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430d97a8a7
Add per-CPU variable to bpf_testmod.ko and use those from new selftest to validate it works end-to-end. Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Acked-by: Yonghong Song <yhs@fb.com> Acked-by: Hao Luo <haoluo@google.com> Link: https://lore.kernel.org/bpf/20210112075520.4103414-8-andrii@kernel.org
31 lines
697 B
C
31 lines
697 B
C
// SPDX-License-Identifier: GPL-2.0
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/* Copyright (c) 2021 Facebook */
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#include <test_progs.h>
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#include <bpf/libbpf.h>
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#include <bpf/btf.h>
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#include "test_ksyms_module.skel.h"
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static int duration;
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void test_ksyms_module(void)
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{
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struct test_ksyms_module* skel;
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int err;
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skel = test_ksyms_module__open_and_load();
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if (CHECK(!skel, "skel_open", "failed to open skeleton\n"))
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return;
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err = test_ksyms_module__attach(skel);
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if (CHECK(err, "skel_attach", "skeleton attach failed: %d\n", err))
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goto cleanup;
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usleep(1);
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ASSERT_EQ(skel->bss->triggered, true, "triggered");
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ASSERT_EQ(skel->bss->out_mod_ksym_global, 123, "global_ksym_val");
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cleanup:
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test_ksyms_module__destroy(skel);
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}
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