The Linux Manuals (man pages) document is an important part of Linux documents. Linux Manuals are organized as several sections. Each section has a group of commands for a specific area in Linux usage, administration or development.
NAME pmdiff – compares archives and report significant differences SYNOPSIS pmdiff [-d/–keep] [-z/–hostzone] [-p/–precision precision] [-q/–threshold thres] [-S/–start starttime] [-T/–finish endtime] [-B/–begin starttime] [-E/–end endtime] [-x metric] [-X file] [–skip-excluded] [–skip-missing] [-Z/–timezone timezone] archive1 [archive2] DESCRIPTION pmdiff compares the average values for every metric in either one or two sets of archives, in a given…
NAME pmdesc – print out version and whatis description of perl modules DESCRIPTION Given one or more module names, show the version number (if known) and the `whatis’ line, that is, the NAME section’s description, typically used for generation whatis databases. EXAMPLES $ pmdesc IO::Socket IO::Socket (1.25) – Object interface to socket communications $ oldperl…
NAME pmdbg – translate Performance Co-Pilot debug control flags SYNOPSIS pmdbg code … pmdbg -l pmdbg -D name[,name …] DESCRIPTION The components of the Performance Co-Pilot (PCP) use a global vector of bit-fields to control diagnostic and debug output. pmdbg with a -l argument prints out the mnemonic and decimal values of all the bit-fields…
NAME pmdazswap – zswap (compressed swap) PMDA DESCRIPTION pmdazswap is a Performance Metrics Domain Agent (PMDA) which exports metric values about compressed swap operation, as tracked by the zswap Linux kernel module. Zswap is a lightweight compressed cache for swap pages. It takes pages that are in the process of being swapped out and attempts…
NAME pmdazimbra – Zimbra Collaboration Suite (ZCS) PMDA DESCRIPTION pmdazimbra is a Performance Metrics Domain Agent (PMDA) which exports metric values from several subsystems of the Zimbra Suite. Further details on Zimbra can be found at http://www.zimbra.com/. INSTALLATION Install the zimbra PMDA by using the Install script as root: # cd $PCP_PMDAS_DIR/zimbra # ./Install To uninstall, do the…
NAME pmdaxfs – XFS filesystem performance metrics domain agent (PMDA) SYNOPSIS $PCP_PMDAS_DIR/xfs/pmdaxfs [-d domain] [-l logfile] DESCRIPTION pmdaxfs is a Performance Metrics Domain Agent (PMDA) which extracts performance metrics describing the state of the XFS filesystem from the Linux kernel. The xfs PMDA exports metrics that measure information about metadata buffer usage, the journal, btree…
NAME pmdaweblog – performance metrics domain agent (PMDA) for Web server logs SYNOPSIS $PCP_PMDAS_DIR/weblog/pmdaweblog [-Cp] [-d domain] [-h helpfile] [-i port] [-l logfile] [-n idlesec] [-S num] [-t delay] [-u socket] [-U username] configfile DESCRIPTION pmdaweblog is a Performance Metrics Domain Agent (PMDA(3)) that scans Web server logs to extract metrics characterizing Web server activity….
