seekwatcher(1)
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)