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Replace pmval and pmstat with pmrep in PCP metrics documentation - … #4909

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Replace pmval and pmstat with pmrep in PCP metrics documentation - … #4909

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9 changes: 6 additions & 3 deletions guides/common/modules/proc_retrieving-live-metrics.adoc
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Original file line number Diff line number Diff line change
Expand Up @@ -10,12 +10,12 @@ You can use the PCP CLI tools to retrieve live metrics.
* To print current values of a particular metric, enter the following command:
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----
# pmval -f 1 disk.partitions.write
# pmrep disk.partitions.write
----
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In this example, metric instances on writes to disk partitions are displayed.
PCP converts the number of writes to disk partitions from a counter value to a rate value.
The `-f 1` argument specifies to abbreviate the values to one decimal place.
The output is automatically formatted for readability.
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Example output:
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Expand All @@ -36,5 +36,8 @@ samples: all
* To print system performance summary every 2 seconds, enter the following command:
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----
# pmstat -t 2sec
# pmrep -t 2sec :sar-u :sar-r :sar-d
----
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This displays CPU utilization (`:sar-u`), memory usage (`:sar-r`), and disk activity (`:sar-d`) metrics.

12 changes: 6 additions & 6 deletions guides/common/modules/ref_retrieving-archived-metrics.adoc
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Expand Up @@ -22,17 +22,17 @@ You can use the PCP CLI tools to retrieve metrics from an archive file.
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[options="nowrap", subs="verbatim,quotes,attributes"]
----
# pmval --archive /var/log/pcp/pmlogger/_{foreman-example-com}_/_20230831.00.10_ \
-f 1 disk.partitions.write
# pmrep -a /var/log/pcp/pmlogger/_{foreman-example-com}_/_20230831.00.10_ \
disk.partitions.write
----
* List disk write operations per partition, with a 2-second interval, over the time period between 14:00 and 14:15:
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[options="nowrap", subs="verbatim,quotes,attributes"]
----
# pmval --archive /var/log/pcp/pmlogger/_{foreman-example-com}_/_20230831.00.10_ \
-d -t 2sec \
-f 3 disk.partitions.write \
-S @14:00 -T @14:15
# pmrep -a /var/log/pcp/pmlogger/_{foreman-example-com}_/_20230831.00.10_ \
-t 2sec \
-S @14:00 -T @14:15 \
disk.partitions.write
----
* List average values of all performance metrics, including the time and value of the minimum/maximum, over the time period between 14:00 and 14:30, and format the values as a table:
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