808ea7dfa7
## Overview
This is a significant PR which has 3 very notable characteristics:
1. Omnitrace colorizes most of it's logging
2. Completely reworked the sampling
- Samples now record the current instruction pointers instead of strings
- This _dramatically_ decreases the overhead of taking a sample
- The collection of metrics during a sample are split out into another component, enabling that data collection to be disabled -- which decreases the sampling overhead even further
- When both `OMNITRACE_SAMPLING_CPUTIME` and `OMNITRACE_SAMPLING_REALTIME` are ON:
- `OMNITRACE_SAMPLING_CPUTIME_FREQ` and `OMNITRACE_SAMPLING_REALTIME_FREQ` can be used to individually control the sampling frequency
- `OMNITRACE_SAMPLING_CPUTIME_DELAY` and `OMNITRACE_SAMPLING_REALTIME_DELAY` can be used to individually control the delay time before starting
- Now, omnitrace does not start a real-time sampler on the main thread unless `OMNITRACE_SAMPLING_REALTIME` is ON
- In the future, an `OMNITRACE_SAMPLING_TIDS` (and real-time, cpu-time variants) configuration variable(s) will allow you to select which threads will be sampled
3. Files produced by `omnitrace` exe -- `available-instr.txt`, `instrumented-instr.txt`, etc. -- now no longer has `-instr` suffix and are placed in `instrumentation/` subfolder, i.e. `available-instr.txt` -> instrumentation/available.txt`
- This helped de-clutter the output folder
Most of the other edits were reorganization (e.g. internal namespace changes), cleanup, and splitting up functionality.
## Bug Fixes
There is a bug fix with respect to the HSA callbacks which disabled sampling on child threads when an HSA API call was made
## Details
- created thread_info struct for mapping different thread IDs
- reorganized file structure significantly
- added categories.hpp, concepts.hpp
- moved around name trait definitions
- moved all omnitrace components into `omnitrace::component` namespace
- there was a lot of inconsistency b/t using `tim::component` in some places and `omnitrace::component`
- added macros like OMNITRACE_DECLARE_COMPONENT in lieu of TIMEMORY_DECLARE_COMPONENT
- OMNITRACE_CRITICAL_TRACE_NUM_THREADS -> OMNITRACE_THREAD_POOL_SIZE
- roctracer and critical_trace use same thread pool
- critical_trace functions do not lock anymore bc of thread-local TaskGroup
- added `component::local_category_region` to support using `component::category_region` without explicitly passing in name
- removed `component::omnitrace` (unused)
- migrated KokkosP and OMPT to use `component::local_category_region`
- removed `component::user_region` as a result
- migrated omnitrace_{push,pop}_{trace,region}_hidden to use component::category_region
- removed `component::functors` as a result
- migrated some ppdefs
- `api::omnitrace` -> `project::omnitrace`
- `api::(...)` -> `category::(...)`
- improved recording the execution time of threads
- migrated this functionality out of pthread_create_gotcha and into thread_info
- moved mpi_gotcha, fork_gotcha, exit_gotcha, rcclp into omnitrace::component namespace
- split backtrace up into backtrace, backtrace_metrics, backtrace_timestamp components
- sampling.cpp handles setup and post-processing that was formerly in backtrace
- updated logging to use colors
- `OMNITRACE_COLORIZED_LOG` config variable
- updated docs on JSON output from timemory
- instrumentation info in instrumentation subfolder
- added testing for KokkosP entries
- added testing for ompt entries
- add_critical_trace function defined in critical_trace.hpp
- disable push_thread_state and pop_thread_state when thread state is Disabled or Completed
- add comp::page_rss to main bundle
- thread_data supports std::optional instead of std::unique_ptr
- thread_data supports tim::identity<T> to avoid unique_ptr or optional
- tracing::record_thread_start_time()
- tracing::push_timemory and tracing::pop_timemory are templated on CategoryT
- removed anonymous namespace from omnitrace::utility
- sampling backtrace stores instruction pointers instead of strings
- component::category_region updates
- handle disabled thread state
- handle finalized state
- fewer debug messages
- invoke thread_init()
- invoke thread_init_sampling()
- handle push/pop count based on category
- push/pop count only modified when used
- component::cpu_freq
- components/ensure_storage.hpp
- reworked the pthread_create replacement function
- updated parallel-overhead example to report # of times locked
- OMNITRACE_MAX_UNWIND_DEPTH build option
- update timemory submodule
252 行
8.3 KiB
C++
252 行
8.3 KiB
C++
// MIT License
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//
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// Copyright (c) 2020, The Regents of the University of California,
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// through Lawrence Berkeley National Laboratory (subject to receipt of any
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// required approvals from the U.S. Dept. of Energy). All rights reserved.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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#include "common/join.hpp"
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#include "library/common.hpp"
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#include "library/components/category_region.hpp"
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#include "library/components/fwd.hpp"
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#include "library/defines.hpp"
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#include "library/timemory.hpp"
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#include <timemory/api/macros.hpp>
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#include <timemory/components/gotcha/backends.hpp>
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#include <timemory/components/macros.hpp>
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#include <timemory/operations/types/set.hpp>
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#include <timemory/utility/types.hpp>
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#include <optional>
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#if defined(OMNITRACE_USE_RCCL)
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# if OMNITRACE_HIP_VERSION == 0 || OMNITRACE_HIP_VERSION >= 50200
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# include <rccl/rccl.h>
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# else
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# include <rccl.h>
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# endif
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#endif
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#if defined(OMNITRACE_USE_MPI)
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# include <mpi.h>
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#endif
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#include <atomic>
