Date: Fri, 2 Dec 2005 21:22:33 GMT From: John Baldwin <jhb@FreeBSD.org> To: Perforce Change Reviews <perforce@freebsd.org> Subject: PERFORCE change 87656 for review Message-ID: <200512022122.jB2LMXLl087913@repoman.freebsd.org>
next in thread | raw e-mail | index | archive | help
http://perforce.freebsd.org/chv.cgi?CH=87656 Change 87656 by jhb@jhb_slimer on 2005/12/02 21:21:58 Suggestion from Kris. Affected files ... .. //depot/projects/smpng/sys/notes#67 edit Differences ... ==== //depot/projects/smpng/sys/notes#67 (text+ko) ==== @@ -75,6 +75,10 @@ - arm, powerpc? - fork counts? - Add a cache-line padded mtx_aligned union and use it for the mutex pools. +- Add a per-thread counter of the number of sleep mutexes held (including + recursion) and panic if we try to sleep with any held to provide a cheaper + version of the current WITNESS check that doesn't bog the system down quite + as bad. Active child branches: - jhb_intr - fast ithreads and MSI? (perhaps do MSI in jhb_acpipci)
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?200512022122.jB2LMXLl087913>