Is there a way I can assign processes to different processors? I know in windows xp you can set process affinity, and wondered if there is a *nix equivelant. (2 Replies)
I am running solaris 9 on a SUn 480r. It is running SAS statistical software, these processes in full flow normally run at about 50-60% cpu (theres nothing else really running on the box) this is fine, and the SAS jobs get run nice and quick. However over the last few weeks everytime a SAS job is... (1 Reply)
hi,
i want to know cpu utilizatiion per process per cpu..for single processor also if multicore in linux ..to use these values in shell script to kill processes exceeding cpu utilization.ps (pcpu) command does not give exact values..top does not give persistant values..psstat,vmstat..does njot... (3 Replies)
Hi,
I have a shell script. But, upon execution of the same, the cpu usage is sometimes getting 100 % (checked executing top command).
At that point of time, my process hangs, doesn't run anymore. I need to kill it manually.
My concern is, is there any default method, by which I can check... (1 Reply)
Hi,
I just wonder I need to write a script where I can check if a particular process is consuming X amount of CPU. I was thinking of using the ps command but doesn't seems to work. Any ideas. Thanks. (2 Replies)
Hello All,
I am preparing a script to capture the processes consuming more CPU.
So is there any way that i can sort & redirect to file only those processes consuming more than 5.0 % using ps command itself.
Regards
Ankit (3 Replies)
We are using JAVA program and strange thing is it takes 100% CPU when not in use.
The program function is to stream a file on output port (one direction). It checks one directory and when there is a file in it, starts.
While it is streaming the CPU usage is normal, about 20%.
But, if... (9 Replies)
Can someone please help me with a script that will help in identifying the CPU & memory usage by a process name, rather than a process id.This is to primarily analyze the consumption of resources, for performance tweaking.
G (4 Replies)
I have a httpd process which uses up 100% cpu. This makes my application to stop working and it just gets hung.
I tried getting the tusc output looks something like this:
# /usr/local/bin/tusc -pl 26516
( Attached to process 26516 ("/opt/hpws22/apache/bin/httpd -d /opt/hpws22/apache -k... (3 Replies)
Discussion started by: chacko193
3 Replies
LEARN ABOUT NETBSD
cpuset_set
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