diff options
Diffstat (limited to 'tools/testing/selftests/bpf/prog_tests/fexit_stress.c')
| -rw-r--r-- | tools/testing/selftests/bpf/prog_tests/fexit_stress.c | 22 |
1 files changed, 14 insertions, 8 deletions
diff --git a/tools/testing/selftests/bpf/prog_tests/fexit_stress.c b/tools/testing/selftests/bpf/prog_tests/fexit_stress.c index 5a7e6011f6bf..596536def43d 100644 --- a/tools/testing/selftests/bpf/prog_tests/fexit_stress.c +++ b/tools/testing/selftests/bpf/prog_tests/fexit_stress.c @@ -2,14 +2,19 @@ /* Copyright (c) 2019 Facebook */ #include <test_progs.h> -/* that's kernel internal BPF_MAX_TRAMP_PROGS define */ -#define CNT 38 - void serial_test_fexit_stress(void) { - int fexit_fd[CNT] = {}; - int link_fd[CNT] = {}; - int err, i; + int bpf_max_tramp_links, err, i; + int *fd, *fexit_fd, *link_fd; + + bpf_max_tramp_links = get_bpf_max_tramp_links(); + if (!ASSERT_GE(bpf_max_tramp_links, 1, "bpf_max_tramp_links")) + return; + fd = calloc(bpf_max_tramp_links * 2, sizeof(*fd)); + if (!ASSERT_OK_PTR(fd, "fd")) + return; + fexit_fd = fd; + link_fd = fd + bpf_max_tramp_links; const struct bpf_insn trace_program[] = { BPF_MOV64_IMM(BPF_REG_0, 0), @@ -28,7 +33,7 @@ void serial_test_fexit_stress(void) goto out; trace_opts.attach_btf_id = err; - for (i = 0; i < CNT; i++) { + for (i = 0; i < bpf_max_tramp_links; i++) { fexit_fd[i] = bpf_prog_load(BPF_PROG_TYPE_TRACING, NULL, "GPL", trace_program, sizeof(trace_program) / sizeof(struct bpf_insn), @@ -44,10 +49,11 @@ void serial_test_fexit_stress(void) ASSERT_OK(err, "bpf_prog_test_run_opts"); out: - for (i = 0; i < CNT; i++) { + for (i = 0; i < bpf_max_tramp_links; i++) { if (link_fd[i]) close(link_fd[i]); if (fexit_fd[i]) close(fexit_fd[i]); } + free(fd); } |