Name
top — stdin stdout - file -- opt --help --version
Synopsis
top [options]The top command lets you
monitor the most active processes, updating the display at regular
intervals (say, every second). If your Mac seems slow, top will tell you which process, if any, is
to blame. It is a screen-based program that updates the display in
place, interactively. top first
displays general system information about CPU and memory
usage:
➜ top
Processes: 81 total, 2 running, 1 stuck, 78 sleeping, ...
2012/03/12 22:28:03
Load Avg: 0.36, 0.43, 0.48
CPU usage: 8.10% user, 21.62% sys, 70.27% idle
SharedLibs: 632K resident, 0B data, 0B linkedit.
MemRegions: 48380 total, 1582M resident, 29M private, ...
PhysMem: 891M wired, 2095M active, 770M inactive, ...
VM: 189G vsize, 1091M framework vsize, 21497(0) pageins, ...
Networks: packets: 53842/12M in, 63096/41M out.
Disks: 4550433/439G read, 985283/54G written.and follows it with a list of running processes:
PID COMMAND %CPU TIME ... RPRVT RSHRD RSIZE 42652 top 8.8 00:00.89 ... 1392K 216K 2108K 42206 sshd 0.0 00:00.05 ... 456K 1632K 3036K 41202 Address Book 0.0 00:01.41 ... 13M 13M 22M 39720- Microsoft Wo 0.6 05:38.03 ... 409M 55M 670M ...
While top is running, you can
press keys to change its behavior interactively, such as setting the
update speed (s) or sorting by a
particular column (o). Type
? to see a complete list and
q to quit.
Useful options
| Perform
The command |
|
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