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Comment 5Julio Entrena Perez
2011-02-17 17:02:52 UTC
The kernel module for the QLogic FibreChannel HBAs does not provide the
performance statistics announced at /sys/class/fc_host/host?/statistics:
[root statistics]# pwd
/sys/class/fc_host/host5/statistics
[root statistics]# for i in `ls`
> do
> echo -n "$i: "
> cat $i
> done
dumped_frames: 0xffffffffffffffff
error_frames: 0xffffffffffffffff
fcp_control_requests: 0xffffffffffffffff
fcp_input_megabytes: 0x613
fcp_input_requests: 0xffffffffffffffff
fcp_output_megabytes: 0x36a
fcp_output_requests: 0xffffffffffffffff
invalid_crc_count: 0x0
invalid_tx_word_count: 0xb
link_failure_count: 0x0
lip_count: 0xffffffffffffffff
loss_of_signal_count: 0x1
loss_of_sync_count: 0x1
nos_count: 0xffffffffffffffff
prim_seq_protocol_err_count: 0x0
reset_statistics: cat: reset_statistics: Permission denied
rx_frames: 0xffffffffffffffff
rx_words: 0xffffffffffffffff
seconds_since_last_reset: 0xffffffffffffffff
tx_frames: 0xffffffffffffffff
tx_words: 0xffffffffffffffff
Most values have -1 values. Furthermore, the QLogic SANSurfer CLI is not able
to display HBA statistics from the Red Hat provided driver:
[root statistics]# scli -gs 0
This feature is not supported with current driver!
The driver should provide this information and/or should support the QLogic
SANSurfer CLI utility.
Currently the QLogic driver provided by Red Hat does not provide this
information. The QLogic driver provided by QLogic does.
Files in /sys/class/fc_host/host?/statistics should show the proper statistics
information for each HBA. Also, if possible, the QLogic SANSurfer utility should be able to grab this information from the driver too.
Comment 7Julio Entrena Perez
2011-03-18 12:35:57 UTC
According to Bug #642422, we can't really export more fc host statistics as we already export what is available from our firmware. Closing.
The kernel module for the QLogic FibreChannel HBAs does not provide the performance statistics announced at /sys/class/fc_host/host?/statistics: [root statistics]# pwd /sys/class/fc_host/host5/statistics [root statistics]# for i in `ls` > do > echo -n "$i: " > cat $i > done dumped_frames: 0xffffffffffffffff error_frames: 0xffffffffffffffff fcp_control_requests: 0xffffffffffffffff fcp_input_megabytes: 0x613 fcp_input_requests: 0xffffffffffffffff fcp_output_megabytes: 0x36a fcp_output_requests: 0xffffffffffffffff invalid_crc_count: 0x0 invalid_tx_word_count: 0xb link_failure_count: 0x0 lip_count: 0xffffffffffffffff loss_of_signal_count: 0x1 loss_of_sync_count: 0x1 nos_count: 0xffffffffffffffff prim_seq_protocol_err_count: 0x0 reset_statistics: cat: reset_statistics: Permission denied rx_frames: 0xffffffffffffffff rx_words: 0xffffffffffffffff seconds_since_last_reset: 0xffffffffffffffff tx_frames: 0xffffffffffffffff tx_words: 0xffffffffffffffff Most values have -1 values. Furthermore, the QLogic SANSurfer CLI is not able to display HBA statistics from the Red Hat provided driver: [root statistics]# scli -gs 0 This feature is not supported with current driver! The driver should provide this information and/or should support the QLogic SANSurfer CLI utility. Currently the QLogic driver provided by Red Hat does not provide this information. The QLogic driver provided by QLogic does. Files in /sys/class/fc_host/host?/statistics should show the proper statistics information for each HBA. Also, if possible, the QLogic SANSurfer utility should be able to grab this information from the driver too.