void PrettyPrinter::print_measurements(const Profiler::MeasurementsMap &measurements)
{
for(const auto &instrument : measurements)
{
*_stream << begin_color("3") << " " << instrument.first << ":";
auto add_measurements = [](Measurement::Value a, const Measurement & b)
{
return a + b.value();
};
auto cmp_measurements = [](const Measurement & a, const Measurement & b)
{
return a.value() < b.value();
};
int num_values = instrument.second.size();
const auto minmax_values = std::minmax_element(instrument.second.begin(), instrument.second.end(), cmp_measurements);
Measurement::Value sum_values = std::accumulate(instrument.second.begin(), instrument.second.end(), Measurement::Value(minmax_values.first->value().is_floating_point), add_measurements);
// Calculate the median value
auto measurements = instrument.second;
std::nth_element(measurements.begin(), measurements.begin() + (num_values / 2), measurements.end(), cmp_measurements);
const auto median_value = measurements[num_values / 2];
// Calculate the relative standard deviation
auto mean_value = sum_values / num_values;
std::vector<Measurement::Value> diff(measurements.size(), minmax_values.first->value().is_floating_point);
std::transform(measurements.begin(), measurements.end(), diff.begin(), [mean_value](const Measurement & x)
{
return x.value() - mean_value;
});
auto sq_sum = std::inner_product(diff.begin(), diff.end(), diff.begin(), Measurement::Value(minmax_values.first->value().is_floating_point));
auto variance = sq_sum / measurements.size();
auto rsd = Measurement::Value::relative_standard_deviation(variance, mean_value);
if(num_values > 2)
{
sum_values -= minmax_values.first->value() + minmax_values.second->value();
num_values -= 2;
}
*_stream << " ";
*_stream << "MEDIAN=" << median_value.value() << " " << median_value.unit() << ", ";
*_stream << "AVG=" << (sum_values / num_values) << " " << minmax_values.second->unit() << ", ";
*_stream << "STDDEV=" << arithmetic_to_string(rsd, 2) << " %, ";
if(num_values > 1)
{
*_stream << "MIN=" << *minmax_values.first << ", ";
*_stream << "MAX=" << *minmax_values.second;
}
*_stream << end_color() << "\n";
}
}
int
main (int argc, char *argv[])
{
struct stats s, s0;
int print = 0;
FILE *fp = fopen(STATS_FILE, "rb");
if (fp != NULL)
{
fread(&s0, sizeof(struct stats), 1, fp);
fclose(fp);
print = 1;
}
get_times(&s);
get_temp(&s);
get_mail(&s);
get_cputime(&s);
get_power(&s);
get_mem(&s);
get_txrx(&s);
if (print)
{
int i;
double temp = 1e-3*s.temp;
double charge = 100*s.charge_now/s.charge_full;
double tx = (s.tx-s0.tx)/(s.t-s0.t);
double rx = (s.rx-s0.rx)/(s.t-s0.t);
double mem = s.mem*9.5367431640625e-07;
double cpu_pct[MAX_CPUS];
for (i=0; i < s.n_cpus; i++)
{
double idle = s.cpu_idle[i] - s0.cpu_idle[i];
double total = s.cpu_total[i] - s0.cpu_total[i];
cpu_pct[i] = 1-idle/total;
}
fputs(" [", stdout);
begin_color(color_bar);
fputs(th_spc, stdout);
for (i=0; i < s.n_cpus; i++)
{
print_bar(cpu_pct[i]);
fputs(th_spc, stdout);
}
end_color();
fputc(']', stdout);
begin_color (color_div);
fputs(spc, stdout);
fputs(divider, stdout);
end_color();
begin_color_coded (temp, LO_TEMP, HI_TEMP);
num_print (temp, 3, degc);
end_color();
begin_color (color_div);
fputs(spc, stdout);
fputs(divider, stdout);
fputs(spc, stdout);
end_color();
begin_color_coded (mem, LO_MEM, HI_MEM);
num_print (mem, 4, "MB");
end_color();
begin_color (color_div);
fputs(spc, stdout);
fputs(divider, stdout);
fputs(spc, stdout);
end_color();
begin_color (s.ac_connected ? "cyan" : "red");
fputs(s.ac_connected ? acon : acoff, stdout);
fputc(' ', stdout);
end_color();
begin_color_coded (100-charge, LO_CHARGE, HI_CHARGE);
num_print (charge, 3, "%");
end_color();
begin_color (color_div);
fputs(spc, stdout);
fputs(divider, stdout);
end_color();
begin_color_coded (tx, LO_RATE, HI_RATE);
num_print (tx, 0, "B/s ");
end_color();
begin_color (color_up);
fputs(up, stdout);
end_color();
begin_color_coded (rx, LO_RATE, HI_RATE);
fputs(spc, stdout);
num_print (rx, 0, "B/s ");
end_color();
begin_color (color_down);
fputs(down, stdout);
end_color();
fputs(spc, stdout);
begin_color (color_div);
fputs(divider, stdout);
fputs(spc, stdout);
end_color();
if (s.gmail)
{
begin_color (color_mail);
printf ("%2d/g", s.gmail);
end_color();
}
if (s.uiucmail)
{
begin_color (color_mail);
printf ("%2d/u", s.uiucmail);
end_color();
}
if (s.uiucmail || s.gmail)
{
fputs(spc, stdout);
begin_color (color_div);
fputs(divider, stdout);
fputs(spc, stdout);
end_color();
}
begin_color (color_date);
fputs(s.date, stdout);
end_color();
fputs(spc, stdout);
begin_color (color_div);
fputs(divider, stdout);
end_color();
}
fp = fopen(STATS_FILE, "wb");
fwrite(&s, sizeof(struct stats), 1, fp);
fclose(fp);
return 0;
}
void PrettyPrinter::print_info(const std::string &info)
{
*_stream << begin_color("1") << "INFO: " << info << end_color() << "\n";
}
void PrettyPrinter::print_test_header(const TestInfo &info)
{
*_stream << begin_color("2") << "Running [" << info.id << "] '" << info.name << "'" << end_color() << "\n";
}
void PrettyPrinter::print_entry(const std::string &name, const std::string &value)
{
*_stream << begin_color("4") << name << " = " << value << end_color() << "\n";
}
void PrettyPrinter::print_error(const std::exception &error, bool expected)
{
std::string prefix = expected ? "EXPECTED ERROR: " : "ERROR: ";
*_stream << begin_color("1") << prefix << error.what() << end_color() << "\n";
}
