mirror of https://gitee.com/openkylin/linux.git
cpuidle: create processor.latency_factor tunable
Start with default value of 6, so by default, there is no functional change in this patch. Signed-off-by: Len Brown <len.brown@intel.com>
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@ -94,6 +94,9 @@ module_param(bm_history, uint, 0644);
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static int acpi_processor_set_power_policy(struct acpi_processor *pr);
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#else /* CONFIG_CPU_IDLE */
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static unsigned int latency_factor __read_mostly = 6;
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module_param(latency_factor, uint, 0644);
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#endif
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/*
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@ -1576,7 +1579,7 @@ static int acpi_processor_setup_cpuidle(struct acpi_processor *pr)
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snprintf(state->name, CPUIDLE_NAME_LEN, "C%d", i);
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state->exit_latency = cx->latency;
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state->target_residency = cx->latency * 6;
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state->target_residency = cx->latency * latency_factor;
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state->power_usage = cx->power;
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state->flags = 0;
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