netdev - [PATCH bpf-next 1/4] selftests/bpf: test_progs: change formatting of the condenced output

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Date:   Wed, 14 Aug 2019 09:47:39 -0700
From:   Stanislav Fomichev <sdf@...gle.com>
To:     netdev@...r.kernel.org, bpf@...r.kernel.org
Cc:     davem@...emloft.net, ast@...nel.org, daniel@...earbox.net,
        Stanislav Fomichev <sdf@...gle.com>,
        Andrii Nakryiko <andriin@...com>
Subject: [PATCH bpf-next 1/4] selftests/bpf: test_progs: change formatting of
 the condenced output

This makes it visually simpler to follow the output.
Also, highlight with red color failures when outputting to tty.

Before:
  #1 attach_probe:FAIL
  #2 bpf_obj_id:OK
  #3/1 bpf_verif_scale:loop3.o:OK
  #3/2 bpf_verif_scale:test_verif_scale1.o:OK
  #3/3 bpf_verif_scale:test_verif_scale2.o:OK
  #3/4 bpf_verif_scale:test_verif_scale3.o:OK
  #3/5 bpf_verif_scale:pyperf50.o:OK
  #3/6 bpf_verif_scale:pyperf100.o:OK
  #3/7 bpf_verif_scale:pyperf180.o:OK
  #3/8 bpf_verif_scale:pyperf600.o:OK
  #3/9 bpf_verif_scale:pyperf600_nounroll.o:OK
  #3/10 bpf_verif_scale:loop1.o:OK
  #3/11 bpf_verif_scale:loop2.o:OK
  #3/12 bpf_verif_scale:loop4.o:OK
  #3/13 bpf_verif_scale:loop5.o:OK
  #3/14 bpf_verif_scale:strobemeta.o:OK
  #3/15 bpf_verif_scale:strobemeta_nounroll1.o:OK
  #3/16 bpf_verif_scale:strobemeta_nounroll2.o:OK
  #3/17 bpf_verif_scale:test_sysctl_loop1.o:OK
  #3/18 bpf_verif_scale:test_sysctl_loop2.o:OK
  #3/19 bpf_verif_scale:test_xdp_loop.o:OK
  #3/20 bpf_verif_scale:test_seg6_loop.o:OK
  #3 bpf_verif_scale:OK
  #4 flow_dissector:OK

After:
  #  1     FAIL attach_probe
  #  2       OK bpf_obj_id
  #  3/1     OK bpf_verif_scale:loop3.o
  #  3/2     OK bpf_verif_scale:test_verif_scale1.o
  #  3/3     OK bpf_verif_scale:test_verif_scale2.o
  #  3/4     OK bpf_verif_scale:test_verif_scale3.o
  #  3/5     OK bpf_verif_scale:pyperf50.o
  #  3/6     OK bpf_verif_scale:pyperf100.o
  #  3/7     OK bpf_verif_scale:pyperf180.o
  #  3/8     OK bpf_verif_scale:pyperf600.o
  #  3/9     OK bpf_verif_scale:pyperf600_nounroll.o
  #  3/10    OK bpf_verif_scale:loop1.o
  #  3/11    OK bpf_verif_scale:loop2.o
  #  3/12    OK bpf_verif_scale:loop4.o
  #  3/13    OK bpf_verif_scale:loop5.o
  #  3/14    OK bpf_verif_scale:strobemeta.o
  #  3/15    OK bpf_verif_scale:strobemeta_nounroll1.o
  #  3/16    OK bpf_verif_scale:strobemeta_nounroll2.o
  #  3/17    OK bpf_verif_scale:test_sysctl_loop1.o
  #  3/18    OK bpf_verif_scale:test_sysctl_loop2.o
  #  3/19    OK bpf_verif_scale:test_xdp_loop.o
  #  3/20    OK bpf_verif_scale:test_seg6_loop.o
  #  3       OK bpf_verif_scale
  #  4       OK flow_dissector

Cc: Andrii Nakryiko <andriin@...com>
Signed-off-by: Stanislav Fomichev <sdf@...gle.com>
---
 tools/testing/selftests/bpf/test_progs.c | 29 +++++++++++++++++++-----
 1 file changed, 23 insertions(+), 6 deletions(-)

diff --git a/tools/testing/selftests/bpf/test_progs.c b/tools/testing/selftests/bpf/test_progs.c
index 12895d03d58b..1a7a2a0c0a11 100644
--- a/tools/testing/selftests/bpf/test_progs.c
+++ b/tools/testing/selftests/bpf/test_progs.c
@@ -56,6 +56,21 @@ static void dump_test_log(const struct prog_test_def *test, bool failed)
 	fseeko(stdout, 0, SEEK_SET); /* rewind */
 }
 
+static const char *test_status_string(bool success)
+{
+#define COLOR_RED	"\033[31m"
+#define COLOR_RESET	"\033[m"
+	if (success)
+		return "OK";
+
+	if (isatty(fileno(env.stdout)))
+		return COLOR_RED "FAIL" COLOR_RESET;
+	else
+		return "FAIL";
+#undef COLOR_RED
+#undef COLOR_RESET
+}
+
 void test__end_subtest()
 {
 	struct prog_test_def *test = env.test;
@@ -68,9 +83,10 @@ void test__end_subtest()
 
 	dump_test_log(test, sub_error_cnt);
 
-	fprintf(env.stdout, "#%d/%d %s:%s\n",
-	       test->test_num, test->subtest_num,
-	       test->subtest_name, sub_error_cnt ? "FAIL" : "OK");
+	fprintf(env.stdout, "#%3d/%-3d %4s %s:%s\n",
+		test->test_num, test->subtest_num,
+		test_status_string(test->fail_cnt == 0),
+		test->test_name, test->subtest_name);
 }
 
 bool test__start_subtest(const char *name)
@@ -513,9 +529,10 @@ int main(int argc, char **argv)
 
 		dump_test_log(test, test->error_cnt);
 
-		fprintf(env.stdout, "#%d %s:%s\n",
-			test->test_num, test->test_name,
-			test->error_cnt ? "FAIL" : "OK");
+		fprintf(env.stdout, "#%3d     %4s %s\n",
+			test->test_num,
+			test_status_string(test->fail_cnt == 0),
+			test->test_name);
 	}
 	stdio_restore();
 	printf("Summary: %d/%d PASSED, %d FAILED\n",
-- 
2.23.0.rc1.153.gdeed80330f-goog