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Diffstat (limited to 'samples/bpf/map_perf_test_kern.c')
-rw-r--r--samples/bpf/map_perf_test_kern.c301
1 files changed, 0 insertions, 301 deletions
diff --git a/samples/bpf/map_perf_test_kern.c b/samples/bpf/map_perf_test_kern.c
deleted file mode 100644
index 0c7885057ffe..000000000000
--- a/samples/bpf/map_perf_test_kern.c
+++ /dev/null
@@ -1,301 +0,0 @@
-/* Copyright (c) 2016 Facebook
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU General Public
- * License as published by the Free Software Foundation.
- */
-#include "vmlinux.h"
-#include <errno.h>
-#include <linux/version.h>
-#include <bpf/bpf_helpers.h>
-#include <bpf/bpf_tracing.h>
-#include <bpf/bpf_core_read.h>
-
-#define MAX_ENTRIES 1000
-#define MAX_NR_CPUS 1024
-
-struct {
- __uint(type, BPF_MAP_TYPE_HASH);
- __type(key, u32);
- __type(value, long);
- __uint(max_entries, MAX_ENTRIES);
-} hash_map SEC(".maps");
-
-struct {
- __uint(type, BPF_MAP_TYPE_LRU_HASH);
- __type(key, u32);
- __type(value, long);
- __uint(max_entries, 10000);
-} lru_hash_map SEC(".maps");
-
-struct {
- __uint(type, BPF_MAP_TYPE_LRU_HASH);
- __type(key, u32);
- __type(value, long);
- __uint(max_entries, 10000);
- __uint(map_flags, BPF_F_NO_COMMON_LRU);
-} nocommon_lru_hash_map SEC(".maps");
-
-struct inner_lru {
- __uint(type, BPF_MAP_TYPE_LRU_HASH);
- __type(key, u32);
- __type(value, long);
- __uint(max_entries, MAX_ENTRIES);
- __uint(map_flags, BPF_F_NUMA_NODE);
- __uint(numa_node, 0);
-} inner_lru_hash_map SEC(".maps");
-
-struct {
- __uint(type, BPF_MAP_TYPE_ARRAY_OF_MAPS);
- __uint(max_entries, MAX_NR_CPUS);
- __uint(key_size, sizeof(u32));
- __array(values, struct inner_lru); /* use inner_lru as inner map */
-} array_of_lru_hashs SEC(".maps") = {
- /* statically initialize the first element */
- .values = { &inner_lru_hash_map },
-};
-
-struct {
- __uint(type, BPF_MAP_TYPE_PERCPU_HASH);
- __uint(key_size, sizeof(u32));
- __uint(value_size, sizeof(long));
- __uint(max_entries, MAX_ENTRIES);
-} percpu_hash_map SEC(".maps");
-
-struct {
- __uint(type, BPF_MAP_TYPE_HASH);
- __type(key, u32);
- __type(value, long);
- __uint(max_entries, MAX_ENTRIES);
- __uint(map_flags, BPF_F_NO_PREALLOC);
-} hash_map_alloc SEC(".maps");
-
-struct {
- __uint(type, BPF_MAP_TYPE_PERCPU_HASH);
- __uint(key_size, sizeof(u32));
- __uint(value_size, sizeof(long));
- __uint(max_entries, MAX_ENTRIES);
- __uint(map_flags, BPF_F_NO_PREALLOC);
-} percpu_hash_map_alloc SEC(".maps");
-
-struct {
- __uint(type, BPF_MAP_TYPE_LPM_TRIE);
- __uint(key_size, 8);
- __uint(value_size, sizeof(long));
- __uint(max_entries, 10000);
- __uint(map_flags, BPF_F_NO_PREALLOC);
-} lpm_trie_map_alloc SEC(".maps");
-
-struct {
- __uint(type, BPF_MAP_TYPE_ARRAY);
- __type(key, u32);
- __type(value, long);
- __uint(max_entries, MAX_ENTRIES);
-} array_map SEC(".maps");
-
-struct {
- __uint(type, BPF_MAP_TYPE_LRU_HASH);
- __type(key, u32);
- __type(value, long);
- __uint(max_entries, MAX_ENTRIES);
-} lru_hash_lookup_map SEC(".maps");
-
-SEC("ksyscall/getuid")
-int stress_hmap(struct pt_regs *ctx)
-{
- u32 key = bpf_get_current_pid_tgid();
- long init_val = 1;
- long *value;
- int i;
-
- for (i = 0; i < 10; i++) {
- bpf_map_update_elem(&hash_map, &key, &init_val, BPF_ANY);
- value = bpf_map_lookup_elem(&hash_map, &key);
- if (value)
- bpf_map_delete_elem(&hash_map, &key);
- }
-
- return 0;
-}
-
-SEC("ksyscall/geteuid")
-int stress_percpu_hmap(struct pt_regs *ctx)
-{
- u32 key = bpf_get_current_pid_tgid();
- long init_val = 1;
- long *value;
- int i;
-
- for (i = 0; i < 10; i++) {
