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To create a counter called perf_log using the % Processor time counter from the Processor(_Total) counter category, type:
logman create counter perf_log -c \Processor(_Total)\% Processor time
To update an existing counter called perf_log, changing the sample interval to 10, the log format to CSV, and adding versioning to the log file name in the format mmddhhmm, type:
logman update counter perf_log -si 10 -f csv -v mmddhhmm
logman update trace
Applies to: Windows Server 2022, Windows Server 2019, Windows Server 2016, Windows Server 2012 R2, Windows Server 2012
Updates the properties of an existing event trace data collector.
Syntax
logman update trace <[-n] <name>> [options]
Parameters
Parameter
Description
-s <computer name>
Performs the command on the specified remote computer.
-config <value>
Specifies the settings file containing command options.
-ets
Sends commands to Event Trace Sessions directly without saving or scheduling.
[-n] <name>
Name of the target object.
-f <bin|bincirc>
Specifies the log format for the data collector.
-[-]u <user [password]>
Specifies the user to Run As. Entering an * for the password produces a prompt for the password. The password is not displayed when you type it at the password prompt.
-m <[start] [stop] [[start] [stop] [...]]>
Changes to manual start or stop instead of a scheduled begin or end time.
-rf <[[hh:]mm:]ss>
Runs the data collector for the specified period of time.
-b <M/d/yyyy h:mm:ss[AM|PM]>
Begins collecting data at the specified time.
-e <M/d/yyyy h:mm:ss[AM|PM]>
Ends data collection at the specified time.
-o <path|dsn!log>
Specifies the output log file or the DSN and log set name in a SQL database.
-[-]r
Repeats the data collector daily at the specified begin and end times.
-[-]a
Appends an existing log file.
-[-]ow
Overwrites an existing log file.
-[-]v <nnnnnn|mmddhhmm>
Attaches file versioning information to the end of the log file name.
-[-]rc <task>
Runs the command specified each time the log is closed.
-[-]max <value>
Maximum log file size in MB or maximum number of records for SQL logs.
-[-]cnf <[[hh:]mm:]ss>
When time is specified, creates a new file when the specified time has elapsed. When time is not specified, creates a new file when the maximum size is exceeded.
-y
Answers yes to all questions without prompting.
-ct <perf|system|cycle>
Specifies the Event Trace Session clock type.