2008-12-05 11:25:28

by Alexey Dobriyan

[permalink] [raw]
Subject: kmemtrace

1. It doesn't link

LD vmlinux
kernel/built-in.o: In function `add_del_listener':
taskstats.c:(.text+0x1f869): undefined reference to `.L180'

It is still unclear exactly why. Common pattern is something like:

for_each_cpu(cpu) {
p = kmalloc();
if (!p)
goto err;
...
}
err:


$ cc -v
Reading specs from /usr/lib/gcc/x86_64-pc-linux-gnu/3.4.6/specs
Configured with: /var/tmp/portage/sys-devel/gcc-3.4.6-r2/work/gcc-3.4.6/configure --prefix=/usr --bindir=/usr/x86_64-pc-linux-gnu/gcc-bin/3.4.6 --includedir=/usr/lib/gcc/x86_64-pc-linux-gnu/3.4.6/include --datadir=/usr/share/gcc-data/x86_64-pc-linux-gnu/3.4.6 --mandir=/usr/share/gcc-data/x86_64-pc-linux-gnu/3.4.6/man --infodir=/usr/share/gcc-data/x86_64-pc-linux-gnu/3.4.6/info --with-gxx-include-dir=/usr/lib/gcc/x86_64-pc-linux-gnu/3.4.6/include/g++-v3 --host=x86_64-pc-linux-gnu --build=x86_64-pc-linux-gnu --disable-altivec --disable-nls --with-system-zlib --disable-checking --disable-werror --enable-secureplt --disable-multilib --disable-libgcj --enable-languages=c,c++,treelang --enable-shared --enable-threads=posix --enable-__cxa_atexit --enable-clocale=gnu
Thread model: posix
gcc version 3.4.6 (Gentoo 3.4.6-r2 p1.5)

$ as -v
GNU assembler version 2.18 (x86_64-pc-linux-gnu) using BFD version (GNU Binutils) 2.18

2. markers format strings. Printing pointers as %lu(!).

#
# Automatically generated make config: don't edit
# Linux kernel version: 2.6.28-rc7
# Fri Dec 5 14:10:53 2008
#
CONFIG_64BIT=y
# CONFIG_X86_32 is not set
CONFIG_X86_64=y
CONFIG_X86=y
CONFIG_ARCH_DEFCONFIG="arch/x86/configs/x86_64_defconfig"
CONFIG_GENERIC_TIME=y
CONFIG_GENERIC_CMOS_UPDATE=y
CONFIG_CLOCKSOURCE_WATCHDOG=y
CONFIG_GENERIC_CLOCKEVENTS=y
CONFIG_GENERIC_CLOCKEVENTS_BROADCAST=y
CONFIG_LOCKDEP_SUPPORT=y
CONFIG_STACKTRACE_SUPPORT=y
CONFIG_HAVE_LATENCYTOP_SUPPORT=y
CONFIG_FAST_CMPXCHG_LOCAL=y
CONFIG_MMU=y
CONFIG_ZONE_DMA=y
CONFIG_GENERIC_ISA_DMA=y
CONFIG_GENERIC_IOMAP=y
CONFIG_GENERIC_HWEIGHT=y
CONFIG_ARCH_MAY_HAVE_PC_FDC=y
CONFIG_RWSEM_GENERIC_SPINLOCK=y
# CONFIG_RWSEM_XCHGADD_ALGORITHM is not set
CONFIG_ARCH_HAS_CPU_IDLE_WAIT=y
CONFIG_GENERIC_CALIBRATE_DELAY=y
CONFIG_GENERIC_TIME_VSYSCALL=y
CONFIG_ARCH_HAS_CPU_RELAX=y
CONFIG_ARCH_HAS_DEFAULT_IDLE=y
CONFIG_ARCH_HAS_CACHE_LINE_SIZE=y
# CONFIG_HAVE_SETUP_PER_CPU_AREA is not set
# CONFIG_HAVE_CPUMASK_OF_CPU_MAP is not set
CONFIG_ARCH_HIBERNATION_POSSIBLE=y
CONFIG_ARCH_SUSPEND_POSSIBLE=y
CONFIG_ZONE_DMA32=y
CONFIG_ARCH_POPULATES_NODE_MAP=y
CONFIG_AUDIT_ARCH=y
CONFIG_ARCH_SUPPORTS_OPTIMIZED_INLINING=y
CONFIG_GENERIC_HARDIRQS=y
CONFIG_GENERIC_IRQ_PROBE=y
CONFIG_X86_BIOS_REBOOT=y
# CONFIG_KTIME_SCALAR is not set
CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"

#
# General setup
#
CONFIG_EXPERIMENTAL=y
CONFIG_BROKEN_ON_SMP=y
CONFIG_INIT_ENV_ARG_LIMIT=32
CONFIG_LOCALVERSION=""
# CONFIG_SYSVIPC is not set
# CONFIG_POSIX_MQUEUE is not set
# CONFIG_BSD_PROCESS_ACCT is not set
CONFIG_TASKSTATS=y
# CONFIG_TASK_DELAY_ACCT is not set
CONFIG_TASK_XACCT=y
# CONFIG_TASK_IO_ACCOUNTING is not set
# CONFIG_AUDIT is not set
# CONFIG_IKCONFIG is not set
CONFIG_LOG_BUF_SHIFT=17
# CONFIG_CGROUPS is not set
CONFIG_HAVE_UNSTABLE_SCHED_CLOCK=y
# CONFIG_GROUP_SCHED is not set
CONFIG_RELAY=y
# CONFIG_NAMESPACES is not set
# CONFIG_BLK_DEV_INITRD is not set
CONFIG_CC_OPTIMIZE_FOR_SIZE=y
CONFIG_EMBEDDED=y
# CONFIG_SYSCTL_SYSCALL is not set
# CONFIG_KALLSYMS is not set
# CONFIG_HOTPLUG is not set
# CONFIG_PRINTK is not set
# CONFIG_BUG is not set
# CONFIG_ELF_CORE is not set
# CONFIG_PCSPKR_PLATFORM is not set
# CONFIG_COMPAT_BRK is not set
CONFIG_BASE_FULL=y
# CONFIG_FUTEX is not set
# CONFIG_EPOLL is not set
# CONFIG_SIGNALFD is not set
# CONFIG_TIMERFD is not set
# CONFIG_EVENTFD is not set
CONFIG_SHMEM=y
# CONFIG_AIO is not set
# CONFIG_VM_EVENT_COUNTERS is not set
# CONFIG_SLAB is not set
CONFIG_SLUB=y
# CONFIG_SLOB is not set
# CONFIG_PROFILING is not set
CONFIG_TRACEPOINTS=y
CONFIG_MARKERS=y
CONFIG_HAVE_OPROFILE=y
CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS=y
CONFIG_HAVE_IOREMAP_PROT=y
CONFIG_HAVE_KPROBES=y
CONFIG_HAVE_KRETPROBES=y
CONFIG_HAVE_ARCH_TRACEHOOK=y
# CONFIG_HAVE_GENERIC_DMA_COHERENT is not set
# CONFIG_TINY_SHMEM is not set
CONFIG_BASE_SMALL=0
# CONFIG_MODULES is not set
# CONFIG_BLOCK is not set
CONFIG_CLASSIC_RCU=y
# CONFIG_FREEZER is not set

#
# Processor type and features
#
# CONFIG_NO_HZ is not set
# CONFIG_HIGH_RES_TIMERS is not set
CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
# CONFIG_SMP is not set
CONFIG_X86_FIND_SMP_CONFIG=y
CONFIG_X86_MPPARSE=y
CONFIG_X86_PC=y
# CONFIG_X86_ELAN is not set
# CONFIG_X86_VOYAGER is not set
# CONFIG_X86_GENERICARCH is not set
# CONFIG_X86_VSMP is not set
# CONFIG_SCHED_OMIT_FRAME_POINTER is not set
# CONFIG_PARAVIRT_GUEST is not set
# CONFIG_MEMTEST is not set
# CONFIG_M386 is not set
# CONFIG_M486 is not set
# CONFIG_M586 is not set
# CONFIG_M586TSC is not set
# CONFIG_M586MMX is not set
# CONFIG_M686 is not set
# CONFIG_MPENTIUMII is not set
# CONFIG_MPENTIUMIII is not set
# CONFIG_MPENTIUMM is not set
# CONFIG_MPENTIUM4 is not set
# CONFIG_MK6 is not set
# CONFIG_MK7 is not set
# CONFIG_MK8 is not set
# CONFIG_MCRUSOE is not set
# CONFIG_MEFFICEON is not set
# CONFIG_MWINCHIPC6 is not set
# CONFIG_MWINCHIP3D is not set
# CONFIG_MGEODEGX1 is not set
# CONFIG_MGEODE_LX is not set
# CONFIG_MCYRIXIII is not set
# CONFIG_MVIAC3_2 is not set
# CONFIG_MVIAC7 is not set
# CONFIG_MPSC is not set
# CONFIG_MCORE2 is not set
CONFIG_GENERIC_CPU=y
CONFIG_X86_CPU=y
CONFIG_X86_L1_CACHE_BYTES=128
CONFIG_X86_INTERNODE_CACHE_BYTES=128
CONFIG_X86_CMPXCHG=y
CONFIG_X86_L1_CACHE_SHIFT=7
CONFIG_X86_WP_WORKS_OK=y
CONFIG_X86_TSC=y
CONFIG_X86_CMPXCHG64=y
CONFIG_X86_CMOV=y
CONFIG_X86_MINIMUM_CPU_FAMILY=64
CONFIG_X86_DEBUGCTLMSR=y
# CONFIG_PROCESSOR_SELECT is not set
CONFIG_CPU_SUP_INTEL=y
CONFIG_CPU_SUP_AMD=y
CONFIG_CPU_SUP_CENTAUR_64=y
# CONFIG_X86_DS is not set
# CONFIG_X86_PTRACE_BTS is not set
CONFIG_HPET_TIMER=y
# CONFIG_DMI is not set
CONFIG_SWIOTLB=y
CONFIG_IOMMU_HELPER=y
CONFIG_PREEMPT_NONE=y
# CONFIG_PREEMPT_VOLUNTARY is not set
# CONFIG_PREEMPT is not set
CONFIG_X86_LOCAL_APIC=y
CONFIG_X86_IO_APIC=y
# CONFIG_X86_REROUTE_FOR_BROKEN_BOOT_IRQS is not set
# CONFIG_X86_MCE is not set
# CONFIG_I8K is not set
# CONFIG_MICROCODE is not set
# CONFIG_X86_MSR is not set
# CONFIG_X86_CPUID is not set
CONFIG_ARCH_PHYS_ADDR_T_64BIT=y
# CONFIG_DIRECT_GBPAGES is not set
CONFIG_ARCH_SPARSEMEM_DEFAULT=y
CONFIG_ARCH_SPARSEMEM_ENABLE=y
CONFIG_ARCH_SELECT_MEMORY_MODEL=y
CONFIG_ILLEGAL_POINTER_VALUE=0xdead000000000000
CONFIG_SELECT_MEMORY_MODEL=y
# CONFIG_FLATMEM_MANUAL is not set
# CONFIG_DISCONTIGMEM_MANUAL is not set
CONFIG_SPARSEMEM_MANUAL=y
CONFIG_SPARSEMEM=y
CONFIG_HAVE_MEMORY_PRESENT=y
CONFIG_SPARSEMEM_EXTREME=y
CONFIG_SPARSEMEM_VMEMMAP_ENABLE=y
# CONFIG_SPARSEMEM_VMEMMAP is not set
CONFIG_PAGEFLAGS_EXTENDED=y
CONFIG_SPLIT_PTLOCK_CPUS=4
CONFIG_RESOURCES_64BIT=y
CONFIG_PHYS_ADDR_T_64BIT=y
CONFIG_ZONE_DMA_FLAG=1
CONFIG_VIRT_TO_BUS=y
# CONFIG_UNEVICTABLE_LRU is not set
# CONFIG_X86_CHECK_BIOS_CORRUPTION is not set
# CONFIG_X86_RESERVE_LOW_64K is not set
# CONFIG_MTRR is not set
# CONFIG_SECCOMP is not set
# CONFIG_CC_STACKPROTECTOR is not set
# CONFIG_HZ_100 is not set
CONFIG_HZ_250=y
# CONFIG_HZ_300 is not set
# CONFIG_HZ_1000 is not set
CONFIG_HZ=250
# CONFIG_SCHED_HRTICK is not set
# CONFIG_KEXEC is not set
# CONFIG_CRASH_DUMP is not set
CONFIG_PHYSICAL_START=0x200000
# CONFIG_RELOCATABLE is not set
CONFIG_PHYSICAL_ALIGN=0x200000
# CONFIG_CMDLINE_BOOL is not set
CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG=y

