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Dosyalar
cd2ff0250ef0b80ed9a68cf5d6f4c2a4ef2908e7
rocm-systems/src/core/hsa/queues/queue.cpp
T
Ian Trowbridge cd2ff0250e SWDEV-474739: Added flag to optionally remove serialization for counter collection mode 
Change-Id: I2e91fd51287fe923ec6a97b491f84f0dd9d51f62
2024-08-07 11:36:16 -05:00

872 satır
38 KiB
C++
Ham Suçlama Geçmiş

/* Copyright (c) 2022 Advanced Micro Devices, Inc.
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE. */
#include "queue.h"
#include <atomic>
#include <map>
#include <mutex>
#include <optional>
#include <string>
#include <vector>
#include <utility>
#include <algorithm>
#include <numa.h>
#include <unordered_map>
#include "rocprofiler.h"
#include "src/api/rocprofiler_singleton.h"
#include "src/core/hsa/packets/packets_generator.h"
#include "src/core/hsa/hsa_support.h"
#include "src/utils/helper.h"
#include "src/core/isa_capture/code_object_track.hpp"
#define CHECK_HSA_STATUS(msg, status) \
do { \
if ((status) != HSA_STATUS_SUCCESS && status != HSA_STATUS_INFO_BREAK) { \
try { \
const char* emsg = nullptr; \
hsa_status_string(status, &emsg); \
if (!emsg) emsg = "<Unknown HSA Error>"; \
std::cerr << msg << std::endl; \
std::cerr << emsg << std::endl; \
} catch (std::exception & e) { \
} \
abort(); \
} \
} while (0)
#define __NR_gettid 186
#define SIGNAL_DELAY_THRESHOLD 3
std::atomic<uint32_t> ACTIVE_INTERRUPT_SIGNAL_COUNT{0};
namespace rocprofiler {
typedef std::vector<hsa_ven_amd_aqlprofile_info_data_t> pmc_callback_data_t;
static inline bool IsEventMatch(const hsa_ven_amd_aqlprofile_event_t& event1,
const hsa_ven_amd_aqlprofile_event_t& event2) {
return (event1.block_name == event2.block_name) && (event1.block_index == event2.block_index) &&
(event1.counter_id == event2.counter_id);
}
typedef std::vector<hsa_ven_amd_aqlprofile_info_data_t> att_trace_callback_data_t;
void AddKernelName(uint64_t handle, std::string name) {
HSASupport_Singleton& hsasupport_singleton = HSASupport_Singleton::GetInstance();
std::lock_guard<std::mutex> lock(hsasupport_singleton.ksymbol_map_lock);
hsasupport_singleton.ksymbols->emplace(handle, name);
}
void RemoveKernelName(uint64_t handle) {
HSASupport_Singleton& hsasupport_singleton = HSASupport_Singleton::GetInstance();
std::lock_guard<std::mutex> lock(hsasupport_singleton.ksymbol_map_lock);
hsasupport_singleton.ksymbols->erase(handle);
}
std::string GetKernelNameFromKsymbols(uint64_t handle) {
HSASupport_Singleton& hsasupport_singleton = HSASupport_Singleton::GetInstance();
std::lock_guard<std::mutex> lock(hsasupport_singleton.ksymbol_map_lock);
if (hsasupport_singleton.ksymbols->find(handle) != hsasupport_singleton.ksymbols->end())
return hsasupport_singleton.ksymbols->at(handle);
else
return "Unknown Kernel!";
}
void AddKernelNameWithDispatchID(std::string name, uint64_t id) {
HSASupport_Singleton& hsasupport_singleton = HSASupport_Singleton::GetInstance();
std::unique_lock<std::shared_mutex> lock(hsasupport_singleton.kernel_names_map_lock);
(*hsasupport_singleton.kernel_names)[id] = name;
}
std::string GetKernelNameUsingDispatchID(uint64_t given_id) {
HSASupport_Singleton& hsasupport_singleton = HSASupport_Singleton::GetInstance();
std::shared_lock<std::shared_mutex> lock(hsasupport_singleton.kernel_names_map_lock);
auto it = hsasupport_singleton.kernel_names->find(given_id);
if (it != hsasupport_singleton.kernel_names->end())
return it->second;
return "Unknown Kernel!";
}
struct kernel_descriptor_t {
uint8_t reserved0[16];
int64_t kernel_code_entry_byte_offset;
uint8_t reserved1[20];
uint32_t compute_pgm_rsrc3;
uint32_t compute_pgm_rsrc1;
uint32_t compute_pgm_rsrc2;
uint16_t kernel_code_properties;
uint8_t reserved2[6];
};
// AMD Compute Program Resource Register Three.
