Searched refs:kernstack (Results 1 - 2 of 2) sorted by relevance

/linux-master/samples/bpf/
H A Dtrace_event_kern.c16 u32 kernstack; member in struct:key_t
54 key.kernstack = bpf_get_stackid(ctx, &stackmap, KERN_STACKID_FLAGS);
56 if ((int)key.kernstack < 0 && (int)key.userstack < 0) {
H A Dtrace_event_user.c57 __u32 kernstack; member in struct:key_t
68 if (bpf_map_lookup_elem(map_fd[1], &key->kernstack, ip) != 0) {
86 if (key->kernstack == -EEXIST && !warned) {
89 } else if ((int)key->kernstack < 0 && (int)key->userstack < 0) {
90 printf("err stackid %d %d\n", key->kernstack, key->userstack);

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