#
# Power management and ACPI options
#
# CONFIG_PM is not set

#
# CPU Frequency scaling
#
# CONFIG_CPU_FREQ is not set
# CONFIG_CPU_IDLE is not set

#
# Memory power savings
#
# CONFIG_I7300_IDLE is not set

#
# Bus options (PCI etc.)
#
# CONFIG_PCI is not set
# CONFIG_ARCH_SUPPORTS_MSI is not set
CONFIG_ISA_DMA_API=y

#
# Executable file formats / Emulations
#
# CONFIG_BINFMT_ELF is not set
# CONFIG_HAVE_AOUT is not set
# CONFIG_BINFMT_MISC is not set
# CONFIG_IA32_EMULATION is not set
# CONFIG_COMPAT_FOR_U64_ALIGNMENT is not set
CONFIG_NET=y

#
# Networking options
#
CONFIG_COMPAT_NET_DEV_OPS=y
# CONFIG_PACKET is not set
# CONFIG_UNIX is not set
# CONFIG_NET_KEY is not set
CONFIG_INET=y
# CONFIG_IP_MULTICAST is not set
# CONFIG_IP_ADVANCED_ROUTER is not set
CONFIG_IP_FIB_HASH=y
# CONFIG_IP_PNP is not set
# CONFIG_NET_IPIP is not set
# CONFIG_NET_IPGRE is not set
# CONFIG_ARPD is not set
# CONFIG_SYN_COOKIES is not set
# CONFIG_INET_AH is not set
# CONFIG_INET_ESP is not set
# CONFIG_INET_IPCOMP is not set
# CONFIG_INET_XFRM_TUNNEL is not set
# CONFIG_INET_TUNNEL is not set
# CONFIG_INET_XFRM_MODE_TRANSPORT is not set
# CONFIG_INET_XFRM_MODE_TUNNEL is not set
# CONFIG_INET_XFRM_MODE_BEET is not set
# CONFIG_INET_LRO is not set
# CONFIG_INET_DIAG is not set
# CONFIG_TCP_CONG_ADVANCED is not set
CONFIG_TCP_CONG_CUBIC=y
CONFIG_DEFAULT_TCP_CONG="cubic"
# CONFIG_TCP_MD5SIG is not set
# CONFIG_IPV6 is not set
# CONFIG_NETWORK_SECMARK is not set
# CONFIG_NETFILTER is not set
# CONFIG_IP_DCCP is not set
# CONFIG_IP_SCTP is not set
# CONFIG_TIPC is not set
# CONFIG_ATM is not set
# CONFIG_BRIDGE is not set
# CONFIG_NET_DSA is not set
# CONFIG_VLAN_8021Q is not set
# CONFIG_DECNET is not set
# CONFIG_LLC2 is not set
# CONFIG_IPX is not set
# CONFIG_ATALK is not set
# CONFIG_X25 is not set
# CONFIG_LAPB is not set
# CONFIG_ECONET is not set
# CONFIG_WAN_ROUTER is not set
# CONFIG_NET_SCHED is not set
# CONFIG_DCB is not set

#
# Network testing
#
# CONFIG_HAMRADIO is not set
# CONFIG_CAN is not set
# CONFIG_IRDA is not set
# CONFIG_BT is not set
# CONFIG_AF_RXRPC is not set
# CONFIG_PHONET is not set
# CONFIG_WIRELESS is not set
# CONFIG_RFKILL is not set
# CONFIG_NET_9P is not set

#
# Device Drivers
#

#
# Generic Driver Options
#
CONFIG_STANDALONE=y
# CONFIG_PREVENT_FIRMWARE_BUILD is not set
# CONFIG_DEBUG_DRIVER is not set
# CONFIG_DEBUG_DEVRES is not set
# CONFIG_SYS_HYPERVISOR is not set
# CONFIG_CONNECTOR is not set
# CONFIG_MTD is not set
# CONFIG_PARPORT is not set
# CONFIG_MISC_DEVICES is not set
CONFIG_HAVE_IDE=y

#
# SCSI device support
#
# CONFIG_SCSI_DMA is not set
# CONFIG_SCSI_NETLINK is not set
# CONFIG_MACINTOSH_DRIVERS is not set
# CONFIG_NETDEVICES is not set
# CONFIG_ISDN is not set
# CONFIG_PHONE is not set

#
# Input device support
#
CONFIG_INPUT=y
# CONFIG_INPUT_FF_MEMLESS is not set
# CONFIG_INPUT_POLLDEV is not set

#
# Userland interfaces
#
# CONFIG_INPUT_MOUSEDEV is not set
# CONFIG_INPUT_JOYDEV is not set
# CONFIG_INPUT_EVDEV is not set
# CONFIG_INPUT_EVBUG is not set

#
# Input Device Drivers
#
# CONFIG_INPUT_KEYBOARD is not set
# CONFIG_INPUT_MOUSE is not set
# CONFIG_INPUT_JOYSTICK is not set
# CONFIG_INPUT_TABLET is not set
# CONFIG_INPUT_TOUCHSCREEN is not set
# CONFIG_INPUT_MISC is not set

#
# Hardware I/O ports
#
# CONFIG_SERIO is not set
# CONFIG_GAMEPORT is not set

#
# Character devices
#
CONFIG_VT=y
# CONFIG_CONSOLE_TRANSLATIONS is not set
# CONFIG_VT_CONSOLE is not set
CONFIG_HW_CONSOLE=y
# CONFIG_VT_HW_CONSOLE_BINDING is not set
# CONFIG_DEVKMEM is not set
# CONFIG_SERIAL_NONSTANDARD is not set

#
# Serial drivers
#
# CONFIG_SERIAL_8250 is not set
CONFIG_FIX_EARLYCON_MEM=y

#
# Non-8250 serial port support
#
# CONFIG_UNIX98_PTYS is not set
# CONFIG_LEGACY_PTYS is not set
# CONFIG_IPMI_HANDLER is not set
# CONFIG_HW_RANDOM is not set
# CONFIG_NVRAM is not set
# CONFIG_RTC is not set
# CONFIG_GEN_RTC is not set
# CONFIG_R3964 is not set
# CONFIG_MWAVE is not set
# CONFIG_PC8736x_GPIO is not set
# CONFIG_HANGCHECK_TIMER is not set
# CONFIG_TCG_TPM is not set
# CONFIG_TELCLOCK is not set
# CONFIG_I2C is not set
# CONFIG_SPI is not set
CONFIG_ARCH_WANT_OPTIONAL_GPIOLIB=y
# CONFIG_GPIOLIB is not set
# CONFIG_W1 is not set
# CONFIG_POWER_SUPPLY is not set
# CONFIG_HWMON is not set
# CONFIG_THERMAL is not set
CONFIG_THERMAL_HWMON=y
# CONFIG_WATCHDOG is not set
CONFIG_SSB_POSSIBLE=y

#
# Sonics Silicon Backplane
#
# CONFIG_SSB is not set

#
# Multifunction device drivers
#
# CONFIG_MFD_CORE is not set
# CONFIG_MFD_SM501 is not set
# CONFIG_HTC_PASIC3 is not set
# CONFIG_MFD_TMIO is not set
# CONFIG_REGULATOR is not set

#
# Multimedia devices
#

#
# Multimedia core support
#
# CONFIG_VIDEO_DEV is not set
# CONFIG_DVB_CORE is not set
# CONFIG_VIDEO_MEDIA is not set

#
# Multimedia drivers
#
# CONFIG_DAB is not set

#
# Graphics support
#
# CONFIG_VGASTATE is not set
# CONFIG_VIDEO_OUTPUT_CONTROL is not set
# CONFIG_FB is not set
# CONFIG_BACKLIGHT_LCD_SUPPORT is not set

#
# Display device support
#
# CONFIG_DISPLAY_SUPPORT is not set

#
# Console display driver support
#
CONFIG_VGA_CONSOLE=y
# CONFIG_VGACON_SOFT_SCROLLBACK is not set
CONFIG_DUMMY_CONSOLE=y
# CONFIG_SOUND is not set
# CONFIG_HID_SUPPORT is not set
# CONFIG_USB_SUPPORT is not set
# CONFIG_MMC is not set
# CONFIG_MEMSTICK is not set
# CONFIG_NEW_LEDS is not set
# CONFIG_ACCESSIBILITY is not set
# CONFIG_EDAC is not set
# CONFIG_RTC_CLASS is not set
# CONFIG_DMADEVICES is not set
# CONFIG_UIO is not set
CONFIG_STAGING_EXCLUDE_BUILD=y
# CONFIG_X86_PLATFORM_DEVICES is not set

#
# Firmware Drivers
#
# CONFIG_EDD is not set
# CONFIG_FIRMWARE_MEMMAP is not set
# CONFIG_DELL_RBU is not set
# CONFIG_DCDBAS is not set
# CONFIG_ISCSI_IBFT_FIND is not set

