top doesn't get TIME right for threaded processes. How about this small change:

--- usr.bin/top/machine.c-orig  2008-06-12 23:06:08.000000000 -0500
+++ usr.bin/top/machine.c       2008-06-12 23:06:51.000000000 -0500
@@ -725,6 +725,7 @@
                        prev_pp = pp;
                } else {
                        prev_pp->ki_pctcpu += pp->ki_pctcpu;
+                       prev_pp->ki_runtime += pp->ki_runtime;
                }
        }


(Sorry if the mail client messes up the patch, but it is so short that it can be easily entered by hand.)

I do realize that this is not foolproof, because it won't measure any threads that have finished. But it is perhaps a bit better than the current state of affairs, which randomly picks a runtime of one of the threads.

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