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authorTobias Klauser <tklauser@distanz.ch>2013-07-12 11:28:11 +0200
committerTobias Klauser <tklauser@distanz.ch>2013-07-12 11:30:14 +0200
commit971b1d95e2e3d1ddc640e33f8cab06396cf10661 (patch)
treec54fdd1cb3f8c22dabbab450501b5a1b21de50ea /ifpps.8
parent863800b1019cc92d6c20de4a9d5cd02682ad9177 (diff)
ifpps: Optionally display median values for CPU load and interrupts
Using the -m/--median command line option, median values across all CPUs are displayed for CPU load, interrupts per interval, sw interrupts per interval and absolute number of interrupts. Also update the manpage accordingly. Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Diffstat (limited to 'ifpps.8')
-rw-r--r--ifpps.87
1 files changed, 6 insertions, 1 deletions
diff --git a/ifpps.8 b/ifpps.8
index 16bbf6d..c151899 100644
--- a/ifpps.8
+++ b/ifpps.8
@@ -41,7 +41,8 @@ the number of CPUs exceeds 5 or the number specified by the user with the
heavy hitters. The topmost heavy hitter CPU will be marked with \[lq]+\[rq].
The least heavy hitter will always be displayed and is marked with
\[lq]-\[rq]. In addition, the average for all the above per-CPU data is
-shown.
+shown. Optionally the median values can be displayed using the \[lq]\-m\[rq]
+command line option.
.PP
ifpps also supports directly the gnuplot(1) data sample format. This
facilitates creation of gnuplot figures from ifpps time series.
@@ -70,6 +71,10 @@ is only available, if option \[lq]\-c\[rq] is given. For \[lq]\-l\[rq] it is
usually recommended to redirect the output into a file that is to be be
processed later with gnuplot(1).
.PP
+.SS -m, --median
+Show median values across all CPUs for CPU load, interrupts (per interval and
+absolute) and software interrupts.
+.PP
.SS -W, --no-warn
Suppress possible warnings in the ncurses output, e.g. about a too low sampling
interval that could cause performance regression.