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86 lines
2.1 KiB
C
86 lines
2.1 KiB
C
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/*
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* \brief Trace probes
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* \author Johannes Schlatow
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* \date 2021-12-01
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*
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* Convenience macros for creating user-defined trace checkpoints.
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*/
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/*
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* Copyright (C) 2021 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU Affero General Public License version 3.
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*/
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#ifndef _INCLUDE__TRACE__PROBE_H_
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#define _INCLUDE__TRACE__PROBE_H_
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#include <base/trace/events.h>
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namespace Genode { namespace Trace {
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class Duration
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{
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private:
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char const *_name;
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unsigned long const _data;
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Duration(Duration const &) = delete;
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Duration & operator = (Duration const &) = delete;
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public:
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Duration(char const * name, unsigned long data)
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: _name(name), _data(data)
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{ Checkpoint(_name, _data, nullptr, Checkpoint::Type::START); }
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~Duration()
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{ Checkpoint(_name, _data, nullptr, Checkpoint::Type::END); }
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};
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} }
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/**
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* Trace a single checkpoint named after the current function.
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*
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* The argument 'data' specifies the payload as an unsigned value.
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*/
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#define GENODE_TRACE_CHECKPOINT(data) \
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Genode::Trace::Checkpoint(__PRETTY_FUNCTION__, (unsigned long)data, nullptr);
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/**
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* Variant of 'GENODE_TRACE_CHECKPOINT' that accepts the name of the checkpoint as argument.
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*
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* The argument 'data' specifies the payload as an unsigned value.
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* The argument 'name' specifies the name of the checkpoint.
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*/
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#define GENODE_TRACE_CHECKPOINT_NAMED(data, name) \
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Genode::Trace::Checkpoint(name, (unsigned long)data, nullptr);
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/**
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* Trace a pair of checkpoints when entering and leaving the current scope.
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*
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* The argument 'data' specifies the payload as an unsigned value.
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*/
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#define GENODE_TRACE_DURATION(data) \
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Genode::Trace::Duration duration(__PRETTY_FUNCTION__, (unsigned long)data);
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/**
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* Variant of 'GENODE_TRACE_DURATION' that accepts the name of the checkpoints as argument.
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*
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* The argument 'data' specifies the payload as an unsigned value.
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* The argument 'name' specifies the names of the checkpoints
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*/
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#define GENODE_TRACE_DURATION_NAMED(data, name) \
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Genode::Trace::Duration duration(name, (unsigned long)data);
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#endif /* _INCLUDE__TRACE__PROBE_H_ */
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