lisyarus/psemek
1
0
Fork 1
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Change profiler time reporting format

Browse source
This commit is contained in:
Nikita Lisitsa 2021-03-12 14:43:30 +03:00
parent 9aa494ab96
commit 0a367b8ab4
1 changed files with 42 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

44
libs/util/source/profiler.cpp
View file

@ -33,6 +33,42 @@ namespace psemek::util
static thread_local profiler_tree * current = nullptr;
struct pretty_impl
{
double value;
};
pretty_impl pretty(double value)
{
return {value};
}
std::ostream & operator << (std::ostream & os, pretty_impl p)
{
char const * suf[] =
{
"ns",
"us",
"ms",
"s",
};
double s = 1e-9;
for (std::size_t i = 0; i < 4; ++i)
{
if (p.value < (s * 1000.0) || i == 3)
{
os << (p.value / s) << ' ' << suf[i];
return os;
}
s *= 1000.0;
}
return os;
}
void dump_impl(profiler_tree const & node, std::size_t depth)
{
std::size_t max_name_length = 0;
@ -42,9 +78,13 @@ namespace psemek::util
for (auto const & c : node.children)
{
auto const & stat = c.second.execution_time;
log::info() << std::string(depth * 2, ' ') << std::setw(max_name_length + 3) << std::left << std::setfill(' ') << c.first
<< util::pretty(std::chrono::duration<double>{c.second.execution_time.mean()}, std::chrono::microseconds{})
<< " (" << c.second.execution_time.count() << " calls)";
<< " avg " << pretty(stat.mean())
<< " 25% " << pretty(stat.percentile(0.25))
<< " 50% " << pretty(stat.percentile(0.50))
<< " 75% " << pretty(stat.percentile(0.75))
<< " (" << stat.count() << " calls)";
dump_impl(c.second, depth + 1);
}
}