On Sat, 28 Sep 2019 01:17:48 -0700 Masami Hiramatsu <[email protected]> wrote:
> If we found that 2 probes have different number of argument should not be > folded at all. > Also, we have to adjust error log position. Attached patch will fix those > errors correctly as bellow. Oops, missed the fixed tag. Anyway I'll send it as a patch mail. Thank you, > > /sys/kernel/debug/tracing # echo p:myevent kernel_read %ax %bx >> > kprobe_events > /sys/kernel/debug/tracing # echo p:myevent kernel_read %ax %bx >> > kprobe_events > sh: write error: File exists > /sys/kernel/debug/tracing # echo p:myevent kernel_read %ax >> kprobe_events > sh: write error: File exists > /sys/kernel/debug/tracing # echo p:myevent kernel_read %ax %bx %cx >> > kprobe_eve > nts > sh: write error: File exists > /sys/kernel/debug/tracing # cat error_log > [ 15.917727] trace_kprobe: error: There is already the exact same probe > event > Command: p:myevent kernel_read %ax %bx > ^ > [ 24.890638] trace_kprobe: error: Argument type or name is different from > existing probe > Command: p:myevent kernel_read %ax > ^ > [ 31.480521] trace_kprobe: error: Argument type or name is different from > existing probe > Command: p:myevent kernel_read %ax %bx %cx > ^ > > Thank you, > > -- > Masami Hiramatsu -- Masami Hiramatsu <[email protected]>
