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Test Your Knowledge in Computers #873
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Self-modifying code is easier to read and maintain because the instructions in the source program listing are always the instructions that will be executed.
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seivot(1) [debian man page]

SEIVOT(1)						      General Commands Manual							 SEIVOT(1)

NAME
seivot - benchmark backup application (obnam) SYNOPSIS
seivot [--benchmark-fsck] [--config=FILE] [--description=TEXT] [--drop-caches] [--dump-config] [--dump-memory-profile=METHOD] [--dump-setting-names] [--encrypt-with=KEYID] [--file-size=SIZE] [--generate-manpage=TEMPLATE] [--generations=COUNT] [-h] [--help] [--incremental-data=SIZE] [--initial-data=SIZE] [--larch-branch=LARCH-BRANCH] [--list-config-files] [--log=FILE] [--log-keep=N] [--log-level=LEVEL] [--log-max=SIZE] [--log-mode=MODE] [--no-default-configs] [--obnam-branch=OBNAM-BRANCH] [--obnam-config=FILE] [--obnam-profile=NAMEPATTERN] [--output=FILE] [--profile-name=PROFILE-NAME] [--program=PROGRAM] [--sftp-delay=SFTP-DELAY] [--use-existing=DIR] [--use-sftp-repository] [--use-sftp-root] [--verify] [--version] [FILE]... DESCRIPTION
seivot benchmarks a backup application. It has been written primarily for obnam(1), but could be extended for other backup applications. seivot generates some live data using genbackupdata(1), and then runs the backup application. It then generates some more live data, and runs a second backup generation, etc. It stores the measurements in an output file. See seivots-summary(1) for a tool to show data from such files in a tabular fashion. (seivot does not itself show the tabular data, because one is rarely interested in the output from just one run, and instead wants to contrast it with other runs). OPTIONS
--benchmark-fsck benchmark fsck? --config=FILE add FILE to config files --description=TEXT free-form description of this backup run --drop-caches clear Linux kernel cache before running commands (will ask for sudo pasword --dump-config write out the entire current configuration --dump-memory-profile=METHOD make memory profiling dumps using METHOD, which is one of: none, simple, meliae, or heapy (default: simple) --dump-setting-names write out all names of settings and quit --encrypt-with=KEYID encrypt backups with KEYID --file-size=SIZE size of files to create --generate-manpage=TEMPLATE fill in manual page TEMPLATE --generations=COUNT total number of generations to measure (5) -h, --help show this help message and exit --incremental-data=SIZE add SIZE live data for additional generations (1024) --initial-data=SIZE size of initial live data (1024) --larch-branch=LARCH-BRANCH bzr branch from which to use larch (default is installed larch) --list-config-files list all possible config files --log=FILE write log entries to FILE (default is to not write log files at all); use "syslog" to log to system log, or "none" to disable log- ging --log-keep=N keep last N logs (10) --log-level=LEVEL log at LEVEL, one of debug, info, warning, error, critical, fatal (default: debug) --log-max=SIZE rotate logs larger than SIZE, zero for never (default: 0) --log-mode=MODE set permissions of new log files to MODE (octal; default 0600) --no-default-configs clear list of configuration files to read --obnam-branch=OBNAM-BRANCH bzr branch from which to run obnam (default is installed obnam) --obnam-config=FILE use FILE as an Obnam configuration file --obnam-profile=NAMEPATTERN store Python profiling output in files named after NAMEPATTERN (no profiling, unless set); %(foo)s in pattern gets filled in, where foo is op (for backup/restore/etc), gen, or order (cumulative/time) --output=FILE write output to FILE, instead of standard output --profile-name=PROFILE-NAME name of backup use-case profile name (for documentation purposes only) --program=PROGRAM program to benchmark (obnam) --sftp-delay=SFTP-DELAY add an artificial delay (in milliseconds) to all SFTP transfers --use-existing=DIR use exiting DIR for initial generation --use-sftp-repository access backup repository over the network via sftp --use-sftp-root access backup repository over the network via sftp --verify verify restored data --version show program's version number and exit EXAMPLE
To run a simple benchmark: seivot --initial-data=10G --incremental-data=1G SEE ALSO
seivots-summary(1), obnam(1). SEIVOT(1)

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