Return to BSD News archive
Xref: sserve comp.unix.bsd:3367 comp.bugs.4bsd:1879 Path: sserve!manuel!munnari.oz.au!samsung!nighthawk.clearpoint.com!transfer!m2c!nic.umass.edu!noc.near.net!news.Brown.EDU!qt.cs.utexas.edu!cs.utexas.edu!zaphod.mps.ohio-state.edu!sdd.hp.com!usc!sol.ctr.columbia.edu!destroyer!ubc-cs!uw-beaver!zephyr.ens.tek.com!psgrain!m2xenix!agora!davidg From: davidg@agora.rain.com (David Greenman) Newsgroups: comp.unix.bsd,comp.bugs.4bsd Subject: 'ps aux' bug fix for 386BSD Message-ID: <1992Aug9.130540.26632@agora.uucp> Date: 9 Aug 92 13:05:40 GMT Sender: davidg@agora.uucp (David Greenman) Organization: Open Communications Forum Lines: 29 Finally, after hours of debugging, I solved the 'ps aux' bug. This one wasn't easy; there were many things along the way that mislead in the wrong direction. First, there is a 'bug' of sorts in the floating exception code of the kernel that causes floating point exceptions to be significantly delayed, and this was the reason why the bug didn't 'appear' to be in the 'ps' code. Oh well....I was wrong, the bug WAS in 'ps'. Here is the patch: (yes, stupid isn't it...) *** /usr/src/bin/ps/ps.c.01orig Mon Jul 1 17:54:45 1991 --- /usr/src/bin/ps/ps.c Sun Aug 9 05:35:26 1992 *************** *** 78,83 **** --- 78,84 ---- uid_t getuid(); char *ttyname(); + double getpcpu(); char dfmt[] = "pid tt state time command"; char jfmt[] = "user pid ppid pgid sess jobc state tt time command"; --- David Greenman davidg%implode@agora.rain.com