Before creating your timechart, use an eval function to format your variable the way you would like. So try something like:
search | eval diff_in_min=(diff/60) | timechart span=10m avg(diff_in_min)
A simpler way may be to use eval() (as function):
search | timechart span=10m eval(avg(diff)/60) as diff_in_min
Before creating your timechart, use an eval function to format your variable the way you would like. So try something like:
search | eval diff_in_min=(diff/60) | timechart span=10m avg(diff_in_min)
thanks much