#
# File systems
#
# CONFIG_DNOTIFY is not set
# CONFIG_INOTIFY is not set
# CONFIG_QUOTA is not set
# CONFIG_AUTOFS_FS is not set
# CONFIG_AUTOFS4_FS is not set
# CONFIG_FUSE_FS is not set

#
# Pseudo filesystems
#
# CONFIG_PROC_FS is not set
# CONFIG_SYSFS is not set
# CONFIG_TMPFS is not set
# CONFIG_HUGETLBFS is not set
# CONFIG_HUGETLB_PAGE is not set

#
# Miscellaneous filesystems
#
# CONFIG_NETWORK_FILESYSTEMS is not set
# CONFIG_NLS is not set

#
# Kernel hacking
#
CONFIG_TRACE_IRQFLAGS_SUPPORT=y
# CONFIG_ENABLE_WARN_DEPRECATED is not set
# CONFIG_ENABLE_MUST_CHECK is not set
CONFIG_FRAME_WARN=2048
# CONFIG_MAGIC_SYSRQ is not set
# CONFIG_UNUSED_SYMBOLS is not set
CONFIG_DEBUG_FS=y
# CONFIG_HEADERS_CHECK is not set
CONFIG_DEBUG_SECTION_MISMATCH=y
CONFIG_DEBUG_KERNEL=y
# CONFIG_DEBUG_SHIRQ is not set
# CONFIG_DETECT_SOFTLOCKUP is not set
# CONFIG_DEBUG_OBJECTS is not set
# CONFIG_DEBUG_SPINLOCK is not set
# CONFIG_DEBUG_MUTEXES is not set
# CONFIG_DEBUG_LOCK_ALLOC is not set
# CONFIG_PROVE_LOCKING is not set
# CONFIG_LOCK_STAT is not set
CONFIG_TRACE_IRQFLAGS=y
# CONFIG_DEBUG_SPINLOCK_SLEEP is not set
# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
CONFIG_STACKTRACE=y
# CONFIG_DEBUG_KOBJECT is not set
# CONFIG_DEBUG_VM is not set
# CONFIG_DEBUG_VIRTUAL is not set
# CONFIG_DEBUG_WRITECOUNT is not set
# CONFIG_DEBUG_MEMORY_INIT is not set
# CONFIG_DEBUG_LIST is not set
# CONFIG_DEBUG_SG is not set
# CONFIG_DEBUG_NOTIFIERS is not set
CONFIG_FRAME_POINTER=y
# CONFIG_RCU_TORTURE_TEST is not set
# CONFIG_RCU_CPU_STALL_DETECTOR is not set
# CONFIG_BACKTRACE_SELF_TEST is not set
# CONFIG_FAULT_INJECTION is not set
# CONFIG_LATENCYTOP is not set
CONFIG_USER_STACKTRACE_SUPPORT=y
CONFIG_NOP_TRACER=y
CONFIG_HAVE_FUNCTION_TRACER=y
CONFIG_HAVE_FUNCTION_TRACE_MCOUNT_TEST=y
CONFIG_HAVE_DYNAMIC_FTRACE=y
CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y
CONFIG_TRACER_MAX_TRACE=y
CONFIG_RING_BUFFER=y
CONFIG_TRACING=y

#
# Tracers
#
CONFIG_FUNCTION_TRACER=y
CONFIG_IRQSOFF_TRACER=y
CONFIG_SYSPROF_TRACER=y
# CONFIG_SCHED_TRACER is not set
CONFIG_CONTEXT_SWITCH_TRACER=y
CONFIG_BOOT_TRACER=y
CONFIG_TRACE_BRANCH_PROFILING=y
# CONFIG_PROFILE_ALL_BRANCHES is not set
# CONFIG_BRANCH_TRACER is not set
CONFIG_STACK_TRACER=y
CONFIG_DYNAMIC_FTRACE=y
CONFIG_FTRACE_MCOUNT_RECORD=y
CONFIG_KMEMTRACE=y
# CONFIG_SAMPLES is not set
CONFIG_HAVE_ARCH_KGDB=y
# CONFIG_KGDB is not set
# CONFIG_STRICT_DEVMEM is not set
# CONFIG_X86_VERBOSE_BOOTUP is not set
# CONFIG_EARLY_PRINTK is not set
# CONFIG_DEBUG_STACKOVERFLOW is not set
# CONFIG_DEBUG_STACK_USAGE is not set
# CONFIG_DEBUG_PAGEALLOC is not set
# CONFIG_X86_PTDUMP is not set
# CONFIG_DEBUG_RODATA is not set
CONFIG_IO_DELAY_TYPE_0X80=0
CONFIG_IO_DELAY_TYPE_0XED=1
CONFIG_IO_DELAY_TYPE_UDELAY=2
CONFIG_IO_DELAY_TYPE_NONE=3
CONFIG_IO_DELAY_0X80=y
# CONFIG_IO_DELAY_0XED is not set
# CONFIG_IO_DELAY_UDELAY is not set
# CONFIG_IO_DELAY_NONE is not set
CONFIG_DEFAULT_IO_DELAY_TYPE=0
# CONFIG_DEBUG_BOOT_PARAMS is not set
# CONFIG_CPA_DEBUG is not set
CONFIG_OPTIMIZE_INLINING=y

#
# Security options
#
# CONFIG_KEYS is not set
# CONFIG_SECURITYFS is not set
# CONFIG_SECURITY_FILE_CAPABILITIES is not set
# CONFIG_CRYPTO is not set
CONFIG_HAVE_KVM=y
# CONFIG_VIRTUALIZATION is not set

#
# Library routines
#
CONFIG_GENERIC_FIND_FIRST_BIT=y
CONFIG_GENERIC_FIND_NEXT_BIT=y
# CONFIG_CRC_CCITT is not set
# CONFIG_CRC16 is not set
# CONFIG_CRC_T10DIF is not set
# CONFIG_CRC_ITU_T is not set
# CONFIG_CRC32 is not set
# CONFIG_CRC7 is not set
# CONFIG_LIBCRC32C is not set
CONFIG_HAS_IOMEM=y
CONFIG_HAS_IOPORT=y
CONFIG_HAS_DMA=y


Subject: Re: kmemtrace

On Fri, Dec 05, 2008 at 02:29:29PM +0300, Alexey Dobriyan wrote:
> 1. It doesn't link
>
> LD vmlinux
> kernel/built-in.o: In function `add_del_listener':
> taskstats.c:(.text+0x1f869): undefined reference to `.L180'
>
> It is still unclear exactly why. Common pattern is something like:

Hi,

Sorry for the delay, I've been a bit too busy.

This works for me with the config you supplied. I can only conclude
there is a problem with GCC 3.4, as I'm using version 4.1.2. I'm cc-ing
Mathieu, since I suspect markers code somehow behaves badly with older
GCCs.

> 2. markers format strings. Printing pointers as %lu(!).

That's no problem, it's a de facto assumption that sizeof(unsigned long)
== sizeof(void *) in GCC. In fact, there's a lot of kernel code that
makes this assumption.

