florianl

#!/usr/bin/env bpftrace

/*
 *  sudo bpftrace nvidia-smi.bt -o nvidia-smi.$(date +%s%N | cut -b1-13).out
 *
 *  Dump is limited to 64 byte as enforced by BPFTRACE_STRLEN and stack size limitations.
 */
BEGIN
{
	printf("Tracing nvidia-smi ioctl calls ... Hit Ctrl-C to end.\n\n");

florianl

package main

import (
	"fmt"
	"math/rand"
	"os"
	"unsafe"

	"github.com/cilium/ebpf"
)

florianl

package main

import (
	"errors"
	"log"
	"os"
	"os/signal"
	"strconv"
	"syscall"

florianl

package main

import (
	"fmt"
	"log"
	"net"

	"github.com/cilium/ebpf"
	"github.com/cilium/ebpf/asm"
	"github.com/cilium/ebpf/rlimit"

florianl

package main

import (
	"math/rand"
	"time"
)

//go:noinline
func fibonacciRecursive(n uint32) uint32 {
	if n < 2 {

florianl

#!/usr/bin/env bpftrace
/*
 *   dlopen.bt reports potential usage of dlopen() usage which is a combination
 *             of a open syscall followed by mmap syscall
 */

BEGIN
{

	printf("Tracing potential dlopen() usage... Hit Ctrl-C to end.\n");

florianl

#!/bin/bpftrace

#include <linux/skbuff.h>
#include <linux/ip.h>

BEGIN
{
        printf("follow the white rabbit\n");
}

florianl

package main

import (
	"fmt"
	"net"
	"os"
	"time"

	bpf "github.com/iovisor/gobpf/bcc"
	"github.com/florianl/go-tc"

florianl

package main

import (
	"fmt"
	"strings"
	"github.com/mdlayher/netlink"
)

const nlafNested = (1 << 15)

florianl

How it is now:

$ ./route -6
Kernel IPv6 routing table
Destination                    Next Hop                   Flag Met Ref Use If
::1/128                        ::                         U    256 0     0 lo
2001:590:3401::3f8d:c211/128   fe80::200:24ff:fece:8965   UG   1   0     0 em1
2001:668:108:9::4d43:60d8/128  fe80::200:24ff:fece:8965   UG   1   0     0 em1
2001:67c:26f4:224::229/128     fe80::200:24ff:fece:8965   UG   1   3     3 em1
2001:67c:26f4:224::231/128     fe80::200:24ff:fece:8965   UG   1   0     0 em1