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// SPDX-License-Identifier: GPL-2.0
#include <test_progs.h>
#include "percpu_alloc_array.skel.h"
#include "percpu_alloc_cgrp_local_storage.skel.h"
#include "percpu_alloc_fail.skel.h"
static void test_array(void)
{
struct percpu_alloc_array *skel;
int err, prog_fd;
LIBBPF_OPTS(bpf_test_run_opts, topts);
skel = percpu_alloc_array__open();
if (!ASSERT_OK_PTR(skel, "percpu_alloc_array__open"))
return;
bpf_program__set_autoload(skel->progs.test_array_map_1, true);
bpf_program__set_autoload(skel->progs.test_array_map_2, true);
bpf_program__set_autoload(skel->progs.test_array_map_3, true);
bpf_program__set_autoload(skel->progs.test_array_map_4, true);
skel->bss->my_pid = getpid();
skel->rodata->nr_cpus = libbpf_num_possible_cpus();
err = percpu_alloc_array__load(skel);
if (!ASSERT_OK(err, "percpu_alloc_array__load"))
goto out;
err = percpu_alloc_array__attach(skel);
if (!ASSERT_OK(err, "percpu_alloc_array__attach"))
goto out;
prog_fd = bpf_program__fd(skel->progs.test_array_map_1);
err = bpf_prog_test_run_opts(prog_fd, &topts);
ASSERT_OK(err, "test_run array_map 1-4");
ASSERT_EQ(topts.retval, 0, "test_run array_map 1-4");
ASSERT_EQ(skel->bss->cpu0_field_d, 2, "cpu0_field_d");
ASSERT_EQ(skel->bss->sum_field_c, 1, "sum_field_c");
out:
percpu_alloc_array__destroy(skel);
}
static void test_array_sleepable(void)
{
struct percpu_alloc_array *skel;
int err, prog_fd;
LIBBPF_OPTS(bpf_test_run_opts, topts);
skel = percpu_alloc_array__open();
if (!ASSERT_OK_PTR(skel, "percpu_alloc__open"))
return;
bpf_program__set_autoload(skel->progs.test_array_map_10, true);
skel->bss->my_pid = getpid();
skel->rodata->nr_cpus = libbpf_num_possible_cpus();
err = percpu_alloc_array__load(skel);
if (!ASSERT_OK(err, "percpu_alloc_array__load"))
goto out;
err = percpu_alloc_array__attach(skel);
if (!ASSERT_OK(err, "percpu_alloc_array__attach"))
goto out;
prog_fd = bpf_program__fd(skel->progs.test_array_map_10);
err = bpf_prog_test_run_opts(prog_fd, &topts);
ASSERT_OK(err, "test_run array_map_10");
ASSERT_EQ(topts.retval, 0, "test_run array_map_10");
ASSERT_EQ(skel->bss->cpu0_field_d, 2, "cpu0_field_d");
ASSERT_EQ(skel->bss->sum_field_c, 1, "sum_field_c");
out:
percpu_alloc_array__destroy(skel);
}
static void test_cgrp_local_storage(void)
{
struct percpu_alloc_cgrp_local_storage *skel;
int err, cgroup_fd, prog_fd;
LIBBPF_OPTS(bpf_test_run_opts, topts);
cgroup_fd = test__join_cgroup("/percpu_alloc");
if (!ASSERT_GE(cgroup_fd, 0, "join_cgroup /percpu_alloc"))
return;
skel = percpu_alloc_cgrp_local_storage__open();
if (!ASSERT_OK_PTR(skel, "percpu_alloc_cgrp_local_storage__open"))
goto close_fd;
skel->bss->my_pid = getpid();
skel->rodata->nr_cpus = libbpf_num_possible_cpus();
err = percpu_alloc_cgrp_local_storage__load(skel);
if (!ASSERT_OK(err, "percpu_alloc_cgrp_local_storage__load"))
goto destroy_skel;
err = percpu_alloc_cgrp_local_storage__attach(skel);
if (!ASSERT_OK(err, "percpu_alloc_cgrp_local_storage__attach"))
goto destroy_skel;
prog_fd = bpf_program__fd(skel->progs.test_cgrp_local_storage_1);
err = bpf_prog_test_run_opts(prog_fd, &topts);
ASSERT_OK(err, "test_run cgrp_local_storage 1-3");
ASSERT_EQ(topts.retval, 0, "test_run cgrp_local_storage 1-3");
ASSERT_EQ(skel->bss->cpu0_field_d, 2, "cpu0_field_d");
ASSERT_EQ(skel->bss->sum_field_c, 1, "sum_field_c");
destroy_skel:
percpu_alloc_cgrp_local_storage__destroy(skel);
close_fd:
close(cgroup_fd);
}
static void test_failure(void) {
RUN_TESTS(percpu_alloc_fail);
}
void test_percpu_alloc(void)
{
if (test__start_subtest("array"))
test_array();
if (test__start_subtest("array_sleepable"))
test_array_sleepable();
if (test__start_subtest("cgrp_local_storage"))
test_cgrp_local_storage();
if (test__start_subtest("failure_tests"))
test_failure();
}
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