08-20-2018
Hi,
I suggest you to get some monitoring tool which collects alle the performance data you need. There are several out there, commercial and open source alike:
- check_mk (easy to set up with most features available in the free version)
- icinga 2 (fully open source, can handle large infrastructures very good, designed to be able to integrated with any other open source component, needs its time to set it up)
- Munin (OSS single host multi data performance monitoring)
I'm a check_mk(
Infrastructure & Application Monitoring | Check_MK) user(i use the free version for about 8000 single services) and I like it very much, because there's some magic already built-in: Discover several basic performance values automatically and if additional tools are installed, it automatically uses them. (Temperature sensors, cpu load, cpu usage, memory usage, hard disk i/o, network i/o, network errors, hard disk smart data(needs to be enabled)).
In default mode it creates graphs which are configured for highest granularity for the last minutes and shows overall performance development over long time ranges.
Here is a standard graph for filesystem usage trend, growth/shrink and inodes usage:
https://webmail.megabert.de//data/ha...row_inodes.png
The webinterface has a pleasant user experience.
Look here for a live demo:
Demoserver | Check_MK
Last edited by stomp; 08-20-2018 at 11:31 AM..
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LEARN ABOUT FREEBSD
pmc_enable
PMC_ENABLE(3) BSD Library Functions Manual PMC_ENABLE(3)
NAME
pmc_disable, pmc_enable -- administrative control of hardware performance counters
LIBRARY
Performance Counters Library (libpmc, -lpmc)
SYNOPSIS
#include <pmc.h>
int
pmc_disable(int cpu, int pmc);
int
pmc_enable(int cpu, int pmc);
DESCRIPTION
These functions allow specific hardware performance monitoring counters in a system to be disabled and enabled administratively. The hard-
ware performance counters available on each CPU are numbered using small non-negative integers, in a system dependent manner. Disabled coun-
ters will not be available to applications for use.
The invoking process needs to have the PRIV_PMC_MANAGE privilege to perform these operations.
Function pmc_disable() disables the hardware counter numbered by argument pmc on CPU number cpu.
Function pmc_enable() enables the hardware counter numbered by argument pmc on CPU number cpu.
IMPLEMENTATION NOTES
Hardware PMCs that are currently in use by applications cannot be disabled. Allocation of a process scope software PMC marks all hardware
PMCs in the system with the same pmc number as being in-use.
RETURN VALUES
Upon successful completion, the value 0 is returned; otherwise the value -1 is returned and the global variable errno is set to indicate the
error.
ERRORS
A call to these functions may fail with the following errors:
[EBUSY] Function pmc_disable() specified a hardware PMC is currently in use.
[EINVAL] Arguments cpu or pmc were invalid.
[ENXIO] Argument cpu specified a disabled or absent CPU.
[EPERM] The current process lacks sufficient privilege to perform this operation.
SEE ALSO
pmc(3), pmc_cpuinfo(3), pmc_pmcinfo(3), hwpmc(4), pmccontrol(8), priv_check(9)
BSD
September 22, 2008 BSD