using amd_compute_pgm_rsrc_three32_t = uint32_t;
enum amd_compute_gfx9_pgm_rsrc_three_t {
AMD_HSA_BITS_CREATE_ENUM_ENTRIES(AMD_COMPUTE_PGM_RSRC_THREE_ACCUM_OFFSET, 0, 5),
AMD_HSA_BITS_CREATE_ENUM_ENTRIES(AMD_COMPUTE_PGM_RSRC_THREE_TG_SPLIT, 16, 1)
};
enum amd_compute_gfx10_gfx11_pgm_rsrc_three_t {
AMD_HSA_BITS_CREATE_ENUM_ENTRIES(AMD_COMPUTE_PGM_RSRC_THREE_SHARED_VGPR_COUNT, 0, 4),
AMD_HSA_BITS_CREATE_ENUM_ENTRIES(AMD_COMPUTE_PGM_RSRC_THREE_INST_PREF_SIZE, 4, 6),
AMD_HSA_BITS_CREATE_ENUM_ENTRIES(AMD_COMPUTE_PGM_RSRC_THREE_TRAP_ON_START, 10, 1),
AMD_HSA_BITS_CREATE_ENUM_ENTRIES(AMD_COMPUTE_PGM_RSRC_THREE_TRAP_ON_END, 11, 1),
AMD_HSA_BITS_CREATE_ENUM_ENTRIES(AMD_COMPUTE_PGM_RSRC_THREE_IMAGE_OP, 31, 1)
};
// Kernel code properties.
enum amd_kernel_code_property_t {
AMD_HSA_BITS_CREATE_ENUM_ENTRIES(AMD_KERNEL_CODE_PROPERTY_ENABLE_SGPR_PRIVATE_SEGMENT_BUFFER, 0,
1),
AMD_HSA_BITS_CREATE_ENUM_ENTRIES(AMD_KERNEL_CODE_PROPERTY_ENABLE_SGPR_DISPATCH_PTR, 1, 1),
AMD_HSA_BITS_CREATE_ENUM_ENTRIES(AMD_KERNEL_CODE_PROPERTY_ENABLE_SGPR_QUEUE_PTR, 2, 1),
AMD_HSA_BITS_CREATE_ENUM_ENTRIES(AMD_KERNEL_CODE_PROPERTY_ENABLE_SGPR_KERNARG_SEGMENT_PTR, 3, 1),
AMD_HSA_BITS_CREATE_ENUM_ENTRIES(AMD_KERNEL_CODE_PROPERTY_ENABLE_SGPR_DISPATCH_ID, 4, 1),
AMD_HSA_BITS_CREATE_ENUM_ENTRIES(AMD_KERNEL_CODE_PROPERTY_ENABLE_SGPR_FLAT_SCRATCH_INIT, 5, 1),
AMD_HSA_BITS_CREATE_ENUM_ENTRIES(AMD_KERNEL_CODE_PROPERTY_ENABLE_SGPR_PRIVATE_SEGMENT_SIZE, 6, 1),
AMD_HSA_BITS_CREATE_ENUM_ENTRIES(AMD_KERNEL_CODE_PROPERTY_RESERVED0, 7, 3),
AMD_HSA_BITS_CREATE_ENUM_ENTRIES(AMD_KERNEL_CODE_PROPERTY_ENABLE_WAVEFRONT_SIZE32, 10,
1), // GFX10+
AMD_HSA_BITS_CREATE_ENUM_ENTRIES(AMD_KERNEL_CODE_PROPERTY_USES_DYNAMIC_STACK, 11, 1),
AMD_HSA_BITS_CREATE_ENUM_ENTRIES(AMD_KERNEL_CODE_PROPERTY_RESERVED1, 12, 4),
};
static const kernel_descriptor_t* GetKernelCode(uint64_t kernel_object) {
const kernel_descriptor_t* kernel_code = NULL;
rocprofiler::HSASupport_Singleton& hsasupport_singleton =
rocprofiler::HSASupport_Singleton::GetInstance();
hsa_status_t status =
hsasupport_singleton.GetHSALoaderApi().hsa_ven_amd_loader_query_host_address(
reinterpret_cast<const void*>(kernel_object),
reinterpret_cast<const void**>(&kernel_code));
if (HSA_STATUS_SUCCESS != status) {
kernel_code = reinterpret_cast<kernel_descriptor_t*>(kernel_object);
}
return kernel_code;
}
static uint32_t arch_vgpr_count(const std::string_view& name,
const kernel_descriptor_t& kernel_code) {
if (strcmp(name.data(), "gfx90a") == 0 || strncmp(name.data(), "gfx94", 5) == 0)
return (AMD_HSA_BITS_GET(kernel_code.compute_pgm_rsrc3,
AMD_COMPUTE_PGM_RSRC_THREE_ACCUM_OFFSET) +
1) *
4;
return (AMD_HSA_BITS_GET(kernel_code.compute_pgm_rsrc1,
AMD_COMPUTE_PGM_RSRC_ONE_GRANULATED_WORKITEM_VGPR_COUNT) +
1) *
(AMD_HSA_BITS_GET(kernel_code.kernel_code_properties,
AMD_KERNEL_CODE_PROPERTY_ENABLE_WAVEFRONT_SIZE32)
? 8
: 4);
}
static uint32_t accum_vgpr_count(const std::string_view& name,
const kernel_descriptor_t& kernel_code) {
std::string info_name(name.data(), name.size());
if (strcmp(info_name.c_str(), "gfx908") == 0) return arch_vgpr_count(name, kernel_code);
if (strcmp(info_name.c_str(), "gfx90a") == 0 || strncmp(info_name.c_str(), "gfx94", 5) == 0)
return (AMD_HSA_BITS_GET(kernel_code.compute_pgm_rsrc1,
AMD_COMPUTE_PGM_RSRC_ONE_GRANULATED_WORKITEM_VGPR_COUNT) +
1) *
8 -
arch_vgpr_count(name, kernel_code);
return 0;
}
static uint32_t sgpr_count(const std::string_view& name, const kernel_descriptor_t& kernel_code) {
// GFX10 and later always allocate 128 sgprs.
