Constant solana_rbpf::syscalls::BPF_TRACE_PRINTK_IDX

pub const BPF_TRACE_PRINTK_IDX: u32 = 6;

Index of syscall bpf_trace_printk(), equivalent to bpf_trace_printf, in Linux kernel, see https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/tree/include/uapi/linux/bpf.h.