gfio: hide graph if all values are zero
authorJens Axboe <axboe@kernel.dk>
Thu, 22 Mar 2012 20:21:00 +0000 (21:21 +0100)
committerJens Axboe <axboe@kernel.dk>
Thu, 22 Mar 2012 20:21:00 +0000 (21:21 +0100)
commit01a947f067b1a03add33e645ece73ac19d8257dd
treede0fe15e0678c13e25ac3dd46c89a3ba18271a0e
parentd0db819d9c5abe904f85a3b21a95023fef007f20
gfio: hide graph if all values are zero

If all visible data points in a label are zero, don't display it
and don't show tooltips.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
gfio.c
graph.c
graph.h