// TODO(srnagara): Recheck the extraction of gfxip from gpu name
const char* name_data = name.data();
const size_t gfxip_label_len = std::min(name.size() - 2, size_t{63});
if (gfxip_label_len > 0 && strnlen(name_data, gfxip_label_len + 1) >= gfxip_label_len) {
char gfxip[gfxip_label_len + 1];
memcpy(gfxip, name_data, gfxip_label_len);
gfxip[gfxip_label_len] = '\0';
// TODO(srnagara): Check if it is hardcoded
if (std::stoi(&gfxip[3]) >= 10) return 128;
return (AMD_HSA_BITS_GET(kernel_code.compute_pgm_rsrc1,
AMD_COMPUTE_PGM_RSRC_ONE_GRANULATED_WAVEFRONT_SGPR_COUNT) /
2 +
1) *
16;
}
return 0;
}
rocprofiler_kernel_properties_t set_kernel_properties(hsa_kernel_dispatch_packet_t packet,
hsa_agent_t agent) {
const uint64_t kernel_object = packet.kernel_object;
rocprofiler_kernel_properties_t kernel_properties_ptr = {};
const kernel_descriptor_t* kernel_code = GetKernelCode(kernel_object);
uint64_t grid_size = packet.grid_size_x * packet.grid_size_y * packet.grid_size_z;
if (grid_size > UINT32_MAX) abort();
kernel_properties_ptr.grid_size = grid_size;
uint64_t workgroup_size =
packet.workgroup_size_x * packet.workgroup_size_y * packet.workgroup_size_z;
if (workgroup_size > UINT32_MAX) abort();
kernel_properties_ptr.workgroup_size = (uint32_t)workgroup_size;
kernel_properties_ptr.lds_size = packet.group_segment_size;
kernel_properties_ptr.scratch_size = packet.private_segment_size;
HSAAgentInfo agent_info = HSASupport_Singleton::GetInstance().GetHSAAgentInfo(agent.handle);
kernel_properties_ptr.arch_vgpr_count =
arch_vgpr_count(agent_info.GetDeviceInfo().getName(), *kernel_code);
kernel_properties_ptr.accum_vgpr_count =
accum_vgpr_count(agent_info.GetDeviceInfo().getName(), *kernel_code);
kernel_properties_ptr.sgpr_count = sgpr_count(agent_info.GetDeviceInfo().getName(), *kernel_code);
kernel_properties_ptr.wave_size =
AMD_HSA_BITS_GET(kernel_code->kernel_code_properties,
AMD_KERNEL_CODE_PROPERTY_ENABLE_WAVEFRONT_SIZE32)
? 32
: 64;
kernel_properties_ptr.signal_handle = packet.completion_signal.handle;
return kernel_properties_ptr;
}
namespace queue {
hsa_status_t pmcCallback(hsa_ven_amd_aqlprofile_info_type_t info_type,
hsa_ven_amd_aqlprofile_info_data_t* info_data, void* data) {
hsa_status_t status = HSA_STATUS_SUCCESS;
pmc_callback_data_t* passed_data = reinterpret_cast<pmc_callback_data_t*>(data);
pmc_callback_data_t::iterator data_it;
if (info_data->sample_id == 0) {
passed_data->emplace_back(*info_data);
} else {
for (data_it = passed_data->begin(); data_it != passed_data->end(); ++data_it) {
if (info_type == HSA_VEN_AMD_AQLPROFILE_INFO_PMC_DATA) {
if (IsEventMatch(info_data->pmc_data.event, data_it->pmc_data.event)) {
data_it->pmc_data.result += info_data->pmc_data.result;
}
}
}
}
return status;
}
void AddRecordCounters(rocprofiler_record_profiler_t* record, const pending_signal_t* pending)
{
auto* context = pending->profile->context.get();
record->counters_count =
rocprofiler_record_counters_instances_count_t{context->metrics_list.size()};
size_t counters_list_size =
record->counters_count.value * sizeof(rocprofiler_record_counter_instance_t);
rocprofiler_record_counter_instance_t* counters =
static_cast<rocprofiler_record_counter_instance_t*>(malloc(counters_list_size));
for (size_t i = 0; i < context->metrics_list.size(); i++) {
const rocprofiler::Metric* metric = context->metrics_list[i];
double value = 0;
std::string metric_name = metric->GetName();
auto it = context->results_map.find(metric_name);
if (it != context->results_map.end())
value = it->second->val_double;
counters[i] = (rocprofiler_record_counter_instance_t{
// TODO(aelwazir): Moving to span once C++20 is adopted, strdup can be
// removed after that
rocprofiler_counter_id_t{rocprofiler::profiler::GetCounterID(metric_name)},
rocprofiler_record_counter_value_t{value}});
}
record->counters = counters;
rocprofiler::Session* session =
rocprofiler::ROCProfiler_Singleton::GetInstance().GetSession(pending->session_id);
void* initial_handle = const_cast<rocprofiler_record_counter_instance_t*>(record->counters);
if (session->FindBuffer(pending->buffer_id)) {
Memory::GenericBuffer* buffer = session->GetBuffer(pending->buffer_id);
buffer->AddRecord(*record, record->counters, counters_list_size,
[initial_handle](auto& record, const void* data) {
if (record.counters == initial_handle && data != initial_handle) {
free(initial_handle);
}
record.counters =
static_cast<const rocprofiler_record_counter_instance_t*>(data);
});
}
// Reset counters
for (auto& [key, value] : context->results_map)
value->val_double = 0;
for (auto* res : context->results_list)
res->val_double = 0;
}
/*
Function name: enable_dispatch
Argument : pointer to the the Queue class object
Description: This function asserts if the mutex is not already
locked by the calling thread. It enable the kernel dispatch
from the given queue by setting its block signal to 0.
