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0ee32b37555fcda10440eb23b73dfd2c1c4e891f
rocm-systems/source/lib/omnitrace/library/perfetto.hpp
T
Jonathan R. Madsen 0ee32b3755 Improved sampling performance (#74) 
* Improved sampling performance

* Sampling tweaks

- backtrace::get() returns vector of string_view
- further performance improvements
- tweaked _use_label
- wrapped samples in perfetto "samples [omnitrace]" block
- samples in TID=0 in sampling mode are in separate thread row

* Fix empty HW counter desc + category for sampling

- fallback to to metric name if papi event info description not found
- add perfetto sampling category

* Limit the SIGALRM frequency
2022-07-12 18:08:17 -05:00

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// MIT License
//
// Copyright (c) 2022 Advanced Micro Devices, Inc. All Rights Reserved.
//
// 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.
#pragma once
#include "library/defines.hpp"
#if defined(OMNITRACE_PERFETTO_CATEGORIES)
# error "OMNITRACE_PERFETTO_CATEGORIES is already defined. Please include \"" __FILE__ "\" before including any timemory files"
#endif
#define OMNITRACE_PERFETTO_CATEGORIES \
perfetto::Category("host").SetDescription("Host-side function tracing"), \
perfetto::Category("user").SetDescription("User-defined regions"), \
perfetto::Category("sampling").SetDescription("Host-side function sampling"), \
perfetto::Category("device_hip") \
.SetDescription("Device-side functions submitted via HSA API"), \
perfetto::Category("device_hsa") \
.SetDescription("Device-side functions submitted via HIP API"), \
perfetto::Category("rocm_hip").SetDescription("Host-side HIP functions"), \
perfetto::Category("rocm_hsa").SetDescription("Host-side HSA functions"), \
perfetto::Category("device_busy") \
.SetDescription("Busy percentage of a GPU device"), \
perfetto::Category("device_temp") \
.SetDescription("Temperature of GPU device in degC"), \
perfetto::Category("device_power") \
.SetDescription("Power consumption of GPU device in watts"), \
perfetto::Category("device_memory_usage") \
.SetDescription("Memory usage of GPU device in MB"), \
perfetto::Category("thread_peak_memory") \
.SetDescription( \
"Peak memory usage on thread in MB (derived from sampling)"), \
perfetto::Category("thread_context_switch") \
.SetDescription("Context switches on thread (derived from sampling)"), \
perfetto::Category("thread_page_fault") \
.SetDescription("Memory page faults on thread (derived from sampling)"), \
perfetto::Category("hardware_counter") \
.SetDescription("Hardware counter value on thread (derived from sampling)"), \
perfetto::Category("cpu_freq") \
.SetDescription("CPU frequency in MHz (collected in background thread)"), \
perfetto::Category("process_page_fault") \
.SetDescription( \
"Memory page faults in process (collected in background thread)"), \
perfetto::Category("process_virtual_memory") \
.SetDescription("Virtual memory usage in process in MB (collected in " \
"background thread)"), \
perfetto::Category("process_context_switch") \
.SetDescription( \
"Context switches in process (collected in background thread)"), \
perfetto::Category("process_page_fault") \
.SetDescription( \
"Memory page faults in process (collected in background thread)"), \
perfetto::Category("process_user_cpu_time") \
.SetDescription("CPU time of functions executing in user-space in process " \
"in seconds (collected in background thread)"), \
perfetto::Category("process_kernel_cpu_time") \
.SetDescription("CPU time of functions executing in kernel-space in " \
"process in seconds (collected in background thread)"), \
perfetto::Category("mpi").SetDescription("MPI regions"), \
perfetto::Category("kokkos").SetDescription("Kokkos regions"), \
perfetto::Category("ompt").SetDescription("OpenMP Tools regions"), \
perfetto::Category("critical-trace").SetDescription("Combined critical traces"), \
perfetto::Category("host-critical-trace") \
.SetDescription("Host-side critical traces"), \
perfetto::Category("device-critical-trace") \
.SetDescription("Device-side critical traces"), \
