Gentle ping.
On 2024/6/18 11:52, Jinjie Ruan wrote:
> Add support for kprobes on ftrace call sites to avoid much of the overhead
> with regular kprobes. Try it with simple steps:
>
> cd /sys/kernel/debug/tracing/
> echo 'p:myprobe sys_clone r0=%r0 r1=%r1 r2=
1200011 r1=0x0 r2=0x0
cat /sys/kernel/debug/kprobes/list
c03453e8 k sys_clone+0xc[FTRACE]
^^
Signed-off-by: Jinjie Ruan
Reported-by: kernel test robot
Closes:
https://lore.kernel.org/oe-kbuild-all/202406160646.j89
1200011 r1=0x0 r2=0x0
cat /sys/kernel/debug/kprobes/list
c03453e8 k sys_clone+0xc[FTRACE]
^^
Signed-off-by: Jinjie Ruan
---
.../debug/kprobes-on-ftrace/arch-support.txt | 2 +-
arch/arm/Kconfig