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)

SEE ALSO¶

Examples of usage in /usr/share/doc/seekwatcher/README.html