ClickHouse/dbms/include/DB/Common/ProfileEvents.h

77 lines
2.4 KiB
C++
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

#pragma once
#include <stddef.h>
/** Позволяет считать количество различных событий, произошедших в программе
* - для высокоуровневого профайлинга.
*/
#define APPLY_FOR_EVENTS(M) \
M(Query, "Queries") \
M(SelectQuery, "Select queries") \
M(InsertQuery, "Insert queries") \
M(FileOpen, "File opens") \
M(Seek, "Seeks") \
M(ReadBufferFromFileDescriptorRead, "ReadBufferFromFileDescriptor reads") \
M(ReadCompressedBytes, "Read compressed bytes") \
M(CompressedReadBufferBlocks, "Read decompressed blocks") \
M(CompressedReadBufferBytes, "Read decompressed bytes") \
M(UncompressedCacheHits, "Uncompressed cache hits") \
M(UncompressedCacheMisses, "Uncompressed cache misses") \
M(UncompressedCacheWeightLost, "Uncompressed cache weight lost") \
M(IOBufferAllocs, "IO buffers allocations") \
M(IOBufferAllocBytes, "IO buffers allocated bytes") \
M(ArenaAllocChunks, "Arena allocated chunks") \
M(ArenaAllocBytes, "Arena allocated bytes") \
M(FunctionExecute, "Function executes") \
M(MarkCacheHits, "Mark cache hits") \
M(MarkCacheMisses, "Mark cache misses") \
\
M(ReplicatedPartFetches, "Replicated part fetches") \
M(ReplicatedPartFailedFetches, "Replicated part fetches failed") \
M(ObsoleteReplicatedParts, "Replicated parts rendered obsolete by fetches") \
M(ReplicatedPartMerges, "Replicated part merges") \
M(ReplicatedPartFetchesOfMerged, "Replicated part merges replaced with fetches") \
\
M(END, "")
namespace ProfileEvents
{
/// Виды событий.
enum Event
{
#define M(NAME, DESCRIPTION) NAME,
APPLY_FOR_EVENTS(M)
#undef M
};
/// Получить текстовое описание события по его enum-у.
inline const char * getDescription(Event event)
{
static const char * descriptions[] =
{
#define M(NAME, DESCRIPTION) DESCRIPTION,
APPLY_FOR_EVENTS(M)
#undef M
};
return descriptions[event];
}
/// Счётчики - сколько раз каждое из событий произошло.
extern size_t counters[END];
/// Увеличить счётчик события. Потокобезопасно.
inline void increment(Event event, size_t amount = 1)
{
__sync_fetch_and_add(&counters[event], amount);
}
}
#undef APPLY_FOR_EVENTS