Honggyu Kim

To reduce the amount of data, we really need the work at #1500.

Does it work in replay command?

I can’t run it now but I saw the `-N func@kernel` didn’t work in replay command unexpectedly.

Hi @kang-hyuck, I don’t clearly get what you mean but it’d be helpful if you could send a PR so that we can understand better. You don’t actually have to...

It could be for experienced users, but I think it might also be useful to support more requests.

The `node` binary doesn't have something special. ``` $ file node node: ELF 64-bit LSB executable, ARM aarch64, version 1 (GNU/Linux), dynamically linked (uses shared libs), for GNU/Linux 3.7.0, BuildID[sha1]=354e74135885f29e2b825af51a31facef5c842b8,...

Here is segment info of `libstdc++.so.6`. ``` $ readelf -l libstdc++.so.6 Elf file type is DYN (Shared object file) Entry point 0x8c190 There are 8 program headers, starting at offset...

``` # ldd node linux-vdso.so.1 (0x0000007fa089e000) libdl.so.2 => /lib/libdl.so.2 (0x0000007fa084d000) libstdc++.so.6 => /usr/lib/libstdc++.so.6 (0x0000007fa06bb000) libm.so.6 => /lib/libm.so.6 (0x0000007fa0605000) libgcc_s.so.1 => /lib/libgcc_s.so.1 (0x0000007fa05e2000) libpthread.so.0 => /lib/libpthread.so.0 (0x0000007fa05b4000) libc.so.6 => /lib/libc.so.6 (0x0000007fa044f000)...

Here is replay output for crashed node. ``` # uftrace record -l --no-randomize-addr ./node -e '' plthook: /home/honggyu/work/uftrace/libmcount/plthook.c:792:__plthook_entry ERROR: invalid function idx found! (idx: 2305843009213564492/855, module: /usr/lib/libstdc++.so.6) # DURATION TID...

It always gets crashed at the same location. ```asm 000000000008a050 : 8a050: d0000810 adrp x16, 18c000 8a054: f9450e11 ldr x17, [x16,#2584] 8a058: 91286210 add x16, x16, #0xa18 8a05c: d61f0220 br...