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authorLen Brown <len.brown@intel.com>2025-04-06 12:23:22 -0400
committerLen Brown <len.brown@intel.com>2025-04-06 12:31:59 -0400
commit3ae8508663372b93c5556a887e96ed0ca5df0711 (patch)
treecc81d0e66d74e73fc549f0ca4edecd5f6a82e884
parentf729775f79a9c942c6c82ed6b44bd030afe10423 (diff)
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tools/power turbostat: Document GNR UncMHz domain convention
Document that on Intel Granite Rapids Systems, Uncore domains 0-2 are CPU domains, and uncore domains 3-4 are IO domains. Signed-off-by: Len Brown <len.brown@intel.com>
-rw-r--r--tools/power/x86/turbostat/turbostat.81
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/power/x86/turbostat/turbostat.8 b/tools/power/x86/turbostat/turbostat.8
index 144565151e1e..e86493880c16 100644
--- a/tools/power/x86/turbostat/turbostat.8
+++ b/tools/power/x86/turbostat/turbostat.8
@@ -205,6 +205,7 @@ 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.
+Intel Granite Rapids systems use domains 0-2 for CPUs, and 3-4 for IO, with cluster always 0.
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.