Finally, it updates the serializer queue with the given queue.
*/
void enable_dispatch(Queue* dispatch_queue) {
// ToDO(srnagara): Find a way to assert if the mutex is already locked.
// assert(!rocmtools::GetSerializer()->serializer_mutex.try_lock());
profiler_serializer_t& serializer =
rocprofiler::ROCProfiler_Singleton::GetInstance().GetSerializer();
assert(serializer.dispatch_queue == nullptr);
HSASupport_Singleton::GetInstance().GetCoreApiTable().hsa_signal_store_screlease_fn(
dispatch_queue->GetBlockSignal(), 0);
serializer.dispatch_queue = dispatch_queue;
}
/*
Function name: AsyncSignalReadyHandler
Argument: hsa signal value for which the async handler was called
and pointer to the data.
Description: This async handler is invoked when the queue is ready
to launch a kernel. It first, resets the queue's ready signal to 1.
It then checks if there is any queue which has a kernel currently dispatched.
If yes, it pushes the queue to the dispatch ready else
it enables the dispatch for the given queue.
Return : It returns true since we need this handler to be invoked
each time the queue's ready signal (used for entire queue) is set to 0.
If we had a separate signal for every dispatch in the queue then we don't
need this to be invoked more than once in which case we would return false.
*/
bool AsyncSignalReadyHandler(hsa_signal_value_t signal_value, void* data) {
HSASupport_Singleton& hsasupport_singleton = HSASupport_Singleton::GetInstance();
profiler_serializer_t& serializer =
rocprofiler::ROCProfiler_Singleton::GetInstance().GetSerializer();
std::lock_guard<std::mutex> serializer_lock(serializer.serializer_mutex);
auto queue = static_cast<Queue*>(data);
std::lock_guard<std::mutex> queue_lock(queue->qw_mutex);
/* If is_destroy is set by the destructor then unreg_async_handler is set
ready signal is destroyed and
the destructor is notified and the handler is unregistered by returning false
*/
if (queue->state == is_destroy::to_destroy) {
{
queue->state = done_destroy;
hsasupport_singleton.GetCoreApiTable().hsa_signal_destroy_fn(queue->GetReadySignal());
}
queue->cv_ready_signal.notify_all();
return false;
}
queue->cv_ready_signal.notify_all();
hsasupport_singleton.GetCoreApiTable().hsa_signal_store_screlease_fn(queue->GetReadySignal(), 1);
if (serializer.dispatch_queue == nullptr)
enable_dispatch(queue);
else
serializer.dispatch_ready.push_back(queue);
return true;
}
/*
Function name: SignalAsyncReadyHandler.
Argument : The signal value and pointer to the data to
pass to the handler.
Description : Registers a asynchronous callback function
for the ready signal to be invoked when it goes to zero.
