mirror of
https://github.com/matrix-construct/construct
synced 2024-11-30 02:32:43 +01:00
54 lines
1.7 KiB
C++
54 lines
1.7 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) 2016-2018 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_DB_STATS_H
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namespace ircd::db
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{
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// Histogram (per database)
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struct histogram;
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extern const uint32_t histogram_max;
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string_view histogram_id(const uint32_t &id);
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uint32_t histogram_id(const string_view &key);
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const struct histogram &histogram(const database &, const uint32_t &id);
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const struct histogram &histogram(const database &, const string_view &key);
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// Ticker (per database)
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extern const uint32_t ticker_max;
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string_view ticker_id(const uint32_t &id);
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uint32_t ticker_id(const string_view &key);
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uint64_t ticker(const database &, const uint32_t &id);
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uint64_t ticker(const database &, const string_view &key);
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// Perf counts (global)
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uint perf_level();
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void perf_level(const uint &);
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const rocksdb::PerfContext &perf_current();
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std::string string(const rocksdb::PerfContext &, const bool &all = false);
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// IO counters (global)
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const rocksdb::IOStatsContext &iostats_current();
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std::string string(const rocksdb::IOStatsContext &, const bool &all = false);
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}
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/// Copy of rocksdb::HistogramData because it is not included here.
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struct ircd::db::histogram
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{
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double median {0};
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double pct95 {0};
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double pct99 {0};
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double avg {0};
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double stddev {0};
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double max {0};
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uint64_t hits {0};
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uint64_t time {0};
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};
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