> #
> # Automatically generated make config: don't edit
> # Linux kernel version: 2.6.28-rc7
> # Fri Dec 5 14:10:53 2008
> #
> CONFIG_64BIT=y
> # CONFIG_X86_32 is not set
> CONFIG_X86_64=y
> CONFIG_X86=y
> CONFIG_ARCH_DEFCONFIG="arch/x86/configs/x86_64_defconfig"
> CONFIG_GENERIC_TIME=y
> CONFIG_GENERIC_CMOS_UPDATE=y
> CONFIG_CLOCKSOURCE_WATCHDOG=y
> CONFIG_GENERIC_CLOCKEVENTS=y
> CONFIG_GENERIC_CLOCKEVENTS_BROADCAST=y
> CONFIG_LOCKDEP_SUPPORT=y
> CONFIG_STACKTRACE_SUPPORT=y
> CONFIG_HAVE_LATENCYTOP_SUPPORT=y
> CONFIG_FAST_CMPXCHG_LOCAL=y
> CONFIG_MMU=y
> CONFIG_ZONE_DMA=y
> CONFIG_GENERIC_ISA_DMA=y
> CONFIG_GENERIC_IOMAP=y
> CONFIG_GENERIC_HWEIGHT=y
> CONFIG_ARCH_MAY_HAVE_PC_FDC=y
> CONFIG_RWSEM_GENERIC_SPINLOCK=y
> # CONFIG_RWSEM_XCHGADD_ALGORITHM is not set
> CONFIG_ARCH_HAS_CPU_IDLE_WAIT=y
> CONFIG_GENERIC_CALIBRATE_DELAY=y
> CONFIG_GENERIC_TIME_VSYSCALL=y
> CONFIG_ARCH_HAS_CPU_RELAX=y
> CONFIG_ARCH_HAS_DEFAULT_IDLE=y
> CONFIG_ARCH_HAS_CACHE_LINE_SIZE=y
> # CONFIG_HAVE_SETUP_PER_CPU_AREA is not set
> # CONFIG_HAVE_CPUMASK_OF_CPU_MAP is not set
> CONFIG_ARCH_HIBERNATION_POSSIBLE=y
> CONFIG_ARCH_SUSPEND_POSSIBLE=y
> CONFIG_ZONE_DMA32=y
> CONFIG_ARCH_POPULATES_NODE_MAP=y
> CONFIG_AUDIT_ARCH=y
> CONFIG_ARCH_SUPPORTS_OPTIMIZED_INLINING=y
> CONFIG_GENERIC_HARDIRQS=y
> CONFIG_GENERIC_IRQ_PROBE=y
> CONFIG_X86_BIOS_REBOOT=y
> # CONFIG_KTIME_SCALAR is not set
> CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
>
> #
> # General setup
> #
> CONFIG_EXPERIMENTAL=y
> CONFIG_BROKEN_ON_SMP=y
> CONFIG_INIT_ENV_ARG_LIMIT=32
> CONFIG_LOCALVERSION=""
> # CONFIG_SYSVIPC is not set
> # CONFIG_POSIX_MQUEUE is not set
> # CONFIG_BSD_PROCESS_ACCT is not set
> CONFIG_TASKSTATS=y
> # CONFIG_TASK_DELAY_ACCT is not set
> CONFIG_TASK_XACCT=y
> # CONFIG_TASK_IO_ACCOUNTING is not set
> # CONFIG_AUDIT is not set
> # CONFIG_IKCONFIG is not set
> CONFIG_LOG_BUF_SHIFT=17
> # CONFIG_CGROUPS is not set
> CONFIG_HAVE_UNSTABLE_SCHED_CLOCK=y
> # CONFIG_GROUP_SCHED is not set
> CONFIG_RELAY=y
> # CONFIG_NAMESPACES is not set
> # CONFIG_BLK_DEV_INITRD is not set
> CONFIG_CC_OPTIMIZE_FOR_SIZE=y
> CONFIG_EMBEDDED=y
> # CONFIG_SYSCTL_SYSCALL is not set
> # CONFIG_KALLSYMS is not set
> # CONFIG_HOTPLUG is not set
> # CONFIG_PRINTK is not set
> # CONFIG_BUG is not set
> # CONFIG_ELF_CORE is not set
> # CONFIG_PCSPKR_PLATFORM is not set
> # CONFIG_COMPAT_BRK is not set
> CONFIG_BASE_FULL=y
> # CONFIG_FUTEX is not set
> # CONFIG_EPOLL is not set
> # CONFIG_SIGNALFD is not set
> # CONFIG_TIMERFD is not set
> # CONFIG_EVENTFD is not set
> CONFIG_SHMEM=y
> # CONFIG_AIO is not set
> # CONFIG_VM_EVENT_COUNTERS is not set
> # CONFIG_SLAB is not set
> CONFIG_SLUB=y
> # CONFIG_SLOB is not set
> # CONFIG_PROFILING is not set
> CONFIG_TRACEPOINTS=y
> CONFIG_MARKERS=y
> CONFIG_HAVE_OPROFILE=y
> CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS=y
> CONFIG_HAVE_IOREMAP_PROT=y
> CONFIG_HAVE_KPROBES=y
> CONFIG_HAVE_KRETPROBES=y
> CONFIG_HAVE_ARCH_TRACEHOOK=y
> # CONFIG_HAVE_GENERIC_DMA_COHERENT is not set
> # CONFIG_TINY_SHMEM is not set
> CONFIG_BASE_SMALL=0
> # CONFIG_MODULES is not set
> # CONFIG_BLOCK is not set
> CONFIG_CLASSIC_RCU=y
> # CONFIG_FREEZER is not set
>
> #
> # Processor type and features
> #
> # CONFIG_NO_HZ is not set
> # CONFIG_HIGH_RES_TIMERS is not set
> CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
> # CONFIG_SMP is not set
> CONFIG_X86_FIND_SMP_CONFIG=y
> CONFIG_X86_MPPARSE=y
> CONFIG_X86_PC=y
> # CONFIG_X86_ELAN is not set
> # CONFIG_X86_VOYAGER is not set
> # CONFIG_X86_GENERICARCH is not set
> # CONFIG_X86_VSMP is not set
> # CONFIG_SCHED_OMIT_FRAME_POINTER is not set
> # CONFIG_PARAVIRT_GUEST is not set
> # CONFIG_MEMTEST is not set
> # CONFIG_M386 is not set
> # CONFIG_M486 is not set
> # CONFIG_M586 is not set
> # CONFIG_M586TSC is not set
> # CONFIG_M586MMX is not set
> # CONFIG_M686 is not set
> # CONFIG_MPENTIUMII is not set
> # CONFIG_MPENTIUMIII is not set
> # CONFIG_MPENTIUMM is not set
> # CONFIG_MPENTIUM4 is not set
> # CONFIG_MK6 is not set
> # CONFIG_MK7 is not set
> # CONFIG_MK8 is not set
> # CONFIG_MCRUSOE is not set
> # CONFIG_MEFFICEON is not set
> # CONFIG_MWINCHIPC6 is not set
> # CONFIG_MWINCHIP3D is not set
> # CONFIG_MGEODEGX1 is not set
> # CONFIG_MGEODE_LX is not set
> # CONFIG_MCYRIXIII is not set
> # CONFIG_MVIAC3_2 is not set
> # CONFIG_MVIAC7 is not set
> # CONFIG_MPSC is not set
> # CONFIG_MCORE2 is not set
> CONFIG_GENERIC_CPU=y
> CONFIG_X86_CPU=y
> CONFIG_X86_L1_CACHE_BYTES=128
> CONFIG_X86_INTERNODE_CACHE_BYTES=128
> CONFIG_X86_CMPXCHG=y
> CONFIG_X86_L1_CACHE_SHIFT=7
> CONFIG_X86_WP_WORKS_OK=y
> CONFIG_X86_TSC=y
> CONFIG_X86_CMPXCHG64=y
> CONFIG_X86_CMOV=y
> CONFIG_X86_MINIMUM_CPU_FAMILY=64
> CONFIG_X86_DEBUGCTLMSR=y
> # CONFIG_PROCESSOR_SELECT is not set
> CONFIG_CPU_SUP_INTEL=y
> CONFIG_CPU_SUP_AMD=y
> CONFIG_CPU_SUP_CENTAUR_64=y
> # CONFIG_X86_DS is not set
> # CONFIG_X86_PTRACE_BTS is not set
> CONFIG_HPET_TIMER=y
> # CONFIG_DMI is not set
> CONFIG_SWIOTLB=y
> CONFIG_IOMMU_HELPER=y
> CONFIG_PREEMPT_NONE=y
> # CONFIG_PREEMPT_VOLUNTARY is not set
> # CONFIG_PREEMPT is not set
> CONFIG_X86_LOCAL_APIC=y
> CONFIG_X86_IO_APIC=y
> # CONFIG_X86_REROUTE_FOR_BROKEN_BOOT_IRQS is not set
> # CONFIG_X86_MCE is not set
> # CONFIG_I8K is not set
> # CONFIG_MICROCODE is not set
> # CONFIG_X86_MSR is not set
> # CONFIG_X86_CPUID is not set
> CONFIG_ARCH_PHYS_ADDR_T_64BIT=y
> # CONFIG_DIRECT_GBPAGES is not set
> CONFIG_ARCH_SPARSEMEM_DEFAULT=y
> CONFIG_ARCH_SPARSEMEM_ENABLE=y
> CONFIG_ARCH_SELECT_MEMORY_MODEL=y
> CONFIG_ILLEGAL_POINTER_VALUE=0xdead000000000000
> CONFIG_SELECT_MEMORY_MODEL=y
> # CONFIG_FLATMEM_MANUAL is not set
> # CONFIG_DISCONTIGMEM_MANUAL is not set
> CONFIG_SPARSEMEM_MANUAL=y
> CONFIG_SPARSEMEM=y
> CONFIG_HAVE_MEMORY_PRESENT=y
> CONFIG_SPARSEMEM_EXTREME=y
> CONFIG_SPARSEMEM_VMEMMAP_ENABLE=y
> # CONFIG_SPARSEMEM_VMEMMAP is not set
> CONFIG_PAGEFLAGS_EXTENDED=y
> CONFIG_SPLIT_PTLOCK_CPUS=4
> CONFIG_RESOURCES_64BIT=y
> CONFIG_PHYS_ADDR_T_64BIT=y
> CONFIG_ZONE_DMA_FLAG=1
> CONFIG_VIRT_TO_BUS=y
> # CONFIG_UNEVICTABLE_LRU is not set
> # CONFIG_X86_CHECK_BIOS_CORRUPTION is not set
> # CONFIG_X86_RESERVE_LOW_64K is not set
> # CONFIG_MTRR is not set
> # CONFIG_SECCOMP is not set
> # CONFIG_CC_STACKPROTECTOR is not set
> # CONFIG_HZ_100 is not set
> CONFIG_HZ_250=y
> # CONFIG_HZ_300 is not set
> # CONFIG_HZ_1000 is not set
> CONFIG_HZ=250
> # CONFIG_SCHED_HRTICK is not set
> # CONFIG_KEXEC is not set
> # CONFIG_CRASH_DUMP is not set
> CONFIG_PHYSICAL_START=0x200000
> # CONFIG_RELOCATABLE is not set
> CONFIG_PHYSICAL_ALIGN=0x200000
> # CONFIG_CMDLINE_BOOL is not set
> CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG=y
>
> #
> # Power management and ACPI options
> #
> # CONFIG_PM is not set
>
> #
> # CPU Frequency scaling
> #
> # CONFIG_CPU_FREQ is not set
> # CONFIG_CPU_IDLE is not set
>
> #
> # Memory power savings
> #
> # CONFIG_I7300_IDLE is not set
>
> #
> # Bus options (PCI etc.)
> #
> # CONFIG_PCI is not set
> # CONFIG_ARCH_SUPPORTS_MSI is not set
> CONFIG_ISA_DMA_API=y
>
> #
> # Executable file formats / Emulations
> #
> # CONFIG_BINFMT_ELF is not set
> # CONFIG_HAVE_AOUT is not set
> # CONFIG_BINFMT_MISC is not set
> # CONFIG_IA32_EMULATION is not set
> # CONFIG_COMPAT_FOR_U64_ALIGNMENT is not set
> CONFIG_NET=y
>
> #
> # Networking options
> #
> CONFIG_COMPAT_NET_DEV_OPS=y
> # CONFIG_PACKET is not set
> # CONFIG_UNIX is not set
> # CONFIG_NET_KEY is not set
> CONFIG_INET=y
> # CONFIG_IP_MULTICAST is not set
> # CONFIG_IP_ADVANCED_ROUTER is not set
> CONFIG_IP_FIB_HASH=y
> # CONFIG_IP_PNP is not set
> # CONFIG_NET_IPIP is not set
> # CONFIG_NET_IPGRE is not set
> # CONFIG_ARPD is not set
> # CONFIG_SYN_COOKIES is not set
> # CONFIG_INET_AH is not set
> # CONFIG_INET_ESP is not set
> # CONFIG_INET_IPCOMP is not set
> # CONFIG_INET_XFRM_TUNNEL is not set
> # CONFIG_INET_TUNNEL is not set
> # CONFIG_INET_XFRM_MODE_TRANSPORT is not set
> # CONFIG_INET_XFRM_MODE_TUNNEL is not set
> # CONFIG_INET_XFRM_MODE_BEET is not set
> # CONFIG_INET_LRO is not set
> # CONFIG_INET_DIAG is not set
> # CONFIG_TCP_CONG_ADVANCED is not set
> CONFIG_TCP_CONG_CUBIC=y
> CONFIG_DEFAULT_TCP_CONG="cubic"
> # CONFIG_TCP_MD5SIG is not set
> # CONFIG_IPV6 is not set
> # CONFIG_NETWORK_SECMARK is not set
> # CONFIG_NETFILTER is not set
> # CONFIG_IP_DCCP is not set
> # CONFIG_IP_SCTP is not set
> # CONFIG_TIPC is not set
> # CONFIG_ATM is not set
