From: Peter Williams <pwil3058@bigpond.net.au>
To: Jake Moilanen <moilanen@austin.ibm.com>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Michal Kaczmarski <fallow@op.pl>,
Shane Shrybman <shrybman@aei.ca>
Subject: [PATCH] V-6.1 ZAPHOD Single Priority Array O(1) CPU Scheduler
Date: Tue, 11 Jan 2005 14:53:33 +1100 [thread overview]
Message-ID: <41E34DBD.3050804@bigpond.net.au> (raw)
Version 6.1 of the ZAPHOD single priority array scheduler patches for
the 2.6.10 kernel are now available for download and evaluation from:
<http://prdownloads.sourceforge.net/cpuse/patch-2.6.10-spa_zaphod_FULL-v6.1?download>
This contains the extra per runqueue CPU statistics for improving GA
fitness functions that we discussed.
struct runq_cpustats {
#ifdef CONFIG_SMP
unsigned long long timestamp_last_tick;
#endif
unsigned long long total_delay;
unsigned long long total_rt_delay;
unsigned long long total_intr_delay;
unsigned long long total_fork_delay;
unsigned long long total_sinbin;
};
total_delay - is total time spent by tasks waiting for CPU on this runqueue
total_rt_delay - as for total_delay but only for real time tasks
total_intr_delay - is total time spent by tasks waiting for CPU on this
runqueue after being woken to service an interrupt
total_fork_delay - is total time spent by tasks waiting for CPU on this
runqueue for their first time slice after forking
Peter
--
Peter Williams pwil3058@bigpond.net.au
"Learning, n. The kind of ignorance distinguishing the studious."
-- Ambrose Bierce
reply other threads:[~2005-01-11 3:56 UTC|newest]
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