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ntp_mon(5)                    File Formats Manual                   ntp_mon(5)

NAME
       ntp_mon - Monitoring Options

INTRODUCTION
       The  ntpd  includes  a comprehensive monitoring facility which collects
       statistical data of various types and writes the data to files  associ-
       ated  with  each type at defined events or intervals. The files associ-
       ated with a particular type are collectively called the generation file
       set  for  that  type. The files in the file set are the members of that
       set.
       File sets have names specific to the type  and  generation  epoch.  The
       names are constructed from three concatenated elements prefix, filename
       and suffix:

       prefix  The directory path specified in the statsdir command.
       name    The name specified by the file option of the filegen command.
       suffix  A string of elements bdginning with . (dot) followed by a  num-
               ber of elements depending on the file set type.
       Statistics files can be managed using scripts, examples of which are in
       the ./scripts directory. Using these or similar scripts and  Unix  cron
       jobs, the files can be automatically summarized and archived for retro-
       spective analysis.

MONITORING COMMANDS
       filegen name file filename [type type] [link | nolink] [enable  |  dis-
       able]

               name    Specifies  the  file set type from the list in the next
                       section.
               file filename
                       Specfies the file set name.
               type typename
                       Specifies the file set interval. The  following  inter-
                       vals are supported with default day:

                       none    The file set is actually a single plain file.
                       pid     One file set member is created for every incar-
                               nation of ntpd. The file  name  suffix  is  the
                               string  .n,  where  n  is the process ID of the
                               ntpd server process.
                       day     One file set member is created per day.  A  day
                               is  defined  as  the  period  between 00:00 and
                               23:59 UTC. The file name suffix is  the  string
                               .yyyymmdd, where yyyy is the year, mm the month
                               of the year and dd the day of the month.  Thus,
                               member  created  on 10 December 1992 would have
                               suffix .19921210.
                       week    One file set member is created  per  week.  The
                               week  is  defined  as the day of year modulo 7.
                               The file name suffix is  the  string  .yyyyWww,
                               where yyyy is the year, W stands for itself and
                               ww the week number starting from 0.  For  exam-
                               ple,  The  member  created  on  10 January 1992
                               would have suffix .1992W1.
                       month   One file set member is created per  month.  The
                               file  name  suffix is the string .yyyymm, where
                               yyyy is the year and mm the month of  the  year
                               starting  from  1. For example, The member cre-
                               ated on  10  January  1992  would  have  suffix
                               .199201.
                       year    One  file set member is generated per year. The
                               file name suffix is  the  string  .yyyy,  where
                               yyyy  is the year. For example, The member cre-
                               ated on 1 January 1992 would have suffix .1992.
                       age     One file set member is generated every 24 hours
                               of  ntpd  operation. The filename suffix is the
                               string .adddddddd, where a  stands  for  itself
                               and  dddddddd  is the ntpd running time in sec-
                               onds at the start of the corresponding  24-hour
                               period.

               link | nolink
                       It  is convenient to be able to access the current file
                       set members by file name, but without the suffix.  This
                       feature  is  enabled by link and disabled by nolink. If
                       enabled, which is the default, a  hard  link  from  the
                       current  file  set  member  to a file without suffix is
                       created. When there is already a file  with  this  name
                       and  the  number  of  links  to this file is one, it is
                       renamed by appending a dot, the letter C, and  the  pid
                       of the ntpd server process. When the number of links is
                       greater than one, the file is unlinked. This allows the
                       current file to be accessed by a constant name.
               enable | disable
                       Enable  or disable the recording function, with default
                       enable. These options  are  intended  for  remote  con-
                       figutation commands.

       statsdir directory_path
               Specify the directory path prefix for statistics file names.