NAME pmdavmware – VMware performance metrics domain agent (PMDA) DESCRIPTION pmdavmware is a Performance Metrics Domain Agent (PMDA) which exports metric values from a (possibly remote) VMware virtualisation host. This implementation uses the VMare Perl API (refer to the online docs at http://www.vmware.com/support/developer/viperltoolkit). VIPerl is a prerequisite for this PMDA, it needs to be installed…
NAME pmdaunbound – Unbound resolver PMDA DESCRIPTION pmdaunbound is a Performance Metrics Domain Agent (PMDA) which exports metric values about the Unbound DNS resolver using the unbound-control(8) stats_noreset command. This gives lots of insight into query types, response time, cache hits/misses, etc. Please see the unbound-control(8) man page for explanation about each statistics counter. Further…
NAME pmdatxmon – txmon performance metrics domain agent (PMDA) SYNOPSIS $PCP_PMDAS_DIR/txmon/pmdatxmon [-d domain] [-l logfile] [-U username] tx_type … $PCP_PMDAS_DIR/txmon/txrecord [-l] $PCP_PMDAS_DIR/txmon/txrecord tx_type servtime [tx_type servtime … ] $PCP_PMDAS_DIR/txmon/genload DESCRIPTION pmdatxmon is an example Performance Metrics Domain Agent (PMDA) which exports a small number of performance metrics from a simulated transaction monitor. The txmon PMDA…
NAME pmdatrivial – trivial performance metrics domain agent (PMDA) SYNOPSIS $PCP_PMDAS_DIR/trivial/pmdatrivial [-d domain] [-l logfile] [-U username] DESCRIPTION pmdatrivial is the simplest possible Performance Metrics Domain Agent (PMDA) which exports a single performance metric, the time in seconds since the 1st of January, 1970. The trivial PMDA is shipped as source code and is designed…
NAME pmdatrace – application-level transaction performance metrics domain agent SYNOPSIS $PCP_PMDAS_DIR/trace/pmdatrace [-d domain] [-l logfile] [-A access] [-I port] [-M username] [-N buckets] [-T period] [-U units] DESCRIPTION pmdatrace is a Performance Metrics Domain Agent (PMDA) which exports transaction performance metrics from application processes which use the pcp_trace library described in pmdatrace(3). A brief description…
NAME pmdate – display an offset date SYNOPSIS pmdate [ offset … ] format DESCRIPTION pmdate displays the current date and/or time, with an optional offset. An offset is specified with a leading sign (“+” or “-”), followed by an integer value, followed by one of the following “scale” specifiers; S seconds M minutes H…
NAME pmdasystemd – systemd performance metrics domain agent (PMDA) SYNOPSIS $PCP_PMDAS_DIR/systemd/pmdasystemd [-f] [-d domain] [-l logfile] [-m memory] [-s interval] [-U username] DESCRIPTION pmdasystemd is a systemd log file monitoring Performance Metrics Domain Agent (PMDA). It can be seen as analagous to the -f option to journalctl(1) and converts each new log line into a…
NAME pmdasummary – summary performance metrics domain agent (PMDA) SYNOPSIS $PCP_PMDAS_DIR/summary/pmdasummary [-d domain] [-h helpfile] [-l logfile] [-U username] pmie-command-line DESCRIPTION pmdasummary is a Performance Metrics Domain Agent (PMDA) which derives performance metrics values from values made available by other PMDAs. pmdasummary consists of two processes: pmie process The inference engine for performance values pmie(1)…
NAME pmdasnmp – Gateway from SNMP to PCP (PMDA) DESCRIPTION pmdasnmp is a Performance Metrics Domain Agent (PMDA) which provides a generic gateway from PCP queries from a PCP client to SNMP queries to one or more SNMP agents. INSTALLATION If you want access to the SNMP gateway performance metrics, do the following as root:…
NAME pmdaslurm – SLURM statistics performance metrics domain agent (PMDA) DESCRIPTION pmdaslurm is a Performance Metrics Domain Agent (PMDA) which exports metric values from the slurm perlapi interface to provide information on slurm jobs, nodes and users. INSTALLATION Install the slurm PMDA by using the Install script as root: # cd $PCP_PMDAS_DIR/slurm # ./Install To uninstall, do the…
NAME pmdasimple – simple performance metrics domain agent (PMDA) SYNOPSIS $PCP_PMDAS_DIR/simple/pmdasimple [-d domain] [-i port] [-l logfile] [-p] [-u socket] [-U username] DESCRIPTION pmdasimple is a simple Performance Metrics Domain Agent (PMDA) which exports a small number of synthetic performance metrics. The simple PMDA is shipped as source code and is designed to be an…
NAME pmdashping – "shell-ping" performance metrics domain agent SYNOPSIS $PCP_PMDAS_DIR/shping/pmdashping [-C] [-d domain] [-l logfile] [-I interval] [-t timeout] [-U username] configfile DESCRIPTION pmdashping is a Performance Metrics Domain Agent (PMDA) which exports quality of service and response time measurements for arbitrary commands as might be run from a shell such as sh(1). These measurements…
NAME pmdasendmail – sendmail performance metrics domain agent (PMDA) SYNOPSIS $PCP_PMDAS_DIR/sendmail/pmdasendmail [-d domain] [-l logfile] [-U username] DESCRIPTION pmdasendmail is a sendmail Performance Metrics Domain Agent (PMDA) which exports mail traffic statistics as collected by sendmail(1). Before the sendmail PMDA can export any metrics, sendmail(1) must have statistics collection enabled. This involves checking the name…