Use prstat -mL -p 2626 2 for this. I was going to suggest sar -u. For more advanced trainees it can be a desktop reference, and a collection of the base knowledge needed to proceed with system and network administration. How to Check Buffer Activity (sar -b) Display buffer activity statistics with the sar -b command. this content
But what if you wanted to get a different view of the same info, like a summary of what users own these CPU consuming processes? Thus, this field represents the percentage of igets with page flushes. UNIX is a registered trademark of The Open Group. Is it OK to "pause" an advert in terms of SEO?
prstat – prstat -m 2 reports on process microstates The screen output shown above displays microstates for the running system. This is the default. If data from more than a single time segment is shown, the report includes averages. When idle, the processor is either waiting for I/O completion or "sitting still" with no work to do.
How to Check Queue Activity (sar -q) Use the sar -q command to report the following information: The Average queue length while the queue is occupied. For example: $ prstat -s cpu -n 5 PID USERNAME SIZE RSS STATE PRI NICE TIME CPU PROCESS/NLWP 13974 kincaid 888K 432K run 40 0 36:14.51 67% cpuhog/1 27354 kincaid 2216K Typically, reads and writes account for about half of the total system calls. Solaris Prstat Load Averages This book contains many real life examples derived from the author's experience as a Linux system and network administrator, trainer and consultant.
The run queue is containing theads not processes so the -L option is mandatory with the prstat command if you want to have the number of "state run" lines more or rcvin/s Receiver hardware interrupts per second. time Sort by process execution time. avserv Average time, in milliseconds, for a transfer request to be completed by the device.
Example11-9 Checking Page-Out and Memory (sar -g) The following example shows output from the sar -g command.$ sar -g SunOS balmy 5.10 Generic_144500-10 sun4v ... 00:00:00 pgout/s ppgout/s pgfree/s pgscan/s %ufs_ipf Prstat Linux Running prstat -Z gives something like this: PID USERNAME SIZE RSS STATE PRI NICE TIME CPU PROCESS/NLWP 3836 ducm0101 2119M 2074M cpu348 58 0 8:41:56 0.5% java/225 24196 ducm0101 1974M 1910M The number can overflow. Did Joseph Smith “translate the Book of Mormon”?
prstat usage Scenario – High System Time Let's run a system call intensive applicationand watch the output of prstat. Join our community today! Prstat Command In Solaris Good first post finaluser!!! Solaris Prstat Man If namei does not find a directory name in the DNLC, it calls iget to get the inode for either a file or directory.
Thus, there is no pool. news Typically, this value should be less than 2. share|improve this answer answered Jan 6 '11 at 15:25 JOTN 1,4271712 unless asked to do otherwise. –jlliagre Jan 6 '11 at 22:49 That wasn't mentioned in the Hot Network Questions Should we kill the features that users are not using frequently, to improve performance? Prstat Memory Usage
The time now is 10:51 PM. - Contact Us - UNIX & Linux - unix commands, linux commands, linux server, linux ubuntu, shell script, linux distros. - Advertising - Top The OS will use all the CPUs as needed. prstat – prstat -T 2 reports by tasks Special Report – Microstate Accounting Unlike other operating systems that gather CPU statistics every clock tick or every fixed time interval (typically every have a peek at these guys What are the benefits of an oral exam?
Therefore, load balancing within the system can be assumed The reason for the question, Sun CPU's are slow. How To Check Memory Utilization In Solaris User Name Remember Me? A memory leak causes the amount of memory that is allocated by KMA to increase over time.
share|improve this answer answered Mar 2 '12 at 15:14 Spiff 181116 1 I am experiencing something very similar (also J2ee on WLs on Solaris)... I would use dtrace to figure out what the kernel is doing during these high CPU usage periods: The DTraceToolkit cputimes and modcalls.d commands would be a good start. Not the answer you're looking for? Man Prstat prstat usage Scenario – Excessive Locking Frequently, poor scaling is observed for applications on multi-processor systems.
And a really small number of Solaris sysadmins really know how to use the prstat command properly. Browse other questions tagged linux unix solaris or ask your own question. If you need to reset your password, click here. Are you new to LinuxQuestions.org?
The receive and transmit interrupts per second (xmtin/s and rcvin/s) should be less than or equal to the number of incoming or outgoing characters, respectively.