*/
void SignalAsyncReadyHandler(const hsa_signal_t& signal, void* data) {
hsa_status_t status =
HSASupport_Singleton::GetInstance().GetAmdExtTable().hsa_amd_signal_async_handler_fn(
signal, HSA_SIGNAL_CONDITION_EQ, 0, AsyncSignalReadyHandler, data);
if (status != HSA_STATUS_SUCCESS) fatal("hsa_amd_signal_async_handler failed");
}
bool GetNoSerialization() {
const static bool no_serialization = []() {
const char* str = getenv("ROCPROFILER_NO_SERIALIZATION");
if (str != NULL) return (atol(str) > 0);
return false;
}();
return no_serialization;
}
bool AsyncSignalHandler(hsa_signal_value_t signal_value, void* data)
{
auto queue_info_session = static_cast<queue_info_session_t*>(data);
if (!queue_info_session) return true;
rocprofiler::ROCProfiler_Singleton& rocprofiler_singleton =
rocprofiler::ROCProfiler_Singleton::GetInstance();
rocprofiler::HSASupport_Singleton& hsasupport_singleton =
rocprofiler::HSASupport_Singleton::GetInstance();
rocprofiler::Session* session = rocprofiler_singleton.GetSession(queue_info_session->session_id);
if (!session) return true;
std::lock_guard<std::mutex> lock(session->GetSessionLock());
rocprofiler::profiler::Profiler* profiler = session->GetProfiler();
if (!profiler) return true;
auto pending_signals = profiler->MovePendingSignals(queue_info_session->writer_id);
for (auto& pending : pending_signals)
{
if (hsasupport_singleton.GetCoreApiTable().hsa_signal_load_relaxed_fn(pending->new_signal))
return true;
hsa_amd_profiling_dispatch_time_t time;
hsasupport_singleton.GetAmdExtTable().hsa_amd_profiling_get_dispatch_time_fn(
queue_info_session->agent, pending->new_signal, &time);
{
std::lock_guard<std::mutex> lock(hsasupport_singleton.signals_timestamps_map_lock);
hsasupport_singleton.signals_timestamps[pending->original_signal.handle].time =
std::make_optional(time);
}
//hsasupport_singleton.GetCoreApiTable().hsa_signal_destroy_fn(pending->new_signal);
uint32_t record_count = 1;
uint32_t xcc_count = queue_info_session->xcc_count;
static thread_local bool is_individual_xcc_mode = [xcc_count]() {
if (xcc_count < 2) return false;
const char* str = getenv("ROCPROFILER_INDIVIDUAL_XCC_MODE");
if (str != NULL) return (atol(str) > 0);
return false;
}();
if (is_individual_xcc_mode) record_count = xcc_count;
for (uint32_t xcc_id = 0; xcc_id < record_count; xcc_id++) {
rocprofiler_record_profiler_t record{};
// TODO: (sauverma) gpu-id will need to support xcc like so- 1.1, 1.2, 1.3 ... 1.5 for
// different xcc
record.gpu_id = rocprofiler_agent_id_t{(uint64_t)queue_info_session->gpu_index};
record.kernel_properties = pending->kernel_properties;
record.thread_id = rocprofiler_thread_id_t{pending->thread_id};
record.queue_idx = rocprofiler_queue_index_t{pending->queue_index};
record.timestamps = rocprofiler_record_header_timestamp_t{time.start, time.end};
record.queue_id = rocprofiler_queue_id_t{queue_info_session->queue_id};
record.xcc_index = xcc_id;
// Kernel Descriptor is the right record id generated in the WriteInterceptor function and
// will be used to handle the kernel name of that dispatch
record.header = rocprofiler_record_header_t{
ROCPROFILER_PROFILER_RECORD, rocprofiler_record_id_t{pending->kernel_descriptor}};
record.kernel_id = rocprofiler_kernel_id_t{pending->kernel_descriptor};
record.correlation_id = rocprofiler_correlation_id_t{pending->correlation_id};
if (pending->session_id.handle == 0) {
pending->session_id = rocprofiler_singleton.GetCurrentSessionId();
}
if (pending->counters_count > 0 && pending->profile != nullptr)
{
auto* context = pending->profile->context.get();
auto* profile = pending->profile->profile.get();
if (xcc_id == 0 && context && context->metrics_list.size() > 0 && profile)
rocprofiler::metrics::GetCounterData(profile, queue_info_session->agent,
context->results_list);
if (is_individual_xcc_mode)
rocprofiler::metrics::GetCountersAndMetricResultsByXcc(
xcc_id, context->results_list, context->results_map,
context->metrics_list, time.end - time.start);
else
rocprofiler::metrics::GetMetricsData(context->results_map,
context->metrics_list,
time.end - time.start);
AddRecordCounters(&record, pending.get());
} else {
if (session->FindBuffer(pending->buffer_id)) {
Memory::GenericBuffer* buffer = session->GetBuffer(pending->buffer_id);
buffer->AddRecord(record);
}
}
}
auto* profile = pending->profile ? pending->profile->profile.get() : nullptr;
if (pending->counters_count > 0 && profile && profile->events)
{
Packet::AQLPacketProfile::MoveToCache(queue_info_session->agent, std::move(pending->profile));
if (!GetNoSerialization()) {
profiler_serializer_t& serializer =
rocprofiler::ROCProfiler_Singleton::GetInstance().GetSerializer();
