126 lines
3.0 KiB
C++
126 lines
3.0 KiB
C++
#include <string.h>
|
|
#include <errno.h>
|
|
#include <time.h>
|
|
#include <algorithm>
|
|
#include <boost/algorithm/string.hpp>
|
|
#include "misc_log_ex.h"
|
|
#include "timings.h"
|
|
|
|
#define N_EXPECTED_FIELDS (8+11)
|
|
|
|
TimingsDatabase::TimingsDatabase()
|
|
{
|
|
}
|
|
|
|
TimingsDatabase::TimingsDatabase(const std::string &filename):
|
|
filename(filename)
|
|
{
|
|
load();
|
|
}
|
|
|
|
TimingsDatabase::~TimingsDatabase()
|
|
{
|
|
save();
|
|
}
|
|
|
|
bool TimingsDatabase::load()
|
|
{
|
|
instances.clear();
|
|
|
|
if (filename.empty())
|
|
return true;
|
|
|
|
FILE *f = fopen(filename.c_str(), "r");
|
|
if (!f)
|
|
{
|
|
MDEBUG("Failed to load timings file " << filename << ": " << strerror(errno));
|
|
return false;
|
|
}
|
|
while (1)
|
|
{
|
|
char s[4096];
|
|
if (!fgets(s, sizeof(s), f))
|
|
break;
|
|
char *tab = strchr(s, '\t');
|
|
if (!tab)
|
|
{
|
|
MWARNING("Bad format: no tab found");
|
|
continue;
|
|
}
|
|
const std::string name = std::string(s, tab - s);
|
|
std::vector<std::string> fields;
|
|
char *ptr = tab + 1;
|
|
boost::split(fields, ptr, boost::is_any_of(" "));
|
|
if (fields.size() != N_EXPECTED_FIELDS)
|
|
{
|
|
MERROR("Bad format: wrong number of fields: got " << fields.size() << " expected " << N_EXPECTED_FIELDS);
|
|
continue;
|
|
}
|
|
|
|
instance i;
|
|
|
|
unsigned int idx = 0;
|
|
i.t = atoi(fields[idx++].c_str());
|
|
i.npoints = atoi(fields[idx++].c_str());
|
|
i.min = atof(fields[idx++].c_str());
|
|
i.max = atof(fields[idx++].c_str());
|
|
i.mean = atof(fields[idx++].c_str());
|
|
i.median = atof(fields[idx++].c_str());
|
|
i.stddev = atof(fields[idx++].c_str());
|
|
i.npskew = atof(fields[idx++].c_str());
|
|
i.deciles.reserve(11);
|
|
for (int n = 0; n < 11; ++n)
|
|
{
|
|
i.deciles.push_back(atoi(fields[idx++].c_str()));
|
|
}
|
|
instances.insert(std::make_pair(name, i));
|
|
}
|
|
fclose(f);
|
|
return true;
|
|
}
|
|
|
|
bool TimingsDatabase::save()
|
|
{
|
|
if (filename.empty())
|
|
return true;
|
|
|
|
FILE *f = fopen(filename.c_str(), "w");
|
|
if (!f)
|
|
{
|
|
MERROR("Failed to write to file " << filename << ": " << strerror(errno));
|
|
return false;
|
|
}
|
|
for (const auto &i: instances)
|
|
{
|
|
fprintf(f, "%s", i.first.c_str());
|
|
fprintf(f, "\t%lu", (unsigned long)i.second.t);
|
|
fprintf(f, " %zu", i.second.npoints);
|
|
fprintf(f, " %f", i.second.min);
|
|
fprintf(f, " %f", i.second.max);
|
|
fprintf(f, " %f", i.second.mean);
|
|
fprintf(f, " %f", i.second.median);
|
|
fprintf(f, " %f", i.second.stddev);
|
|
fprintf(f, " %f", i.second.npskew);
|
|
for (uint64_t v: i.second.deciles)
|
|
fprintf(f, " %lu", (unsigned long)v);
|
|
fputc('\n', f);
|
|
}
|
|
fclose(f);
|
|
return true;
|
|
}
|
|
|
|
std::vector<TimingsDatabase::instance> TimingsDatabase::get(const char *name) const
|
|
{
|
|
std::vector<instance> ret;
|
|
auto range = instances.equal_range(name);
|
|
for (auto i = range.first; i != range.second; ++i)
|
|
ret.push_back(i->second);
|
|
std::sort(ret.begin(), ret.end(), [](const instance &e0, const instance &e1){ return e0.t < e1.t; });
|
|
return ret;
|
|
}
|
|
|
|
void TimingsDatabase::add(const char *name, const instance &i)
|
|
{
|
|
instances.insert(std::make_pair(name, i));
|
|
}
|