CVS log for src/sys/arch/alpha/alpha/clock.c

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Default branch: MAIN
Current tag: kqueue-beforemerge

Revision 1.31 / (download) - annotate - [select for diffs], Sun May 27 13:53:24 2001 UTC (22 years, 10 months ago) by sommerfeld
Branch: MAIN
CVS Tags: thorpej-mips-cache-base, thorpej-mips-cache, thorpej-devvp-base3, thorpej-devvp-base2, thorpej-devvp-base, thorpej-devvp, pre-chs-ubcperf, post-chs-ubcperf, newlock-base, newlock, netbsd-1-6-base, netbsd-1-6-RELEASE, netbsd-1-6-RC3, netbsd-1-6-RC2, netbsd-1-6-RC1, netbsd-1-6-PATCH002-RELEASE, netbsd-1-6-PATCH002-RC4, netbsd-1-6-PATCH002-RC3, netbsd-1-6-PATCH002-RC2, netbsd-1-6-PATCH002-RC1, netbsd-1-6-PATCH002, netbsd-1-6-PATCH001-RELEASE, netbsd-1-6-PATCH001-RC3, netbsd-1-6-PATCH001-RC2, netbsd-1-6-PATCH001-RC1, netbsd-1-6-PATCH001, netbsd-1-6, nathanw_sa_end, nathanw_sa_before_merge, nathanw_sa_base, kqueue-beforemerge, kqueue-base, kqueue-aftermerge, kqueue, ifpoll-base, gmcgarry_ucred_base, gmcgarry_ucred, gmcgarry_ctxsw_base, gmcgarry_ctxsw, gehenna-devsw-base, gehenna-devsw, fvdl_fs64_base, eeh-devprop-base, eeh-devprop
Branch point for: nathanw_sa
Changes since 1.30: +10 -2 lines
Diff to previous 1.30 (colored)

Assorted microtime fixes (similar to fixes I made yesterday when
porting this code to i386mp branch):

 - call microset() early on each cpu so that calls to microtime()
before the first clock interrupt don't return trash.  this manifested
itself as garbage runtimes in "ps" for kernel threads.
 - avoid races between hardclock updating "time" and microset on a
different cpu reading it by adding a "microset_time" global which is
initialized from "time" on the primary cpu.
 - call microset every hz ticks, not every hz+1 (cosmetic)

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