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/*
Copyright (C) 2014 Tim Mayberry
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "pbd/timing.h"
#include <sstream>
#include <limits>
namespace PBD {
bool
get_min_max_avg_total (const std::vector<uint64_t>& values, uint64_t& min, uint64_t& max, uint64_t& avg, uint64_t& total)
{
if (values.empty()) {
return false;
}
total = 0;
min = std::numeric_limits<uint64_t>::max();
max = 0; avg = 0;
for (std::vector<uint64_t>::const_iterator ci = values.begin(); ci != values.end(); ++ci) {
total += *ci;
min = std::min (min, *ci);
max = std::max (max, *ci);
}
avg = total / values.size();
return true;
}
std::string
timing_summary (const std::vector<uint64_t>& values)
{
std::ostringstream oss;
uint64_t min, max, avg, total;
if (get_min_max_avg_total (values, min, max, avg, total)) {
oss << "Count: " << values.size()
<< " Min: " << min
<< " Max: " << max
<< " Total: " << total
<< " Avg: " << avg << " (" << avg / 1000 << " msecs)"
<< std::endl;
}
return oss.str();
}
} // namespace PBD
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