commit 3e25161ff6e7f57bc9b762462b5d068ad28e7d8e
parent cfe668ac3d578d7579722ab40be45da4e096445b
Author: Antoni Sawicki <tenox@google.com>
Date: Tue, 30 Apr 2019 18:31:45 -0700
readme fixes
Diffstat:
| M | README.md | | | 32 | ++++++++++++++++---------------- |
1 file changed, 16 insertions(+), 16 deletions(-)
diff --git a/README.md b/README.md
@@ -21,19 +21,19 @@ supports rate calculation for counters and up to two graphs on a single display
usage examples
==============
-### cpu usage from **vmstat** using awk to pick the right column
+### cpu usage from vmstat using awk to pick the right column
```
-vmstat -n 1 | gawk '{ print 100-int($(NF-2)); fflush(); }' | ttyplot
+vmstat -n 1 | gawk '{ print 100-int($(NF-2)); fflush(); }' | ttyplot
```
-### cpu usage from **sar** with title and fixed scale to 100%
+### cpu usage from sar with title and fixed scale to 100%
```
sar 1 | gawk '{ print 100-int($NF); fflush(); }' | ttyplot -s 100 -t "cpu usage" -u "%"
```
### memory usage from sar, using perl to pick the right column
```
-sar -r 1 | perl -lane 'BEGIN{$|=1} print "@F[5]"' | ttyplot -s 100 -t "memory used %" -u "%"
+sar -r 1 | perl -lane 'BEGIN{$|=1} print "@F[5]"' | ttyplot -s 100 -t "memory used %" -u "%"
```
### number of processes in running and io blocked state
@@ -41,7 +41,7 @@ sar -r 1 | perl -lane 'BEGIN{$|=1} print "@F[5]"' | ttyplot -s 100 -t "memory us
vmstat -n 1 | perl -lane 'BEGIN{$|=1} print "@F[0,1]"' | ttyplot -2 -t "procs in R and D state"
```
-### load average via **uptime** and awk
+### load average via uptime and awk
```
{ while true; do uptime | gawk '{ gsub(/,/, ""); print $(NF-2) }'; sleep 1; done } | ttyplot -t "load average" -s load
```
@@ -51,7 +51,7 @@ vmstat -n 1 | perl -lane 'BEGIN{$|=1} print "@F[0,1]"' | ttyplot -2 -t "procs in
ping 8.8.8.8 | sed -u 's/^.*time=//g; s/ ms//g' | ttyplot -t "ping to 8.8.8.8" -u ms
```
-### wifi signal level in -dBM (higher is worse) using **iwconfig**
+### wifi signal level in -dBM (higher is worse) using iwconfig
```
{ while true; do iwconfig 2>/dev/null | grep "Signal level" | sed -u 's/^.*Signal level=-//g; s/dBm//g'; sleep 1; done } | ttyplot -t "wifi signal" -u "-dBm" -s 90
```
@@ -61,7 +61,7 @@ ping 8.8.8.8 | sed -u 's/^.*time=//g; s/ ms//g' | ttyplot -t "ping to 8.8.8.8" -
{ while true; do awk '{ printf("%.1f\n", $1/1000) }' /sys/class/thermal/thermal_zone0/temp; sleep 1; done } | ttyplot -t "cpu temp" -u C
```
-### fan speed from **lm-sensors** using grep, tr and cut
+### fan speed from lm-sensors using grep, tr and cut
```
{ while true; do sensors | grep fan1: | tr -s " " | cut -d" " -f2; sleep 1; done } | ttyplot -t "fan speed" -u RPM
```
@@ -76,7 +76,7 @@ ping 8.8.8.8 | sed -u 's/^.*time=//g; s/ ms//g' | ttyplot -t "ping to 8.8.8.8" -
{ while true; do curl -sL https://api.iextrading.com/1.0/stock/googl/price; echo; sleep 600; done } | ttyplot -t "google stock price" -u usd
```
-### prometheus load average via **node_exporter**
+### prometheus load average via node_exporter
```
{ while true; do curl -s http://10.4.7.180:9100/metrics | grep "^node_load1 " | cut -d" " -f2; sleep 1; done } | ttyplot
```
@@ -91,22 +91,22 @@ network/disk throughput examples
================================
ttyplot supports two line plot for in/out or read/write
-### local network throughput for all interfaces combined from **sar**
+### local network throughput for all interfaces combined from sar
```
sar -n DEV 1 | gawk '{ if($6 ~ /rxkB/) { print iin/1000; print out/1000; iin=0; out=0; fflush(); } iin=iin+$6; out=out+$7; }' | ttyplot -2 -u "MB/s"
```
-### snmp network throughput for an interface using [ttg](https://github.com/tenox7/ttg)
+### snmp network throughput for an interface using [ttg](https://github.com/tenox7/ttg)
```
ttg -i 10 -u Mb 10.23.73.254 public 9 | gawk '{ print $5,$8; fflush(); }' | ttyplot -2 -u Mb/s
```
-### snmp network throughput for an interface using **snmpdelta**
+### snmp network throughput for an interface using snmpdelta
```
snmpdelta -v 2c -c public -Cp 10 10.23.73.254 1.3.6.1.2.1.2.2.1.{10,16}.9 | gawk '{ print $NF/1000/1000/10; fflush(); }' | ttyplot -2 -t "interface 9 throughput" -u Mb/s
```
-### disk throughput from **iostat**
+### disk throughput from iostat
```
iostat -xmy 1 nvme0n1 | stdbuf -o0 tr -s " " | stdbuf -o0 cut -d " " -f 4,5 | ttyplot -2 -t "nvme0n1 throughput" -u MB/s
```
@@ -116,16 +116,16 @@ iostat -xmy 1 nvme0n1 | stdbuf -o0 tr -s " " | stdbuf -o0 cut -d " " -f 4,5 | tt
-rate calculator for counters
+rate calculator for counters
============================
-ttyplot also supports "counter" style metrics, calculating "rate" by measured time difference between samples
+ttyplot also supports "counter" style metrics, calculating "rate" by measureing time difference between samples
-### snmp network throughput for an interface using **snmpget**
+### snmp network throughput for an interface using snmpget
```
{ while true; do snmpget -v 2c -c public 10.23.73.254 1.3.6.1.2.1.2.2.1.{10,16}.9 | awk '{ print $NF/1000/1000; }'; sleep 10; done } | ttyplot -2 -r -u "MB/s"
```
-### local interface throughput using **ip link** and **jq**
+### local interface throughput using ip link and jq
```
{ while true; do ip -s -j link show enp0s31f6 | jq .[].stats64.rx.bytes/1024/1024,.[].stats64.tx.bytes/1024/1024; sleep 1; done } | ttyplot -r -2 -u "MB/s"
```