131 bpf_source = """  variable
412                 bpf_source += bpf_source_percpu
414                 bpf_source += bpf_source_kernel
416                         bpf_source += bpf_source_kernel_node
419     bpf_source = bpf_source.replace("WORKAROUND_MISSING_FREE", "1"  variable
422 bpf_source = bpf_source.replace("SHOULD_PRINT", "1" if trace_all else "0")  variable
423 bpf_source = bpf_source.replace("SAMPLE_EVERY_N", str(sample_every_n))  variable
424 bpf_source = bpf_source.replace("PAGE_SIZE", str(resource.getpagesize()))  variable
434 bpf_source = bpf_source.replace("SIZE_FILTER", size_filter)  variable
439 bpf_source = bpf_source.replace("STACK_FLAGS", stack_flags)  variable
442     print(bpf_source)
445 bpf = BPF(text=bpf_source)