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#include "bu/profiler.h"
#include "bu/mutexlocker.h"
#include "bu/sio.h"
#include <sys/time.h>
Bu::Profiler::Profiler()
{
}
Bu::Profiler::~Profiler()
{
printReport();
}
uint64_t Bu::Profiler::getMicroTime()
{
struct timeval tv;
gettimeofday( &tv, NULL );
return ((uint64_t)tv.tv_sec)*1000000 + ((uint64_t)tv.tv_usec);
}
void Bu::Profiler::startEvent( const Bu::Blob &bName )
{
Bu::MutexLocker l( mLock );
if( hEvent.has( bName ) )
{
hEvent.get( bName ).append( Event() );
}
else
{
hEvent.insert( bName, EventList( Event() ) );
}
}
void Bu::Profiler::endEvent( const Bu::Blob &bName )
{
Bu::MutexLocker l( mLock );
if( !hEvent.has( bName ) )
return;
if( hEvent.get( bName ).isEmpty() )
return;
hEvent.get( bName ).last().end();
}
void Bu::Profiler::printReport() const
{
class Breakdown
{
public:
Breakdown( const Bu::Blob &bName ) :
bName( bName ), uCount( 0 ), uTotal( 0 ), uMin( 0 ), uMax( 0 ) { }
Breakdown( const Breakdown &rSrc ) :
bName( rSrc.bName ), uCount( rSrc.uCount ), uTotal( rSrc.uTotal ),
uMin( rSrc.uMin ), uMax( rSrc.uMax ) { }
~Breakdown() { }
bool operator<( const Breakdown &rhs ) const
{
return uTotal > rhs.uTotal;
}
Breakdown &operator=( const Breakdown &rhs )
{
bName = rhs.bName;
uCount = rhs.uCount;
uTotal = rhs.uTotal;
uMin = rhs.uMin;
uMax = rhs.uMax;
return *this;
}
void add( uint64_t uSpan )
{
if( uCount == 0 )
{
uMin = uMax = uSpan;
}
else
{
if( uMin > uSpan )
uMin = uSpan;
if( uMax < uSpan )
uMax = uSpan;
}
uCount++;
uTotal += uSpan;
}
Bu::Blob bName;
uint64_t uCount;
uint64_t uTotal;
uint64_t uMin;
uint64_t uMax;
};
Bu::MutexLocker l( mLock );
int iTitleLen = 0;
Bu::List<Breakdown> lBreakdown;
for( EventListHash::const_iterator iType = hEvent.begin(); iType; iType++ )
{
Breakdown b( iType.getKey() );
if( iTitleLen < b.bName.getSize() )
iTitleLen = b.bName.getSize();
for( EventList::const_iterator iEv = iType.getValue().begin();
iEv; iEv++ )
{
b.add( (*iEv).getSpan() );
}
lBreakdown.append( b );
}
lBreakdown.sort();
Bu::println("%1 %2 %3 %4 %5 %6")
.arg("Title", Bu::Fmt(iTitleLen) )
.arg("Cnt", Bu::Fmt(5) )
.arg("Total", Bu::Fmt(9) )
.arg("Avg", Bu::Fmt(9) )
.arg("Max", Bu::Fmt(9) )
.arg("Min", Bu::Fmt(9) );
for( Bu::List<Breakdown>::iterator i = lBreakdown.begin(); i; i++ )
{
Bu::println("%1 %2 %3.%4 %5.%6 %7.%8 %9.%10")
.arg( (*i).bName.getData(), Bu::Fmt(iTitleLen) )
.arg( (*i).uCount, Bu::Fmt(5) )
.arg( ((*i).uTotal/1000000), Bu::Fmt(5).right() )
.arg( ((*i).uTotal/1000)%1000, Bu::Fmt(3).fill('0').right() )
.arg( ((*i).uTotal/(*i).uCount)/1000000, Bu::Fmt(5).right() )
.arg( (((*i).uTotal/(*i).uCount)/1000)%1000, Bu::Fmt(3).right().fill('0') )
.arg( (*i).uMax/1000000, Bu::Fmt(5).right() )
.arg( ((*i).uMax/1000)%1000, Bu::Fmt(3).right().fill('0') )
.arg( (*i).uMin/1000000, Bu::Fmt(5).right() )
.arg( ((*i).uMin/1000)%1000, Bu::Fmt(3).right().fill('0') )
;
}
}
Bu::Profiler::Event::Event() :
iStart( Bu::Profiler::getMicroTime() ),
iStop( 0 )
{
}
Bu::Profiler::Event::Event( const Event &rSrc ) :
iStart( rSrc.iStart ),
iStop( rSrc.iStop )
{
}
Bu::Profiler::Event::~Event()
{
}
void Bu::Profiler::Event::end()
{
if( iStop == 0 )
iStop = Bu::Profiler::getMicroTime();
}
bool Bu::Profiler::Event::hasEnded() const
{
return iStop != 0;
}
uint64_t Bu::Profiler::Event::getStart() const
{
return iStart;
}
uint64_t Bu::Profiler::Event::getEnd() const
{
return iStop;
}
uint64_t Bu::Profiler::Event::getSpan() const
{
if( iStop < iStart )
return 0;
return iStop-iStart;
}
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