diff options
Diffstat (limited to 'tools/testing/selftests/bpf')
-rw-r--r-- | tools/testing/selftests/bpf/bench.c | 12 | ||||
-rw-r--r-- | tools/testing/selftests/bpf/benchs/bench_trigger.c | 42 | ||||
-rwxr-xr-x | tools/testing/selftests/bpf/benchs/run_bench_uprobes.sh | 2 | ||||
-rw-r--r-- | tools/testing/selftests/bpf/config.aarch64 | 1 | ||||
-rw-r--r-- | tools/testing/selftests/bpf/config.s390x | 1 | ||||
-rw-r--r-- | tools/testing/selftests/bpf/config.x86_64 | 1 | ||||
-rw-r--r-- | tools/testing/selftests/bpf/prog_tests/for_each.c | 37 | ||||
-rw-r--r-- | tools/testing/selftests/bpf/prog_tests/res_spin_lock.c | 7 | ||||
-rw-r--r-- | tools/testing/selftests/bpf/prog_tests/sockmap_ktls.c | 1 | ||||
-rw-r--r-- | tools/testing/selftests/bpf/progs/bpf_misc.h | 2 | ||||
-rw-r--r-- | tools/testing/selftests/bpf/progs/for_each_hash_modify.c | 30 | ||||
-rw-r--r-- | tools/testing/selftests/bpf/progs/res_spin_lock.c | 10 |
12 files changed, 135 insertions, 11 deletions
diff --git a/tools/testing/selftests/bpf/bench.c b/tools/testing/selftests/bpf/bench.c index 1bd403a5ef7b..0fd8c9b0d38f 100644 --- a/tools/testing/selftests/bpf/bench.c +++ b/tools/testing/selftests/bpf/bench.c @@ -526,6 +526,12 @@ extern const struct bench bench_trig_uprobe_multi_push; extern const struct bench bench_trig_uretprobe_multi_push; extern const struct bench bench_trig_uprobe_multi_ret; extern const struct bench bench_trig_uretprobe_multi_ret; +#ifdef __x86_64__ +extern const struct bench bench_trig_uprobe_nop5; +extern const struct bench bench_trig_uretprobe_nop5; +extern const struct bench bench_trig_uprobe_multi_nop5; +extern const struct bench bench_trig_uretprobe_multi_nop5; +#endif extern const struct bench bench_rb_libbpf; extern const struct bench bench_rb_custom; @@ -586,6 +592,12 @@ static const struct bench *benchs[] = { &bench_trig_uretprobe_multi_push, &bench_trig_uprobe_multi_ret, &bench_trig_uretprobe_multi_ret, +#ifdef __x86_64__ + &bench_trig_uprobe_nop5, + &bench_trig_uretprobe_nop5, + &bench_trig_uprobe_multi_nop5, + &bench_trig_uretprobe_multi_nop5, +#endif /* ringbuf/perfbuf benchmarks */ &bench_rb_libbpf, &bench_rb_custom, diff --git a/tools/testing/selftests/bpf/benchs/bench_trigger.c b/tools/testing/selftests/bpf/benchs/bench_trigger.c index 32e9f194d449..82327657846e 100644 --- a/tools/testing/selftests/bpf/benchs/bench_trigger.c +++ b/tools/testing/selftests/bpf/benchs/bench_trigger.c @@ -333,6 +333,20 @@ static void *uprobe_producer_ret(void *input) return NULL; } +#ifdef __x86_64__ +__nocf_check __weak void uprobe_target_nop5(void) +{ + asm volatile (".byte 0x0f, 0x1f, 0x44, 0x00, 0x00"); +} + +static void *uprobe_producer_nop5(void *input) +{ + while (true) + uprobe_target_nop5(); + return NULL; +} +#endif + static void usetup(bool use_retprobe, bool use_multi, void *target_addr) { size_t uprobe_offset; @@ -448,6 +462,28 @@ static void uretprobe_multi_ret_setup(void) usetup(true, true /* use_multi */, &uprobe_target_ret); } +#ifdef __x86_64__ +static void uprobe_nop5_setup(void) +{ + usetup(false, false /* !use_multi */, &uprobe_target_nop5); +} + +static void uretprobe_nop5_setup(void) +{ + usetup(true, false /* !use_multi */, &uprobe_target_nop5); +} + +static void uprobe_multi_nop5_setup(void) +{ + usetup(false, true /* use_multi */, &uprobe_target_nop5); +} + +static void uretprobe_multi_nop5_setup(void) +{ + usetup(true, true /* use_multi */, &uprobe_target_nop5); +} +#endif + const struct bench bench_trig_syscall_count = { .name = "trig-syscall-count", .validate = trigger_validate, @@ -506,3 +542,9 @@ BENCH_TRIG_USERMODE(uprobe_multi_ret, ret, "uprobe-multi-ret"); BENCH_TRIG_USERMODE(uretprobe_multi_nop, nop, "uretprobe-multi-nop"); BENCH_TRIG_USERMODE(uretprobe_multi_push, push, "uretprobe-multi-push"); BENCH_TRIG_USERMODE(uretprobe_multi_ret, ret, "uretprobe-multi-ret"); +#ifdef __x86_64__ +BENCH_TRIG_USERMODE(uprobe_nop5, nop5, "uprobe-nop5"); +BENCH_TRIG_USERMODE(uretprobe_nop5, nop5, "uretprobe-nop5"); +BENCH_TRIG_USERMODE(uprobe_multi_nop5, nop5, "uprobe-multi-nop5"); +BENCH_TRIG_USERMODE(uretprobe_multi_nop5, nop5, "uretprobe-multi-nop5"); +#endif diff --git a/tools/testing/selftests/bpf/benchs/run_bench_uprobes.sh b/tools/testing/selftests/bpf/benchs/run_bench_uprobes.sh index af169f831f2f..03f55405484b 100755 --- a/tools/testing/selftests/bpf/benchs/run_bench_uprobes.sh +++ b/tools/testing/selftests/bpf/benchs/run_bench_uprobes.sh @@ -2,7 +2,7 @@ set -eufo pipefail -for i in usermode-count syscall-count {uprobe,uretprobe}-{nop,push,ret} +for i in usermode-count syscall-count {uprobe,uretprobe}-{nop,push,ret,nop5} do summary=$(sudo ./bench -w2 -d5 -a trig-$i | tail -n1 | cut -d'(' -f1 | cut -d' ' -f3-) printf "%-15s: %s\n" $i "$summary" diff --git a/tools/testing/selftests/bpf/config.aarch64 b/tools/testing/selftests/bpf/config.aarch64 index 3720b7611523..e1495a4bbc99 100644 --- a/tools/testing/selftests/bpf/config.aarch64 +++ b/tools/testing/selftests/bpf/config.aarch64 @@ -158,7 +158,6 @@ CONFIG_TRANSPARENT_HUGEPAGE=y CONFIG_TUN=y CONFIG_UNIX=y CONFIG_UPROBES=y -CONFIG_USELIB=y CONFIG_USER_NS=y CONFIG_VETH=y CONFIG_VLAN_8021Q=y diff --git a/tools/testing/selftests/bpf/config.s390x b/tools/testing/selftests/bpf/config.s390x index 706931a8c2c6..26c3bc2ce11d 100644 --- a/tools/testing/selftests/bpf/config.s390x +++ b/tools/testing/selftests/bpf/config.s390x @@ -128,7 +128,6 @@ CONFIG_TRANSPARENT_HUGEPAGE=y CONFIG_TUN=y CONFIG_UNIX=y CONFIG_UPROBES=y -CONFIG_USELIB=y CONFIG_USER_NS=y CONFIG_VETH=y CONFIG_VLAN_8021Q=y diff --git a/tools/testing/selftests/bpf/config.x86_64 b/tools/testing/selftests/bpf/config.x86_64 index 5680befae8c6..5e713ef7caa3 100644 --- a/tools/testing/selftests/bpf/config.x86_64 +++ b/tools/testing/selftests/bpf/config.x86_64 @@ -39,7 +39,6 @@ CONFIG_CPU_FREQ_GOV_USERSPACE=y CONFIG_CPU_FREQ_STAT=y CONFIG_CPU_IDLE_GOV_LADDER=y CONFIG_CPUSETS=y -CONFIG_CRC_T10DIF=y CONFIG_CRYPTO_BLAKE2B=y CONFIG_CRYPTO_SEQIV=y CONFIG_CRYPTO_XXHASH=y diff --git a/tools/testing/selftests/bpf/prog_tests/for_each.c b/tools/testing/selftests/bpf/prog_tests/for_each.c index 09f6487f58b9..5fea3209566e 100644 --- a/tools/testing/selftests/bpf/prog_tests/for_each.c +++ b/tools/testing/selftests/bpf/prog_tests/for_each.c @@ -6,6 +6,7 @@ #include "for_each_array_map_elem.skel.h" #include "for_each_map_elem_write_key.skel.h" #include "for_each_multi_maps.skel.h" +#include "for_each_hash_modify.skel.h" static unsigned int duration; @@ -203,6 +204,40 @@ out: for_each_multi_maps__destroy(skel); } +static void test_hash_modify(void) +{ + struct for_each_hash_modify *skel; + int max_entries, i, err; + __u64 key, val; + + LIBBPF_OPTS(bpf_test_run_opts, topts, + .data_in = &pkt_v4, + .data_size_in = sizeof(pkt_v4), + .repeat = 1 + ); + + skel = for_each_hash_modify__open_and_load(); + if (!ASSERT_OK_PTR(skel, "for_each_hash_modify__open_and_load")) + return; + + max_entries = bpf_map__max_entries(skel->maps.hashmap); + for (i = 0; i < max_entries; i++) { + key = i; + val = i; + err = bpf_map__update_elem(skel->maps.hashmap, &key, sizeof(key), + &val, sizeof(val), BPF_ANY); + if (!ASSERT_OK(err, "map_update")) + goto out; + } + + err = bpf_prog_test_run_opts(bpf_program__fd(skel->progs.test_pkt_access), &topts); + ASSERT_OK(err, "bpf_prog_test_run_opts"); + ASSERT_OK(topts.retval, "retval"); + +out: + for_each_hash_modify__destroy(skel); +} + void test_for_each(void) { if (test__start_subtest("hash_map")) @@ -213,4 +248,6 @@ void test_for_each(void) test_write_map_key(); if (test__start_subtest("multi_maps")) test_multi_maps(); + if (test__start_subtest("hash_modify")) + test_hash_modify(); } diff --git a/tools/testing/selftests/bpf/prog_tests/res_spin_lock.c b/tools/testing/selftests/bpf/prog_tests/res_spin_lock.c index 115287ba441b..0703e987df89 100644 --- a/tools/testing/selftests/bpf/prog_tests/res_spin_lock.c +++ b/tools/testing/selftests/bpf/prog_tests/res_spin_lock.c @@ -25,8 +25,11 @@ static void *spin_lock_thread(void *arg) while (!READ_ONCE(skip)) { err = bpf_prog_test_run_opts(prog_fd, &topts); - ASSERT_OK(err, "test_run"); - ASSERT_OK(topts.retval, "test_run retval"); + if (err || topts.retval) { + ASSERT_OK(err, "test_run"); + ASSERT_OK(topts.retval, "test_run retval"); + break; + } } pthread_exit(arg); } diff --git a/tools/testing/selftests/bpf/prog_tests/sockmap_ktls.c b/tools/testing/selftests/bpf/prog_tests/sockmap_ktls.c index 2d0796314862..0a99fd404f6d 100644 --- a/tools/testing/selftests/bpf/prog_tests/sockmap_ktls.c +++ b/tools/testing/selftests/bpf/prog_tests/sockmap_ktls.c @@ -68,7 +68,6 @@ static void test_sockmap_ktls_disconnect_after_delete(int family, int map) goto close_cli; err = disconnect(cli); - ASSERT_OK(err, "disconnect"); close_cli: close(cli); diff --git a/tools/testing/selftests/bpf/progs/bpf_misc.h b/tools/testing/selftests/bpf/progs/bpf_misc.h index 13a2e22f5465..863df7c0fdd0 100644 --- a/tools/testing/selftests/bpf/progs/bpf_misc.h +++ b/tools/testing/selftests/bpf/progs/bpf_misc.h @@ -221,7 +221,7 @@ #define CAN_USE_GOTOL #endif -#if _clang_major__ >= 18 +#if __clang_major__ >= 18 #define CAN_USE_BPF_ST #endif diff --git a/tools/testing/selftests/bpf/progs/for_each_hash_modify.c b/tools/testing/selftests/bpf/progs/for_each_hash_modify.c new file mode 100644 index 000000000000..82307166f789 --- /dev/null +++ b/tools/testing/selftests/bpf/progs/for_each_hash_modify.c @@ -0,0 +1,30 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright (c) 2025 Intel Corporation */ +#include "vmlinux.h" +#include <bpf/bpf_helpers.h> + +char _license[] SEC("license") = "GPL"; + +struct { + __uint(type, BPF_MAP_TYPE_HASH); + __uint(max_entries, 128); + __type(key, __u64); + __type(value, __u64); +} hashmap SEC(".maps"); + +static int cb(struct bpf_map *map, __u64 *key, __u64 *val, void *arg) +{ + bpf_map_delete_elem(map, key); + bpf_map_update_elem(map, key, val, 0); + return 0; +} + +SEC("tc") +int test_pkt_access(struct __sk_buff *skb) +{ + (void)skb; + + bpf_for_each_map_elem(&hashmap, cb, NULL, 0); + + return 0; +} diff --git a/tools/testing/selftests/bpf/progs/res_spin_lock.c b/tools/testing/selftests/bpf/progs/res_spin_lock.c index b33385dfbd35..22c4fb8b9266 100644 --- a/tools/testing/selftests/bpf/progs/res_spin_lock.c +++ b/tools/testing/selftests/bpf/progs/res_spin_lock.c @@ -38,13 +38,14 @@ int res_spin_lock_test(struct __sk_buff *ctx) r = bpf_res_spin_lock(&elem1->lock); if (r) return r; - if (!bpf_res_spin_lock(&elem2->lock)) { + r = bpf_res_spin_lock(&elem2->lock); + if (!r) { bpf_res_spin_unlock(&elem2->lock); bpf_res_spin_unlock(&elem1->lock); return -1; } bpf_res_spin_unlock(&elem1->lock); - return 0; + return r != -EDEADLK; } SEC("tc") @@ -124,12 +125,15 @@ int res_spin_lock_test_held_lock_max(struct __sk_buff *ctx) /* Trigger AA, after exhausting entries in the held lock table. This * time, only the timeout can save us, as AA detection won't succeed. */ - if (!bpf_res_spin_lock(locks[34])) { + ret = bpf_res_spin_lock(locks[34]); + if (!ret) { bpf_res_spin_unlock(locks[34]); ret = 1; goto end; } + ret = ret != -ETIMEDOUT ? 2 : 0; + end: for (i = i - 1; i >= 0; i--) bpf_res_spin_unlock(locks[i]); |