debug lk

hc

2024-02-20 e636c8d336489bf3eed5878299e6cc045bbad077

 kernel/samples/bpf/xdp_sample_pkts_kern.c
..
..
@@ -2,24 +2,15 @@
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 #include <linux/ptrace.h>
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 #include <linux/version.h>
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 #include <uapi/linux/bpf.h>
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-#include "bpf_helpers.h"
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+#include <bpf/bpf_helpers.h>
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 #define SAMPLE_SIZE 64ul
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-#define MAX_CPUS 128
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-#define bpf_printk(fmt, ...)					\
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-({								\
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-	       char ____fmt[] = fmt;				\
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-	       bpf_trace_printk(____fmt, sizeof(____fmt),	\
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-				##__VA_ARGS__);			\
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-})
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-
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-struct bpf_map_def SEC("maps") my_map = {
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-	.type = BPF_MAP_TYPE_PERF_EVENT_ARRAY,
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-	.key_size = sizeof(int),
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-	.value_size = sizeof(u32),
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-	.max_entries = MAX_CPUS,
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-};
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+struct {
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+	__uint(type, BPF_MAP_TYPE_PERF_EVENT_ARRAY);
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+	__uint(key_size, sizeof(int));
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+	__uint(value_size, sizeof(u32));
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+} my_map SEC(".maps");
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 SEC("xdp_sample")
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 int xdp_sample_prog(struct xdp_md *ctx)