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authorDaniel Borkmann <dborkman@redhat.com>2013-05-27 17:26:45 +0200
committerDaniel Borkmann <dborkman@redhat.com>2013-05-27 17:26:45 +0200
commited9e564df5d7ac20485661f3268609c7619331b6 (patch)
tree4b3378c854e784c7fa63e47d2118a2831bf30117
parent4d1e7a9f186e32eb701ccedeefd677f4a068552b (diff)
man: ifpps: document ifpps behaviour when CPU > 10
Document the behaviour of ifpps when we switch to heavy hitter mode. Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
-rw-r--r--ifpps.85
1 files changed, 5 insertions, 0 deletions
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>