Re: [PATCH v6 0/5] powerpc/bpf: use BPF prog pack allocator

2023-10-16 Thread Hari Bathini
On 16/10/23 5:37 pm, Daniel Borkmann wrote: On 10/12/23 10:03 PM, Hari Bathini wrote: Most BPF programs are small, but they consume a page each. For systems with busy traffic and many BPF programs, this may also add significant pressure on instruction TLB. High iTLB pressure usually slows dow

Re: [PATCH v6 0/5] powerpc/bpf: use BPF prog pack allocator

2023-10-16 Thread Daniel Borkmann
On 10/12/23 10:03 PM, Hari Bathini wrote: Most BPF programs are small, but they consume a page each. For systems with busy traffic and many BPF programs, this may also add significant pressure on instruction TLB. High iTLB pressure usually slows down the whole system causing visible performance d

[PATCH v6 0/5] powerpc/bpf: use BPF prog pack allocator

2023-10-12 Thread Hari Bathini
Most BPF programs are small, but they consume a page each. For systems with busy traffic and many BPF programs, this may also add significant pressure on instruction TLB. High iTLB pressure usually slows down the whole system causing visible performance degradation for production workloads. bpf_pr