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authorMartin KaFai Lau <[email protected]>2017-08-18 18:28:01 +0000
committerDavid S. Miller <[email protected]>2017-08-20 04:35:43 +0000
commitad17d0e6c708805bf9e6686eb747cc528b702e67 (patch)
treed6350b4b468bb9ca5ebb40f73758af26ec36082f /samples/bpf/map_perf_test_user.c
parentbpf: Allow selecting numa node during map creation (diff)
downloadkernel-ad17d0e6c708805bf9e6686eb747cc528b702e67.tar.gz
kernel-ad17d0e6c708805bf9e6686eb747cc528b702e67.zip
bpf: Allow numa selection in INNER_LRU_HASH_PREALLOC test of map_perf_test
This patch makes the needed changes to allow each process of the INNER_LRU_HASH_PREALLOC test to provide its numa node id when creating the lru map. Signed-off-by: Martin KaFai Lau <[email protected]> Acked-by: Daniel Borkmann <[email protected]> Acked-by: Alexei Starovoitov <[email protected]> Signed-off-by: David S. Miller <[email protected]>
Diffstat (limited to 'samples/bpf/map_perf_test_user.c')
-rw-r--r--samples/bpf/map_perf_test_user.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/samples/bpf/map_perf_test_user.c b/samples/bpf/map_perf_test_user.c
index 1a8894b5ac51..bccbf8478e43 100644
--- a/samples/bpf/map_perf_test_user.c
+++ b/samples/bpf/map_perf_test_user.c
@@ -97,14 +97,20 @@ static void do_test_lru(enum test_type test, int cpu)
if (test == INNER_LRU_HASH_PREALLOC) {
int outer_fd = map_fd[array_of_lru_hashs_idx];
+ unsigned int mycpu, mynode;
assert(cpu < MAX_NR_CPUS);
if (cpu) {
+ ret = syscall(__NR_getcpu, &mycpu, &mynode, NULL);
+ assert(!ret);
+
inner_lru_map_fds[cpu] =
- bpf_create_map(BPF_MAP_TYPE_LRU_HASH,
- sizeof(uint32_t), sizeof(long),
- inner_lru_hash_size, 0);
+ bpf_create_map_node(BPF_MAP_TYPE_LRU_HASH,
+ sizeof(uint32_t),
+ sizeof(long),
+ inner_lru_hash_size, 0,
+ mynode);
if (inner_lru_map_fds[cpu] == -1) {
printf("cannot create BPF_MAP_TYPE_LRU_HASH %s(%d)\n",
strerror(errno), errno);