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cmdmon: report new client and server statistics

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Report the new clientlog data in the clients and serverstats reports.

Add -k option to the clients command to select between command and
NTS-KE data.
This commit is contained in:
Miroslav Lichvar
2020-05-20 12:02:03 +02:00
parent f8df4789b1
commit ab54f76a38
7 changed files with 87 additions and 36 deletions
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42
doc/chronyc.adoc
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@@ -958,16 +958,17 @@ This command can be used to examine the effect of a series of *allow*, *allow
all*, *deny*, and *deny all* commands specified either via *chronyc*, or in
*chronyd*'s configuration file.
[[clients]]*clients* [*-p* _packets_] *[*-r*]::
[[clients]]*clients* [*-p* _packets_] [*-k*] [*-r*]::
This command shows a list of clients that have accessed the server, through
either the NTP or command ports. It does not include accesses over
the Unix domain command socket.
the NTP, command, or NTS-KE port. It does not include accesses over the Unix
domain command socket.
+
The *-p* option specifies the minimum number of received NTP or command
packets needed to include a client in the list. The default value is 0, i.e.
all clients are reported. If the *-r* option is specified, *chronyd* will reset
the counters of received and dropped packets after reporting the current
values.
packets, or accepted NTS-KE connections, needed to include a client in the
list. The default value is 0, i.e. all clients are reported. With the *-k*
option the last four columns will show the NTS-KE accesses instead of command
accesses. If the *-r* option is specified, *chronyd* will reset the counters of
received and dropped packets or connections after reporting the current values.
+
An example of the output is:
+
@@ -992,20 +993,22 @@ The columns are as follows:
. The average interval between NTP packets.
. The average interval between NTP packets after limiting the response rate.
. Time since the last NTP packet was received
. The number of command packets received from the client.
. The number of command packets dropped to limit the response rate.
. The average interval between command packets.
. Time since the last command packet was received.
. The number of command packets or NTS-KE connections received/accepted from
the client.
. The number of command packets or NTS-KE connections dropped to limit the
response rate.
. The average interval between command packets or NTS-KE connections.
. Time since the last command packet or NTS-KE connection was
received/accepted.
[[serverstats]]*serverstats*::
The *serverstats* command displays how many valid NTP and command requests
*chronyd* as a server received from clients, how many of them were dropped to
limit the response rate as configured by the
<<chrony.conf.adoc#ratelimit,*ratelimit*>> and
<<chrony.conf.adoc#cmdratelimit,*cmdratelimit*>> directives, and how many
The *serverstats* command displays how many valid NTP and command requests, and
NTS-KE connections, *chronyd* operating as a server received from clients, and
how many of them were dropped due to rate limiting. It also displays how many
client log records were dropped due to the memory limit configured by the
<<chrony.conf.adoc#clientloglimit,*clientloglimit*>> directive. An example of
the output is shown below.
<<chrony.conf.adoc#clientloglimit,*clientloglimit*>> directive and how many of
the NTP requests (from those which were not dropped) were authenticated. An
example of the output is shown below.
+
----
NTP packets received : 1598
@@ -1013,6 +1016,9 @@ NTP packets dropped : 8
Command packets received : 19
Command packets dropped : 0
Client log records dropped : 0
NTS-KE connections accepted: 3
NTS-KE connections dropped : 0
Authenticated NTP packets : 189
----
[[allow]]*allow* [*all*] [_subnet_]::