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diff --git a/ifpps.8 b/ifpps.8
index 2a158ba..12c8d8a 100644
--- a/ifpps.8
+++ b/ifpps.8
@@ -34,6 +34,11 @@ TCP per flow statistics (hence the use of the pcap library), that is not
possible with ifpps, because overall networking statistics are our focus;
statistics, which are also fairly reliable under high packet load.
.PP
+ifpps also periodically displays CPU load, interrupt, software interrupt
+data per sample interval as well as total interrupts, all per CPU. In case
+the number of CPUs exceed 10, ifpps will then only display the top heavy
+hitters.
+.PP
.SH OPTIONS
.PP
.SS -d <netdev>, --dev <netdev>