# CONFIG_HZ_PERIODIC is not set CONFIG_NO_HZ_IDLE=y # CONFIG_NO_HZ_FULL is not set CONFIG_NO_HZ=y CONFIG_HIGH_RES_TIMERS=y # end of Timers subsystem # CONFIG_PREEMPT_NONE is not set CONFIG_PREEMPT_VOLUNTARY=y # CONFIG_PREEMPT is not set # # CPU/Task time and stats accounting ...
# CONFIG_PREEMPT_NONE is not set CONFIG_PREEMPT_VOLUNTARY=y # CONFIG_PREEMPT is not set # # CPU/Task time and stats accounting # 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. 25. 26. 27. 28. 29. 30. 31. 32. ...
In other words, choosing CONFIG_PREEMPT_NONE would favour throughputover latency, the latter being more important on GUI environment (wherea non-responsive mouse is bad, for example) but not on servers. A second benefit of CONFIG_PREEMPT_NONE is that it reduces contextswitch overhead, which me...
[config文件] # # Automatically generated make config: don't edit # Linux kernel version: 2.6.21 # Thu Apr 26 22:15:26 2007 # CONFIG_X86_32=y CONFIG_GENERIC_TIME=y CONFIG_CLOCKSOURCE_WATCHDOG=y CONFIG_GENERIC_CLOCKEVENTS=y CONFIG_LOCKDEP_SUPPORT=y CONFIG_STACKTRACE_SUPPORT=y CONFIG_SEMAPH...
while on TREE_PREEMPT_RCU kernel builds, RCU is instead implemented while on PREEMPT_RCU kernel builds, RCU is instead implemented by rcu_preempt_state. On the other hand, if the offending CPU fails to print out a stall-warning @@ -83,7 +83,7 @@ INFO: rcu_bh_state detected stalls ...
CONFIG_DEFAULT_IOSCHED "cfq" CONFIG_HZ 250 CONFIG_HZ_100 not set CONFIG_HZ_250 y CONFIG_LIB80211 m CONFIG_PREEMPT_NONE not set CONFIG_PREEMPT_VOLUNTARY y KernelTeam/2.6.30-5-generic-config (上次是 79-70-28-131 在2009-05-18 10:15:42 編輯的) The...
CONFIG_PREEMPT_NONE_BUILD=y CONFIG_PREEMPT_NONE=y # CONFIG_PREEMPT_VOLUNTARY is not set # CONFIG_PREEMPT is not set CONFIG_PREEMPT_COUNT=y CONFIG_PREEMPTION=y CONFIG_PREEMPT_DYNAMIC=y # CONFIG_PREEMPT_DYNAMIC is not set # CONFIG_SCHED_CORE is not set # @@ -126,18 +123,15 @@ CONFIG...
CONFIG_PREEMPT_NONE=y # CONFIG_PREEMPT_VOLUNTARY is not set # CONFIG_PREEMPT is not set # # CPU/Task time and stats accounting # CONFIG_TICK_CPU_ACCOUNTING=y # CONFIG_VIRT_CPU_ACCOUNTING_GEN is not set CONFIG_IRQ_TIME_ACCOUNTING=y CONFIG_HAVE_SCHED_AVG_IRQ=y CONFIG_SCHED_THERMAL_PRESSUR...
# CONFIG_PREEMPT_NONE is not set # CONFIG_PREEMPT_VOLUNTARY is not set CONFIG_PREEMPT=y CONFIG_PREEMPT_COUNT=y CONFIG_HZ_FIXED=0 CONFIG_HZ_100=y # CONFIG_HZ_200 is not set # CONFIG_HZ_250 is not set # CONFIG_HZ_300 is not set # CONFIG_HZ_500 is not set # CONF...
Re: CONFIG_PREEMPT_RT on Raspberry Pi Fri Jun 21, 2013 2:47 pm A quick update: The problem with cyclictest took me a long time to figure out, but its easy when you get there: Code:Select all > sudo -s > mount -t debugfs none /sys/kernel/debug > echo dwc_otg_hcd_handle_fiq ...