perfetto::Category("timemory").SetDescription("Events from the timemory API")
#if defined(TIMEMORY_USE_PERFETTO)
# define TIMEMORY_PERFETTO_CATEGORIES OMNITRACE_PERFETTO_CATEGORIES
# include <timemory/components/perfetto/backends.hpp>
#else
# include <perfetto.h>
PERFETTO_DEFINE_CATEGORIES(OMNITRACE_PERFETTO_CATEGORIES);
#endif
#include "library/debug.hpp"
#include <map>
#include <memory>
#include <string>
#include <tuple>
#include <utility>
#include <vector>
namespace omnitrace
{
#if defined(CUSTOM_DATA_SOURCE)
class CustomDataSource : public perfetto::DataSource<CustomDataSource>
{
public:
void OnSetup(const SetupArgs&) override
{
// Use this callback to apply any custom configuration to your data source
// based on the TraceConfig in SetupArgs.
OMNITRACE_PRINT_F("[CustomDataSource] setup\n");
}
void OnStart(const StartArgs&) override
{
// This notification can be used to initialize the GPU driver, enable
// counters, etc. StartArgs will contains the DataSourceDescriptor,
// which can be extended.
OMNITRACE_PRINT_F("[CustomDataSource] start\n");
}
void OnStop(const StopArgs&) override
{
// Undo any initialization done in OnStart.
OMNITRACE_PRINT_F("[CustomDataSource] stop\n");
}
// Data sources can also have per-instance state.
int my_custom_state = 0;
};
PERFETTO_DECLARE_DATA_SOURCE_STATIC_MEMBERS(CustomDataSource);
#endif
template <typename Tp>
struct perfetto_counter_track
{
using track_map_t = std::map<uint32_t, std::vector<perfetto::CounterTrack>>;
using name_map_t = std::map<uint32_t, std::vector<std::unique_ptr<std::string>>>;
using data_t = std::pair<name_map_t, track_map_t>;
static auto init() { (void) get_data(); }
static auto exists(size_t _idx, int64_t _n = -1)
{
bool _v = get_data().second.count(_idx) != 0;
if(_n < 0 || !_v) return _v;
return static_cast<size_t>(_n) < get_data().second.at(_idx).size();
}
static size_t size(size_t _idx)
{
bool _v = get_data().second.count(_idx) != 0;
if(!_v) return 0;
return get_data().second.at(_idx).size();
}
static auto emplace(size_t _idx, const std::string& _v, const char* _units = nullptr,
const char* _category = nullptr, int64_t _mult = 1,
bool _incr = false)
{
auto& _name_data = get_data().first[_idx];
auto& _track_data = get_data().second[_idx];
std::vector<std::tuple<std::string, const char*, bool>> _missing = {};
if(config::get_is_continuous_integration())
{
for(const auto& itr : _name_data)
{
_missing.emplace_back(std::make_tuple(*itr, itr->c_str(), false));
}
}
auto& _name = _name_data.emplace_back(std::make_unique<std::string>(_v));
const char* _unit_name = (_units && strlen(_units) > 0) ? _units : nullptr;
_track_data.emplace_back(perfetto::CounterTrack{ _name->c_str() }
.set_unit_name(_unit_name)
.set_category(_category)
.set_unit_multiplier(_mult)
.set_is_incremental(_incr));
if(config::get_is_continuous_integration())
{
for(auto& itr : _missing)
{
const char* citr = std::get<1>(itr);
for(const auto& ditr : _name_data)
{
if(citr == ditr->c_str() && strcmp(citr, ditr->c_str()) == 0)
{
std::get<2>(itr) = true;
break;
}
}
if(!std::get<2>(itr))
{
std::set<void*> _prev = {};
std::set<void*> _curr = {};
for(const auto& eitr : _missing)
_prev.emplace(
static_cast<void*>(const_cast<char*>(std::get<1>(eitr))));
for(const auto& eitr : _name_data)
_curr.emplace(
static_cast<void*>(const_cast<char*>(eitr->c_str())));
std::stringstream _pss{};
for(auto&& eitr : _prev)
_pss << " " << std::hex << std::setw(12) << std::left << eitr;
std::stringstream _css{};
for(auto&& eitr : _curr)
_css << " " << std::hex << std::setw(12) << std::left << eitr;
OMNITRACE_THROW("perfetto_counter_track emplace method for '%s' (%p) "
"invalidated C-string '%s' (%p).\n%8s: %s\n%8s: %s\n",
_v.c_str(), _name->c_str(), std::get<0>(itr).c_str(),
std::get<0>(itr).c_str(), "previous",
_pss.str().c_str(), "current", _css.str().c_str());
}
}
}
}
static auto& at(size_t _idx, size_t _n) { return get_data().second.at(_idx).at(_n); }
private:
static data_t& get_data()
{
static auto _v = data_t{};
return _v;
}
};
} // namespace omnitrace
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