ebpf_exporter

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#include <vmlinux.h>
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#include <bpf/bpf_helpers.h>
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#include <bpf/usdt.bpf.h>
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#include "maps.bpf.h"
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struct call_t {
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    char module[128];
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    char function[128];
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};
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struct {
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    __uint(type, BPF_MAP_TYPE_HASH);
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    __uint(max_entries, 1024);
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    __type(key, struct call_t);
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    __type(value, u64);
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} python_function_entries_total SEC(".maps");
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SEC("usdt/python3:python:function__entry")
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int BPF_USDT(do_count, void *arg0, void *arg1, void *arg2)
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{
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    struct call_t call = {};
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    // https://docs.python.org/3/howto/instrumentation.html#available-static-markers
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    bpf_probe_read_user_str(&call.module, sizeof(call.module), arg0);
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    bpf_probe_read_user_str(&call.function, sizeof(call.function), arg1);
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    increment_map(&python_function_entries_total, &call, 1);
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    return 0;
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}
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char LICENSE[] SEC("license") = "GPL";
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