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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xdp_perf.c (682B)

      1// SPDX-License-Identifier: GPL-2.0
      2#include <test_progs.h>
      3
      4void test_xdp_perf(void)
      5{
      6	const char *file = "./xdp_dummy.o";
      7	struct bpf_object *obj;
      8	char in[128], out[128];
      9	int err, prog_fd;
     10	LIBBPF_OPTS(bpf_test_run_opts, topts,
     11		.data_in = in,
     12		.data_size_in = sizeof(in),
     13		.data_out = out,
     14		.data_size_out = sizeof(out),
     15		.repeat = 1000000,
     16	);
     17
     18	err = bpf_prog_test_load(file, BPF_PROG_TYPE_XDP, &obj, &prog_fd);
     19	if (CHECK_FAIL(err))
     20		return;
     21
     22	err = bpf_prog_test_run_opts(prog_fd, &topts);
     23	ASSERT_OK(err, "test_run");
     24	ASSERT_EQ(topts.retval, XDP_PASS, "test_run retval");
     25	ASSERT_EQ(topts.data_size_out, 128, "test_run data_size_out");
     26
     27	bpf_object__close(obj);
     28}