Re: [PATCH v2 3/3] tracing/kprobes: Use APIs that matches symbols without .XXX suffix
From: Song Liu <hidden>
Date: 2024-08-07 20:40:38
Also in:
live-patching, lkml
From: Song Liu <hidden>
Date: 2024-08-07 20:40:38
Also in:
live-patching, lkml
On Aug 7, 2024, at 1:08 PM, Steven Rostedt [off-list ref] wrote: On Wed, 7 Aug 2024 19:41:11 +0000 Song Liu [off-list ref] wrote:quoted
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_enableStrange, 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