client_calls_created_per_iteration:FLOAT,
server_calls_created_per_iteration:FLOAT,
client_channels_created_per_iteration:FLOAT,
client_subchannels_created_per_iteration:FLOAT,
server_channels_created_per_iteration:FLOAT,
syscall_write_per_iteration:FLOAT,
syscall_read_per_iteration:FLOAT,
tcp_read_alloc_8k_per_iteration:FLOAT,
tcp_read_alloc_64k_per_iteration:FLOAT,
http2_settings_writes_per_iteration:FLOAT,
http2_pings_sent_per_iteration:FLOAT,
http2_writes_begun_per_iteration:FLOAT,
http2_transport_stalls_per_iteration:FLOAT,
http2_stream_stalls_per_iteration:FLOAT,
cq_pluck_creates_per_iteration:FLOAT,
cq_next_creates_per_iteration:FLOAT,
cq_callback_creates_per_iteration:FLOAT
