https://s3.amazonaws.com/clickhouse-test-reports/43987/3725cf4aa7a9aa022b11d08b2f8e4f7f0dd70283/stress_test__ubsan_/gdb.log
M(UncompressedCacheMisses, "Number of times a block of data has not been found in the uncompressed cache (and required decompression).") \
    M(UncompressedCacheWeightLost, "Number of bytes evicted from the uncompressed cache.") \
    M(MMappedFileCacheHits, "Number of times a file has been found in the MMap cache (for the 'mmap' read_method), so we didn't have to mmap it again.") \
    M(MMappedFileCacheMisses, "Number of times a file has not been found in the MMap cache (for the 'mmap' read_method), so we had to mmap it again.") \
    M(OpenedFileCacheHits, "Number of times a file has been found in the opened file cache, so we didn't have to open it again.") \
    M(OpenedFileCacheMisses, "Number of times a file has been found in the opened file cache, so we had to open it again.") \
    M(AIOWrite, "Number of writes with Linux or FreeBSD AIO interface") \
    M(AIOWriteBytes, "Number of bytes written with Linux or FreeBSD AIO interface") \
    M(AIORead, "Number of reads with Linux or FreeBSD AIO interface") \
    M(AIOReadBytes, "Number of bytes read with Linux or FreeBSD AIO interface") \
    M(IOBufferAllocs, "Number of allocations of IO buffers (for ReadBuffer/WriteBuffer).") \
    M(IOBufferAllocBytes, "Number of bytes allocated for IO buffers (for ReadBuffer/WriteBuffer).") \
    M(ArenaAllocChunks, "Number of chunks allocated for memory Arena (used for GROUP BY and similar operations)") \
    M(ArenaAllocBytes, "Number of bytes allocated for memory Arena (used for GROUP BY and similar operations)") \
    M(FunctionExecute, "Number of SQL ordinary function calls (SQL functions are called on per-block basis, so this number represents the number of blocks).") \
    M(TableFunctionExecute, "Number of table function calls.") \
    M(MarkCacheHits, "Number of times an entry has been found in the mark cache, so we didn't have to load a mark file.") \
    M(MarkCacheMisses, "Number of times an entry has not been found in the mark cache, so we had to load a mark file in memory, which is a costly operation, adding to query latency.") \
    M(CreatedReadBufferOrdinary, "Number of times ordinary read buffer was created for reading data (while choosing among other read methods).") \
    M(CreatedReadBufferDirectIO, "Number of times a read buffer with O_DIRECT was created for reading data (while choosing among other read methods).") \
    M(CreatedReadBufferDirectIOFailed, "Number of times a read buffer with O_DIRECT was attempted to be created for reading data (while choosing among other read methods), but the OS did not allow it (due to lack of filesystem support or other reasons) and we fallen back to the ordinary reading method.") \
    M(CreatedReadBufferMMap, "Number of times a read buffer using 'mmap' was created for reading data (while choosing among other read methods).") \
    M(CreatedReadBufferMMapFailed, "Number of times a read buffer with 'mmap' was attempted to be created for reading data (while choosing among other read methods), but the OS did not allow it (due to lack of filesystem support or other reasons) and we fallen back to the ordinary reading method.") \
    M(DiskReadElapsedMicroseconds, "Total time spent waiting for read syscall. This include reads from page cache.") \
    M(DiskWriteElapsedMicroseconds, "Total time spent waiting for write syscall. This include writes to page cache.") \
    M(NetworkReceiveElapsedMicroseconds, "Total time spent waiting for data to receive or receiving data from network. Only ClickHouse-related network interaction is included, not by 3rd party libraries.") \
    M(NetworkSendElapsedMicroseconds, "Total time spent waiting for data to send to network or sending data to network. Only ClickHouse-related network interaction is included, not by 3rd party libraries..") \
    M(NetworkReceiveBytes, "Total number of bytes received from network. Only ClickHouse-related network interaction is included, not by 3rd party libraries.") \
    M(NetworkSendBytes, "Total number of bytes send to network. Only ClickHouse-related network interaction is included, not by 3rd party libraries.") \
    M(ThrottlerSleepMicroseconds, "Total time a query was sleeping to conform 'max_network_bandwidth' and other throttling settings.") \