mirror of https://github.com/torvalds/linux.git
23 lines
427 B
C
23 lines
427 B
C
// SPDX-License-Identifier: GPL-2.0-only
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#include "vmlinux.h"
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#include <bpf/bpf_tracing.h>
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#include <bpf/bpf_helpers.h>
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char _license[] SEC("license") = "GPL";
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__u32 value_sum = 0;
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SEC("iter/bpf_map_elem")
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int dump_bpf_map_values(struct bpf_iter__bpf_map_elem *ctx)
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{
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__u32 value = 0;
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if (ctx->value == (void *)0)
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return 0;
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bpf_probe_read_kernel(&value, sizeof(value), ctx->value);
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value_sum += value;
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return 0;
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}
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