[PATCH bpf-next] bpf: test_bpf: Print total time of test in the summary
From: Tiezhu Yang <yangtiezhu@loongson.cn>
Date: 2021-08-21 12:14:18
Also in:
bpf, lkml
Subsystem:
bpf [general] (safe dynamic programs and tools), library code, the rest · Maintainers:
Alexei Starovoitov, Daniel Borkmann, Andrii Nakryiko, Eduard Zingerman, Kumar Kartikeya Dwivedi, Andrew Morton, Linus Torvalds
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