January 2003
Intermediate to advanced
832 pages
32h 40m
English
Content preview from Mac OS X in a NutshellBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.
Name
top
Synopsis
top [options] [number]
Full screen, dynamic display of global and per process resource usage by descending PID order.
Options
-
number toplimits the total processes displayed to number.-
-a Cumulative event counting mode. Counts are cumulative from top start time.
-wand-kare superceded and ignored while-ais in effect-
-d Delta event counting mode. Counts are deltas relative to a previous sample.
-wand-kare superceded and ignored while-dis in effect.-
-e Absolute event counting mode. Counts are absolute values from process start times.
-wand-kare superceded and ignored while-eis in effect.-
-k Report kernal_task memory map parameters: #MREGS, RPRVT, and RSHRD (and VPRVT with
-w). Normally unreported and displayed as -.-
-lsamples Logging mode. Changes display mode from periodic full screen updating to a sequential line mode output suitable for output redirection. The number of sequential snapshots is specified as samples.
-
-sinterval Sampling interval. Default one second sample interval is replaced by interval.
-
-u Sort processes by decreasing cpu usage instead of by descending PID order.
- -w
Changes the memory map and memory size parameters for all processes from counts to deltas, and adds a VPRVT column.
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Read now
Unlock full access
More than 5,000 organizations count on O’Reilly
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.