Re: [PATCH v2 3/3] tracing/kprobes: Use APIs that matches symbols without .XXX suffix

[Song Liu]

> On Aug 7, 2024, at 1:08 PM, Steven Rostedt <rostedt@xxxxxxxxxxx> wrote:
> 
> On Wed, 7 Aug 2024 19:41:11 +0000
> Song Liu <songliubraving@xxxxxxxx> wrote:
> 
> 
>> It appears there are multiple APIs that may need change. For example, on gcc
>> built kernel, /sys/kernel/tracing/available_filter_functions does not show 
>> the suffix: 
>> 
>>  [root@(none)]# grep cmos_irq_enable /proc/kallsyms
>>  ffffffff81db5470 t __pfx_cmos_irq_enable.constprop.0
>>  ffffffff81db5480 t cmos_irq_enable.constprop.0
>>  ffffffff822dec6e t cmos_irq_enable.constprop.0.cold
>> 
>>  [root@(none)]# grep cmos_irq_enable /sys/kernel/tracing/available_filter_functions
>>  cmos_irq_enable
> 
> Strange, I don't see that:
> 
>  ~# grep cmos_irq_enable /proc/kallsyms 
>  ffffffff8f4b2500 t __pfx_cmos_irq_enable.constprop.0
>  ffffffff8f4b2510 t cmos_irq_enable.constprop.0
> 
>  ~# grep cmos_irq_enable /sys/kernel/tracing/available_filter_functions
>  cmos_irq_enable.constprop.0

Ah, this is caused by my change. Let me fix that in the next version. 

Thanks,
Song