On Thu, Feb 17, 2005 at 12:14:04PM -0800, Can Sar hit keys to express the following: > Hi, > > I'm currently reading the great new paper that documents the Linux > scheduler and it talks about the difference between tgid and pid > task_struct. It says that the real equivalent of a Posix pid is > actually the tgid. So I was wondering whether the pid's shown in ps are > tgid's or pid's? I have a feeling that they are still pid's, but I am > not sure. Anyone know? getpid() call returns tgid, not pid. ps is a part of procps utilities reading /proc file system. It must be reading tgid, although I am not very sure till I read the source. You can do that too ;-) For those who does not know, Josh Aas has published a paper on linux 2.6.8.1 scheduler (http://josh.trancesoftware.com/linux/). He details the implementation details of linux scheduler by Ingo Molnar. Thanks Josh Aas. HTH. om. -- Don't despair; your ideal lover is waiting for you around the corner. -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
