diff options
Diffstat (limited to 'samples/bpf/map_perf_test_kern.c')
| -rw-r--r-- | samples/bpf/map_perf_test_kern.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/samples/bpf/map_perf_test_kern.c b/samples/bpf/map_perf_test_kern.c index 311538e5a701..7ee1574c8ccf 100644 --- a/samples/bpf/map_perf_test_kern.c +++ b/samples/bpf/map_perf_test_kern.c @@ -19,6 +19,21 @@ struct bpf_map_def SEC("maps") hash_map = { .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") percpu_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") percpu_hash_map = { .type = BPF_MAP_TYPE_PERCPU_HASH, .key_size = sizeof(u32), @@ -53,6 +68,7 @@ int stress_hmap(struct pt_regs *ctx) value = bpf_map_lookup_elem(&hash_map, &key); if (value) bpf_map_delete_elem(&hash_map, &key); + return 0; } @@ -96,5 +112,28 @@ int stress_percpu_hmap_alloc(struct pt_regs *ctx) bpf_map_delete_elem(&percpu_hash_map_alloc, &key); return 0; } + +SEC("kprobe/sys_getpid") +int stress_lru_hmap_alloc(struct pt_regs *ctx) +{ + u32 key = bpf_get_prandom_u32(); + long val = 1; + + bpf_map_update_elem(&lru_hash_map, &key, &val, BPF_ANY); + + return 0; +} + +SEC("kprobe/sys_getppid") +int stress_percpu_lru_hmap_alloc(struct pt_regs *ctx) +{ + u32 key = bpf_get_prandom_u32(); + long val = 1; + + bpf_map_update_elem(&percpu_lru_hash_map, &key, &val, BPF_ANY); + + return 0; +} + char _license[] SEC("license") = "GPL"; u32 _version SEC("version") = LINUX_VERSION_CODE; |