Re: [PATCH] arm: Add KPROBES_ON_FTRACE supported

2024-06-15 Thread kernel test robot
patch link: https://lore.kernel.org/r/20240614022318.2600814-1-ruanjinjie%40huawei.com patch subject: [PATCH] arm: Add KPROBES_ON_FTRACE supported config: arm-allmodconfig (https://download.01.org/0day-ci/archive/20240616/202406160646.j89u1ukk-...@intel.com/config) compiler: arm-linux-gnueabi-gcc (G

[PATCH] arm: Add KPROBES_ON_FTRACE supported

2024-06-13 Thread Jinjie Ruan
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=%r2' > kprobe_events echo 1 > events/kprobes/enable echo 1 > events/k