- bpf_map_update_elem(&percpu_hash_map, &key, &init_val, BPF_ANY);
- value = bpf_map_lookup_elem(&percpu_hash_map, &key);
- if (value)
- bpf_map_delete_elem(&percpu_hash_map, &key);
- }
- return 0;
-}
-
-SEC("ksyscall/getgid")
-int stress_hmap_alloc(struct pt_regs *ctx)
-{
- u32 key = bpf_get_current_pid_tgid();
- long init_val = 1;
- long *value;
- int i;
-
- for (i = 0; i < 10; i++) {
- bpf_map_update_elem(&hash_map_alloc, &key, &init_val, BPF_ANY);
- value = bpf_map_lookup_elem(&hash_map_alloc, &key);
- if (value)
- bpf_map_delete_elem(&hash_map_alloc, &key);
- }
- return 0;
-}
-
-SEC("ksyscall/getegid")
-int stress_percpu_hmap_alloc(struct pt_regs *ctx)
-{
- u32 key = bpf_get_current_pid_tgid();
- long init_val = 1;
- long *value;
- int i;
-
- for (i = 0; i < 10; i++) {
- bpf_map_update_elem(&percpu_hash_map_alloc, &key, &init_val, BPF_ANY);
- value = bpf_map_lookup_elem(&percpu_hash_map_alloc, &key);
- if (value)
- bpf_map_delete_elem(&percpu_hash_map_alloc, &key);
- }
- return 0;
-}
-
-SEC("ksyscall/connect")
-int stress_lru_hmap_alloc(struct pt_regs *ctx)
-{
- struct pt_regs *real_regs = (struct pt_regs *)PT_REGS_PARM1_CORE(ctx);
- char fmt[] = "Failed at stress_lru_hmap_alloc. ret:%dn";
- union {
- u16 dst6[8];
- struct {
- u16 magic0;
- u16 magic1;
- u16 tcase;
- u16 unused16;
- u32 unused32;
- u32 key;
- };
- } test_params;
- struct sockaddr_in6 *in6;
- u16 test_case;
- int addrlen, ret;
- long val = 1;
- u32 key = 0;
-
- in6 = (struct sockaddr_in6 *)PT_REGS_PARM2_CORE(real_regs);
- addrlen = (int)PT_REGS_PARM3_CORE(real_regs);
-
- if (addrlen != sizeof(*in6))
- return 0;
-
- ret = bpf_probe_read_user(test_params.dst6, sizeof(test_params.dst6),
- &in6->sin6_addr);
- if (ret)
- goto done;
-
- if (test_params.magic0 != 0xdead ||
- test_params.magic1 != 0xbeef)
- return 0;
-
- test_case = test_params.tcase;
- if (test_case != 3)
- key = bpf_get_prandom_u32();
-
- if (test_case == 0) {
- ret = bpf_map_update_elem(&lru_hash_map, &key, &val, BPF_ANY);
- } else if (test_case == 1) {
- ret = bpf_map_update_elem(&nocommon_lru_hash_map, &key, &val,
- BPF_ANY);
- } else if (test_case == 2) {
- void *nolocal_lru_map;
- int cpu = bpf_get_smp_processor_id();
-
- nolocal_lru_map = bpf_map_lookup_elem(&array_of_lru_hashs,
- &cpu);
- if (!nolocal_lru_map) {
- ret = -ENOENT;
- goto done;
- }
-
- ret = bpf_map_update_elem(nolocal_lru_map, &key, &val,
- BPF_ANY);
- } else if (test_case == 3) {
- u32 i;
-
- key = test_params.key;
-
-#pragma clang loop unroll(full)
- for (i = 0; i < 32; i++) {
- bpf_map_lookup_elem(&lru_hash_lookup_map, &key);
- key++;
- }
- } else {
- ret = -EINVAL;
- }
-
-done:
- if (ret)
- bpf_trace_printk(fmt, sizeof(fmt), ret);
-
- return 0;
-}
-
-SEC("ksyscall/gettid")
-int stress_lpm_trie_map_alloc(struct pt_regs *ctx)
-{
- union {
- u32 b32[2];
- u8 b8[8];
- } key;
- unsigned int i;
-
- key.b32[0] = 32;
- key.b8[4] = 192;
- key.b8[5] = 168;
- key.b8[6] = 0;
- key.b8[7] = 1;
-
-#pragma clang loop unroll(full)
- for (i = 0; i < 32; ++i)
- bpf_map_lookup_elem(&lpm_trie_map_alloc, &key);
-
- return 0;
-}
-
-SEC("ksyscall/getpgid")
-int stress_hash_map_lookup(struct pt_regs *ctx)
-{
- u32 key = 1, i;
- long *value;
-
-#pragma clang loop unroll(full)
- for (i = 0; i < 64; ++i)
- value = bpf_map_lookup_elem(&hash_map, &key);
-
- return 0;
-}
-
-SEC("ksyscall/getppid")
-int stress_array_map_lookup(struct pt_regs *ctx)
-{
- u32 key = 1, i;
- long *value;
-
-#pragma clang loop unroll(full)
- for (i = 0; i < 64; ++i)
- value = bpf_map_lookup_elem(&array_map, &key);
-
- return 0;
-}
-
-char _license[] SEC("license") = "GPL";
-u32 _version SEC("version") = LINUX_VERSION_CODE;