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#pragma once
#include <Common/ProfileEvents.h>
#include <Common/Stopwatch.h>
namespace DB
{
enum Time
{
Nanoseconds,
Microseconds,
Milliseconds,
Seconds,
};
template <Time time>
struct ProfileEventTimeIncrement
{
explicit ProfileEventTimeIncrement<time>(ProfileEvents::Event event_)
: event(event_), watch(CLOCK_MONOTONIC) {}
UInt64 elapsed()
{
if constexpr (time == Time::Nanoseconds)
return watch.elapsedNanoseconds();
else if constexpr (time == Time::Microseconds)
return watch.elapsedMicroseconds();
else if constexpr (time == Time::Milliseconds)
return watch.elapsedMilliseconds();
else if constexpr (time == Time::Seconds)
return watch.elapsedSeconds();
}
~ProfileEventTimeIncrement()
{
watch.stop();
ProfileEvents::increment(event, elapsed());
}
ProfileEvents::Event event;
Stopwatch watch;
};
}
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