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#include <functional>
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#include <memory>
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#include <set>
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#include <string>
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#include <utility>
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OMNITRACE_COMPONENT_ALIAS(comm_data_tracker_t,
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::tim::component::data_tracker<float, project::omnitrace>)
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namespace omnitrace
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{
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namespace component
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{
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using gotcha_data = ::tim::component::gotcha_data;
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struct comm_data : base<comm_data, void>
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{
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using value_type = void;
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using this_type = comm_data;
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using base_type = base<this_type, value_type>;
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using tracker_t = tim::auto_tuple<comm_data_tracker_t>;
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using data_type = float;
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struct mpi_recv
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{
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static constexpr auto value = "comm_data";
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static constexpr auto label = "MPI Comm Recv";
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};
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struct mpi_send
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{
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static constexpr auto value = "comm_data";
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static constexpr auto label = "MPI Comm Send";
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};
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struct rccl_recv
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{
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static constexpr auto value = "comm_data";
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static constexpr auto label = "RCCL Comm Recv";
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};
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struct rccl_send
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{
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static constexpr auto value = "comm_data";
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static constexpr auto label = "RCCL Comm Send";
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};
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TIMEMORY_DEFAULT_OBJECT(comm_data)
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static void preinit();
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static void configure();
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static void global_finalize();
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static void start() {}
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static void stop() {}
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#if defined(OMNITRACE_USE_MPI)
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static int mpi_type_size(MPI_Datatype _datatype)
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{
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int _size = 0;
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PMPI_Type_size(_datatype, &_size);
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return _size;
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}
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// MPI_Send
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static void audit(const gotcha_data& _data, audit::incoming, const void*, int count,
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MPI_Datatype datatype, int dst, int tag, MPI_Comm);
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// MPI_Recv
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static void audit(const gotcha_data& _data, audit::incoming, void*, int count,
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MPI_Datatype datatype, int dst, int tag, MPI_Comm, MPI_Status*);
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// MPI_Isend
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static void audit(const gotcha_data& _data, audit::incoming, const void*, int count,
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MPI_Datatype datatype, int dst, int tag, MPI_Comm, MPI_Request*);
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// MPI_Irecv
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static void audit(const gotcha_data& _data, audit::incoming, void*, int count,
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MPI_Datatype datatype, int dst, int tag, MPI_Comm, MPI_Request*);
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// MPI_Bcast
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static void audit(const gotcha_data& _data, audit::incoming, void*, int count,
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MPI_Datatype datatype, int root, MPI_Comm);
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// MPI_Allreduce
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static void audit(const gotcha_data& _data, audit::incoming, const void*, void*,
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int count, MPI_Datatype datatype, MPI_Op, MPI_Comm);
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// MPI_Sendrecv
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static void audit(const gotcha_data& _data, audit::incoming, const void*,
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int sendcount, MPI_Datatype sendtype, int, int sendtag, void*,
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int recvcount, MPI_Datatype recvtype, int, int recvtag, MPI_Comm,
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MPI_Status*);
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// MPI_Gather
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// MPI_Scatter
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static void audit(const gotcha_data& _data, audit::incoming, const void*,
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int sendcount, MPI_Datatype sendtype, void*, int recvcount,
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MPI_Datatype recvtype, int root, MPI_Comm);
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// MPI_Alltoall
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static void audit(const gotcha_data& _data, audit::incoming, const void*,
