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Trace vsyncs.

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This commit is contained in:
Bartosz Taudul 2020-06-27 19:56:23 +02:00
parent 1fff99ebb0
commit 0da6342a86
1 changed files with 162 additions and 7 deletions
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169
client/TracySysTrace.cpp
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@ -21,23 +21,28 @@
# include "../common/TracyAlloc.hpp"
# include "../common/TracySystem.hpp"
# include "TracyProfiler.hpp"
# include "TracyThread.hpp"
namespace tracy
{
DEFINE_GUID ( /* ce1dbfb4-137e-4da6-87b0-3f59aa102cbc */
PerfInfoGuid,
0xce1dbfb4,
0x137e,
0x4da6,
0x87, 0xb0, 0x3f, 0x59, 0xaa, 0x10, 0x2c, 0xbc
);
struct __declspec(uuid("{ce1dbfb4-137e-4da6-87b0-3f59aa102cbc}")) PERFINFOGUID;
static const auto PerfInfoGuid = __uuidof(PERFINFOGUID);
struct __declspec(uuid("{802EC45A-1E99-4B83-9920-87C98277BA9D}")) DXGKRNLGUID;
static const auto DxgKrnlGuid = __uuidof(DXGKRNLGUID);
static TRACEHANDLE s_traceHandle;
static TRACEHANDLE s_traceHandle2;
static EVENT_TRACE_PROPERTIES* s_prop;
static DWORD s_pid;
static EVENT_TRACE_PROPERTIES* s_propVsync;
static TRACEHANDLE s_traceHandleVsync;
static TRACEHANDLE s_traceHandleVsync2;
Thread* s_threadVsync = nullptr;
struct CSwitch
{
uint32_t newThreadId;
@ -85,6 +90,19 @@ struct StackWalkEvent
uint64_t stack[192];
};
struct VSyncInfo
{
void* dxgAdapter;
uint32_t vidPnTargetId;
uint64_t scannedPhysicalAddress;
uint32_t vidPnSourceId;
uint32_t frameNumber;
int64_t frameQpcTime;
void* hFlipDevice;
uint32_t flipType;
uint64_t flipFenceId;
};
#ifdef __CYGWIN__
extern "C" typedef DWORD (WINAPI *t_GetProcessIdOfThread)( HANDLE );
extern "C" typedef DWORD (WINAPI *t_GetProcessImageFileNameA)( HANDLE, LPSTR, DWORD );
@ -181,6 +199,133 @@ void WINAPI EventRecordCallback( PEVENT_RECORD record )
}
}
static constexpr const char* VsyncName[] = {
"[0] Vsync",
"[1] Vsync",
"[2] Vsync",
"[3] Vsync",
"[4] Vsync",
"[5] Vsync",
"[6] Vsync",
"[7] Vsync",
"Vsync"
};
static uint32_t VsyncTarget[8] = {};
void WINAPI EventRecordCallbackVsync( PEVENT_RECORD record )
{
#ifdef TRACY_ON_DEMAND
if( !GetProfiler().IsConnected() ) return;
#endif
const auto& hdr = record->EventHeader;
assert( hdr.ProviderId.Data1 == 0x802EC45A );
assert( hdr.EventDescriptor.Id == 0x0011 );
const auto vs = (const VSyncInfo*)record->UserData;
int idx = 0;
do
{
if( VsyncTarget[idx] == 0 )
{
VsyncTarget[idx] = vs->vidPnTargetId;
break;
}
else if( VsyncTarget[idx] == vs->vidPnTargetId )
{
break;
}
}
while( ++idx < 8 );
const char* name = "Vsync";
TracyLfqPrepare( QueueType::FrameMarkMsg );
MemWrite( &item->frameMark.time, hdr.TimeStamp.QuadPart );
MemWrite( &item->frameMark.name, uint64_t( VsyncName[idx] ) );
TracyLfqCommit;
}
static void SetupVsync()
{
const auto psz = sizeof( EVENT_TRACE_PROPERTIES ) + MAX_PATH;
s_propVsync = (EVENT_TRACE_PROPERTIES*)tracy_malloc( psz );
