#include "find_vma_fail1.skel.h"
#include "find_vma_fail2.skel.h"
-static void test_and_reset_skel(struct find_vma *skel, int expected_find_zero_ret)
+static void test_and_reset_skel(struct find_vma *skel, int expected_find_zero_ret, bool need_test)
{
- ASSERT_EQ(skel->bss->found_vm_exec, 1, "found_vm_exec");
- ASSERT_EQ(skel->data->find_addr_ret, 0, "find_addr_ret");
- ASSERT_EQ(skel->data->find_zero_ret, expected_find_zero_ret, "find_zero_ret");
- ASSERT_OK_PTR(strstr(skel->bss->d_iname, "test_progs"), "find_test_progs");
+ if (need_test) {
+ ASSERT_EQ(skel->bss->found_vm_exec, 1, "found_vm_exec");
+ ASSERT_EQ(skel->data->find_addr_ret, 0, "find_addr_ret");
+ ASSERT_EQ(skel->data->find_zero_ret, expected_find_zero_ret, "find_zero_ret");
+ ASSERT_OK_PTR(strstr(skel->bss->d_iname, "test_progs"), "find_test_progs");
+ }
skel->bss->found_vm_exec = 0;
skel->data->find_addr_ret = -1;
return pfd >= 0 ? pfd : -errno;
}
+static bool find_vma_pe_condition(struct find_vma *skel)
+{
+ return skel->bss->found_vm_exec == 0 ||
+ skel->data->find_addr_ret != 0 ||
+ skel->data->find_zero_ret == -1 ||
+ strcmp(skel->bss->d_iname, "test_progs") != 0;
+}
+
static void test_find_vma_pe(struct find_vma *skel)
{
struct bpf_link *link = NULL;
volatile int j = 0;
int pfd, i;
+ const int one_bn = 1000000000;
pfd = open_pe();
if (pfd < 0) {
if (!ASSERT_OK_PTR(link, "attach_perf_event"))
goto cleanup;
- for (i = 0; i < 1000000; ++i)
+ for (i = 0; i < one_bn && find_vma_pe_condition(skel); ++i)
++j;
- test_and_reset_skel(skel, -EBUSY /* in nmi, irq_work is busy */);
+ test_and_reset_skel(skel, -EBUSY /* in nmi, irq_work is busy */, i == one_bn);
cleanup:
bpf_link__destroy(link);
close(pfd);
return;
getpgid(skel->bss->target_pid);
- test_and_reset_skel(skel, -ENOENT /* could not find vma for ptr 0 */);
+ test_and_reset_skel(skel, -ENOENT /* could not find vma for ptr 0 */, true);
}
static void test_illegal_write_vma(void)
skel->bss->addr = (__u64)(uintptr_t)test_find_vma_pe;
test_find_vma_pe(skel);
- usleep(100000); /* allow the irq_work to finish */
test_find_vma_kprobe(skel);
find_vma__destroy(skel);