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smbstat(8)

System Administration Commands                                      smbstat(8)



NAME
       smbstat - Show Solaris SMB file server statistics

SYNOPSIS
       smbstat [-r [-n [-a | -z] -v ]] [-t] [-u] [-c] [interval [count]

DESCRIPTION
       The  smbstat  command  shows  statistical  information  for the smbd(8)
       server. smbstat has a number of options, described below, and two oper‐
       ands, interval and count. The first table summarizes the activity since
       the server started. Each subsequent table summarizes the  activity  for
       the preceding interval.


       By default, the smbstat command shows all statistics.

OPTIONS
       The smbstat command includes the following options:

       -c

           Display counters.


       -r

           Display the statistics of the requests. You can combine -r with the
           following options.

           -a

               Display statistics  for  all  the  types  of  server  requests,
               whether valid or not. The -a and -z options are mutually exclu‐
               sive.


           -n

               Display in alphabetic order.


           -z

               Display statistics for requests actually received. The  -a  and
               -z options are mutually exclusive.


           -v version

               Specify the SMB version for which to print statistics. The ver‐
               sion argument, 1, 2, or 3 requests  statistics  for  only  that
               version.  Without  -v option, smbstat prints statistics for all
               versions.



       -t

           Display the throughput of the SMB server.


       -u

           Display the utilization of the SMB server.


EXTENDED DESCRIPTION
       The smbstat command displays the headings  shown  below.  The  headings
       displayed  for  a  given  command vary according to which option(s) are
       specified. There are four categories of headings, corresponding to cat‐
       egories  of statistics: counters, throughput, utilization, and (server)
       requests.

   Counters
       nbt

           Number of SMB NetBIOS-over-TCP (NBT) sessions.


       tcp

           Number of SMB TCP sessions.


       users

           Number of users logged in.


       trees

           Number of trees connected.


       files

           Number of open files.


       pipes

           Number of open pipes.


       idle

           Number of idle connections timed out and disconnected.


   Throughput
       rbytes/s

           Number of bytes received per second.


       tbytes/s

           Number of bytes transmitted per second.


       reqs/s

           Number of requests handled per second.


       reads/s

           Number of read requests per second. This would be an aggregation of
           the   following   requests:   SMB_COM_READ,  SMB_COM_LOCK_AND_READ,
           SMB_COM_READ_ANDX and SMB2_READ.


       writes/s

           Number of write requests per second. This would be  an  aggregation
           of the following requests: SMB_COM_WRITE, SMB_COM_WRITE_AND_UNLOCK,
           SMB_COM_WRITE_AND_CLOSE and SMB2_WRITE.


   Utilization
       wcnt

           Average number of requests received but waiting for an  SMB  worker
           thread to execute them.


       rcnt

           Average  number of requests being simultaneously executed by an SMB
           worker thread.


       wtime

           Average time a request waits before an  SMB  worker  thread  starts
           executing it.


       rtime

           Average execution time of a request.


       w%

           Percentage  of the time during which at least one request was wait‐
           ing.


       r%

           Percentage of the time during which at least one request was  being
           executed.


       u%

           Percentage of utilization of the SMB server. This number is defined
           as: rcnt / (max_worker_threads).


       sat

           Flag indicating if the server has been saturated in the past. Satu‐
           ration is defined as: u% == 100%.


       usr%

           Percentage of the time the processor(s) spent in user space.


       sys%

           Percentage of the time the processor(s) spent in kernel space.


       idle%

           Percentage of the time the processor(s) was(were) idle.


   Requests
       The following headings are displayed for each type of request.

       code

           Code of the request, in hexadecimal.


       %

           Percentage of a given type of request.


       count

           Number of requests received.


       rbytes/s

           Number of bytes received per second.


       tbytes/s

           Number of bytes received per second.


       req/s

           Number of requests handled per second.


       rt-mean

           Average response time in seconds.


       rt-stddev

           Standard deviation of the response time.


OPERANDS
       The following operand is supported

       count       Number of times statistics are printed.


       interval    Report once each interval seconds.


EXAMPLES
       Example 1 Combining Options



       The following command combines the -c, -t, and -u options.


