Date: Thu, 28 Apr 2011 17:56:02 +0000 (UTC) From: Jung-uk Kim <jkim@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r221178 - head/sys/x86/x86 Message-ID: <201104281756.p3SHu2MS035010@svn.freebsd.org>
next in thread | raw e-mail | index | archive | help
Author: jkim Date: Thu Apr 28 17:56:02 2011 New Revision: 221178 URL: http://svn.freebsd.org/changeset/base/221178 Log: Turn off periodic recalibration of CPU ticker frequency if it is invariant. Modified: head/sys/x86/x86/tsc.c Modified: head/sys/x86/x86/tsc.c ============================================================================== --- head/sys/x86/x86/tsc.c Thu Apr 28 17:44:24 2011 (r221177) +++ head/sys/x86/x86/tsc.c Thu Apr 28 17:56:02 2011 (r221178) @@ -228,7 +228,7 @@ init_TSC(void) * discovers a new max frequency. */ if (tsc_freq != 0) - set_cputicker(rdtsc, tsc_freq, 1); + set_cputicker(rdtsc, tsc_freq, !tsc_is_invariant); if (tsc_is_invariant) return;
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201104281756.p3SHu2MS035010>