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Send sampled call stacks.

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This commit is contained in:
Bartosz Taudul 2020-02-22 13:42:09 +01:00
parent f186540c4f
commit 9e9c7db5b1
3 changed files with 37 additions and 1 deletions
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26
client/TracySysTrace.cpp
View File

@ -77,6 +77,14 @@ struct ThreadTrace
uint32_t subProcessTag;
};
struct StackWalkEvent
{
uint64_t eventTimeStamp;
uint32_t stackProcess;
uint32_t stackThread;
uint64_t stack[192];
};
void WINAPI EventRecordCallback( PEVENT_RECORD record )
{
#ifdef TRACY_ON_DEMAND
@ -125,6 +133,24 @@ void WINAPI EventRecordCallback( PEVENT_RECORD record )
TracyLfqCommit;
}
break;
case 0xdef2fe46: // StackWalk Guid
if( hdr.EventDescriptor.Opcode == 32 )
{
const auto sw = (const StackWalkEvent*)record->UserData;
if( sw->stackProcess == s_pid )
{
const uint64_t sz = ( record->UserDataLength - 16 ) / 8;
auto trace = (uint64_t*)tracy_malloc( ( 1 + sz ) * sizeof( uint64_t ) );
memcpy( trace, &sz, sizeof( uint64_t ) );
memcpy( trace+1, sw->stack, sizeof( uint64_t ) * sz );
TracyLfqPrepare( QueueType::CallstackSample );
MemWrite( &item->callstackSample.time, sw->eventTimeStamp );
MemWrite( &item->callstackSample.thread, (uint64_t)sw->stackThread );
MemWrite( &item->callstackSample.ptr, (uint64_t)trace );
TracyLfqCommit;
}
}
break;
default:
break;
}

2
common/TracyProtocol.hpp
View File

@ -9,7 +9,7 @@ namespace tracy
constexpr unsigned Lz4CompressBound( unsigned isize ) { return isize + ( isize / 255 ) + 16; }
enum : uint32_t { ProtocolVersion = 25 };
enum : uint32_t { ProtocolVersion = 26 };
enum : uint32_t { BroadcastVersion = 0 };
using lz4sz_t = uint32_t;

10
common/TracyQueue.hpp
View File

@ -20,6 +20,7 @@ enum class QueueType : uint8_t
CallstackMemory,
Callstack,
CallstackAlloc,
CallstackSample,
FrameImage,
ZoneBegin,
ZoneBeginCallstack,
@ -290,6 +291,13 @@ struct QueueCallstackAlloc
uint64_t nativePtr;
};
struct QueueCallstackSample
{
int64_t time;
uint64_t thread;
uint64_t ptr;
};
struct QueueCallstackFrameSize
{
uint64_t ptr;
@ -406,6 +414,7 @@ struct QueueItem
QueueCallstackMemory callstackMemory;
QueueCallstack callstack;
QueueCallstackAlloc callstackAlloc;
QueueCallstackSample callstackSample;
QueueCallstackFrameSize callstackFrameSize;
QueueCallstackFrame callstackFrame;
QueueCrashReport crashReport;
@ -436,6 +445,7 @@ static constexpr size_t QueueDataSize[] = {
sizeof( QueueHeader ) + sizeof( QueueCallstackMemory ),
sizeof( QueueHeader ) + sizeof( QueueCallstack ),
sizeof( QueueHeader ) + sizeof( QueueCallstackAlloc ),
sizeof( QueueHeader ) + sizeof( QueueCallstackSample ),
sizeof( QueueHeader ) + sizeof( QueueFrameImage ),
sizeof( QueueHeader ) + sizeof( QueueZoneBegin ),
sizeof( QueueHeader ) + sizeof( QueueZoneBegin ), // callstack