Laurent Morichetti
87ffbd27f4
Default to the HSA runtime's hsa_system_get_info if the saved HSA functions table is not yet initialized. Change-Id: I3659095a5ad662f7ca8b0d92bd035901c6d66bb0
94 líneas
3.0 KiB
C++
94 líneas
3.0 KiB
C++
/* Copyright (c) 2022 Advanced Micro Devices, Inc.
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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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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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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
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THE SOFTWARE. */
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#include "roctracer.h"
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#include <dlfcn.h>
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#include <hsa/hsa.h>
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#include <cassert>
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using get_timestamp_t = decltype(roctracer_get_timestamp);
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using hsa_init_t = decltype(hsa_init);
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using hsa_shut_down_t = decltype(hsa_shut_down);
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int main() {
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// CASE 1: HSA is not loaded.
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//
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{
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void* tracer_library = dlopen("libroctracer64.so", RTLD_LAZY);
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assert(tracer_library != nullptr);
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auto* get_timestamp =
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reinterpret_cast<get_timestamp_t*>(dlsym(tracer_library, "roctracer_get_timestamp"));
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assert(get_timestamp != nullptr);
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roctracer_timestamp_t timestamp;
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(*get_timestamp)(×tamp);
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dlclose(tracer_library);
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}
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// CASE 2 Load the roctracer after hsa_init().
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//
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void* hsa_library = dlopen("libhsa-runtime64.so.1", RTLD_LAZY);
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assert(hsa_library != nullptr);
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auto* hsa_init = reinterpret_cast<hsa_init_t*>(dlsym(hsa_library, "hsa_init"));
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auto* hsa_shut_down = reinterpret_cast<hsa_shut_down_t*>(dlsym(hsa_library, "hsa_shut_down"));
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assert(hsa_init != nullptr && hsa_shut_down != nullptr);
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{
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(*hsa_init)();
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void* tracer_library = dlopen("libroctracer64.so", RTLD_LAZY);
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assert(tracer_library != nullptr);
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auto* get_timestamp =
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reinterpret_cast<get_timestamp_t*>(dlsym(tracer_library, "roctracer_get_timestamp"));
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assert(get_timestamp != nullptr);
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roctracer_timestamp_t timestamp;
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(*get_timestamp)(×tamp);
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dlclose(tracer_library);
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(*hsa_shut_down)();
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}
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// CASE 3: Load and use the roctracer before hsa_init().
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//
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{
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void* tracer_library = dlopen("libroctracer64.so", RTLD_LAZY);
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assert(tracer_library != nullptr);
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auto* get_timestamp =
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reinterpret_cast<get_timestamp_t*>(dlsym(tracer_library, "roctracer_get_timestamp"));
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assert(get_timestamp != nullptr);
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roctracer_timestamp_t timestamp;
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(*get_timestamp)(×tamp);
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(*hsa_init)();
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(*hsa_shut_down)();
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dlclose(tracer_library);
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}
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return 0;
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} |