cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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core_kern.c (717B)

      1// SPDX-License-Identifier: GPL-2.0
      2/* Copyright (c) 2021 Facebook */
      3
      4#include "test_progs.h"
      5#include "core_kern.lskel.h"
      6
      7void test_core_kern_lskel(void)
      8{
      9	struct core_kern_lskel *skel;
     10	int link_fd;
     11
     12	skel = core_kern_lskel__open_and_load();
     13	if (!ASSERT_OK_PTR(skel, "open_and_load"))
     14		return;
     15
     16	link_fd = core_kern_lskel__core_relo_proto__attach(skel);
     17	if (!ASSERT_GT(link_fd, 0, "attach(core_relo_proto)"))
     18		goto cleanup;
     19
     20	/* trigger tracepoints */
     21	usleep(1);
     22	ASSERT_TRUE(skel->bss->proto_out[0], "bpf_core_type_exists");
     23	ASSERT_FALSE(skel->bss->proto_out[1], "!bpf_core_type_exists");
     24	ASSERT_TRUE(skel->bss->proto_out[2], "bpf_core_type_exists. nested");
     25
     26cleanup:
     27	core_kern_lskel__destroy(skel);
     28}