std::lock_guard<std::mutex> serializer_lock(serializer.serializer_mutex);
assert(serializer.dispatch_queue != nullptr);
hsasupport_singleton.GetCoreApiTable().hsa_signal_store_screlease_fn(
queue_info_session->block_signal, 1);
serializer.dispatch_queue = nullptr;
if (!serializer.dispatch_ready.empty())
{
Queue* queue = serializer.dispatch_ready.front();
serializer.dispatch_ready.erase(serializer.dispatch_ready.begin());
enable_dispatch(queue);
}
}
}
if (pending->new_signal.handle)
hsasupport_singleton.GetCoreApiTable().hsa_signal_destroy_fn(pending->new_signal);
if (queue_info_session->interrupt_signal.handle)
hsasupport_singleton.GetCoreApiTable().hsa_signal_destroy_fn(
queue_info_session->interrupt_signal);
if (pending->counters_count > 0 && profile && profile->events)
ACTIVE_INTERRUPT_SIGNAL_COUNT.fetch_sub(1);
}
delete queue_info_session;
return false;
}
void SignalAsyncHandler(const hsa_signal_t& signal, void* data) {
hsa_status_t status =
HSASupport_Singleton::GetInstance().GetAmdExtTable().hsa_amd_signal_async_handler_fn(
signal, HSA_SIGNAL_CONDITION_EQ, 0, AsyncSignalHandler, data);
CHECK_HSA_STATUS("Error: hsa_amd_signal_async_handler failed", status);
}
void CreateSignal(uint32_t attribute, hsa_signal_t* signal) {
HSASupport_Singleton::GetInstance().CreateSignal(attribute, signal);
}
rocprofiler_session_id_t Queue::session_id = rocprofiler_session_id_t{0};
std::shared_mutex Queue::session_id_mutex;
// Counter Names declaration
std::vector<std::string> session_data;
rocprofiler_buffer_id_t buffer_id;
uint64_t session_data_count = 0;
bool is_counter_collection_mode = false;
bool is_timestamp_collection_mode = false;
bool is_att_collection_mode = false;
bool is_pc_sampling_collection_mode = false;
uint32_t replay_mode_count = 0;
rocprofiler::Session* session = nullptr;
void Queue::ResetSessionID(rocprofiler_session_id_t id)
{
std::unique_lock<std::shared_mutex> session_id_lock(session_id_mutex);
session_id = id;
session = nullptr;
}
bool Queue::CheckNeededProfileConfigs()
{
std::unique_lock<std::shared_mutex> session_id_lock(session_id_mutex);
is_counter_collection_mode = false;
is_timestamp_collection_mode = false;
is_att_collection_mode = false;
is_pc_sampling_collection_mode = false;
session_data_count = 0;
// Getting Session ID
rocprofiler::ROCProfiler_Singleton& rocprofiler_singleton =
rocprofiler::ROCProfiler_Singleton::GetInstance();
session_id = rocprofiler_singleton.GetCurrentSessionId();
// Getting Counters count from the Session
if (session_id.handle == 0) return false;
session = rocprofiler_singleton.GetSession(session_id);
if (session && session->FindFilterWithKind(ROCPROFILER_COUNTERS_COLLECTION)) {
rocprofiler_filter_id_t filter_id =
session->GetFilterIdWithKind(ROCPROFILER_COUNTERS_COLLECTION);
rocprofiler::Filter* filter = session->GetFilter(filter_id);
session_data = filter->GetCounterData();
is_counter_collection_mode = true;
session_data_count = session_data.size();
buffer_id = filter->GetBufferId();
} else if (session &&
session->FindFilterWithKind(ROCPROFILER_DISPATCH_TIMESTAMPS_COLLECTION)) {
is_timestamp_collection_mode = true;
rocprofiler_filter_id_t filter_id =
session->GetFilterIdWithKind(ROCPROFILER_DISPATCH_TIMESTAMPS_COLLECTION);
rocprofiler::Filter* filter = session->GetFilter(filter_id);
buffer_id = filter->GetBufferId();
} else if (session && session->FindFilterWithKind(ROCPROFILER_ATT_TRACE_COLLECTION)) {
rocprofiler_filter_id_t filter_id =
session->GetFilterIdWithKind(ROCPROFILER_ATT_TRACE_COLLECTION);
rocprofiler::Filter* filter = session->GetFilter(filter_id);
auto* att_tracer = session->GetAttTracer();
att_tracer->SetParameters(filter->GetAttParametersData());
is_att_collection_mode = true;
buffer_id = session->GetFilter(session->GetFilterIdWithKind(ROCPROFILER_ATT_TRACE_COLLECTION))
->GetBufferId();
att_tracer->SetCountersNames(filter->GetCounterData());
att_tracer->SetKernelsNames(std::get<std::vector<std::string>>(
filter->GetProperty(ROCPROFILER_FILTER_KERNEL_NAMES)
));
att_tracer->SetDispatchIds(std::get<std::vector<std::pair<uint64_t,uint64_t>>>(
filter->GetProperty(ROCPROFILER_FILTER_DISPATCH_IDS)
));
} else if (session && session->FindFilterWithKind(ROCPROFILER_PC_SAMPLING_COLLECTION)) {
is_pc_sampling_collection_mode = true;
}
return true;
}
std::atomic<uint32_t> WRITER_ID{0};
/**
* @brief This function is a queue write interceptor. It intercepts the
* packet write function. Creates an instance of packet class with the raw
* pointer. invoke the populate function of the packet class which returns a
* pointer to the packet. This packet is written into the queue by this
* interceptor by invoking the writer function.
