mirror/tracy
1
0
Fork 0
mirror of https://github.com/wolfpld/tracy.git synced 2024-11-10 10:41:50 +00:00
Code Issues Packages Projects Releases Wiki Activity

Implement counting relative hw samples data.

Browse Source 
This exploits the fact that AddrStat has two data fields (local and ext) to
store branch and cache information.
This commit is contained in:
Bartosz Taudul 2021-07-15 01:59:33 +02:00
parent 8c78af4d00
commit 9c7a122d94
No known key found for this signature in database
GPG Key ID: B7FE2008B7575DF3
2 changed files with 57 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

56
server/TracySourceView.cpp
View File

@ -4108,6 +4108,62 @@ void SourceView::GatherIpHwStats( AddrStat& iptotalSrc, AddrStat& iptotalAsm, un
}
}
void SourceView::CountHwStats( unordered_flat_map<uint64_t, AddrStat>& hwCountSrc, unordered_flat_map<uint64_t, AddrStat>& hwCountAsm, AddrStat& hwMaxSrc, AddrStat& hwMaxAsm, Worker& worker, const View& view )
{
auto filename = m_source.filename();
for( auto& v : m_asm )
{
const auto& addr = v.addr;
if( m_calcInlineStats && worker.GetInlineSymbolForAddress( addr ) != m_symAddr ) continue;
const auto hw = worker.GetHwSampleData( addr );
if( !hw ) continue;
uint64_t branch, cache;
if( view.m_statRange.active )
{
branch = sqrt( CountHwSamples( hw->branchMiss, view.m_statRange ) * CountHwSamples( hw->branchRetired, view.m_statRange ) );
cache = sqrt( CountHwSamples( hw->cacheMiss, view.m_statRange ) * CountHwSamples( hw->cacheRef, view.m_statRange ) );
}
else
{
branch = sqrt( hw->branchMiss.size() * hw->branchRetired.size() );
cache = sqrt( hw->cacheMiss.size() * hw->cacheRef.size() );
}
assert( ipcountAsm.find( addr ) == ipcountAsm.end() );
hwCountAsm.emplace( addr, AddrStat { branch, cache } );
if( hwMaxAsm.local < branch ) hwMaxAsm.local = branch;
if( hwMaxAsm.ext < cache ) hwMaxAsm.ext = cache;
if( filename )
{
uint32_t line;
const auto fref = worker.GetLocationForAddress( addr, line );
if( line != 0 )
{
auto ffn = worker.GetString( fref );
if( strcmp( ffn, filename ) == 0 )
{
auto it = hwCountSrc.find( line );
if( it == hwCountSrc.end() )
{
hwCountSrc.emplace( line, AddrStat{ branch, cache } );
if( hwMaxSrc.local < branch ) hwMaxSrc.local = branch;
if( hwMaxSrc.ext < cache ) hwMaxSrc.ext = cache;
}
else
{
const auto branchSum = it->second.local + branch;
const auto cacheSum = it->second.ext + cache;
it->second.local = branchSum;
it->second.ext = cacheSum;
if( hwMaxSrc.local < branchSum ) hwMaxSrc.local = branchSum;
if( hwMaxSrc.ext < cacheSum ) hwMaxSrc.ext = cacheSum;
}
}
}
}
}
}
void SourceView::GatherIpStats( uint64_t baseAddr, AddrStat& iptotalSrc, AddrStat& iptotalAsm, unordered_flat_map<uint64_t, AddrStat>& ipcountSrc, unordered_flat_map<uint64_t, AddrStat>& ipcountAsm, AddrStat& ipmaxSrc, AddrStat& ipmaxAsm, const Worker& worker, bool limitView, const View& view )
{
const auto slzReady = worker.AreSourceLocationZonesReady();

1
server/TracySourceView.hpp
View File

@ -164,6 +164,7 @@ private:
void GatherIpStats( uint64_t baseAddr, AddrStat& iptotalSrc, AddrStat& iptotalAsm, unordered_flat_map<uint64_t, AddrStat>& ipcountSrc, unordered_flat_map<uint64_t, AddrStat>& ipcountAsm, AddrStat& ipmaxSrc, AddrStat& ipmaxAsm, const Worker& worker, bool limitView, const View& view );
void GatherAdditionalIpStats( uint64_t baseAddr, AddrStat& iptotalSrc, AddrStat& iptotalAsm, unordered_flat_map<uint64_t, AddrStat>& ipcountSrc, unordered_flat_map<uint64_t, AddrStat>& ipcountAsm, AddrStat& ipmaxSrc, AddrStat& ipmaxAsm, const Worker& worker, bool limitView, const View& view );
uint32_t CountAsmIpStats( uint64_t baseAddr, const Worker& worker, bool limitView, const View& view );
void CountHwStats( unordered_flat_map<uint64_t, AddrStat>& hwCountSrc, unordered_flat_map<uint64_t, AddrStat>& hwCountAsm, AddrStat& hwMaxSrc, AddrStat& hwMaxAsm, Worker& worker, const View& view );
void SelectMicroArchitecture( const char* moniker );