> # CONFIG_BRIDGE is not set
> # CONFIG_NET_DSA is not set
> # CONFIG_VLAN_8021Q is not set
> # CONFIG_DECNET is not set
> # CONFIG_LLC2 is not set
> # CONFIG_IPX is not set
> # CONFIG_ATALK is not set
> # CONFIG_X25 is not set
> # CONFIG_LAPB is not set
> # CONFIG_ECONET is not set
> # CONFIG_WAN_ROUTER is not set
> # CONFIG_NET_SCHED is not set
> # CONFIG_DCB is not set
>
> #
> # Network testing
> #
> # CONFIG_HAMRADIO is not set
> # CONFIG_CAN is not set
> # CONFIG_IRDA is not set
> # CONFIG_BT is not set
> # CONFIG_AF_RXRPC is not set
> # CONFIG_PHONET is not set
> # CONFIG_WIRELESS is not set
> # CONFIG_RFKILL is not set
> # CONFIG_NET_9P is not set
>
> #
> # Device Drivers
> #
>
> #
> # Generic Driver Options
> #
> CONFIG_STANDALONE=y
> # CONFIG_PREVENT_FIRMWARE_BUILD is not set
> # CONFIG_DEBUG_DRIVER is not set
> # CONFIG_DEBUG_DEVRES is not set
> # CONFIG_SYS_HYPERVISOR is not set
> # CONFIG_CONNECTOR is not set
> # CONFIG_MTD is not set
> # CONFIG_PARPORT is not set
> # CONFIG_MISC_DEVICES is not set
> CONFIG_HAVE_IDE=y
>
> #
> # SCSI device support
> #
> # CONFIG_SCSI_DMA is not set
> # CONFIG_SCSI_NETLINK is not set
> # CONFIG_MACINTOSH_DRIVERS is not set
> # CONFIG_NETDEVICES is not set
> # CONFIG_ISDN is not set
> # CONFIG_PHONE is not set
>
> #
> # Input device support
> #
> CONFIG_INPUT=y
> # CONFIG_INPUT_FF_MEMLESS is not set
> # CONFIG_INPUT_POLLDEV is not set
>
> #
> # Userland interfaces
> #
> # CONFIG_INPUT_MOUSEDEV is not set
> # CONFIG_INPUT_JOYDEV is not set
> # CONFIG_INPUT_EVDEV is not set
> # CONFIG_INPUT_EVBUG is not set
>
> #
> # Input Device Drivers
> #
> # CONFIG_INPUT_KEYBOARD is not set
> # CONFIG_INPUT_MOUSE is not set
> # CONFIG_INPUT_JOYSTICK is not set
> # CONFIG_INPUT_TABLET is not set
> # CONFIG_INPUT_TOUCHSCREEN is not set
> # CONFIG_INPUT_MISC is not set
>
> #
> # Hardware I/O ports
> #
> # CONFIG_SERIO is not set
> # CONFIG_GAMEPORT is not set
>
> #
> # Character devices
> #
> CONFIG_VT=y
> # CONFIG_CONSOLE_TRANSLATIONS is not set
> # CONFIG_VT_CONSOLE is not set
> CONFIG_HW_CONSOLE=y
> # CONFIG_VT_HW_CONSOLE_BINDING is not set
> # CONFIG_DEVKMEM is not set
> # CONFIG_SERIAL_NONSTANDARD is not set
>
> #
> # Serial drivers
> #
> # CONFIG_SERIAL_8250 is not set
> CONFIG_FIX_EARLYCON_MEM=y
>
> #
> # Non-8250 serial port support
> #
> # CONFIG_UNIX98_PTYS is not set
> # CONFIG_LEGACY_PTYS is not set
> # CONFIG_IPMI_HANDLER is not set
> # CONFIG_HW_RANDOM is not set
> # CONFIG_NVRAM is not set
> # CONFIG_RTC is not set
> # CONFIG_GEN_RTC is not set
> # CONFIG_R3964 is not set
> # CONFIG_MWAVE is not set
> # CONFIG_PC8736x_GPIO is not set
> # CONFIG_HANGCHECK_TIMER is not set
> # CONFIG_TCG_TPM is not set
> # CONFIG_TELCLOCK is not set
> # CONFIG_I2C is not set
> # CONFIG_SPI is not set
> CONFIG_ARCH_WANT_OPTIONAL_GPIOLIB=y
> # CONFIG_GPIOLIB is not set
> # CONFIG_W1 is not set
> # CONFIG_POWER_SUPPLY is not set
> # CONFIG_HWMON is not set
> # CONFIG_THERMAL is not set
> CONFIG_THERMAL_HWMON=y
> # CONFIG_WATCHDOG is not set
> CONFIG_SSB_POSSIBLE=y
>
> #
> # Sonics Silicon Backplane
> #
> # CONFIG_SSB is not set
>
> #
> # Multifunction device drivers
> #
> # CONFIG_MFD_CORE is not set
> # CONFIG_MFD_SM501 is not set
> # CONFIG_HTC_PASIC3 is not set
> # CONFIG_MFD_TMIO is not set
> # CONFIG_REGULATOR is not set
>
> #
> # Multimedia devices
> #
>
> #
> # Multimedia core support
> #
> # CONFIG_VIDEO_DEV is not set
> # CONFIG_DVB_CORE is not set
> # CONFIG_VIDEO_MEDIA is not set
>
> #
> # Multimedia drivers
> #
> # CONFIG_DAB is not set
>
> #
> # Graphics support
> #
> # CONFIG_VGASTATE is not set
> # CONFIG_VIDEO_OUTPUT_CONTROL is not set
> # CONFIG_FB is not set
> # CONFIG_BACKLIGHT_LCD_SUPPORT is not set
>
> #
> # Display device support
> #
> # CONFIG_DISPLAY_SUPPORT is not set
>
> #
> # Console display driver support
> #
> CONFIG_VGA_CONSOLE=y
> # CONFIG_VGACON_SOFT_SCROLLBACK is not set
> CONFIG_DUMMY_CONSOLE=y
> # CONFIG_SOUND is not set
> # CONFIG_HID_SUPPORT is not set
> # CONFIG_USB_SUPPORT is not set
> # CONFIG_MMC is not set
> # CONFIG_MEMSTICK is not set
> # CONFIG_NEW_LEDS is not set
> # CONFIG_ACCESSIBILITY is not set
> # CONFIG_EDAC is not set
> # CONFIG_RTC_CLASS is not set
> # CONFIG_DMADEVICES is not set
> # CONFIG_UIO is not set
> CONFIG_STAGING_EXCLUDE_BUILD=y
> # CONFIG_X86_PLATFORM_DEVICES is not set
>
> #
> # Firmware Drivers
> #
> # CONFIG_EDD is not set
> # CONFIG_FIRMWARE_MEMMAP is not set
> # CONFIG_DELL_RBU is not set
> # CONFIG_DCDBAS is not set
> # CONFIG_ISCSI_IBFT_FIND is not set
>
> #
> # File systems
> #
> # CONFIG_DNOTIFY is not set
> # CONFIG_INOTIFY is not set
> # CONFIG_QUOTA is not set
> # CONFIG_AUTOFS_FS is not set
> # CONFIG_AUTOFS4_FS is not set
> # CONFIG_FUSE_FS is not set
>
> #
> # Pseudo filesystems
> #
> # CONFIG_PROC_FS is not set
> # CONFIG_SYSFS is not set
> # CONFIG_TMPFS is not set
> # CONFIG_HUGETLBFS is not set
> # CONFIG_HUGETLB_PAGE is not set
>
> #
> # Miscellaneous filesystems
> #
> # CONFIG_NETWORK_FILESYSTEMS is not set
> # CONFIG_NLS is not set
>
> #
> # Kernel hacking
> #
> CONFIG_TRACE_IRQFLAGS_SUPPORT=y
> # CONFIG_ENABLE_WARN_DEPRECATED is not set
> # CONFIG_ENABLE_MUST_CHECK is not set
> CONFIG_FRAME_WARN=2048
> # CONFIG_MAGIC_SYSRQ is not set
> # CONFIG_UNUSED_SYMBOLS is not set
> CONFIG_DEBUG_FS=y
> # CONFIG_HEADERS_CHECK is not set
> CONFIG_DEBUG_SECTION_MISMATCH=y
> CONFIG_DEBUG_KERNEL=y
> # CONFIG_DEBUG_SHIRQ is not set
> # CONFIG_DETECT_SOFTLOCKUP is not set
> # CONFIG_DEBUG_OBJECTS is not set
> # CONFIG_DEBUG_SPINLOCK is not set
> # CONFIG_DEBUG_MUTEXES is not set
> # CONFIG_DEBUG_LOCK_ALLOC is not set
> # CONFIG_PROVE_LOCKING is not set
> # CONFIG_LOCK_STAT is not set
> CONFIG_TRACE_IRQFLAGS=y
> # CONFIG_DEBUG_SPINLOCK_SLEEP is not set
> # CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
> CONFIG_STACKTRACE=y
> # CONFIG_DEBUG_KOBJECT is not set
> # CONFIG_DEBUG_VM is not set
> # CONFIG_DEBUG_VIRTUAL is not set
> # CONFIG_DEBUG_WRITECOUNT is not set
> # CONFIG_DEBUG_MEMORY_INIT is not set
> # CONFIG_DEBUG_LIST is not set
> # CONFIG_DEBUG_SG is not set
> # CONFIG_DEBUG_NOTIFIERS is not set
> CONFIG_FRAME_POINTER=y
> # CONFIG_RCU_TORTURE_TEST is not set
> # CONFIG_RCU_CPU_STALL_DETECTOR is not set
> # CONFIG_BACKTRACE_SELF_TEST is not set
> # CONFIG_FAULT_INJECTION is not set
> # CONFIG_LATENCYTOP is not set
> CONFIG_USER_STACKTRACE_SUPPORT=y
> CONFIG_NOP_TRACER=y
> CONFIG_HAVE_FUNCTION_TRACER=y
> CONFIG_HAVE_FUNCTION_TRACE_MCOUNT_TEST=y
> CONFIG_HAVE_DYNAMIC_FTRACE=y
> CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y
> CONFIG_TRACER_MAX_TRACE=y
> CONFIG_RING_BUFFER=y
> CONFIG_TRACING=y
>
> #
> # Tracers
> #
> CONFIG_FUNCTION_TRACER=y
> CONFIG_IRQSOFF_TRACER=y
> CONFIG_SYSPROF_TRACER=y
> # CONFIG_SCHED_TRACER is not set
> CONFIG_CONTEXT_SWITCH_TRACER=y
> CONFIG_BOOT_TRACER=y
> CONFIG_TRACE_BRANCH_PROFILING=y
> # CONFIG_PROFILE_ALL_BRANCHES is not set
> # CONFIG_BRANCH_TRACER is not set
> CONFIG_STACK_TRACER=y
> CONFIG_DYNAMIC_FTRACE=y
> CONFIG_FTRACE_MCOUNT_RECORD=y
> CONFIG_KMEMTRACE=y
> # CONFIG_SAMPLES is not set
> CONFIG_HAVE_ARCH_KGDB=y
> # CONFIG_KGDB is not set
> # CONFIG_STRICT_DEVMEM is not set
> # CONFIG_X86_VERBOSE_BOOTUP is not set
> # CONFIG_EARLY_PRINTK is not set
> # CONFIG_DEBUG_STACKOVERFLOW is not set
> # CONFIG_DEBUG_STACK_USAGE is not set
> # CONFIG_DEBUG_PAGEALLOC is not set
> # CONFIG_X86_PTDUMP is not set
> # CONFIG_DEBUG_RODATA is not set
> CONFIG_IO_DELAY_TYPE_0X80=0
> CONFIG_IO_DELAY_TYPE_0XED=1
> CONFIG_IO_DELAY_TYPE_UDELAY=2
> CONFIG_IO_DELAY_TYPE_NONE=3
> CONFIG_IO_DELAY_0X80=y
> # CONFIG_IO_DELAY_0XED is not set
> # CONFIG_IO_DELAY_UDELAY is not set
> # CONFIG_IO_DELAY_NONE is not set
> CONFIG_DEFAULT_IO_DELAY_TYPE=0
> # CONFIG_DEBUG_BOOT_PARAMS is not set
> # CONFIG_CPA_DEBUG is not set
> CONFIG_OPTIMIZE_INLINING=y
>
> #
> # Security options
> #
> # CONFIG_KEYS is not set
> # CONFIG_SECURITYFS is not set
> # CONFIG_SECURITY_FILE_CAPABILITIES is not set
> # CONFIG_CRYPTO is not set
> CONFIG_HAVE_KVM=y
> # CONFIG_VIRTUALIZATION is not set
>
> #
> # Library routines
> #
> CONFIG_GENERIC_FIND_FIRST_BIT=y
> CONFIG_GENERIC_FIND_NEXT_BIT=y
> # CONFIG_CRC_CCITT is not set
> # CONFIG_CRC16 is not set
> # CONFIG_CRC_T10DIF is not set
> # CONFIG_CRC_ITU_T is not set
> # CONFIG_CRC32 is not set
> # CONFIG_CRC7 is not set
> # CONFIG_LIBCRC32C is not set
> CONFIG_HAS_IOMEM=y
> CONFIG_HAS_IOPORT=y
> CONFIG_HAS_DMA=y

