In bash 5.3 the fractional part for the cpu reported by the time keyword always shows zeros:
$ TIMEFORMAT="cpu: %P" $ time cpu: 96.00 The fix: Patch (apply with `patch -p0'): --- execute_cmd.c Thu Jun 5 10:02:01 2025 +++ ../bash-5.3-patched/builtins/execute_cmd.c Mon Sep 29 04:16:26 2025 @@ -1380,7 +1380,7 @@ cpu = 10000; #endif sum = cpu / 100; - sum_frac = (cpu % 100) * 10; + sum_frac = (cpu % 100) * 10000; // mkfmt() expects the fractional part to be in microseconds. len = mkfmt (ts, 2, 0, sum, sum_frac); RESIZE_MALLOCED_BUFFER (str, sindex, len, ssize, 64); strcpy (str + sindex, ts); --
