@@ -0,0 +1,119 @@
|
||||
//
|
||||
// Copyright (c) 2008 Advanced Micro Devices, Inc. All rights reserved.
|
||||
//
|
||||
|
||||
#include "os/os.hpp"
|
||||
#include "platform/perfctr.hpp"
|
||||
#include "device/gpu/gpudefs.hpp"
|
||||
#include "device/gpu/gputimestamp.hpp"
|
||||
#include "device/gpu/gpuvirtual.hpp"
|
||||
#include "device/gpu/gpucounters.hpp"
|
||||
|
||||
namespace gpu {
|
||||
|
||||
TimeStamp::TimeStamp(
|
||||
const VirtualGPU& gpu,
|
||||
gslMemObject gslMem,
|
||||
uint memOffset,
|
||||
address cpuAddr)
|
||||
: gpu_(gpu)
|
||||
, gslMem_(gslMem)
|
||||
, memOffset_(memOffset)
|
||||
{
|
||||
values_ = reinterpret_cast<volatile uint64_t*>(cpuAddr + memOffset);
|
||||
}
|
||||
|
||||
TimeStamp::~TimeStamp()
|
||||
{
|
||||
}
|
||||
|
||||
void
|
||||
TimeStamp::begin(bool sdma)
|
||||
{
|
||||
if (!flags_.beginIssued_) {
|
||||
gpu().writeTimer(sdma, gslMem_,
|
||||
memOffset_ + CommandStartTime * sizeof(uint64_t));
|
||||
flags_.beginIssued_ = true;
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
TimeStamp::end(bool sdma)
|
||||
{
|
||||
CondLog(!flags_.beginIssued_, "We didn't issue a begin operation!");
|
||||
gpu().writeTimer(sdma, gslMem_,
|
||||
memOffset_ + CommandEndTime * sizeof(uint64_t));
|
||||
flags_.endIssued_ = true;
|
||||
flags_.sdma_ = sdma;
|
||||
}
|
||||
|
||||
inline void
|
||||
SetValue(uint64_t* time, uint64_t val, double nanos)
|
||||
{
|
||||
*time = static_cast<uint64_t>(static_cast<double>(val) * nanos);
|
||||
}
|
||||
|
||||
void
|
||||
TimeStamp::value(uint64_t* startTime, uint64_t* endTime)
|
||||
{
|
||||
CondLog(!flags_.endIssued_, "We didn't send the counter end operation!");
|
||||
const double NanoSecondsPerTick = gpu_.dev().getAttribs().nanoSecondsPerTick;
|
||||
|
||||
SetValue(startTime, values_[CommandStartTime], NanoSecondsPerTick);
|
||||
SetValue(endTime, values_[CommandEndTime], NanoSecondsPerTick);
|
||||
}
|
||||
|
||||
TimeStampCache::~TimeStampCache()
|
||||
{
|
||||
// Release all time stamp objects from the cache
|
||||
for (uint i = 0; i < freedTS_.size(); ++i) {
|
||||
delete freedTS_[i];
|
||||
}
|
||||
freedTS_.clear();
|
||||
|
||||
// Release all memory objects
|
||||
for (uint i = 0; i < tsBuf_.size(); ++i) {
|
||||
tsBuf_[i]->unmap(&gpu_);
|
||||
delete tsBuf_[i];
|
||||
}
|
||||
tsBuf_.clear();
|
||||
|
||||
}
|
||||
|
||||
TimeStamp*
|
||||
TimeStampCache::allocTimeStamp()
|
||||
{
|
||||
TimeStamp* ts = NULL;
|
||||
if (0 != freedTS_.size()) {
|
||||
ts = freedTS_.back();
|
||||
freedTS_.pop_back();
|
||||
}
|
||||
|
||||
if (NULL == ts) {
|
||||
if ((tsBufCpu_ == NULL) || ((tsOffset_ + TimerSlotSize) > TimerBufSize)) {
|
||||
Memory* buf = new Memory(gpu_.dev(), TimerBufSize);
|
||||
if (buf == NULL || !buf->create(Resource::Remote)) {
|
||||
return NULL;
|
||||
}
|
||||
tsBufCpu_ = reinterpret_cast<address>(buf->map(&gpu_));
|
||||
memset(tsBufCpu_, 0, TimerBufSize);
|
||||
tsOffset_ = 0;
|
||||
tsBuf_.push_back(buf);
|
||||
}
|
||||
// Allocate a TimeStamp object
|
||||
ts = new TimeStamp(gpu_, tsBuf_[(tsBuf_.size() - 1)]->gslResource(),
|
||||
tsOffset_, tsBufCpu_);
|
||||
// Create a timestamp
|
||||
if (ts == NULL) {
|
||||
return NULL;
|
||||
}
|
||||
tsOffset_ += TimerSlotSize;
|
||||
}
|
||||
|
||||
// Set this timestamp into DRM profile mode if it was requested
|
||||
ts->clearStates();
|
||||
|
||||
return ts;
|
||||
}
|
||||
|
||||
} // namespace gpu
|
||||
Reference in New Issue
Block a user