mirror of
https://github.com/matrix-construct/construct
synced 2024-12-28 08:24:08 +01:00
54 lines
1.7 KiB
C++
54 lines
1.7 KiB
C++
// Matrix Construct
|
|
//
|
|
// Copyright (C) Matrix Construct Developers, Authors & Contributors
|
|
// Copyright (C) 2016-2018 Jason Volk <jason@zemos.net>
|
|
//
|
|
// Permission to use, copy, modify, and/or distribute this software for any
|
|
// purpose with or without fee is hereby granted, provided that the above
|
|
// copyright notice and this permission notice is present in all copies. The
|
|
// full license for this software is available in the LICENSE file.
|
|
|
|
#pragma once
|
|
#define HAVE_IRCD_DB_STATS_H
|
|
|
|
namespace ircd::db
|
|
{
|
|
// Histogram (per database)
|
|
struct histogram;
|
|
extern const uint32_t histogram_max;
|
|
string_view histogram_id(const uint32_t &id);
|
|
uint32_t histogram_id(const string_view &key);
|
|
const struct histogram &histogram(const database &, const uint32_t &id);
|
|
const struct histogram &histogram(const database &, const string_view &key);
|
|
|
|
// Ticker (per database)
|
|
extern const uint32_t ticker_max;
|
|
string_view ticker_id(const uint32_t &id);
|
|
uint32_t ticker_id(const string_view &key);
|
|
uint64_t ticker(const database &, const uint32_t &id);
|
|
uint64_t ticker(const database &, const string_view &key);
|
|
|
|
// Perf counts (global)
|
|
uint perf_level();
|
|
void perf_level(const uint &);
|
|
const rocksdb::PerfContext &perf_current();
|
|
std::string string(const rocksdb::PerfContext &, const bool &all = false);
|
|
|
|
// IO counters (global)
|
|
const rocksdb::IOStatsContext &iostats_current();
|
|
std::string string(const rocksdb::IOStatsContext &, const bool &all = false);
|
|
}
|
|
|
|
/// Copy of rocksdb::HistogramData because it is not included here.
|
|
struct ircd::db::histogram
|
|
{
|
|
double median {0};
|
|
double pct95 {0};
|
|
double pct99 {0};
|
|
double avg {0};
|
|
double stddev {0};
|
|
double max {0};
|
|
|
|
uint64_t hits {0};
|
|
uint64_t time {0};
|
|
};
|