Maneesh Gupta
120 Zeilen
3.5 KiB
C++
120 Zeilen
3.5 KiB
C++
/*
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Copyright (c) 2015-2017 Advanced Micro Devices, Inc. All rights reserved.
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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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*/
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//#pragma once
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#ifndef TRACE_HELPER_H
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#define TRACE_HELPER_H
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#include <iostream>
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#include <iomanip>
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#include <string>
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//---
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// Helper functions to convert HIP function arguments into strings.
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// Handles POD data types as well as enumerations (ie hipMemcpyKind).
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// The implementation uses C++11 variadic templates and template specialization.
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// The hipMemcpyKind example below is a good example that shows how to implement conversion for a
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// new HSA type.
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// Handy macro to convert an enumeration to a stringified version of same:
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#define CASE_STR(x) \
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case x: \
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return #x;
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// Building block functions:
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template <typename T>
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inline std::string ToHexString(T v) {
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std::ostringstream ss;
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ss << "0x" << std::hex << v;
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return ss.str();
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};
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//---
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// Template overloads for ToString to handle specific types
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// This is the default which works for most types:
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template <typename T>
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inline std::string ToString(T v) {
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std::ostringstream ss;
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ss << v;
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return ss.str();
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};
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// hipEvent_t specialization. TODO - maybe add an event ID for debug?
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template <>
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inline std::string ToString(hipEvent_t v) {
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std::ostringstream ss;
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ss << v;
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return ss.str();
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};
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// hipStream_t
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template <>
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inline std::string ToString(hipStream_t v) {
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std::ostringstream ss;
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if (v == NULL) {
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ss << "stream:<null>";
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} else {
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ss << *v;
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}
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return ss.str();
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};
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// hipMemcpyKind specialization
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template <>
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inline std::string ToString(hipMemcpyKind v) {
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switch (v) {
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CASE_STR(hipMemcpyHostToHost);
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CASE_STR(hipMemcpyHostToDevice);
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CASE_STR(hipMemcpyDeviceToHost);
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CASE_STR(hipMemcpyDeviceToDevice);
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CASE_STR(hipMemcpyDefault);
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default:
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return ToHexString(v);
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};
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};
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template <>
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inline std::string ToString(hipError_t v) {
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return ihipErrorString(v);
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};
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// Catch empty arguments case
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inline std::string ToString() { return (""); }
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//---
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// C++11 variadic template - peels off first argument, converts to string, and calls itself again to
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// peel the next arg. Strings are automatically separated by comma+space.
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template <typename T, typename... Args>
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inline std::string ToString(T first, Args... args) {
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return ToString(first) + ", " + ToString(args...);
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}
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#endif
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