FILE SET TYPES
       clockstats
               Record  reference clock statistics. Each update received from a
               reference clock driver appends one line to the clockstats  file
               set: 49213 525.624 127.127.4.1 93 226 00:08:29.606 D

               +-----------------+--------------+-----------------------------+
               | Item            |    Units     |   Description               |
               +-----------------+--------------+-----------------------------+
               | 49213           |    MJD       |   date                      |
               +-----------------+--------------+-----------------------------+
               | 525.624         |    s         |   time past midnight        |
               +-----------------+--------------+-----------------------------+
               | 127.127.4.1     |    IP        |   reference clock address   |
               +-----------------+--------------+-----------------------------+
               | message         |    text      |   log message               |
               +-----------------+--------------+-----------------------------+
               The  message  field  includes  the  last  timecode  received in
               decoded ASCII format, where meaningful. In some  cases  a  good
               deal  of  additional  information is displayed. See information
               specific to each reference clock for further details.
       cryptostats
               Record significant events in the Autokey protocol. This  option
               requires the OpenSSL cryptographic software library. Each event
               appends one line to the cryptostats  file  set:  49213  525.624
               128.4.1.1 message

               +------------+----------+--------------------------------------+
               |Item        |  Units   |  Description                         |
               +------------+----------+--------------------------------------+
               |49213       |  MJD     |  date                                |
               +------------+----------+--------------------------------------+
               |525.624     |  s       |  time past midnight                  |
               +------------+----------+--------------------------------------+
               |128.4.1.1   |  IP      |  source address (0.0.0.0 for system) |
               +------------+----------+--------------------------------------+
               |message     |  text    |  log message                         |
               +------------+----------+--------------------------------------+
               The  message field includes the message type and certain ancil-
               lary information. See the Authentication Options page for  fur-
               ther information.
       loopstats
               Record  clock  discipline  loop  statistics.  Each system clock
               update appends one  line  to  the  loopstats  file  set:  50935
               75440.031 0.000006019 13.778 0.000351733 0.013380 6

               +-------------+----------+-------------------------------------+
               |Item         | Units    | Description                         |
               +-------------+----------+-------------------------------------+
               |50935        | MJD      | date                                |
               +-------------+----------+-------------------------------------+
               |75440.031    | s        | time past midnight                  |
               +-------------+----------+-------------------------------------+
               |0.000006019  | s        | clock offset                        |
               +-------------+----------+-------------------------------------+
               |13.778       | PPM      | frequency offset                    |
               +-------------+----------+-------------------------------------+
               |0.000351733  | s        | RMS jitter                          |
               +-------------+----------+-------------------------------------+
               |0.013380     | PPM      | RMS frequency jitter (aka wander)   |
               +-------------+----------+-------------------------------------+
               |6            | log2 s   | clock discipline loop time constant |
               +-------------+----------+-------------------------------------+
       peerstats
               Record  peer  statistics.  Each  NTP  packet or reference clock
               update received appends one line to  the  peerstats  file  set:
               48773   10847.650  127.127.4.1  9714  -0.001605376  0.000000000
               0.001424877 0.000958674

               +-------------------+---------------+--------------------------+
               |  Item             |     Units     |     Description          |
               +-------------------+---------------+--------------------------+
               |  48773            |     MJD       |     date                 |
               +-------------------+---------------+--------------------------+
               |  10847.650        |     s         |     time past midnight   |
               +-------------------+---------------+--------------------------+
               |  127.127.4.1      |     IP        |     source address       |
               +-------------------+---------------+--------------------------+
               |  9714             |     hex       |     status word          |
               +-------------------+---------------+--------------------------+
               |  -0.001605376     |     s         |     clock offset         |
               +-------------------+---------------+--------------------------+
               |  0.000000000      |     s         |     roundtrip delay      |
               +-------------------+---------------+--------------------------+
               |  0.001424877      |     s         |     dispersion           |
               +-------------------+---------------+--------------------------+
               |  0.000958674      |     s         |     RMS jitter           |
               +-------------------+---------------+--------------------------+
               The status field is encoded in hex format as described  in  Ap-
               pendix B of the NTP specification RFC 1305.
       protostats
               Record  significant peer, system and [rptpcp; events. Each sig-
               nificant event appends one line to  the  protostats  file  set:
               49213 525.624 128.4.1.1 963a 8a message

