Performance Monitor - Hitachi GVX-CC64GxBX series User Manual

Performance Monitor

This function is available in hfcmgr version higher than or equal to 8.0, in Windows/Linux
environments. hfcmgr version can be checked by executing a command, "hfcmgr -g". For
details, refer to "Display General Information".
[Function] This command shows statistical information collected by devices or drivers.
Statistical information includes data such as total count of I/Os after OS boot, I/O size
distribution, processing times to send/receive I/Os. This command displays statistical
information for each port, but a core id number can be specified to display and statistical
information of each core can be indicated.
[Syntax]
<Display I/O Total Counts>
hfcmgr -pm <logical-device-name> count [core] [vport { <vport number>|all} ]
<Display I/O Size Distribution >
hfcmgr -pm <logical-device-name> io [core] [vport { <vport number>|all } ]
<Display I/O Processing Time>
hfcmgr -pm <logical-device-name> latency [core] [vport { <vport number>|all }
<Reset Performance Counters>
hfcmgr -pm <logical-device-name> io clear
core :
vport <vport no> :
# ./hfcmgr -pm hfcldd0 count vport 1
Time:2013/10/19 00:25:33
------------------------------------------------------------
------------------------------------------------------------
vport
vport1
vport1
Display statistical information for each core.
Display statistical information for each virtual fibre channel port.
For identify the id number of virtual fibre channel port, refer to
"Display General Information ". A vport number can be specified as
shown below.
WWPN:50000870005b4092 Device:hfcldd0
Entry
WRCnt 0
RDCnt 208
:
When "vport all" is specified as command-line parameter, hfcmgr
displays information of "vport 0" and all configured vports. The
information displayed as "vport 0" corresponds to the result without
the command-line parameter "vport", or the information of the
physical Fibre Channel port that contains the vport.
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