2008-12-14 18:40:57

by Mathieu Desnoyers

[permalink] [raw]
Subject: Re: kmemtrace

* Eduard - Gabriel Munteanu ([email protected]) wrote:
> On Fri, Dec 05, 2008 at 02:29:29PM +0300, Alexey Dobriyan wrote:
> > 1. It doesn't link
> >
> > LD vmlinux
> > kernel/built-in.o: In function `add_del_listener':
> > taskstats.c:(.text+0x1f869): undefined reference to `.L180'
> >
> > It is still unclear exactly why. Common pattern is something like:
>
> Hi,
>
> Sorry for the delay, I've been a bit too busy.
>
> This works for me with the config you supplied. I can only conclude
> there is a problem with GCC 3.4, as I'm using version 4.1.2. I'm cc-ing
> Mathieu, since I suspect markers code somehow behaves badly with older
> GCCs.
>

Have you switched to tracepoints rather than markers for kmemtrace ?

Mathieu

> > 2. markers format strings. Printing pointers as %lu(!).
>
> That's no problem, it's a de facto assumption that sizeof(unsigned long)
> == sizeof(void *) in GCC. In fact, there's a lot of kernel code that
> makes this assumption.
>
> > #
> > # Automatically generated make config: don't edit
> > # Linux kernel version: 2.6.28-rc7
> > # Fri Dec 5 14:10:53 2008
> > #
> > CONFIG_64BIT=y
> > # CONFIG_X86_32 is not set
> > CONFIG_X86_64=y
> > CONFIG_X86=y
> > CONFIG_ARCH_DEFCONFIG="arch/x86/configs/x86_64_defconfig"
> > CONFIG_GENERIC_TIME=y
> > CONFIG_GENERIC_CMOS_UPDATE=y
> > CONFIG_CLOCKSOURCE_WATCHDOG=y
> > CONFIG_GENERIC_CLOCKEVENTS=y
> > CONFIG_GENERIC_CLOCKEVENTS_BROADCAST=y
> > CONFIG_LOCKDEP_SUPPORT=y
> > CONFIG_STACKTRACE_SUPPORT=y
> > CONFIG_HAVE_LATENCYTOP_SUPPORT=y
> > CONFIG_FAST_CMPXCHG_LOCAL=y
> > CONFIG_MMU=y
> > CONFIG_ZONE_DMA=y
> > CONFIG_GENERIC_ISA_DMA=y
> > CONFIG_GENERIC_IOMAP=y
> > CONFIG_GENERIC_HWEIGHT=y
> > CONFIG_ARCH_MAY_HAVE_PC_FDC=y
> > CONFIG_RWSEM_GENERIC_SPINLOCK=y
> > # CONFIG_RWSEM_XCHGADD_ALGORITHM is not set
> > CONFIG_ARCH_HAS_CPU_IDLE_WAIT=y
> > CONFIG_GENERIC_CALIBRATE_DELAY=y
> > CONFIG_GENERIC_TIME_VSYSCALL=y
> > CONFIG_ARCH_HAS_CPU_RELAX=y
> > CONFIG_ARCH_HAS_DEFAULT_IDLE=y
> > CONFIG_ARCH_HAS_CACHE_LINE_SIZE=y
> > # CONFIG_HAVE_SETUP_PER_CPU_AREA is not set
> > # CONFIG_HAVE_CPUMASK_OF_CPU_MAP is not set
> > CONFIG_ARCH_HIBERNATION_POSSIBLE=y
> > CONFIG_ARCH_SUSPEND_POSSIBLE=y
> > CONFIG_ZONE_DMA32=y
> > CONFIG_ARCH_POPULATES_NODE_MAP=y
> > CONFIG_AUDIT_ARCH=y
> > CONFIG_ARCH_SUPPORTS_OPTIMIZED_INLINING=y
> > CONFIG_GENERIC_HARDIRQS=y
> > CONFIG_GENERIC_IRQ_PROBE=y
> > CONFIG_X86_BIOS_REBOOT=y
> > # CONFIG_KTIME_SCALAR is not set
> > CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
> >
> > #
> > # General setup
> > #
> > CONFIG_EXPERIMENTAL=y
> > CONFIG_BROKEN_ON_SMP=y
> > CONFIG_INIT_ENV_ARG_LIMIT=32
> > CONFIG_LOCALVERSION=""
> > # CONFIG_SYSVIPC is not set
> > # CONFIG_POSIX_MQUEUE is not set
> > # CONFIG_BSD_PROCESS_ACCT is not set
> > CONFIG_TASKSTATS=y
> > # CONFIG_TASK_DELAY_ACCT is not set
> > CONFIG_TASK_XACCT=y
> > # CONFIG_TASK_IO_ACCOUNTING is not set
> > # CONFIG_AUDIT is not set
> > # CONFIG_IKCONFIG is not set
> > CONFIG_LOG_BUF_SHIFT=17
> > # CONFIG_CGROUPS is not set
> > CONFIG_HAVE_UNSTABLE_SCHED_CLOCK=y
> > # CONFIG_GROUP_SCHED is not set
> > CONFIG_RELAY=y
> > # CONFIG_NAMESPACES is not set
> > # CONFIG_BLK_DEV_INITRD is not set
> > CONFIG_CC_OPTIMIZE_FOR_SIZE=y
> > CONFIG_EMBEDDED=y
> > # CONFIG_SYSCTL_SYSCALL is not set
> > # CONFIG_KALLSYMS is not set
> > # CONFIG_HOTPLUG is not set
> > # CONFIG_PRINTK is not set
> > # CONFIG_BUG is not set
> > # CONFIG_ELF_CORE is not set
> > # CONFIG_PCSPKR_PLATFORM is not set
> > # CONFIG_COMPAT_BRK is not set
> > CONFIG_BASE_FULL=y
> > # CONFIG_FUTEX is not set
> > # CONFIG_EPOLL is not set
> > # CONFIG_SIGNALFD is not set
> > # CONFIG_TIMERFD is not set
> > # CONFIG_EVENTFD is not set
> > CONFIG_SHMEM=y
> > # CONFIG_AIO is not set
> > # CONFIG_VM_EVENT_COUNTERS is not set
> > # CONFIG_SLAB is not set
> > CONFIG_SLUB=y
> > # CONFIG_SLOB is not set
> > # CONFIG_PROFILING is not set
> > CONFIG_TRACEPOINTS=y
> > CONFIG_MARKERS=y
> > CONFIG_HAVE_OPROFILE=y
> > CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS=y
> > CONFIG_HAVE_IOREMAP_PROT=y
> > CONFIG_HAVE_KPROBES=y
> > CONFIG_HAVE_KRETPROBES=y
> > CONFIG_HAVE_ARCH_TRACEHOOK=y
> > # CONFIG_HAVE_GENERIC_DMA_COHERENT is not set
> > # CONFIG_TINY_SHMEM is not set
> > CONFIG_BASE_SMALL=0
> > # CONFIG_MODULES is not set
> > # CONFIG_BLOCK is not set
> > CONFIG_CLASSIC_RCU=y
> > # CONFIG_FREEZER is not set
> >
> > #
> > # Processor type and features
> > #
> > # CONFIG_NO_HZ is not set
> > # CONFIG_HIGH_RES_TIMERS is not set
> > CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
> > # CONFIG_SMP is not set
> > CONFIG_X86_FIND_SMP_CONFIG=y
> > CONFIG_X86_MPPARSE=y
> > CONFIG_X86_PC=y
> > # CONFIG_X86_ELAN is not set
> > # CONFIG_X86_VOYAGER is not set
> > # CONFIG_X86_GENERICARCH is not set
> > # CONFIG_X86_VSMP is not set
> > # CONFIG_SCHED_OMIT_FRAME_POINTER is not set
> > # CONFIG_PARAVIRT_GUEST is not set
> > # CONFIG_MEMTEST is not set
> > # CONFIG_M386 is not set
> > # CONFIG_M486 is not set
> > # CONFIG_M586 is not set
> > # CONFIG_M586TSC is not set
> > # CONFIG_M586MMX is not set
> > # CONFIG_M686 is not set
> > # CONFIG_MPENTIUMII is not set
> > # CONFIG_MPENTIUMIII is not set
> > # CONFIG_MPENTIUMM is not set
> > # CONFIG_MPENTIUM4 is not set
> > # CONFIG_MK6 is not set
> > # CONFIG_MK7 is not set
> > # CONFIG_MK8 is not set
> > # CONFIG_MCRUSOE is not set
> > # CONFIG_MEFFICEON is not set
> > # CONFIG_MWINCHIPC6 is not set
> > # CONFIG_MWINCHIP3D is not set
> > # CONFIG_MGEODEGX1 is not set
> > # CONFIG_MGEODE_LX is not set
> > # CONFIG_MCYRIXIII is not set
> > # CONFIG_MVIAC3_2 is not set
> > # CONFIG_MVIAC7 is not set
> > # CONFIG_MPSC is not set
> > # CONFIG_MCORE2 is not set
> > CONFIG_GENERIC_CPU=y
> > CONFIG_X86_CPU=y
> > CONFIG_X86_L1_CACHE_BYTES=128
> > CONFIG_X86_INTERNODE_CACHE_BYTES=128
> > CONFIG_X86_CMPXCHG=y
> > CONFIG_X86_L1_CACHE_SHIFT=7
> > CONFIG_X86_WP_WORKS_OK=y
> > CONFIG_X86_TSC=y
> > CONFIG_X86_CMPXCHG64=y
> > CONFIG_X86_CMOV=y
> > CONFIG_X86_MINIMUM_CPU_FAMILY=64
> > CONFIG_X86_DEBUGCTLMSR=y
> > # CONFIG_PROCESSOR_SELECT is not set
> > CONFIG_CPU_SUP_INTEL=y
> > CONFIG_CPU_SUP_AMD=y
> > CONFIG_CPU_SUP_CENTAUR_64=y
> > # CONFIG_X86_DS is not set
> > # CONFIG_X86_PTRACE_BTS is not set
> > CONFIG_HPET_TIMER=y
> > # CONFIG_DMI is not set
> > CONFIG_SWIOTLB=y
> > CONFIG_IOMMU_HELPER=y
> > CONFIG_PREEMPT_NONE=y
> > # CONFIG_PREEMPT_VOLUNTARY is not set
> > # CONFIG_PREEMPT is not set
