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Re: [RFC] systemtap: begin the process of using proper kernel APIs (part1: use kprobe symbol_name/offset instead of address)
James Bottomley <James.Bottomley@HansenPartnership.com> writes:
> [...]
> Just by way of illustration, this is systemtap fixed up according to
> suggestion number 1. You can see now using your test case that we get:
>
> # probes
> kernel.function("do_open@fs/block_dev.c:929") /* pc=<lookup_bdev+0x90> */ /* <- kernel.function("do_open") */
> kernel.function("do_open@fs/nfsctl.c:24") /* pc=<sys_nfsservctl+0x6a> */ /* <- kernel.function("do_open") */
> kernel.function("do_open@ipc/mqueue.c:642") /* pc=<sys_mq_unlink+0x130> */ /* <- kernel.function("do_open") */
> [...]
Can you explain in detail how you believe this is materially
different from offsetting from _stext?
- FChE