This is the command seekwatcher 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
seekwatcher - utility to visualize block I/O patterns
SYNOPSIS
seekwatcher [options]
OPTIONS
-h, --help
show this help message and exit
-d DEVICE, --device=DEVICE
Device for blktrace
-D BLKTRACE_DESTINATION, --blktrace-destination=BLKTRACE_DESTINATION
Destination for blktrace
-t TRACE, --trace=TRACE
blktrace file
-p PROG, --prog=PROG
exec program
--full-trace
Don't filter blktrace events
-a ADJUST, --adjust=ADJUST
Adjust plot placement:
left=0.125,right=0.79,bottom=0.1,top=0.9,wspace=0.2,hspace=0.8
-c COLORS, --colors=COLORS
List of colors to use in plot
-C COLUMNS, --columns=COLUMNS
Number of columns for subplots
-z ZOOM, --zoom=ZOOM
Zoom range min:max (in MB)
-x XZOOM, --xzoom=XZOOM
Time range min:max (seconds)
-o OUTPUT, --output=OUTPUT
output file
-l LABEL, --label=LABEL
label
--dpi=DPI
dpi
--io-graph-dots=IO_GRAPH_DOTS
Disk IO dot style
--io-graph-marker-size=IO_GRAPH_MARKER_SIZE
Disk IO dot size
--io-graph-cell-multi=IO_GRAPH_CELL_MULTI
Multiplier for cells
-O ONLY_GRAPH, --only-graph=ONLY_GRAPH
Add a single graph to the output (io, tput, seek, iops, stats)
-N NO_GRAPH, --no-graph=NO_GRAPH
Remove a single graph (io, tput, seek, iops, stats)
-s, --only-io-graph-seeks
Only plot seeks on the IO graph
-r ROLLING_AVG, --rolling-avg=ROLLING_AVG
Rolling average for seeks and throughput (in seconds)
-i, --interactive
Use matplotlib interactive
--backend=BACKEND
matplotlib backend (Qt4Agg, TkAgg, GTKAgg) case sensitive
-T TITLE, --title=TITLE
Graph Title
-R, --reads-only
Graph only reads
-W, --writes-only
Graph only writes
-F FIGURE_SIZE, --figure-size=FIGURE_SIZE
Figure size (8x6)
-P, --tag-process
Tag IO graph by process
-M MERGE, --merge=MERGE
Merge process pids for a process
--legend=LEGEND
Legend position 1.01,0.5
--legend-columns=LEGEND_COLUMNS
Legend columns
-m, --movie
Generate an IO movie
--movie-frames=MOVIE_FRAMES
Number of frames per second
--movie-length=MOVIE_LENGTH
Movie length in seconds
--movie-cell-size=MOVIE_CELL_SIZE
Size in pixels of the IO cells
--movie-vbitrate=MOVIE_VBITRATE
Mencoder vbitrate option (default 16000)
Use seekwatcher online using onworks.net services
