#!/usr/bin/env python # Copyright (c) PLUMgrid, Inc. # Licensed under the Apache License, Version 2.0 (the "License") from bpf import BPF import os import sys from unittest import main, TestCase class TestKprobeRgx(TestCase): def setUp(self): self.b = BPF(text=""" typedef struct { int idx; } Key; typedef struct { u64 val; } Val; BPF_TABLE("array", Key, Val, stats, 3); int hello(void *ctx) { stats.lookup_or_init(&(Key){1}, &(Val){0})->val++; return 0; } int goodbye(void *ctx) { stats.lookup_or_init(&(Key){2}, &(Val){0})->val++; return 0; } """) self.b.attach_kprobe(event_re="^SyS_bp.*", fn_name="hello") self.b.attach_kretprobe(event_re="^SyS_bp.*", fn_name="goodbye") def test_send1(self): k1 = self.b["stats"].Key(1) k2 = self.b["stats"].Key(2) self.assertEqual(self.b["stats"][k1].val, self.b["stats"][k2].val + 1) if __name__ == "__main__": main()