routerstat(8)

NAME

routerstat - print Lustre router statistics

SYNOPSIS

DESCRIPTION

routerstat displays LNET router statistics. If no INTERVAL is specified, the statistics are sampled and printed only once; otherwise, statistics are sampled and printed every interval seconds. Type Control-C to stop statistics printing.

Output includes the following fields:

M -

Number of messages currently being processed by LNET (The maximum number of messages ever processed by LNET concurrently)

E -

Number of LNET errors

S -

Total size (length) of messages sent in bytes. Number of messages sent

R -

Total size (length) of messages received in bytes. Number of messages received

F -

Total size (length) of messages routed in bytes. Number of messages routed

D -

Total size (length) of messages dropped in bytes. Number of messages dropped

When an interval is specified, additional lines of statistics are printed including the following fields:

M -

Number of messages currently being processed by LNET (The maximum number of messages ever processed by LNET concurrently)

E -

Number of LNET errors per second

S -

Rate of data sent in Mbytes per second. Count of messages sent per second

R -

Rate of data received in Mbytes per second. Count of messages received per second

F -

Rate of data routed in Mbytes per second. Count of messages routed per second

D -

Rate of data dropped in Mbytes per second. Count of messages dropped per second

FILES

/proc/sys/lnet/stats

EXAMPLES

# routerstat 1
M 0(13) E 0 S 117379184/4250 R 878480/4356 F 0/0 D 0/0
M   0( 13) E 0 S    7.00/     7 R    0.00/    14 F    0.00/     0 D 0.00/0
M   0( 13) E 0 S    7.00/     7 R    0.00/    14 F    0.00/     0 D 0.00/0
M   0( 13) E 0 S    8.00/     8 R    0.00/    16 F    0.00/     0 D 0.00/0
M   0( 13) E 0 S    7.00/     7 R    0.00/    14 F    0.00/     0 D 0.00/0
M   0( 13) E 0 S    7.00/     7 R    0.00/    14 F    0.00/     0 D 0.00/0
M   0( 13) E 0 S    7.00/     7 R    0.00/    14 F    0.00/     0 D 0.00/0
M   0( 13) E 0 S    7.00/     7 R    0.00/    14 F    0.00/     0 D 0.00/0
M   0( 13) E 0 S    8.00/     8 R    0.00/    16 F    0.00/     0 D 0.00/0
M   0( 13) E 0 S    7.00/     7 R    0.00/    14 F    0.00/     0 D 0.00/0
...

AVAILABILITY

routerstat is part of the lustre(7) filesystem package since release 0.7.0

SEE ALSO