On 25/08/23 9:16 pm, Christophe Leroy wrote:
Le 25/08/2023 à 17:18, Hari Bathini a écrit :Use the newly introduced patch_instructions() that handles patching multiple instructions with one call. This improves speed of exectution for JIT'ing bpf programs. Without this patch (on a POWER9 lpar): # time modprobe test_bpf real 2m59.681s user 0m0.000s sys 1m44.160s # With this patch (on a POWER9 lpar): # time modprobe test_bpf real 0m5.013s user 0m0.000s sys 0m4.216s #Right, significant improvement. Forget by comment to patch 1, I should have read the series up to the end. Just wondering why you don't just put patch 4 up front ?
I wanted to remove the dependency for bpf_prog_pack enablement patches with this improvement, just in case.. - Hari
