This is the command fs_mark that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator
PROGRAM:
NAME
fs_mark - Benchmark synchronous/async file creation
SYNOPSIS
fs_mark [OPTIONS] -d DIRECTORY [-d DIRECTORY ...]
DESCRIPTION
fs_mark is meant to give some low level bashing to file systems. The write pattern that it
concentrates on is heavily synchronous IO across multiple directories, drives, etc.
OPTIONS
-h Print usage and exit.
-k Keep files after each iteration.
-F Run until filesystem is full.
-SSyncmethod
Method to be used for synchronizing changes to disk:
0: No Sync
1: fsyncBeforeClose
2: sync/1_fsync
3: PostReverseFsync
4: syncPostReverseFsync
5: PostFsync
6: syncPostFsync
-Dnumber
Use number subdirectories.
-Nnumber
Use number files in each subdirectory in round robin mode.
-ddirectory
Use directory. Can be specified multiple times.
-llogfile
Log to logfile.
-Lnumber
Repeat the benchmark number of iterations.
-nnumber
Use number of files per iteration.
-pnumber
Use number of total bytes file names.
-rnumber
Use number of random bytes in file names.
-sbyte_count
Use number of bytes as size of each file.
-tnumber
Use number of threads.
-wnumber
Use number (of bytes per write() syscall.
AUTHORS
fs_mark was written by Ric Wheeler <ric@redhat.com>.
This manual page was written by Martin Steigerwald <ms@teamix.de>, for the Debian project
(but may be used by others).
fs_mark: Benchmark synchronous/async file crMarchn2012 FS_MARK(1)
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