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Diffstat (limited to 'samples/bpf/map_perf_test_kern.c')
-rw-r--r--samples/bpf/map_perf_test_kern.c249
1 files changed, 0 insertions, 249 deletions
diff --git a/samples/bpf/map_perf_test_kern.c b/samples/bpf/map_perf_test_kern.c
deleted file mode 100644
index 245165817fbe..000000000000
--- a/samples/bpf/map_perf_test_kern.c
+++ /dev/null
@@ -1,249 +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 <linux/skbuff.h>
-#include <linux/netdevice.h>
-#include <linux/version.h>
-#include <uapi/linux/bpf.h>
-#include "bpf_helpers.h"
-
-#define MAX_ENTRIES 1000
-#define MAX_NR_CPUS 1024
-
-struct bpf_map_def SEC("maps") hash_map = {
- .type = BPF_MAP_TYPE_HASH,
- .key_size = sizeof(u32),
- .value_size = sizeof(long),
- .max_entries = MAX_ENTRIES,
-};
-
-struct bpf_map_def SEC("maps") lru_hash_map = {
- .type = BPF_MAP_TYPE_LRU_HASH,
- .key_size = sizeof(u32),
- .value_size = sizeof(long),
- .max_entries = 10000,
-};
-
-struct bpf_map_def SEC("maps") nocommon_lru_hash_map = {
- .type = BPF_MAP_TYPE_LRU_HASH,
- .key_size = sizeof(u32),
- .value_size = sizeof(long),
- .max_entries = 10000,
- .map_flags = BPF_F_NO_COMMON_LRU,
-};
-
-struct bpf_map_def SEC("maps") inner_lru_hash_map = {
- .type = BPF_MAP_TYPE_LRU_HASH,
- .key_size = sizeof(u32),
- .value_size = sizeof(long),
- .max_entries = MAX_ENTRIES,
-};
-
-struct bpf_map_def SEC("maps") array_of_lru_hashs = {
- .type = BPF_MAP_TYPE_ARRAY_OF_MAPS,
- .key_size = sizeof(u32),
- .max_entries = MAX_NR_CPUS,
-};
-
-struct bpf_map_def SEC("maps") percpu_hash_map = {
- .type = BPF_MAP_TYPE_PERCPU_HASH,
- .key_size = sizeof(u32),
- .value_size = sizeof(long),
- .max_entries = MAX_ENTRIES,
-};
-
-struct bpf_map_def SEC("maps") hash_map_alloc = {
- .type = BPF_MAP_TYPE_HASH,
- .key_size = sizeof(u32),
- .value_size = sizeof(long),
- .max_entries = MAX_ENTRIES,
- .map_flags = BPF_F_NO_PREALLOC,
-};
-
-struct bpf_map_def SEC("maps") percpu_hash_map_alloc = {
- .type = BPF_MAP_TYPE_PERCPU_HASH,
- .key_size = sizeof(u32),
- .value_size = sizeof(long),
- .max_entries = MAX_ENTRIES,
- .map_flags = BPF_F_NO_PREALLOC,
-};
-
-struct bpf_map_def SEC("maps") lpm_trie_map_alloc = {
- .type = BPF_MAP_TYPE_LPM_TRIE,
- .key_size = 8,
- .value_size = sizeof(long),
- .max_entries = 10000,
- .map_flags = BPF_F_NO_PREALLOC,
-};
-
-struct bpf_map_def SEC("maps") array_map = {
- .type = BPF_MAP_TYPE_ARRAY,
- .key_size = sizeof(u32),
- .value_size = sizeof(long),
- .max_entries = MAX_ENTRIES,
-};
-
-SEC("kprobe/sys_getuid")
-int stress_hmap(struct pt_regs *ctx)
-{
- u32 key = bpf_get_current_pid_tgid();
- long init_val = 1;
- long *value;
-
- 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("kprobe/sys_geteuid")
-int stress_percpu_hmap(struct pt_regs *ctx)
-{
- u32 key = bpf_get_current_pid_tgid();
- long init_val = 1;
- long *value;
-
- 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("kprobe/sys_getgid")
-int stress_hmap_alloc(struct pt_regs *ctx)
-{
- u32 key = bpf_get_current_pid_tgid();
- long init_val = 1;
- long *value;
-
- 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("kprobe/sys_getegid")
-int stress_percpu_hmap_alloc(struct pt_regs *ctx)
-{
- u32 key = bpf_get_current_pid_tgid();
- long init_val = 1;
- long *value;
-
- 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("kprobe/sys_connect")
-int stress_lru_hmap_alloc(struct pt_regs *ctx)
-{
- struct sockaddr_in6 *in6;
- u16 test_case, dst6[8];
- int addrlen, ret;
- char fmt[] = "Failed at stress_lru_hmap_alloc. ret:%d\n";
- long val = 1;
- u32 key = bpf_get_prandom_u32();
-
- in6 = (struct sockaddr_in6 *)PT_REGS_PARM2(ctx);
- addrlen = (int)PT_REGS_PARM3(ctx);
-
- if (addrlen != sizeof(*in6))
- return 0;
-
- ret = bpf_probe_read(dst6, sizeof(dst6), &in6->sin6_addr);
- if (ret)
- goto done;
-
- if (dst6[0] != 0xdead || dst6[1] != 0xbeef)
- return 0;
-
- test_case = dst6[7];
-
- 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 {
- ret = -EINVAL;
- }
-
-done:
- if (ret)
- bpf_trace_printk(fmt, sizeof(fmt), ret);
-
- return 0;
-}
-
-SEC("kprobe/sys_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("kprobe/sys_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("kprobe/sys_getpgrp")
-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;