Config_sched_debug
WebOct 12, 2007 · sched: high-res preemption tick [LWN.net] User: Password: sched: high-res preemption tick Subject: sched: high-res preemption tick Use HR-timers (when available) to deliver an accurate preemption tick. The regular scheduler tick that runs at 1/HZ can be too coarse when nice level are used. http://oliveryang.net/2015/07/linux-scheduler-profiling-2/
Config_sched_debug
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WebScheduler debugfs Booting a kernel with CONFIG_SCHED_DEBUG=y will give access to scheduler specific debug files under /sys/kernel/debug/sched. Some of those files are described below. numa_balancing numa_balancing directory is used to hold files to control NUMA balancing feature. WebThe Browse column points to the Path of the Kconfig containing this variable on the gpl.boxmatrix.info service. The SoC column lists the Chip-Codenames, the Model …
WebJul 18, 2009 · However, CONFIG_SCHED_DEBUG grabs values from elsewhere, hence your confusion. This is a performance kernel tuned for defaults that enhance desktop … Webrcu_dereference_sched_check (p, c): Use explicit check expression “c” along with rcu_read_lock_sched_held (). This is useful in code that is invoked by both RCU-sched readers and updaters. srcu_dereference_check (p, c): Use explicit check expression “c” along with srcu_read_lock_held ().
WebThere is only one central tunable (you have to switch on CONFIG_SCHED_DEBUG): /sys/kernel/debug/sched/min_granularity_ns which can be used to tune the scheduler from "desktop" (i.e., low latencies) to "server" (i.e., good batching) workloads. It defaults to a setting suitable for desktop workloads. WebThe kernel provides several suitable interfaces, each with different properties: - high resolution (us or better) - fast to read (minimal locking, no i/o access) - synchronized on all processors - handles cpu clock frequency changes but nothing provides all of the above. Option: NET_SCH_CLK_JIFFIES Kernel Versions: 2.6.15.6 ...
Web2 days ago · In the Project window, right-click a testable item and select either Run filename or Debug filename . Android Studio creates a temporary run/debug configuration and …
WebCONFIG_SCHED_STACK_END_CHECK - - This option checks for a stack overrun on calls to schedule() kernelversion: stable - 6.2.10 mainline - 5.4.240 mainline - 5.15.106 … staircase theatre hamiltonstaircase thick carpet nosingWebThe sched-domains debugging infrastructure can be enabled by enabling CONFIG_SCHED_DEBUG and adding ‘sched_verbose’ to your cmdline. If you forgot to tweak your cmdline, you can also flip the /sys/kernel/debug/sched/verbose knob. This enables an error checking parse of the sched domains which should catch most possible … staircase the movieWeb# ifdef CONFIG_SCHED_DEBUG struct sd_flag_debug { unsigned int meta_flags; char *name; }; extern const struct sd_flag_debug sd_flag_debug []; # endif # ifdef CONFIG_SCHED_SMT static inline int cpu_smt_flags ( void) { return SD_SHARE_CPUCAPACITY SD_SHARE_PKG_RESOURCES; } # endif # ifdef … staircase to attic ideashttp://www.xdebug.org/docs/all_settings staircase to attic roomWebJul 25, 2007 · _Normally_ you should not need to change any knobs - the scheduler auto-tunes itself. That's why they are only accessible under CONFIG_SCHED_DEBUG. (But it helps when diagnosing scheduler problems that you can tune various aspects of it without having to reboot the kernel.) staircase top view pngWebThere is only one central tunable (you have to switch on CONFIG_SCHED_DEBUG): /proc/sys/kernel/sched_min_granularity_ns which can be used to tune the scheduler from “desktop” (i.e., low latencies) to “server” (i.e., good batching) workloads. It defaults to a setting suitable for desktop workloads. staircase to heaven colorado springs