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https://github.com/matrix-construct/construct
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fefaaca2c2
ircd::prof: Split linux/perf_event specific to unit.
46 lines
1.1 KiB
C++
46 lines
1.1 KiB
C++
// Matrix Construct
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//
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// Copyright (C) Matrix Construct Developers, Authors & Contributors
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// Copyright (C) 2016-2019 Jason Volk <jason@zemos.net>
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//
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// Permission to use, copy, modify, and/or distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice is present in all copies. The
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// full license for this software is available in the LICENSE file.
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#pragma once
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#define HAVE_IRCD_PROF_RESOURCE_H
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namespace ircd::prof
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{
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struct resource;
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resource &operator+=(resource &a, const resource &b);
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resource &operator-=(resource &a, const resource &b);
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resource operator+(const resource &a, const resource &b);
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resource operator-(const resource &a, const resource &b);
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}
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/// Frontend to getrusage(2). This has higher resolution than prof::times
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/// in practice with slight added expense.
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struct ircd::prof::resource
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:std::array<uint64_t, 9>
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{
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enum
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{
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TIME_USER, // microseconds
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TIME_KERN, // microseconds
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RSS_MAX,
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PF_MINOR,
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PF_MAJOR,
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BLOCK_IN,
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BLOCK_OUT,
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SCHED_YIELD,
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SCHED_PREEMPT,
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};
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resource(sample_t);
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resource()
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:std::array<uint64_t, 9>{{0}}
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{}
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};
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