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71 lines
1.6 KiB
C++
71 lines
1.6 KiB
C++
#include <Common/CurrentMetrics.h>
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/// Available metrics. Add something here as you wish.
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#define APPLY_FOR_METRICS(M) \
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M(Query) \
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M(Merge) \
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M(ReplicatedFetch) \
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M(ReplicatedSend) \
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M(ReplicatedChecks) \
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M(BackgroundPoolTask) \
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M(DiskSpaceReservedForMerge) \
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M(DistributedSend) \
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M(QueryPreempted) \
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M(TCPConnection) \
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M(HTTPConnection) \
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M(InterserverConnection) \
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M(OpenFileForRead) \
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M(OpenFileForWrite) \
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M(Read) \
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M(Write) \
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M(SendExternalTables) \
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M(QueryThread) \
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M(ReadonlyReplica) \
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M(LeaderReplica) \
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M(MemoryTracking) \
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M(MemoryTrackingInBackgroundProcessingPool) \
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M(MemoryTrackingForMerges) \
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M(LeaderElection) \
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M(EphemeralNode) \
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M(ZooKeeperSession) \
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M(ZooKeeperWatch) \
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M(ZooKeeperRequest) \
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M(DelayedInserts) \
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M(ContextLockWait) \
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M(StorageBufferRows) \
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M(StorageBufferBytes) \
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M(DictCacheRequests) \
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M(Revision) \
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M(RWLockWaitingReaders) \
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M(RWLockWaitingWriters) \
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M(RWLockActiveReaders) \
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M(RWLockActiveWriters)
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namespace CurrentMetrics
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{
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#define M(NAME) extern const Metric NAME = __COUNTER__;
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APPLY_FOR_METRICS(M)
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#undef M
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constexpr Metric END = __COUNTER__;
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std::atomic<Value> values[END] {}; /// Global variable, initialized by zeros.
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const char * getDescription(Metric event)
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{
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static const char * descriptions[] =
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{
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#define M(NAME) #NAME,
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APPLY_FOR_METRICS(M)
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#undef M
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};
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return descriptions[event];
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}
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Metric end() { return END; }
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}
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#undef APPLY_FOR_METRICS
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