[pox-dev] port statistic documentation

[Dhanu]

Dear everyone


is there any documentation about port stats? i.e, what are the meaning of
the stats like  tx_dropped, tx_bytes  etc


why only the rx_packets, rx_bytes, tx_packets, tx_bytes that have non zero
value in my port stats below?
what about the other stats?

even when i add flow to drop all packet, it's still zero


thank you for your help

Dhanu

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sudo ovs-ofctl dump-flows s2
NXST_FLOW reply (xid=0x4):
 cookie=0x0, duration=49.218s, table=0, n_packets=2, n_bytes=140,
dl_dst=b2:8b:ce:50:85:06 actions=drop
 cookie=0x0, duration=258.99s, table=0, n_packets=48, n_bytes=1968,
priority=65000,dl_dst=01:23:20:00:00:01,dl_type=0x88cc
actions=CONTROLLER:65535
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PortStatsReceived from 00-00-00-00-00-02:
 [{'rx_over_err': 0, 'tx_dropped': 0, 'rx_packets': 62016, 'rx_frame_err':
0, 'rx_bytes': 4403255, 'tx_errors': 0, 'rx_crc_err': 0, 'collisions': 0,
'rx_errors': 0, 'tx_bytes': 92435952, 'rx_dropped': 0, 'tx_packets': 66607,
'port_no': 3},
 {'rx_over_err': 0, 'tx_dropped': 0, 'rx_packets': 1433, 'rx_frame_err': 0,
'rx_bytes': 125334, 'tx_errors': 0, 'rx_crc_err': 0, 'collisions': 0,
'rx_errors': 0, 'tx_bytes': 120620, 'rx_dropped': 0, 'tx_packets': 1487,
'port_no': 2},
{'rx_over_err': 0, 'tx_dropped': 0, 'rx_packets': 1473, 'rx_frame_err': 0,
'rx_bytes': 153726, 'tx_errors': 0, 'rx_crc_err': 0, 'collisions': 0,
'rx_errors': 0, 'tx_bytes': 548648, 'rx_dropped': 0, 'tx_packets': 1983,
'port_no': 4},
{'rx_over_err': 0, 'tx_dropped': 0, 'rx_packets': 0, 'rx_frame_err': 0,
'rx_bytes': 0, 'tx_errors': 0, 'rx_crc_err': 0, 'collisions': 0,
'rx_errors': 0, 'tx_bytes': 24821, 'rx_dropped': 0, 'tx_packets': 445,
'port_no': 65534},
{'rx_over_err': 0, 'tx_dropped': 0, 'rx_packets': 68471, 'rx_frame_err': 0,
'rx_bytes': 93026859, 'tx_errors': 0, 'rx_crc_err': 0, 'collisions': 0,
'rx_errors': 0, 'tx_bytes': 4694820, 'rx_dropped': 0, 'tx_packets': 65227,
'port_no': 1}]

PortStatsReceived from 00-00-00-00-00-01:
 [{'rx_over_err': 0, 'tx_dropped': 0, 'rx_packets': 74184, 'rx_frame_err':
0, 'rx_bytes': 5326195, 'tx_errors': 0, 'rx_crc_err': 0, 'collisions': 0,
'rx_errors': 0, 'tx_bytes': 115525746, 'rx_dropped': 0, 'tx_packets':
88261, 'port_no': 3},
{'rx_over_err': 0, 'tx_dropped': 0, 'rx_packets': 5341, 'rx_frame_err': 0,
'rx_bytes': 1991874, 'tx_errors': 0, 'rx_crc_err': 0, 'collisions': 0,
'rx_errors': 0, 'tx_bytes': 394175, 'rx_dropped': 0, 'tx_packets': 4159,
'port_no': 2},
{'rx_over_err': 0, 'tx_dropped': 0, 'rx_packets': 4, 'rx_frame_err': 0,
'rx_bytes': 300, 'tx_errors': 0, 'rx_crc_err': 0, 'collisions': 0,
'rx_errors': 0, 'tx_bytes': 52534, 'rx_dropped': 0, 'tx_packets': 1114,
'port_no': 5},
{'rx_over_err': 0, 'tx_dropped': 0, 'rx_packets': 84847, 'rx_frame_err': 0,
'rx_bytes': 113724236, 'tx_errors': 0, 'rx_crc_err': 0, 'collisions': 0,
'rx_errors': 0, 'tx_bytes': 5170308, 'rx_dropped': 0, 'tx_packets': 73127,
'port_no': 4},
{'rx_over_err': 0, 'tx_dropped': 0, 'rx_packets': 0, 'rx_frame_err': 0,
'rx_bytes': 0, 'tx_errors': 0, 'rx_crc_err': 0, 'collisions': 0,
'rx_errors': 0, 'tx_bytes': 38496, 'rx_dropped': 0, 'tx_packets': 769,
'port_no': 65534},
{'rx_over_err': 0, 'tx_dropped': 0, 'rx_packets': 1707, 'rx_frame_err': 0,
'rx_bytes': 144850, 'tx_errors': 0, 'rx_crc_err': 0, 'collisions': 0,
'rx_errors': 0, 'tx_bytes': 186758, 'rx_dropped': 0, 'tx_packets': 2454,
'port_no': 1}]

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thanks
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