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-rw-r--r--tools/power/x86/turbostat/turbostat.81
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diff --git a/tools/power/x86/turbostat/turbostat.8 b/tools/power/x86/turbostat/turbostat.8
index a3cf1d17163a..e4b00e13302b 100644
--- a/tools/power/x86/turbostat/turbostat.8
+++ b/tools/power/x86/turbostat/turbostat.8
@@ -199,6 +199,7 @@ The system configuration dump (if --quiet is not used) is followed by statistics
\fBUncMHz\fP per-package uncore MHz, instantaneous sample.
.PP
\fBUMHz1.0\fP per-package uncore MHz for domain=1 and fabric_cluster=0, instantaneous sample. System summary is the average of all packages.
+For the "--show" and "--hide" options, use "UncMHz" to operate on all UMHz*.* as a group.
.SH TOO MUCH INFORMATION EXAMPLE
By default, turbostat dumps all possible information -- a system configuration header, followed by columns for all counters.
This is ideal for remote debugging, use the "--out" option to save everything to a text file, and get that file to the expert helping you debug.