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David C Niemi 3f78a9f7fc [CPUFREQ] add sampling_down_factor tunable to improve ondemand performance ... Adds a new global tunable, sampling_down_factor. Set to 1 it makes no changes from existing behavior, but set to greater than 1 (e.g. 100) it acts as a multiplier for the scheduling interval for reevaluating load when the CPU is at its top speed due to high load. This improves performance by reducing the overhead of load evaluation and helping the CPU stay at its top speed when truly busy, rather than shifting back and forth in speed. This tunable has no effect on behavior at lower speeds/lower CPU loads. This patch is against 2.6.36-rc6. This patch should help solve kernel bug 19672 "ondemand is slow". Signed-off-by: David Niemi <dniemi@verisign.com> Acked-by: Venkatesh Pallipadi <venki@google.com> CC: Daniel Hollocher <danielhollocher@gmail.com> CC: <cpufreq-list@vger.kernel.org> CC: <linux-kernel@vger.kernel.org> Signed-off-by: Dave Jones <davej@redhat.com>		14 years ago
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Kconfig	…
Makefile	…
cpufreq.c	[CPUFREQ] drivers/cpufreq: Adjust confusing if indentation	14 years ago
cpufreq_conservative.c	Merge commit 'v2.6.34-rc6' into x86/cpu	15 years ago
cpufreq_ondemand.c	[CPUFREQ] add sampling_down_factor tunable to improve ondemand performance	14 years ago
cpufreq_performance.c	…
cpufreq_powersave.c	…
cpufreq_stats.c	include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h	15 years ago
cpufreq_userspace.c	…
freq_table.c	…