kirin_defconfig: Configure for freqbench

- Reduce timer frequency to 100 Hz
- Support disabling periodic tick on certain CPUs
- Disable cpufreq times (otherwise kernel panics with nohz_full)
- Enable devtmpfs for Alpine
- Enable powersave and userspace governors

Signed-off-by: Danny Lin <[email protected]>

Author: kdrag0n

arch/arm64/configs/vendor/kirin_defconfig

@@ -89,16 +89,17 @@ CONFIG_GENERIC_CLOCKEVENTS_BROADCAST=y
 CONFIG_TICK_ONESHOT=y
 CONFIG_NO_HZ_COMMON=y
 # CONFIG_HZ_PERIODIC is not set
-CONFIG_NO_HZ_IDLE=y
-# CONFIG_NO_HZ_FULL is not set
+# CONFIG_NO_HZ_IDLE is not set
+CONFIG_NO_HZ_FULL=y
+# CONFIG_NO_HZ_FULL_ALL is not set
 CONFIG_NO_HZ=y
 CONFIG_HIGH_RES_TIMERS=y
 
 #
 # CPU/Task time and stats accounting
 #
-CONFIG_TICK_CPU_ACCOUNTING=y
-# CONFIG_VIRT_CPU_ACCOUNTING_GEN is not set
+CONFIG_VIRT_CPU_ACCOUNTING=y
+CONFIG_VIRT_CPU_ACCOUNTING_GEN=y
 CONFIG_IRQ_TIME_ACCOUNTING=y
 # CONFIG_SCHED_WALT is not set
 # CONFIG_BSD_PROCESS_ACCT is not set
@@ -118,6 +119,8 @@ CONFIG_TREE_SRCU=y
 CONFIG_TASKS_RCU=y
 CONFIG_RCU_STALL_COMMON=y
 CONFIG_RCU_NEED_SEGCBLIST=y
+CONFIG_CONTEXT_TRACKING=y
+# CONFIG_CONTEXT_TRACKING_FORCE is not set
 CONFIG_RCU_FANOUT=64
 CONFIG_RCU_FANOUT_LEAF=16
 CONFIG_RCU_FAST_NO_HZ=y
@@ -489,11 +492,11 @@ CONFIG_HOLES_IN_ZONE=y
 # CONFIG_PREEMPT_VOLUNTARY is not set
 CONFIG_PREEMPT=y
 CONFIG_PREEMPT_COUNT=y
-# CONFIG_HZ_100 is not set
+CONFIG_HZ_100=y
 # CONFIG_HZ_250 is not set
-CONFIG_HZ_300=y
+# CONFIG_HZ_300 is not set
 # CONFIG_HZ_1000 is not set
-CONFIG_HZ=300
+CONFIG_HZ=100
 CONFIG_SCHED_HRTICK=y
 CONFIG_ARCH_SUPPORTS_DEBUG_PAGEALLOC=y
 CONFIG_ARCH_HAS_HOLES_MEMORYMODEL=y
@@ -656,7 +659,7 @@ CONFIG_CPU_IDLE_MULTIPLE_DRIVERS=y
 CONFIG_CPU_FREQ=y
 CONFIG_CPU_FREQ_GOV_ATTR_SET=y
 CONFIG_CPU_FREQ_STAT=y
-CONFIG_CPU_FREQ_TIMES=y
+# CONFIG_CPU_FREQ_TIMES is not set
 CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE=y
 # CONFIG_CPU_FREQ_DEFAULT_GOV_POWERSAVE is not set
 # CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE is not set
@@ -666,7 +669,7 @@ CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE=y
 # CONFIG_CPU_FREQ_DEFAULT_GOV_INTERACTIVE is not set
 CONFIG_CPU_FREQ_GOV_PERFORMANCE=y
 # CONFIG_CPU_FREQ_GOV_POWERSAVE is not set
-# CONFIG_CPU_FREQ_GOV_USERSPACE is not set
+CONFIG_CPU_FREQ_GOV_USERSPACE=y
 # CONFIG_CPU_FREQ_GOV_ONDEMAND is not set
 # CONFIG_CPU_FREQ_GOV_CONSERVATIVE is not set
 # CONFIG_CPU_BOOST is not set