit_charge",
+ std::string(),
+ "cc" + trace_name,
+ charge,
+ "kb",
+ important);
+ return output;
+}
+
+} // namespace perf_test
