Division between integers will also be integer. Thus, to preserve fractional part explicitly convert first operand to double. Found by Linux Verification Center (linuxtesting.org) with SVACE. Fixes: 28d54aab05 ("examples: Introduce domtop") Signed-off-by: Egor Makrushin <emakrushin(a)astralinux.ru&gt; --- examples/c/domain/domtop.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/examples/c/domain/domtop.c b/examples/c/domain/domtop.c index dd35ec8661..65663a1c39 100644 --- a/examples/c/domain/domtop.c +++ b/examples/c/domain/domtop.c @@ -224,7 +224,7 @@ print_cpu_usage(size_t cpu, * performed has a bad effect on the precision, so instead of dividing * @now_params and @then_params by 1000 and then multiplying again by * 100, we divide only once by 10 and get the same result. */ - usage = (now_params[pos].value.ul - then_params[pos].value.ul) / + usage = (double)(now_params[pos].value.ul - then_params[pos].value.ul) / (now - then) / 10; if (delim) -- 2.30.2