support for ftrace added

config/buildroot_nano.patch

  board/friendlyarm/nanopi-neo-plus2/boot.cmd        |   6 +
  board/friendlyarm/nanopi-neo-plus2/genimage.cfg    |  40 ++
  board/friendlyarm/nanopi-neo-plus2/linux.patch     | 382 ++++++++++++
- board/friendlyarm/nanopi-neo-plus2/linux_defconfig | 681 +++++++++++++++++++++
+ board/friendlyarm/nanopi-neo-plus2/linux_defconfig | 679 +++++++++++++++++++++
  board/friendlyarm/nanopi-neo-plus2/my.dts          |  12 +
  board/friendlyarm/nanopi-neo-plus2/readme.txt      |  37 ++
  board/friendlyarm/nanopi-neo-plus2/uboot.patch     |  24 +
@@ -9,7 +9,7 @@
  configs/nanopi_neo_plus2_defconfig                 |  86 +++
  package/dropbear/S50dropbear                       |   2 +-
  package/openssh/S50sshd                            |   3 +
- 11 files changed, 1288 insertions(+), 1 deletion(-)
+ 11 files changed, 1286 insertions(+), 1 deletion(-)
 
 diff --git a/board/friendlyarm/nanopi-neo-plus2/boot.cmd b/board/friendlyarm/nanopi-neo-plus2/boot.cmd
 new file mode 100644
@@ -459,10 +459,10 @@ index 0000000000..81dab72ca1
 ++MODULE_LICENSE("GPL v2");
 diff --git a/board/friendlyarm/nanopi-neo-plus2/linux_defconfig b/board/friendlyarm/nanopi-neo-plus2/linux_defconfig
 new file mode 100644
-index 0000000000..57311c69ff
+index 0000000000..fc65b2cbeb
 --- /dev/null
 +++ b/board/friendlyarm/nanopi-neo-plus2/linux_defconfig
-@@ -0,0 +1,681 @@
+@@ -0,0 +1,679 @@
 +CONFIG_SYSVIPC=y
 +CONFIG_POSIX_MQUEUE=y
 +CONFIG_AUDIT=y
@@ -491,7 +491,6 @@ index 0000000000..57311c69ff
 +CONFIG_USER_NS=y
 +CONFIG_SCHED_AUTOGROUP=y
 +CONFIG_BLK_DEV_INITRD=y
-+CONFIG_KALLSYMS_ALL=y
 +# CONFIG_COMPAT_BRK is not set
 +CONFIG_PROFILING=y
 +CONFIG_ARCH_SUNXI=y
@@ -567,6 +566,7 @@ index 0000000000..57311c69ff
 +CONFIG_CRYPTO_AES_ARM64_CE_BLK=y
 +CONFIG_CRYPTO_CHACHA20_NEON=m
 +CONFIG_CRYPTO_AES_ARM64_BS=m
++CONFIG_KPROBES=y
 +CONFIG_JUMP_LABEL=y
 +CONFIG_MODULES=y
 +CONFIG_MODULE_UNLOAD=y
@@ -647,15 +647,11 @@ index 0000000000..57311c69ff
 +CONFIG_PCIE_QCOM=y
 +CONFIG_PCIE_ARMADA_8K=y
 +CONFIG_PCIE_KIRIN=y
-+CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
 +CONFIG_DEVTMPFS=y
 +CONFIG_DEVTMPFS_MOUNT=y
 +CONFIG_MTD=y
 +CONFIG_MTD_BLOCK=y
 +CONFIG_MTD_M25P80=y
-+CONFIG_MTD_NAND=y
-+CONFIG_MTD_NAND_DENALI_DT=y
-+CONFIG_MTD_NAND_MARVELL=y
 +CONFIG_MTD_SPI_NOR=y
 +CONFIG_BLK_DEV_LOOP=y
 +CONFIG_BLK_DEV_NBD=m
@@ -1137,13 +1133,15 @@ index 0000000000..57311c69ff
 +CONFIG_DMA_CMA=y
 +CONFIG_PRINTK_TIME=y
 +CONFIG_DEBUG_INFO=y
-+CONFIG_DEBUG_FS=y
 +CONFIG_MAGIC_SYSRQ=y
 +CONFIG_DEBUG_KERNEL=y
 +# CONFIG_SCHED_DEBUG is not set
 +# CONFIG_DEBUG_PREEMPT is not set
-+# CONFIG_FTRACE is not set
++CONFIG_LOCK_STAT=y
++CONFIG_FUNCTION_TRACER=y
++CONFIG_FTRACE_SYSCALLS=y
 +CONFIG_MEMTEST=y
++
 diff --git a/board/friendlyarm/nanopi-neo-plus2/my.dts b/board/friendlyarm/nanopi-neo-plus2/my.dts
 new file mode 100644
 index 0000000000..354d4ad530