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int sendcount, MPI_Datatype sendtype, void*, int recvcount,
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MPI_Datatype recvtype, MPI_Comm);
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#endif
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#if defined(OMNITRACE_USE_RCCL)
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static auto rccl_type_size(ncclDataType_t datatype)
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{
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switch(datatype)
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{
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case ncclInt8:
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case ncclUint8: return 1;
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case ncclFloat16: return 2;
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case ncclInt32:
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case ncclUint32:
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case ncclFloat32: return 4;
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case ncclInt64:
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case ncclUint64:
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case ncclFloat64: return 8;
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default: return 0;
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};
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}
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// ncclReduce
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static void audit(const gotcha_data& _data, audit::incoming, const void*, const void*,
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size_t count, ncclDataType_t datatype, ncclRedOp_t, int root,
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ncclComm_t, hipStream_t);
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// ncclSend
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// ncclGather
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// ncclBcast
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// ncclRecv
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static void audit(const gotcha_data& _data, audit::incoming, const void*,
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size_t count, ncclDataType_t datatype, int peer, ncclComm_t,
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hipStream_t);
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// ncclBroadcast
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static void audit(const gotcha_data& _data, audit::incoming, const void*, const void*,
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size_t count, ncclDataType_t datatype, int root, ncclComm_t,
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hipStream_t);
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// ncclAllReduce
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// ncclReduceScatter
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static void audit(const gotcha_data& _data, audit::incoming, const void*, const void*,
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size_t count, ncclDataType_t datatype, ncclRedOp_t, ncclComm_t,
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hipStream_t);
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// ncclAllGather
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// ncclAlltoAll
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static void audit(const gotcha_data& _data, audit::incoming, const void*, const void*,
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size_t count, ncclDataType_t datatype, ncclComm_t, hipStream_t);
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#endif
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private:
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static auto& add(tracker_t& _t, data_type value)
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{
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if(omnitrace::get_state() != omnitrace::State::Active)
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{
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_t.invoke<operation::set_is_invalid>(true);
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return _t;
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}
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_t.store(std::plus<data_type>{}, value);
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return _t;
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}
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static auto&& add(const gotcha_data& _data, data_type value)
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{
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tracker_t _t{ std::string_view{ _data.tool_id.c_str() } };
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return add(_t, value);
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}
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static auto&& add(std::string&& _name, data_type value)
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{
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tracker_t _t{ _name };
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return add(_t, value);
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}
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static auto&& add(std::string_view _name, data_type value)
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{
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tracker_t _t{ _name };
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return add(_t, value);
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}
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};
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} // namespace component
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} // namespace omnitrace
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#if !defined(OMNITRACE_EXTERN_COMPONENTS) || \
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(defined(OMNITRACE_EXTERN_COMPONENTS) && OMNITRACE_EXTERN_COMPONENTS > 0)
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# include <timemory/components/base.hpp>
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# include <timemory/components/data_tracker/components.hpp>
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# include <timemory/operations.hpp>
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OMNITRACE_DECLARE_EXTERN_COMPONENT(
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TIMEMORY_ESC(data_tracker<float, tim::project::omnitrace>), true, float)
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OMNITRACE_DECLARE_EXTERN_COMPONENT(comm_data, false, void)
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#endif
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