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1. Solaris
Hi forum
We have nearly 240 servers inclding zones . How can i monitor server and its performance by using any monitoring tools. My indentions is to plot graphs based on server utilization interms of cpu and memory
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Hello mates..
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3. Infrastructure Monitoring
I am interested whitch tools are the best by monitoring the UNIX processes and network interfaces ? and whitch tools for management UNIX ?
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Hi ,
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5. Infrastructure Monitoring
Hi,
Are there any GUI (preferably web based) Solaris monitoring tools available for the SPARC platform.
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In HPUX there is a grate monitor tools named GLANCE, which give you
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8. UNIX for Advanced & Expert Users
Guys, I would like to know who are using monitoring tools? I use Nagios before but it seems is more on Linux and Windows platform.
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CLOCK_GETCPUCLOCKID(3) Linux Programmer's Manual CLOCK_GETCPUCLOCKID(3)
NAME
clock_getcpuclockid - obtain ID of a process CPU-time clock
SYNOPSIS
#include <time.h>
int clock_getcpuclockid(pid_t pid, clockid_t *clock_id);
Link with -lrt.
Feature Test Macro Requirements for glibc (see feature_test_macros(7)):
clock_getcpuclockid(): _XOPEN_SOURCE >= 600
DESCRIPTION
The clock_getcpuclockid() function obtains the ID of the CPU-time clock of the process whose ID is pid, and returns it in the location
pointed to by clock_id. If pid is zero, then the clock ID of the CPU-time clock of the calling process is returned.
RETURN VALUE
On success, clock_getcpuclockid() returns 0; on error, it returns a positive error number.
ERRORS
ENOSYS The kernel does not support obtaining the per-process CPU-time clock of another process, and pid does not specify the calling
process.
EPERM The caller does not have permission to access the CPU-time clock of the process specified by pid. (Specified as an optional error
in POSIX.1-2001; does not occur on Linux unless the kernel does not support obtaining the per-process CPU-time clock of another
process.)
ESRCH There is no process with the ID pid.
VERSIONS
The clock_getcpuclockid() function is available in glibc since version 2.2.
CONFORMING TO
POSIX.1-2001.
NOTES
Calling clock_gettime(2) with the clock ID obtained by a call to clock_getcpuclockid() with a pid of 0, is the same as using the clock ID
CLOCK_PROCESS_CPUTIME_ID.
EXAMPLE
The example program below obtains the CPU-time clock ID of the process whose ID is given on the command line, and then uses clock_get-
time(2) to obtain the time on that clock. An example run is the following:
$ ./a.out 1 # Show CPU clock of init process
CPU-time clock for PID 1 is 2.213466748 seconds
Program source
#define _XOPEN_SOURCE 600
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <time.h>
int
main(int argc, char *argv[])
{
clockid_t clockid;
struct timespec ts;
if (argc != 2) {
fprintf(stderr, "%s <process-ID>
", argv[0]);
exit(EXIT_FAILURE);
}
if (clock_getcpuclockid(atoi(argv[1]), &clockid) != 0) {
perror("clock_getcpuclockid");
exit(EXIT_FAILURE);
}
if (clock_gettime(clockid, &ts) == -1) {
perror("clock_gettime");
exit(EXIT_FAILURE);
}
printf("CPU-time clock for PID %s is %ld.%09ld seconds
",
argv[1], (long) ts.tv_sec, (long) ts.tv_nsec);
exit(EXIT_SUCCESS);
}
SEE ALSO
clock_getres(2), timer_create(2), pthread_getcpuclockid(3), time(7)
COLOPHON
This page is part of release 3.25 of the Linux man-pages project. A description of the project, and information about reporting bugs, can
be found at http://www.kernel.org/doc/man-pages/.
Linux 2009-02-20 CLOCK_GETCPUCLOCKID(3)