*/
void Queue::WriteInterceptor(const void* packets, uint64_t pkt_count, uint64_t user_pkt_index,
void* data, hsa_amd_queue_intercept_packet_writer writer)
{
const Packet::packet_t* packets_arr = reinterpret_cast<const Packet::packet_t*>(packets);
std::vector<Packet::packet_t> transformed_packets;
std::shared_lock<std::shared_mutex> session_id_lock(session_id_mutex);
if (session == nullptr || session_id.handle == 0 ||
session_id.handle != rocprofiler::ROCProfiler_Singleton::GetInstance().GetCurrentSessionId().handle)
{
session_id_lock.unlock();
CheckNeededProfileConfigs();
session_id_lock.lock();
}
auto& queue_info = *reinterpret_cast<Queue*>(data);
std::unique_lock<std::mutex> lk(queue_info.qw_mutex);
if (session_id.handle > 0 && pkt_count > 0 &&
(is_counter_collection_mode || is_timestamp_collection_mode ||
is_pc_sampling_collection_mode) &&
session) {
// hsa_ven_amd_aqlprofile_profile_t* profile;
// Searching accross all the packets given during this write
for (size_t i = 0; i < pkt_count; ++i) {
auto& original_packet = static_cast<const hsa_barrier_and_packet_t*>(packets)[i];
// +Skip kernel dispatch IDs not wanted
// Skip packets other than kernel dispatch packets.
if (session_id.handle == 0 || !Packet::IsDispatchPacket(original_packet)) {
transformed_packets.emplace_back(packets_arr[i]);
continue;
}
std::unique_ptr<Packet::AQLPacketProfile> profile_packet{nullptr};
// If counters found in the session
if (session_data_count > 0 && is_counter_collection_mode) {
// Get the PM4 Packets using packets_generator
profile_packet = Packet::AQLPacketProfile::MoveFromCache(queue_info.GetGPUAgent());
if (!profile_packet)
profile_packet = Packet::InitializeAqlPackets(
queue_info.GetCPUAgent(), queue_info.GetGPUAgent(), session_data, session_id);
if (ACTIVE_INTERRUPT_SIGNAL_COUNT.fetch_add(1) >= SIGNAL_DELAY_THRESHOLD)
{
queue_info.cv_ready_signal.wait_for(lk, std::chrono::microseconds(1), [] {
return ACTIVE_INTERRUPT_SIGNAL_COUNT.load() <= SIGNAL_DELAY_THRESHOLD;
});
}
}
if (profile_packet.get() && !GetNoSerialization())
{
hsa_signal_t ready_signal = queue_info.GetReadySignal();
hsa_signal_t block_signal = queue_info.GetBlockSignal();
/*
Creates a barrier packet with its completion signal as the
queue's ready signal.
*/
Packet::CreateBarrierPacket(&transformed_packets, nullptr, &ready_signal);
/*
Creates a barrier packet with queue's blocksignal as its input and
completion signal.This will ensure it is no longer 0 so a later barrier
packet waiting on it to be 0 will be blocked
*/
Packet::CreateBarrierPacket(&transformed_packets, &block_signal, &block_signal);
}
uint32_t writer_id = WRITER_ID.fetch_add(1, std::memory_order_release);
if (session_data_count > 0 && is_counter_collection_mode && profile_packet.get())
{
auto* start_packet = profile_packet->context->start_packet;
// Adding start packet and its barrier with a dummy signal
hsa_signal_t dummy_signal{};
dummy_signal.handle = 0;
start_packet->header = HSA_PACKET_TYPE_VENDOR_SPECIFIC << HSA_PACKET_HEADER_TYPE;
Packet::AddVendorSpecificPacket(start_packet, &transformed_packets, dummy_signal);
Packet::CreateBarrierPacket(
&transformed_packets,
&start_packet->completion_signal,
nullptr
);
}
auto& packet = transformed_packets.emplace_back(packets_arr[i]);
auto& dispatch_packet = reinterpret_cast<hsa_kernel_dispatch_packet_t&>(packet);
uint64_t correlation_id = dispatch_packet.reserved2;
CreateSignal(HSA_AMD_SIGNAL_AMD_GPU_ONLY, &packet.completion_signal);
// Adding the dispatch packet newly created signal to the pending signals
// list to be processed by the signal interrupt
rocprofiler_kernel_properties_t kernel_properties =
set_kernel_properties(dispatch_packet, queue_info.GetGPUAgent());
auto* context_backup = profile_packet.get() ? profile_packet->context.get() : nullptr;
if (session) {
uint64_t record_id = rocprofiler::ROCProfiler_Singleton::GetInstance().GetUniqueRecordId();
AddKernelNameWithDispatchID(GetKernelNameFromKsymbols(dispatch_packet.kernel_object),
record_id);
if (session_data_count > 0 && profile_packet.get())
{
session->GetProfiler()->AddPendingSignals(
writer_id, record_id, original_packet.completion_signal, packet.completion_signal,
session_id, buffer_id, session_data_count, std::move(profile_packet),
kernel_properties, (uint32_t)syscall(__NR_gettid), user_pkt_index, correlation_id);
}
else
{
session->GetProfiler()->AddPendingSignals(
writer_id, record_id, original_packet.completion_signal, packet.completion_signal,
session_id, buffer_id, session_data_count, nullptr, kernel_properties,
(uint32_t)syscall(__NR_gettid), user_pkt_index, correlation_id);
}
}
// Make a copy of the original packet, adding its signal to a barrier
// packet and create a new signal for it to get timestamps
if (original_packet.completion_signal.handle) {
hsa_barrier_and_packet_t barrier{};
barrier.header = HSA_PACKET_TYPE_BARRIER_AND << HSA_PACKET_HEADER_TYPE;
Packet::packet_t* __attribute__((__may_alias__)) pkt =
(reinterpret_cast<Packet::packet_t*>(&barrier));
transformed_packets.emplace_back(*pkt).completion_signal =
original_packet.completion_signal;
{
std::lock_guard<std::mutex> lock(
HSASupport_Singleton::GetInstance().signals_timestamps_map_lock);
HSASupport_Singleton::GetInstance()
.signals_timestamps[original_packet.completion_signal.handle] =
new_signal_timestamp_t{packet.completion_signal, std::nullopt};
}
}
hsa_signal_t interrupt_signal{};
// Adding a barrier packet with the original packet's completion signal.
