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.
pmempool-rm – Remove (unlink) poolset files Synopsispmempool rm [<options>] <file>.. DescriptionThe pmempool invoked with rm command removes (unlinks) all files specified in command line arguments. If the specified file is a poolset file all parts will be removed. All files are removed using the unlink (3) call. Without specifying the -i|–interactive option, the rm command…
pmempool-info – Print basic information about Persistent Memory Pool file Synopsispmempool info [<options>] <file> DescriptionThe pmempool invoked with info command analyzes an existing pool created by NVML libraries. The main task of this command is to print all usable information from pool headers and user data in human readable format. It automatically recognizes pool type…
pmempool-dump – Dump user data from specified pool Synopsispmempool dump [<options>] <file> DescriptionThe pmempool invoked with dump command dumps user data from specified pool file. The output format may be either binary or hexadecimal. By default the output format is hexadecimal. By default data is dumped to standard output. It is possible to dump data…
pmempool-create – Create Persistent Memory Pool of specified type Synopsispmempool create [<options>] [<type>] [<bsize>] <file> DescriptionThe pmempool invoked with create command creates a pool file of specified type. Depending on a pool type it is possible to provide more properties of pool. Valid pool types are: blk, log and obj which stands for pmemblk, pmemlog…
pmempool-convert – Convert pool files from old layout versions to the newest one. Synopsispmempool convert <file> DescriptionThe pmempool invoked with the convert command performs a conversion of the specified pool to the newest layout supported by this tool. Currently only libpmemobj(3) pools are supported. It is advised to have a backup of the pool before…
pmempool-check – Check and repair Persistent Memory Pool Synopsispmempool check [<options>] <file> DescriptionThe pmempool invoked with check command checks consistency of a given pool file. If the pool file is consistent pmempool exits with 0 value. If the pool file is not consistent non-zero error code is returned. In case of any errors, the proper…
pmdumptext – dump performance metrics to an ASCII table Synopsispmdumptext [-CFGHilmMNoruXz] [-A align] [-a archive[,archive,…]] [-c config] [-d delimiter] [-f format] [-h host] [-n pmnsfile] [-O offset] [-P precision] [-R lines] [-s sample] [-S starttime] [-t interval] [-T endtime] [-U string] [-w width] [-Z timezone] [metric …] Descriptionpmdumptext outputs the values of performance metrics collected…
pmdumplog – dump internal details of a performance metrics archive log Synopsispmdumplog [-adilLmMrstxz] [-n pmnsfile] [-S starttime] [-T endtime] [-Z timezone] archive [metricname …] pmdumplog [-v file] Descriptionpmdumplog dumps assorted control, metadata, index and state information from the files of a Performance Co-Pilot (PCP) archive log. The archive log has the base name archive and…
pmdiff – compares archives and report significant differences Synopsispmdiff [-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] Descriptionpmdiff compares the average values for every metric in either one or two sets of archives, in a given time window, for…
pmdesc – print out version and whatis description of perl modules DescriptionGiven 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 pmdesc IO::Socket…
pmdbg – translate Performance Co-Pilot debug control flags Synopsispmdbg code … pmdbg -l pmdbg -D name[,name …] DescriptionThe 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 in the debug…
pmdazswap – zswap (compressed swap) PMDA Descriptionpmdazswap 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 to compress…
pmdazimbra – Zimbra Collaboration Suite (ZCS) PMDA Descriptionpmdazimbra 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/. InstallationInstall the zimbra PMDA by using the Install script as root: # cd $PCP_PMDAS_DIR/zimbra # ./Install To uninstall, do the following as root:…
pmdaxfs – XFS filesystem performance metrics domain agent (PMDA) Synopsis$PCP_PMDAS_DIR/xfs/pmdaxfs [-d domain] [-l logfile] Descriptionpmdaxfs 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 operations, inode operations,…
pmdaweblog – performance metrics domain agent (PMDA) for Web server logs Synopsis$PCP_PMDAS_DIR/weblog/pmdaweblog [-Cp] [-d domain] [-h helpfile] [-i port] [-l logfile] [-n idlesec] [-S num] [-t delay] [-u socket] [-U username] configfile Descriptionpmdaweblog is a Performance Metrics Domain Agent (PMDA(3)) that scans Web server logs to extract metrics characterizing Web server activity. These performance metrics…
pmdavmware – VMware performance metrics domain agent (PMDA) Descriptionpmdavmware is a Performance Metrics Domain Agent (PMDA) which exports metric values from a (possibly remote) VMware virtualisation host. This implementation uses the VMare Perl API (refer to the online docs at http://www.vmware.com/support/developer/viperltoolkit). VIPerl is a prerequisite for this PMDA, it needs to be installed and configured…
pmdaunbound – Unbound resolver PMDA Descriptionpmdaunbound is a Performance Metrics Domain Agent (PMDA) which exports metric values about the Unbound DNS resolver using the unbound-control(8) stats_noreset command. This gives lots of insight into query types, response time, cache hits/misses, etc. Please see the unbound-control(8) man page for explanation about each statistics counter. Further details on…
pmdatxmon – txmon performance metrics domain agent (PMDA) Synopsis$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 … ] $PCP_PMDAS_DIR/txmon/genload Descriptionpmdatxmon is an example Performance Metrics Domain Agent (PMDA) which exports a small number of performance metrics from a simulated transaction monitor. The txmon PMDA is shipped as…
pmdatrivial – trivial performance metrics domain agent (PMDA) Synopsis$PCP_PMDAS_DIR/trivial/pmdatrivial [-d domain] [-l logfile] [-U username] Descriptionpmdatrivial 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 to be an…
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] Descriptionpmdatrace 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 of the pmdatrace…