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Subject[PATCH bpf-next] bpf: test_bpf: Print total time of test in the summary
Date
The total time of test is useful to compare the performance
when bpf_jit_enable is 0 or 1, so print it in the summary.

Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
---
lib/test_bpf.c | 27 +++++++++++++++++++++------
1 file changed, 21 insertions(+), 6 deletions(-)

diff --git a/lib/test_bpf.c b/lib/test_bpf.c
index 830a18e..b1b17ba 100644
--- a/lib/test_bpf.c
+++ b/lib/test_bpf.c
@@ -8920,6 +8920,9 @@ static __init int test_skb_segment_single(const struct skb_segment_test *test)
static __init int test_skb_segment(void)
{
int i, err_cnt = 0, pass_cnt = 0;
+ u64 start, finish;
+
+ start = ktime_get_ns();

for (i = 0; i < ARRAY_SIZE(skb_segment_tests); i++) {
const struct skb_segment_test *test = &skb_segment_tests[i];
@@ -8935,8 +8938,10 @@ static __init int test_skb_segment(void)
}
}

- pr_info("%s: Summary: %d PASSED, %d FAILED\n", __func__,
- pass_cnt, err_cnt);
+ finish = ktime_get_ns();
+
+ pr_info("%s: Summary: %d PASSED, %d FAILED in %llu nsec\n",
+ __func__, pass_cnt, err_cnt, finish - start);
return err_cnt ? -EINVAL : 0;
}

@@ -8944,6 +8949,9 @@ static __init int test_bpf(void)
{
int i, err_cnt = 0, pass_cnt = 0;
int jit_cnt = 0, run_cnt = 0;
+ u64 start, finish;
+
+ start = ktime_get_ns();

for (i = 0; i < ARRAY_SIZE(tests); i++) {
struct bpf_prog *fp;
@@ -8983,8 +8991,10 @@ static __init int test_bpf(void)
}
}

- pr_info("Summary: %d PASSED, %d FAILED, [%d/%d JIT'ed]\n",
- pass_cnt, err_cnt, jit_cnt, run_cnt);
+ finish = ktime_get_ns();
+
+ pr_info("Summary: %d PASSED, %d FAILED, [%d/%d JIT'ed] in %llu nsec\n",
+ pass_cnt, err_cnt, jit_cnt, run_cnt, finish - start);

return err_cnt ? -EINVAL : 0;
}
@@ -9192,6 +9202,9 @@ static __init int test_tail_calls(struct bpf_array *progs)
{
int i, err_cnt = 0, pass_cnt = 0;
int jit_cnt = 0, run_cnt = 0;
+ u64 start, finish;
+
+ start = ktime_get_ns();

for (i = 0; i < ARRAY_SIZE(tail_call_tests); i++) {
struct tail_call_test *test = &tail_call_tests[i];
@@ -9222,8 +9235,10 @@ static __init int test_tail_calls(struct bpf_array *progs)
}
}

- pr_info("%s: Summary: %d PASSED, %d FAILED, [%d/%d JIT'ed]\n",
- __func__, pass_cnt, err_cnt, jit_cnt, run_cnt);
+ finish = ktime_get_ns();
+
+ pr_info("%s: Summary: %d PASSED, %d FAILED, [%d/%d JIT'ed] in %llu nsec\n",
+ __func__, pass_cnt, err_cnt, jit_cnt, run_cnt, finish - start);

return err_cnt ? -EINVAL : 0;
}
--
2.1.0
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