CreateSignal(0, &interrupt_signal);
// Adding Stop and Read PM4 Packets
if (session_data_count > 0 && is_counter_collection_mode && context_backup)
{
hsa_signal_t dummy_signal{};
context_backup->read_packet->header = (HSA_PACKET_TYPE_VENDOR_SPECIFIC << HSA_PACKET_HEADER_TYPE) | (1 << HSA_PACKET_HEADER_BARRIER);
Packet::AddVendorSpecificPacket(context_backup->read_packet, &transformed_packets, dummy_signal);
context_backup->stop_packet->header = (HSA_PACKET_TYPE_VENDOR_SPECIFIC << HSA_PACKET_HEADER_TYPE) | (1 << HSA_PACKET_HEADER_BARRIER);
Packet::AddVendorSpecificPacket(context_backup->stop_packet, &transformed_packets, interrupt_signal);
// Added Interrupt Signal with barrier and provided handler for it
Packet::CreateBarrierPacket( &transformed_packets, &interrupt_signal, nullptr);
}
else
Packet::CreateBarrierPacket(&transformed_packets, nullptr, &interrupt_signal);
rocprofiler::HSAAgentInfo& agentInfo =
rocprofiler::HSASupport_Singleton::GetInstance().GetHSAAgentInfo(
queue_info.GetGPUAgent().handle);
// Creating Async Handler to be called every time the interrupt signal is
// marked complete
SignalAsyncHandler(
interrupt_signal,
new queue_info_session_t{
queue_info.GetGPUAgent(), session_id, queue_info.GetQueueID(), writer_id,
interrupt_signal, agentInfo.GetDeviceInfo().getNumaNode(),
agentInfo.GetDeviceInfo().getXccCount(), queue_info.GetBlockSignal()});
}
/* Write the transformed packets to the hardware queue. */
writer(&transformed_packets[0], transformed_packets.size());
} else if (
!is_att_collection_mode||
!session ||
!session->GetAttTracer()||
!session->GetAttTracer()->ATTWriteInterceptor(
packets,
pkt_count,
user_pkt_index,
*static_cast<Queue*>(data),
writer,
buffer_id
)
) {
/* Write the original packets to the hardware queue if no profiling session is active */
writer(packets, pkt_count);
}
}
Queue::Queue(const hsa_agent_t cpu_agent, const hsa_agent_t gpu_agent, hsa_queue_t* queue)
: cpu_agent_(cpu_agent), gpu_agent_(gpu_agent), intercept_queue_(queue) {
state = is_destroy::normal;
CreateSignal(0, &block_signal_);
CreateSignal(0, &ready_signal_);
SignalAsyncReadyHandler(ready_signal_, this);
}
Queue::~Queue() {
std::unique_lock<std::mutex> queue_lock(qw_mutex);
{
profiler_serializer_t& serializer =
rocprofiler::ROCProfiler_Singleton::GetInstance().GetSerializer();
std::lock_guard<std::mutex> serializer_lock(serializer.serializer_mutex);
for (auto it = serializer.dispatch_ready.begin(); it != serializer.dispatch_ready.end();) {
if ((*it)->GetQueueID() == GetQueueID()) {
/*Deletes the queue to be destructed from the dispatch ready.*/
serializer.dispatch_ready.erase(it);
if (serializer.dispatch_queue->GetQueueID() == GetQueueID())
// ToDO [srnagara]: Need to find a solution rather than abort.
fatal("Queue is being destroyed while kernel launch is still active");
}
}
state = is_destroy::to_destroy;
rocprofiler::HSASupport_Singleton::GetInstance()
.GetCoreApiTable()
.hsa_signal_store_screlease_fn(ready_signal_, 0);
}
this->cv_ready_signal.wait(queue_lock, [this] { return state == is_destroy::done_destroy; });
if (block_signal_.handle)
rocprofiler::HSASupport_Singleton::GetInstance().GetCoreApiTable().hsa_signal_destroy_fn(
block_signal_);
}
hsa_queue_t* Queue::GetCurrentInterceptQueue() { return intercept_queue_; }
hsa_agent_t Queue::GetGPUAgent() { return gpu_agent_; }
hsa_agent_t Queue::GetCPUAgent() { return cpu_agent_; }
uint64_t Queue::GetQueueID() { return intercept_queue_->id; }
void CheckPacketReqiurements() {
Packet::CheckPacketReqiurements();
}
hsa_signal_t Queue::GetReadySignal() { return ready_signal_; }
hsa_signal_t Queue::GetBlockSignal() { return block_signal_; }
} // namespace queue
} // namespace rocprofiler
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