73 lines
1.9 KiB
Diff
73 lines
1.9 KiB
Diff
diff --git a/kernel/Kconfig.hz b/kernel/Kconfig.hz
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index 2a202a846757..1d9c7ed79b11 100644
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--- a/kernel/Kconfig.hz
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+++ b/kernel/Kconfig.hz
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@@ -4,7 +4,7 @@
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choice
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prompt "Timer frequency"
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- default HZ_250
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+ default HZ_500
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help
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Allows the configuration of the timer frequency. It is customary
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to have the timer interrupt run at 1000 Hz but 100 Hz may be more
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@@ -39,6 +39,13 @@ choice
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on SMP and NUMA systems and exactly dividing by both PAL and
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NTSC frame rates for video and multimedia work.
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+ config HZ_500
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+ bool "500 HZ"
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+ help
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+ 500 Hz is a balanced timer frequency. Provides fast interactivity
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+ on desktops with great smoothness without increasing CPU power
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+ consumption and sacrificing the battery life on laptops.
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+
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config HZ_1000
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bool "1000 HZ"
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help
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@@ -52,6 +59,7 @@ config HZ
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default 100 if HZ_100
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default 250 if HZ_250
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default 300 if HZ_300
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+ default 500 if HZ_500
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default 1000 if HZ_1000
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config SCHED_HRTICK
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diff --git a/kernel/Kconfig.hz b/kernel/Kconfig.hz
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index 2a202a846757..1d9c7ed79b11 100644
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--- a/kernel/Kconfig.hz
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+++ b/kernel/Kconfig.hz
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@@ -4,7 +4,7 @@
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choice
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prompt "Timer frequency"
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- default HZ_500
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+ default HZ_750
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help
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Allows the configuration of the timer frequency. It is customary
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to have the timer interrupt run at 1000 Hz but 100 Hz may be more
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@@ -46,6 +46,13 @@ choice
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on desktops with great smoothness without increasing CPU power
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consumption and sacrificing the battery life on laptops.
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+ config HZ_750
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+ bool "750 HZ"
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+ help
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+ 750 Hz is a good timer frequency for desktops. Provides fast
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+ interactivity with great smoothness without sacrificing too
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+ much throughput.
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+
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config HZ_1000
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bool "1000 HZ"
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help
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@@ -60,6 +67,7 @@ config HZ
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default 250 if HZ_250
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default 300 if HZ_300
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default 500 if HZ_500
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+ default 750 if HZ_750
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default 1000 if HZ_1000
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config SCHED_HRTICK
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