         % smbstat -ctu
         nbt   tcp users trees files pipes  idle
         0     1     1     2    20     0       0

         rbytes/s   tbytes/s    reqs/s     reads/s   writes/s
         1.036e+02  1.298e+00  0.000e+00  0.000e+00  0.000e+00

         wcnt       rcnt       wtime      rtime       w%   r%  u% sat usr% sys% idle%
         4.317e-01  7.410e+00  2.461e-05  4.224e-04   31  100  0  no  0    76   24



       Example 2 Displaying SMB2 Requests



       The  following  command  displays  sample  output  for  displaying smb2
       requests.


         # smbstat -rv 2
         SMB v2 Requests:
         .
                                          code   %    count     rbytes/s   tbytes/s
         req/s     rt-mean   rt-stddev
                          Smb2Negotiate  00    0         70  0.000e+00  0.000e+00
         0.000e+00  3.525e-03  2.450e-05
                       Smb2SessionSetup  01    0        140  0.000e+00  0.000e+00
         0.000e+00  9.640e-03  7.446e-04
                             Smb2Logoff  02    0          3  0.000e+00  0.000e+00
         0.000e+00  7.113e-05  1.766e-05
                        Smb2TreeConnect  03    0         70  0.000e+00  0.000e+00
         0.000e+00  8.932e-05  2.867e-07
                     Smb2TreeDisconnect  04    0          2  0.000e+00  0.000e+00
         0.000e+00  5.658e-06  1.036e-06
                             Smb2Create  05    0        622  0.000e+00  0.000e+00
         0.000e+00  3.353e-02  1.342e-03
                              Smb2Close  06    0        345  0.000e+00  0.000e+00
         0.000e+00  1.345e-05  7.645e-08
                              Smb2Flush  07    0          2  0.000e+00  0.000e+00
         0.000e+00  1.647e-02  1.647e-02
                               Smb2Read  08    0         52  0.000e+00  0.000e+00
         0.000e+00  3.547e-05  3.660e-06
                              Smb2Write  09    0        101  3.513e+00  0.000e+00
         0.000e+00  5.088e-04  3.865e-06
                               Smb2Lock  0A    0          1  0.000e+00  0.000e+00
         0.000e+00  1.528e-05  0.000e+00
                              Smb2Ioctl  0B    0          0  0.000e+00  0.000e+00
         0.000e+00  0.000e+00  0.000e+00
                             Smb2Cancel  0C    0          0  0.000e+00  0.000e+00
         0.000e+00  0.000e+00  0.000e+00
                               Smb2Echo  0D    0          1  0.000e+00  0.000e+00
         0.000e+00  4.601e-06  0.000e+00
                     Smb2QueryDirectory  0E    0         38  0.000e+00  0.000e+00
         0.000e+00  9.123e-05  1.154e-05
                       Smb2ChangeNotify  0F    0          0  0.000e+00  0.000e+00
         0.000e+00  0.000e+00  0.000e+00
                          Smb2QueryInfo  10    0         55  0.000e+00  0.000e+00
         0.000e+00  4.634e-05  6.007e-06
                            Smb2SetInfo  11    0          9  0.000e+00  0.000e+00
         0.000e+00  9.772e-05  2.421e-05
                        Smb2OplockBreak  12    0         11  0.000e+00  0.000e+00
         0.000e+00  9.808e-06  2.308e-07


EXIT STATUS
       The following exit values are returned:

       0            Successful completion.


       >0           An error occurred.


ATTRIBUTES
       See the attributes(7)  man  page  for  descriptions  of  the  following
       attributes:


       tab()  box; cw(2.75i) |cw(2.75i) lw(2.75i) |lw(2.75i) ATTRIBUTE TYPEAT‐
       TRIBUTE VALUE _ Availabilityservice/file-system/smb _ Interface Stabil‐
       ityUncommitted _ Utility Output FormatNot-an-Interface


SEE ALSO
       attributes(7), sharectl(8), smbadm(8), smbd(8)



Oracle Solaris 11.4               03 Nov 2016                       smbstat(8)
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