ASR_BASE
Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/marvell/linux/samples/bpf/map_perf_test_kern.c b/marvell/linux/samples/bpf/map_perf_test_kern.c
new file mode 100644
index 0000000..2b2ffb9
--- /dev/null
+++ b/marvell/linux/samples/bpf/map_perf_test_kern.c
@@ -0,0 +1,283 @@
+/* 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,
+ .map_flags = BPF_F_NUMA_NODE,
+ .numa_node = 0,
+};
+
+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,
+};
+
+struct bpf_map_def SEC("maps") lru_hash_lookup_map = {
+ .type = BPF_MAP_TYPE_LRU_HASH,
+ .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)
+{
+ 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(ctx);
+ addrlen = (int)PT_REGS_PARM3(ctx);
+
+ if (addrlen != sizeof(*in6))
+ return 0;
+
+ ret = bpf_probe_read(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("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_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;