> > CONFIG_X86_LOCAL_APIC=y
> > CONFIG_X86_IO_APIC=y
> > # CONFIG_X86_REROUTE_FOR_BROKEN_BOOT_IRQS is not set
> > # CONFIG_X86_MCE is not set
> > # CONFIG_I8K is not set
> > # CONFIG_MICROCODE is not set
> > # CONFIG_X86_MSR is not set
> > # CONFIG_X86_CPUID is not set
> > CONFIG_ARCH_PHYS_ADDR_T_64BIT=y
> > # CONFIG_DIRECT_GBPAGES is not set
> > CONFIG_ARCH_SPARSEMEM_DEFAULT=y
> > CONFIG_ARCH_SPARSEMEM_ENABLE=y
> > CONFIG_ARCH_SELECT_MEMORY_MODEL=y
> > CONFIG_ILLEGAL_POINTER_VALUE=0xdead000000000000
> > CONFIG_SELECT_MEMORY_MODEL=y
> > # CONFIG_FLATMEM_MANUAL is not set
> > # CONFIG_DISCONTIGMEM_MANUAL is not set
> > CONFIG_SPARSEMEM_MANUAL=y
> > CONFIG_SPARSEMEM=y
> > CONFIG_HAVE_MEMORY_PRESENT=y
> > CONFIG_SPARSEMEM_EXTREME=y
> > CONFIG_SPARSEMEM_VMEMMAP_ENABLE=y
> > # CONFIG_SPARSEMEM_VMEMMAP is not set
> > CONFIG_PAGEFLAGS_EXTENDED=y
> > CONFIG_SPLIT_PTLOCK_CPUS=4
> > CONFIG_RESOURCES_64BIT=y
> > CONFIG_PHYS_ADDR_T_64BIT=y
> > CONFIG_ZONE_DMA_FLAG=1
> > CONFIG_VIRT_TO_BUS=y
> > # CONFIG_UNEVICTABLE_LRU is not set
> > # CONFIG_X86_CHECK_BIOS_CORRUPTION is not set
> > # CONFIG_X86_RESERVE_LOW_64K is not set
> > # CONFIG_MTRR is not set
> > # CONFIG_SECCOMP is not set
> > # CONFIG_CC_STACKPROTECTOR is not set
> > # CONFIG_HZ_100 is not set
> > CONFIG_HZ_250=y
> > # CONFIG_HZ_300 is not set
> > # CONFIG_HZ_1000 is not set
> > CONFIG_HZ=250
> > # CONFIG_SCHED_HRTICK is not set
> > # CONFIG_KEXEC is not set
> > # CONFIG_CRASH_DUMP is not set
> > CONFIG_PHYSICAL_START=0x200000
> > # CONFIG_RELOCATABLE is not set
> > CONFIG_PHYSICAL_ALIGN=0x200000
> > # CONFIG_CMDLINE_BOOL is not set
> > CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG=y
> >
> > #
> > # Power management and ACPI options
> > #
> > # CONFIG_PM is not set
> >
> > #
> > # CPU Frequency scaling
> > #
> > # CONFIG_CPU_FREQ is not set
> > # CONFIG_CPU_IDLE is not set
> >
> > #
> > # Memory power savings
> > #
> > # CONFIG_I7300_IDLE is not set
> >
> > #
> > # Bus options (PCI etc.)
> > #
> > # CONFIG_PCI is not set
> > # CONFIG_ARCH_SUPPORTS_MSI is not set
> > CONFIG_ISA_DMA_API=y
> >
> > #
> > # Executable file formats / Emulations
> > #
> > # CONFIG_BINFMT_ELF is not set
> > # CONFIG_HAVE_AOUT is not set
> > # CONFIG_BINFMT_MISC is not set
> > # CONFIG_IA32_EMULATION is not set
> > # CONFIG_COMPAT_FOR_U64_ALIGNMENT is not set
> > CONFIG_NET=y
> >
> > #
> > # Networking options
> > #
> > CONFIG_COMPAT_NET_DEV_OPS=y
> > # CONFIG_PACKET is not set
> > # CONFIG_UNIX is not set
> > # CONFIG_NET_KEY is not set
> > CONFIG_INET=y
> > # CONFIG_IP_MULTICAST is not set
> > # CONFIG_IP_ADVANCED_ROUTER is not set
> > CONFIG_IP_FIB_HASH=y
> > # CONFIG_IP_PNP is not set
> > # CONFIG_NET_IPIP is not set
> > # CONFIG_NET_IPGRE is not set
> > # CONFIG_ARPD is not set
> > # CONFIG_SYN_COOKIES is not set
> > # CONFIG_INET_AH is not set
> > # CONFIG_INET_ESP is not set
> > # CONFIG_INET_IPCOMP is not set
> > # CONFIG_INET_XFRM_TUNNEL is not set
> > # CONFIG_INET_TUNNEL is not set
> > # CONFIG_INET_XFRM_MODE_TRANSPORT is not set
> > # CONFIG_INET_XFRM_MODE_TUNNEL is not set
> > # CONFIG_INET_XFRM_MODE_BEET is not set
> > # CONFIG_INET_LRO is not set
> > # CONFIG_INET_DIAG is not set
> > # CONFIG_TCP_CONG_ADVANCED is not set
> > CONFIG_TCP_CONG_CUBIC=y
> > CONFIG_DEFAULT_TCP_CONG="cubic"
> > # CONFIG_TCP_MD5SIG is not set
> > # CONFIG_IPV6 is not set
> > # CONFIG_NETWORK_SECMARK is not set
> > # CONFIG_NETFILTER is not set
> > # CONFIG_IP_DCCP is not set
> > # CONFIG_IP_SCTP is not set
> > # CONFIG_TIPC is not set
> > # CONFIG_ATM is not set
> > # CONFIG_BRIDGE is not set
> > # CONFIG_NET_DSA is not set
> > # CONFIG_VLAN_8021Q is not set
> > # CONFIG_DECNET is not set
> > # CONFIG_LLC2 is not set
> > # CONFIG_IPX is not set
> > # CONFIG_ATALK is not set
> > # CONFIG_X25 is not set
> > # CONFIG_LAPB is not set
> > # CONFIG_ECONET is not set
> > # CONFIG_WAN_ROUTER is not set
> > # CONFIG_NET_SCHED is not set
> > # CONFIG_DCB is not set
> >
> > #
> > # Network testing
> > #
> > # CONFIG_HAMRADIO is not set
> > # CONFIG_CAN is not set
> > # CONFIG_IRDA is not set
> > # CONFIG_BT is not set
> > # CONFIG_AF_RXRPC is not set
> > # CONFIG_PHONET is not set
> > # CONFIG_WIRELESS is not set
> > # CONFIG_RFKILL is not set
> > # CONFIG_NET_9P is not set
> >
> > #
> > # Device Drivers
> > #
> >
> > #
> > # Generic Driver Options
> > #
> > CONFIG_STANDALONE=y
> > # CONFIG_PREVENT_FIRMWARE_BUILD is not set
> > # CONFIG_DEBUG_DRIVER is not set
> > # CONFIG_DEBUG_DEVRES is not set
> > # CONFIG_SYS_HYPERVISOR is not set
> > # CONFIG_CONNECTOR is not set
> > # CONFIG_MTD is not set
> > # CONFIG_PARPORT is not set
> > # CONFIG_MISC_DEVICES is not set
> > CONFIG_HAVE_IDE=y
> >
> > #
> > # SCSI device support
> > #
> > # CONFIG_SCSI_DMA is not set
> > # CONFIG_SCSI_NETLINK is not set
> > # CONFIG_MACINTOSH_DRIVERS is not set
> > # CONFIG_NETDEVICES is not set
> > # CONFIG_ISDN is not set
> > # CONFIG_PHONE is not set
> >
> > #
> > # Input device support
> > #
> > CONFIG_INPUT=y
> > # CONFIG_INPUT_FF_MEMLESS is not set
> > # CONFIG_INPUT_POLLDEV is not set
> >
> > #
> > # Userland interfaces
> > #
> > # CONFIG_INPUT_MOUSEDEV is not set
> > # CONFIG_INPUT_JOYDEV is not set
> > # CONFIG_INPUT_EVDEV is not set
> > # CONFIG_INPUT_EVBUG is not set
> >
> > #
> > # Input Device Drivers
> > #
> > # CONFIG_INPUT_KEYBOARD is not set
> > # CONFIG_INPUT_MOUSE is not set
> > # CONFIG_INPUT_JOYSTICK is not set
> > # CONFIG_INPUT_TABLET is not set
> > # CONFIG_INPUT_TOUCHSCREEN is not set
> > # CONFIG_INPUT_MISC is not set
> >
> > #
> > # Hardware I/O ports
> > #
> > # CONFIG_SERIO is not set
> > # CONFIG_GAMEPORT is not set
> >
> > #
> > # Character devices
> > #
> > CONFIG_VT=y
> > # CONFIG_CONSOLE_TRANSLATIONS is not set
> > # CONFIG_VT_CONSOLE is not set
> > CONFIG_HW_CONSOLE=y
> > # CONFIG_VT_HW_CONSOLE_BINDING is not set
> > # CONFIG_DEVKMEM is not set
> > # CONFIG_SERIAL_NONSTANDARD is not set
> >
> > #
> > # Serial drivers
> > #
> > # CONFIG_SERIAL_8250 is not set
> > CONFIG_FIX_EARLYCON_MEM=y
> >
> > #
> > # Non-8250 serial port support
> > #
> > # CONFIG_UNIX98_PTYS is not set
> > # CONFIG_LEGACY_PTYS is not set
> > # CONFIG_IPMI_HANDLER is not set
> > # CONFIG_HW_RANDOM is not set
> > # CONFIG_NVRAM is not set
> > # CONFIG_RTC is not set
> > # CONFIG_GEN_RTC is not set
> > # CONFIG_R3964 is not set
> > # CONFIG_MWAVE is not set
> > # CONFIG_PC8736x_GPIO is not set
> > # CONFIG_HANGCHECK_TIMER is not set
> > # CONFIG_TCG_TPM is not set
> > # CONFIG_TELCLOCK is not set
