blob: 73643306c97d85a7bbcc252b934e5c3b914cf526 [file] [log] [blame]
// 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 "perf_test.h"
#include <stdio.h>
#include <stdarg.h>
#include <vector>
namespace {
namespace base {
std::string FormatString(const char *fmt, va_list vararg) {
static std::vector<char> buffer(512);
// Attempt to just print to the current buffer
int len = vsnprintf(&buffer[0], buffer.size(), fmt, vararg);
if (len < 0 || static_cast<size_t>(len) >= buffer.size()) {
// Buffer was not large enough, calculate the required size and resize the buffer
len = vsnprintf(NULL, 0, fmt, vararg);
buffer.resize(len + 1);
// Print again
vsnprintf(&buffer[0], buffer.size(), fmt, vararg);
}
return std::string(buffer.data(), len);
}
std::string StringPrintf(const char *fmt, ...) {
va_list vararg;
va_start(vararg, fmt);
std::string result = FormatString(fmt, vararg);
va_end(vararg);
return result;
}
std::string UintToString(unsigned int value) {
return StringPrintf("%u", value);
}
std::string DoubleToString(double value) {
return StringPrintf("%.10lf", value);
}
}
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 PrintResult(const std::string& measurement,
const std::string& modifier,
const std::string& trace,
double value,
const std::string& units,
bool important) {
PrintResultsImpl(measurement,
modifier,
trace,
base::DoubleToString(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