--- zzzz-none-000/linux-5.4.213/lib/Kconfig.debug 2022-09-15 10:04:56.000000000 +0000 +++ miami-7690-761/linux-5.4.213/lib/Kconfig.debug 2024-05-29 11:20:02.000000000 +0000 @@ -302,7 +302,7 @@ as uapi header sanity checks. config OPTIMIZE_INLINING - def_bool y + bool "Allow compiler to uninline functions marked 'inline'" help This option determines if the kernel forces gcc to inline the functions developers have marked 'inline'. Doing so takes away freedom from gcc to @@ -313,6 +313,8 @@ decision will become the default in the future. Until then this option is there to test gcc for this. + If unsure, say N. + config DEBUG_SECTION_MISMATCH bool "Enable full Section mismatch analysis" help @@ -497,6 +499,12 @@ percpu counter routines to track the life time of percpu counter objects and validate the percpu counter operations. +config DEBUG_OBJECTS_SKBUFF + bool "Debug sk_buff allocations" + depends on DEBUG_OBJECTS + help + Enable this to turn on debugging of sk_buff's (incl. recycler) + config DEBUG_OBJECTS_ENABLE_DEFAULT int "debug_objects bootup default value (0-1)" range 0 1 @@ -745,6 +753,10 @@ If in doubt, say "N". +config DEBUG_MEM_USAGE + default n + bool "Track memory usage selectively" + source "lib/Kconfig.kasan" endmenu # "Memory Debugging" @@ -2089,6 +2101,30 @@ config ARCH_HAS_DEVMEM_IS_ALLOWED bool +config STOPWATCH + bool + prompt "API to measure time elapsed between two events" + default n + help + This feature provides APIs to measure time elaspsed between any two + events with nanosecond precision. Multiple samples can be collected + by calling the STOPWATCH_(START/STOP) APIs. The min, avg and max + values of all the samples can be viewed at /proc/stopwatch/. + The counters are reset everytime the file is viewed. + + If in doubt, say N here. + +config STOPWATCH_SOFT_IRQ + bool + depends on STOPWATCH + prompt "Measure soft IRQ processing time using stopwatch" + default n + help + Measure the time taken to process each soft IRQ. + The values can be viewed at /proc/stopwatch/softirq + + If in doubt, say N here. + config STRICT_DEVMEM bool "Filter access to /dev/mem" depends on MMU && DEVMEM