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Display system usage (Unix)
top [-i number] [-d] [-n node] [-p priority]
QNX Neutrino
- -d
- Tailor the output for a dumb terminal.
By default, top refreshes its output in place for each iteration.
If you specify -d, top displays the output for each
iteration after the output from the previous one.
- -n node
- Run top on the specified remote node.
- -p priority
- Run at the specified priority.
- -i number
- Run for the specified number of iterations.
By default, top runs until you terminate it.
The top utility displays the system usage.
Its output looks like this:
42 processes; 119 threads;
CPU states: 67.3% idle, 29.9% user, 2.7% kernel
Memory: 0 total, 368M avail, page size 4K
PID TID PRI STATE HH:MM:SS CPU COMMAND
593962 1 10 Rcv 0:00:04 16.45% firefox-bin
278558 3 12 Rply 0:00:50 6.00% io-graphics
278558 2 10 Rcv 0:00:00 2.15% io-graphics
1 19 10 Run 0:00:03 1.52% kernel
258077 1 12 Rcv 0:00:08 1.52% Photon
1 13 10 Rcv 0:00:00 1.18% kernel
8200 11 10 Rcv 0:00:00 0.73% devb-eide
114707 2 12 Rcv 0:00:02 0.71% io-display
131092 2 21 Rcv 0:04:39 0.35% io-pkt-v4-hc
380956 1 10 Rcv 0:00:00 0.31% pwm
Min Max Average
CPU idle: 45% 98% 67%
Mem Avail: 368MB 398MB 382MB
Processes: 39 42 41
Threads: 104 119 111
hogs,
pidin
Fine-Tuning Your System
in the Neutrino User's Guide
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