memset( s_propVsync, 0, sizeof( EVENT_TRACE_PROPERTIES ) );
s_propVsync->LogFileMode = EVENT_TRACE_REAL_TIME_MODE;
s_propVsync->Wnode.BufferSize = psz;
#ifdef TRACY_TIMER_QPC
s_propVsync->Wnode.ClientContext = 1;
#else
s_propVsync->Wnode.ClientContext = 3;
#endif
s_propVsync->LoggerNameOffset = sizeof( EVENT_TRACE_PROPERTIES );
strcpy( ((char*)s_propVsync) + sizeof( EVENT_TRACE_PROPERTIES ), "TracyVsync" );
auto backup = tracy_malloc( psz );
memcpy( backup, s_propVsync, psz );
const auto controlStatus = ControlTraceA( 0, "TracyVsync", s_propVsync, EVENT_TRACE_CONTROL_STOP );
if( controlStatus != ERROR_SUCCESS && controlStatus != ERROR_WMI_INSTANCE_NOT_FOUND )
{
tracy_free( backup );
tracy_free( s_propVsync );
return;
}
memcpy( s_propVsync, backup, psz );
tracy_free( backup );
const auto startStatus = StartTraceA( &s_traceHandleVsync, "TracyVsync", s_propVsync );
if( startStatus != ERROR_SUCCESS )
{
tracy_free( s_propVsync );
return;
}
EVENT_FILTER_EVENT_ID fe = {};
fe.FilterIn = TRUE;
fe.Count = 1;
fe.Events[0] = 0x0011; // VSyncDPC_Info
EVENT_FILTER_DESCRIPTOR desc = {};
desc.Ptr = (ULONGLONG)&fe;
desc.Size = sizeof( fe );
desc.Type = EVENT_FILTER_TYPE_EVENT_ID;
ENABLE_TRACE_PARAMETERS params = {};
params.Version = ENABLE_TRACE_PARAMETERS_VERSION_2;
params.EnableProperty = EVENT_ENABLE_PROPERTY_IGNORE_KEYWORD_0;
params.SourceId = s_propVsync->Wnode.Guid;
params.EnableFilterDesc = &desc;
params.FilterDescCount = 1;
uint64_t mask = 0x4000000000000001; // Microsoft_Windows_DxgKrnl_Performance | Base
EnableTraceEx2( s_traceHandleVsync, &DxgKrnlGuid, EVENT_CONTROL_CODE_ENABLE_PROVIDER, TRACE_LEVEL_INFORMATION, mask, mask, 0, &params );
char loggerName[MAX_PATH];
strcpy( loggerName, "TracyVsync" );
EVENT_TRACE_LOGFILEA log = {};
log.LoggerName = loggerName;
log.ProcessTraceMode = PROCESS_TRACE_MODE_REAL_TIME | PROCESS_TRACE_MODE_EVENT_RECORD | PROCESS_TRACE_MODE_RAW_TIMESTAMP;
log.EventRecordCallback = EventRecordCallbackVsync;
s_traceHandleVsync2 = OpenTraceA( &log );
if( s_traceHandleVsync2 == (TRACEHANDLE)INVALID_HANDLE_VALUE )
{
CloseTrace( s_traceHandleVsync );
tracy_free( s_propVsync );
return;
}
s_threadVsync = (Thread*)tracy_malloc( sizeof( Thread ) );
new(s_threadVsync) Thread( [] (void*) {
SetThreadName( "Tracy Vsync" );
ProcessTrace( &s_traceHandleVsync2, 1, nullptr, nullptr );
}, nullptr );
}
bool SysTraceStart( int64_t& samplingPeriod )
{
if( !_GetThreadDescription ) _GetThreadDescription = (t_GetThreadDescription)GetProcAddress( GetModuleHandleA( "kernel32.dll" ), "GetThreadDescription" );
@ -289,11 +434,21 @@ bool SysTraceStart( int64_t& samplingPeriod )
return false;
}
SetupVsync();
return true;
}
void SysTraceStop()
{
if( s_threadVsync )
{
CloseTrace( s_traceHandleVsync2 );
CloseTrace( s_traceHandleVsync );
s_threadVsync->~Thread();
tracy_free( s_threadVsync );
}
CloseTrace( s_traceHandle2 );
CloseTrace( s_traceHandle );
}