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pmcstat: Warn about text output format stability.
The formats for pmcstat(8)'s human-readable output are not part of its user interface definition, and may change in the future. Highlight this in its manual page. Approved by: gnn (mentor) Differential Revision: https://reviews.freebsd.org/D39249
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@ -25,7 +25,7 @@
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.\"
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.\" $FreeBSD$
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.\"
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.Dd August 17, 2020
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.Dd March 24, 2023
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.Dt PMCSTAT 8
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.Os
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.Sh NAME
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@ -107,6 +107,10 @@ counting and sampling flavors.
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The values of all counting PMCs are printed in human readable form
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at regular intervals by
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.Nm .
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The format of
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.Nm Ns 's
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human-readable textual output is not stable, and could change
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in the future.
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The output of sampling PMCs may be configured to go to a log file for
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subsequent offline analysis, or, at the expense of greater
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overhead, may be configured to be printed in text form on the fly.
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