ebpf_exporter

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package decoder
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import (
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	"fmt"
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	"strconv"
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	"github.com/cloudflare/ebpf_exporter/v2/config"
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)
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// Syscall is a decoder that decodes syscall numbers into their names
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type Syscall struct{}
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// Decode transforms a syscall number into a syscall name
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func (s *Syscall) Decode(in []byte, _ config.Decoder) ([]byte, error) {
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	number, err := strconv.Atoi(string(in))
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	if err != nil {
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		return nil, err
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	}
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	return []byte(resolveSyscall(uint64(number))), nil
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}
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func resolveSyscall(number uint64) string {
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	if name, ok := syscalls[number]; ok {
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		return name
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	}
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	return fmt.Sprintf("unknown_syscall:%d", number)
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}
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