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Top Forums UNIX for Advanced & Expert Users Linux Swapping - identifying the process Post 302900290 by rakeshkumar on Tuesday 6th of May 2014 05:24:16 AM
Old 05-06-2014
Linux Swapping - identifying the process

Hi

I ran the command
Code:
vmstat -s

, the output is below

Code:
    2335876  total memory
      2307284  used memory
       902984  active memory
       953180  inactive memory
        28592  free memory
       445848  buffer memory
      1234196  swap cache
       779872  total swap
        57184  used swap
       722688  free swap
      1425586 non-nice user cpu ticks
       137569 nice user cpu ticks
      1253812 system cpu ticks
    136556548 idle cpu ticks
       499759 IO-wait cpu ticks
        80609 IRQ cpu ticks
        47344 softirq cpu ticks
      2631596 stolen cpu ticks
      7401052 pages paged in
     19325628 pages paged out
           24 pages swapped in
        14301 pages swapped out
            0 interrupts
    221749766 CPU context switches
   1398654642 boot time
       251203 forks

I can see some swapping of 57184 Kb like about 58MB approximately.

Is there any way to know which process name and timestamp at which this swapping occurred on machine ?

My aim is to make sure that there is no swapping on my system

Any help is much appreciated - Thanks
 

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CPUSET(3)						   BSD Library Functions Manual 						 CPUSET(3)

NAME
cpuset_create, cpuset_destroy, cpuset_zero, cpuset_set, cpuset_clr, cpuset_isset, cpuset_size -- dynamic CPU sets SYNOPSIS
#include <sched.h> cpuset_t * cpuset_create(void); void cpuset_destroy(cpuset_t *set); void cpuset_zero(cpuset_t *set); int cpuset_set(cpuid_t cpu, cpuset_t *set); int cpuset_clr(cpuid_t cpu, cpuset_t *set); int cpuset_isset(cpuid_t cpu, const cpuset_t *set); size_t cpuset_size(const cpuset_t *set); DESCRIPTION
This section describes the functions used to create, set, use and destroy the dynamic CPU sets. This API can be used with the POSIX threads, see pthread(3) and affinity(3). The ID of the primary CPU in the system is 0. FUNCTIONS
cpuset_create() Allocates and initializes a clean CPU-set. Returns the pointer to the CPU-set, or NULL on failure. cpuset_destroy(set) Destroy the CPU-set specified by set. cpuset_zero(set) Makes the CPU-set specified by set clean, that is, memory is initialized to zero bytes, and none of the CPUs set. cpuset_set(cpu, set) Sets the CPU specified by cpu in set. Returns zero on success, and -1 if cpu is invalid. cpuset_clr(cpu, set) Clears the CPU specified by cpu in the CPU-set set. Returns zero on success, and -1 if cpu is invalid. cpuset_isset(cpu, set) Checks if CPU specified by cpu is set in the CPU-set set. Returns the positive number if set, zero if not set, and -1 if cpu is invalid. cpuset_size(set) Returns the size in bytes of CPU-set specified by set. SEE ALSO
affinity(3), pset(3), sched(3), schedctl(8), kcpuset(9) HISTORY
The dynamic CPU sets appeared in NetBSD 5.0. BSD
November 2, 2011 BSD
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