> > # CONFIG_I2C is not set
> > # CONFIG_SPI is not set
> > CONFIG_ARCH_WANT_OPTIONAL_GPIOLIB=y
> > # CONFIG_GPIOLIB is not set
> > # CONFIG_W1 is not set
> > # CONFIG_POWER_SUPPLY is not set
> > # CONFIG_HWMON is not set
> > # CONFIG_THERMAL is not set
> > CONFIG_THERMAL_HWMON=y
> > # CONFIG_WATCHDOG is not set
> > CONFIG_SSB_POSSIBLE=y
> >
> > #
> > # Sonics Silicon Backplane
> > #
> > # CONFIG_SSB is not set
> >
> > #
> > # Multifunction device drivers
> > #
> > # CONFIG_MFD_CORE is not set
> > # CONFIG_MFD_SM501 is not set
> > # CONFIG_HTC_PASIC3 is not set
> > # CONFIG_MFD_TMIO is not set
> > # CONFIG_REGULATOR is not set
> >
> > #
> > # Multimedia devices
> > #
> >
> > #
> > # Multimedia core support
> > #
> > # CONFIG_VIDEO_DEV is not set
> > # CONFIG_DVB_CORE is not set
> > # CONFIG_VIDEO_MEDIA is not set
> >
> > #
> > # Multimedia drivers
> > #
> > # CONFIG_DAB is not set
> >
> > #
> > # Graphics support
> > #
> > # CONFIG_VGASTATE is not set
> > # CONFIG_VIDEO_OUTPUT_CONTROL is not set
> > # CONFIG_FB is not set
> > # CONFIG_BACKLIGHT_LCD_SUPPORT is not set
> >
> > #
> > # Display device support
> > #
> > # CONFIG_DISPLAY_SUPPORT is not set
> >
> > #
> > # Console display driver support
> > #
> > CONFIG_VGA_CONSOLE=y
> > # CONFIG_VGACON_SOFT_SCROLLBACK is not set
> > CONFIG_DUMMY_CONSOLE=y
> > # CONFIG_SOUND is not set
> > # CONFIG_HID_SUPPORT is not set
> > # CONFIG_USB_SUPPORT is not set
> > # CONFIG_MMC is not set
> > # CONFIG_MEMSTICK is not set
> > # CONFIG_NEW_LEDS is not set
> > # CONFIG_ACCESSIBILITY is not set
> > # CONFIG_EDAC is not set
> > # CONFIG_RTC_CLASS is not set
> > # CONFIG_DMADEVICES is not set
> > # CONFIG_UIO is not set
> > CONFIG_STAGING_EXCLUDE_BUILD=y
> > # CONFIG_X86_PLATFORM_DEVICES is not set
> >
> > #
> > # Firmware Drivers
> > #
> > # CONFIG_EDD is not set
> > # CONFIG_FIRMWARE_MEMMAP is not set
> > # CONFIG_DELL_RBU is not set
> > # CONFIG_DCDBAS is not set
> > # CONFIG_ISCSI_IBFT_FIND is not set
> >
> > #
> > # File systems
> > #
> > # CONFIG_DNOTIFY is not set
> > # CONFIG_INOTIFY is not set
> > # CONFIG_QUOTA is not set
> > # CONFIG_AUTOFS_FS is not set
> > # CONFIG_AUTOFS4_FS is not set
> > # CONFIG_FUSE_FS is not set
> >
> > #
> > # Pseudo filesystems
> > #
> > # CONFIG_PROC_FS is not set
> > # CONFIG_SYSFS is not set
> > # CONFIG_TMPFS is not set
> > # CONFIG_HUGETLBFS is not set
> > # CONFIG_HUGETLB_PAGE is not set
> >
> > #
> > # Miscellaneous filesystems
> > #
> > # CONFIG_NETWORK_FILESYSTEMS is not set
> > # CONFIG_NLS is not set
> >
> > #
> > # Kernel hacking
> > #
> > CONFIG_TRACE_IRQFLAGS_SUPPORT=y
> > # CONFIG_ENABLE_WARN_DEPRECATED is not set
> > # CONFIG_ENABLE_MUST_CHECK is not set
> > CONFIG_FRAME_WARN=2048
> > # CONFIG_MAGIC_SYSRQ is not set
> > # CONFIG_UNUSED_SYMBOLS is not set
> > CONFIG_DEBUG_FS=y
> > # CONFIG_HEADERS_CHECK is not set
> > CONFIG_DEBUG_SECTION_MISMATCH=y
> > CONFIG_DEBUG_KERNEL=y
> > # CONFIG_DEBUG_SHIRQ is not set
> > # CONFIG_DETECT_SOFTLOCKUP is not set
> > # CONFIG_DEBUG_OBJECTS is not set
> > # CONFIG_DEBUG_SPINLOCK is not set
> > # CONFIG_DEBUG_MUTEXES is not set
> > # CONFIG_DEBUG_LOCK_ALLOC is not set
> > # CONFIG_PROVE_LOCKING is not set
> > # CONFIG_LOCK_STAT is not set
> > CONFIG_TRACE_IRQFLAGS=y
> > # CONFIG_DEBUG_SPINLOCK_SLEEP is not set
> > # CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
> > CONFIG_STACKTRACE=y
> > # CONFIG_DEBUG_KOBJECT is not set
> > # CONFIG_DEBUG_VM is not set
> > # CONFIG_DEBUG_VIRTUAL is not set
> > # CONFIG_DEBUG_WRITECOUNT is not set
> > # CONFIG_DEBUG_MEMORY_INIT is not set
> > # CONFIG_DEBUG_LIST is not set
> > # CONFIG_DEBUG_SG is not set
> > # CONFIG_DEBUG_NOTIFIERS is not set
> > CONFIG_FRAME_POINTER=y
> > # CONFIG_RCU_TORTURE_TEST is not set
> > # CONFIG_RCU_CPU_STALL_DETECTOR is not set
> > # CONFIG_BACKTRACE_SELF_TEST is not set
> > # CONFIG_FAULT_INJECTION is not set
> > # CONFIG_LATENCYTOP is not set
> > CONFIG_USER_STACKTRACE_SUPPORT=y
> > CONFIG_NOP_TRACER=y
> > CONFIG_HAVE_FUNCTION_TRACER=y
> > CONFIG_HAVE_FUNCTION_TRACE_MCOUNT_TEST=y
> > CONFIG_HAVE_DYNAMIC_FTRACE=y
> > CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y
> > CONFIG_TRACER_MAX_TRACE=y
> > CONFIG_RING_BUFFER=y
> > CONFIG_TRACING=y
> >
> > #
> > # Tracers
> > #
> > CONFIG_FUNCTION_TRACER=y
> > CONFIG_IRQSOFF_TRACER=y
> > CONFIG_SYSPROF_TRACER=y
> > # CONFIG_SCHED_TRACER is not set
> > CONFIG_CONTEXT_SWITCH_TRACER=y
> > CONFIG_BOOT_TRACER=y
> > CONFIG_TRACE_BRANCH_PROFILING=y
> > # CONFIG_PROFILE_ALL_BRANCHES is not set
> > # CONFIG_BRANCH_TRACER is not set
> > CONFIG_STACK_TRACER=y
> > CONFIG_DYNAMIC_FTRACE=y
> > CONFIG_FTRACE_MCOUNT_RECORD=y
> > CONFIG_KMEMTRACE=y
> > # CONFIG_SAMPLES is not set
> > CONFIG_HAVE_ARCH_KGDB=y
> > # CONFIG_KGDB is not set
> > # CONFIG_STRICT_DEVMEM is not set
> > # CONFIG_X86_VERBOSE_BOOTUP is not set
> > # CONFIG_EARLY_PRINTK is not set
> > # CONFIG_DEBUG_STACKOVERFLOW is not set
> > # CONFIG_DEBUG_STACK_USAGE is not set
> > # CONFIG_DEBUG_PAGEALLOC is not set
> > # CONFIG_X86_PTDUMP is not set
> > # CONFIG_DEBUG_RODATA is not set
> > CONFIG_IO_DELAY_TYPE_0X80=0
> > CONFIG_IO_DELAY_TYPE_0XED=1
> > CONFIG_IO_DELAY_TYPE_UDELAY=2
> > CONFIG_IO_DELAY_TYPE_NONE=3
> > CONFIG_IO_DELAY_0X80=y
> > # CONFIG_IO_DELAY_0XED is not set
> > # CONFIG_IO_DELAY_UDELAY is not set
> > # CONFIG_IO_DELAY_NONE is not set
> > CONFIG_DEFAULT_IO_DELAY_TYPE=0
> > # CONFIG_DEBUG_BOOT_PARAMS is not set
> > # CONFIG_CPA_DEBUG is not set
> > CONFIG_OPTIMIZE_INLINING=y
> >
> > #
> > # Security options
> > #
> > # CONFIG_KEYS is not set
> > # CONFIG_SECURITYFS is not set
> > # CONFIG_SECURITY_FILE_CAPABILITIES is not set
> > # CONFIG_CRYPTO is not set
> > CONFIG_HAVE_KVM=y
> > # CONFIG_VIRTUALIZATION is not set
> >
> > #
> > # Library routines
> > #
> > CONFIG_GENERIC_FIND_FIRST_BIT=y
> > CONFIG_GENERIC_FIND_NEXT_BIT=y
> > # CONFIG_CRC_CCITT is not set
> > # CONFIG_CRC16 is not set
> > # CONFIG_CRC_T10DIF is not set
> > # CONFIG_CRC_ITU_T is not set
> > # CONFIG_CRC32 is not set
> > # CONFIG_CRC7 is not set
> > # CONFIG_LIBCRC32C is not set
> > CONFIG_HAS_IOMEM=y
> > CONFIG_HAS_IOPORT=y
> > CONFIG_HAS_DMA=y
>

--
Mathieu Desnoyers
OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68

Subject: Re: kmemtrace

On Sun, Dec 14, 2008 at 01:40:41PM -0500, Mathieu Desnoyers wrote:
>
> Have you switched to tracepoints rather than markers for kmemtrace ?
>
> Mathieu
>

No, but I'll do it ASAP, good point. I totally forgot they made it in
Linus' tree.


Thanks,
Eduard