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authorLen Brown <len.brown@intel.com>2024-04-24 21:12:18 -0400
committerLen Brown <len.brown@intel.com>2024-05-15 21:50:06 -0400
commit78464d7681f79bb48995c3d29d7e93d27ba69bca (patch)
tree61d882677a91aa825bc489340d52a72cd3c6888e /tools/power/x86/turbostat/turbostat.8
parent0e39702fbbcdb16ad349439065d24a3bb5e2f331 (diff)
tools/power turbostat: Add columns for clustered uncore frequency
New machines have multiple uncore frequencies per package, visible in /sys/devices/system/cpu/intel_uncore_frequency/uncore##/ turbostat now samples these frequencies each measurement interval. For each package, turbostat now prints "UMHzX.Y" columns, where X = domain_id, and Y = fabric_cluster_id. The system summary for each UMHzX.Y column is the average value for across all of the packages in the system. Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'tools/power/x86/turbostat/turbostat.8')
-rw-r--r--tools/power/x86/turbostat/turbostat.84
1 files changed, 3 insertions, 1 deletions
diff --git a/tools/power/x86/turbostat/turbostat.8 b/tools/power/x86/turbostat/turbostat.8
index 0d3672e5d9ed..8d37acd39201 100644
--- a/tools/power/x86/turbostat/turbostat.8
+++ b/tools/power/x86/turbostat/turbostat.8
@@ -155,7 +155,9 @@ The system configuration dump (if --quiet is not used) is followed by statistics
.PP
\fBRAM_%\fP percent of the interval that RAPL throttling was active on DRAM.
.PP
-\fBUncMHz\fP uncore MHz, instantaneous sample.
+\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.
.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.