Commits on Apr 10, 2022

1. btf: reduce unnecessary copies when parsing BTF …

   We currently read all BTF into memory before starting decoding. This is wasteful,
   especially for the large-ish string table. Be a bit more clever to remove intermediate
   copies.
   
       name            old time/op    new time/op    delta
       ParseVmlinux-4     107ms ± 7%      77ms ±13%  -27.98%  (p=0.029 n=4+4)
   
       name            old alloc/op   new alloc/op   delta
       ParseVmlinux-4     119MB ± 0%      93MB ± 0%  -22.20%  (p=0.029 n=4+4)
   
       name            old allocs/op  new allocs/op  delta
       ParseVmlinux-4      786k ± 0%      786k ± 0%   -0.01%  (p=0.029 n=4+4)

   

   lmb committed Apr 10, 2022
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