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27 lines
674 B
C
27 lines
674 B
C
// clang-format off
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#include <vmlinux.h>
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#include <bpf/bpf_helpers.h>
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#include <bpf/bpf_core_read.h>
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#include <bpf/bpf_tracing.h>
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// clang-format on
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char _license[] SEC("license") = "GPL";
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struct {
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__uint(type, BPF_MAP_TYPE_TASK_STORAGE);
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__uint(map_flags, BPF_F_NO_PREALLOC);
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__type(key, int);
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__type(value, __u32);
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} task_storage SEC(".maps");
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SEC("fexit/sched_post_fork")
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int BPF_PROG(sched_post_fork, struct task_struct *task) {
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__u32 value = 1;
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bpf_task_storage_get(&task_storage, task, &value,
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BPF_LOCAL_STORAGE_GET_F_CREATE);
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pid_t pid = BPF_CORE_READ(task, pid);
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bpf_printk("sched_post_fork: id: %d\n", pid);
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return 0;
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}
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