               +------------+----------+--------------------------------------+
               |Item        |  Units   |  Description                         |
               +------------+----------+--------------------------------------+
               |49213       |  MJD     |  date                                |
               +------------+----------+--------------------------------------+
               |525.624     |  s       |  time past midnight                  |
               +------------+----------+--------------------------------------+
               |128.4.1.1   |  IP      |  source address (0.0.0.0 for system) |
               +------------+----------+--------------------------------------+
               |963a        |  code    |  status word                         |
               +------------+----------+--------------------------------------+
               |8a          |  code    |  event message code                  |
               +------------+----------+--------------------------------------+
               |message     |  text    |  event message                       |
               +------------+----------+--------------------------------------+
               The  event  message code and message field are described on the
               Event Messages and Status Words page.
       rawstats
               Record timestamp statistics. Each NTP packet  received  appends
               one  line  to  the  rawstats file set: 50928 2132.543 128.4.1.1
               128.4.1.20     3102453281.584327000      3102453281.58622800031
               02453332.540806000 3102453332.541458000

               +-------------------------+----------+-------------------------+
               |Item                     |  Units   |  Description            |
               +-------------------------+----------+-------------------------+
               |50928                    |  MJD     |  date                   |
               +-------------------------+----------+-------------------------+
               |2132.543                 |  s       |  time past midnight     |
               +-------------------------+----------+-------------------------+
               |128.4.1.1                |  IP      |  source address         |
               +-------------------------+----------+-------------------------+
               |128.4.1.20               |  IP      |  destination address    |
               +-------------------------+----------+-------------------------+
               |3102453281.584327000     |  NTP s   |  origin timestamp       |
               +-------------------------+----------+-------------------------+
               |3102453281.586228000     |  NTP s   |  receive timestamp      |
               +-------------------------+----------+-------------------------+
               |3102453332.540806000     |  NTP s   |  transmit timestamp     |
               +-------------------------+----------+-------------------------+
               |3102453332.541458000     |  NTP s   |  destination timestamp  |
               +-------------------------+----------+-------------------------+
       sysstats
               Record system statistics. Each hour one line is appended to the
               sysstats file set in the following format: 50928 2132.543  3600
               81965 0 9546 56 512 540 10 4 147 1

               +--------------+--------------+--------------------------------+
               | Item         |    Units     |   Description                  |
               +--------------+--------------+--------------------------------+
               | 50928        |    MJD       |   date                         |
               +--------------+--------------+--------------------------------+
               | 2132.543     |    s         |   time past midnight           |
               +--------------+--------------+--------------------------------+
               | 3600         |    s         |   time since reset             |
               +--------------+--------------+--------------------------------+
               | 81965        |    #         |   packets received             |
               +--------------+--------------+--------------------------------+
               | 0            |    #         |   packets for this host        |
               +--------------+--------------+--------------------------------+
               | 9546         |    #         |   current versions             |
               +--------------+--------------+--------------------------------+
               | 56           |    #         |   old version                  |
               +--------------+--------------+--------------------------------+
               | 512          |    #         |   access denied                |
               +--------------+--------------+--------------------------------+
               | 540          |    #         |   bad length or format         |
               +--------------+--------------+--------------------------------+
               | 10           |    #         |   bad authentication           |
               +--------------+--------------+--------------------------------+
               | 4            |    #         |   declined                     |
               +--------------+--------------+--------------------------------+
               | 147          |    #         |   rate exceeded                |
               +--------------+--------------+--------------------------------+
               | 1            |    #         |   kiss-o'-death packets sent   |
               +--------------+--------------+--------------------------------+
       timingstats
               (Only  available  when the deamon is compiled with process time
               debugging support (--enable-debug-timing - costs  performance).
               Record  processing  time  statistics  for various selected code
               paths.  53876 36.920 10.0.3.5 1  0.000014592  input  processing
               delay

               +--------------+---------+-------------------------------------+
               |Item          | Units   |  Description                        |
               +--------------+---------+-------------------------------------+
               |53876         | MJD     |  date                               |
               +--------------+---------+-------------------------------------+
               |36.920        | s       |  time past midnight                 |
               +--------------+---------+-------------------------------------+
               |10.0.3.5      | IP      |  server address                     |
               +--------------+---------+-------------------------------------+
               |1             | #       |  event count                        |
               +--------------+---------+-------------------------------------+
               |0.000014592   | s       |  total time                         |
               +--------------+---------+-------------------------------------+
               |message       | text    |  code path description (see source) |
               +--------------+---------+-------------------------------------+

SEE ALSO
       ntp.conf(5), ntp_decode(5)
       The official HTML documentation.
       This file was automatically generated from HTML source.


                                                                    ntp_mon(5)