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 -- Steve > > perf-probe uses _text+<offset> for such cases: > > [root@(none)]# cat /sys/kernel/tracing/kprobe_events > p:probe/cmos_irq_enable _text+14374016 > > I am not sure which APIs do we need to change here. > > Thanks, > Song > >