profiler - protection against divide by zero on zero time sections

Signed-off-by: davidoh <[email protected]>

v0.9.10 released

Signed-off-by: David Ohana <[email protected]>

v0.9.9

Signed-off-by: David Ohana <[email protected]>

v0.9.8

Signed-off-by: David Ohana <[email protected]>

docs

v0.9.4 release

v0.9.4 release

0.9.3 release