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authorTobias Klauser <tklauser@distanz.ch>2013-06-09 12:22:31 +0200
committerTobias Klauser <tklauser@distanz.ch>2013-06-09 12:22:31 +0200
commit018c335234541592924885a0229e2afd716608ef (patch)
tree66f294c4dc0ce14b2aa0c76f0f5f1b83bca6dd1c
parent327eaa2ec7596fd22444c80bac10ed6c23196d2b (diff)
man: ifpps: Reword a few sentences or make them shorter
Fix some minor nits in the description part and remove a superfluous comma in the description of option -d/--dev. Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
-rw-r--r--ifpps.812
1 files changed, 6 insertions, 6 deletions
diff --git a/ifpps.8 b/ifpps.8
index 6934493..72b7477 100644
--- a/ifpps.8
+++ b/ifpps.8
@@ -14,8 +14,8 @@ ifpps \- top-like networking and system statistics
.PP
ifpps is a small utility which periodically provides top-like networking
and system statistics from the kernel. ifpps gathers its data directly
-from procfs files and does not apply any user space monitoring libraries
-which would falsify statistics under high load.
+from procfs files and does not make use of any user space monitoring
+libraries which would falsify statistics under high load.
.PP
For instance, consider the following scenario: two directly connected
Linux machines with Intel Core 2 Quad Q6600 2.40GHz CPUs, 4 GB RAM, and
@@ -28,10 +28,10 @@ iptraf(8) and ii) ifpps.
iptraf which incorporates pcap(3) shows an average packet rate of
246,000 pps while on the other hand ifpps shows an average packet rate
of 1,378,000 pps. Hence, due to packet copies and deferring statistics
-creation into user space, a measurement error of approximately 460 per cent
+creation into user space, a measurement error of approximately 460 percent
occurs. Tools like iptraf might display much more information such as
-TCP per flow statistics (hence the use of the pcap library), that is not
-possible with ifpps, because overall networking statistics are our focus;
+TCP per flow statistics (hence the use of the pcap library). This is not
+possible with ifpps, because overall networking statistics are its focus;
statistics, which are also fairly reliable under high packet load.
.PP
ifpps also periodically displays CPU load, interrupt, software interrupt
@@ -45,7 +45,7 @@ The least heavy hitter will always be displayed and is marked with
.SH OPTIONS
.PP
.SS -d <netdev>, --dev <netdev>
-Networking device to fetch statistics from, for example, eth0, wlan0.
+Networking device to fetch statistics from, for example eth0, wlan0.
.PP
.SS -t <time>, --interval <time>
Statistics refresh interval in milliseconds, default is 1000ms.