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authorMichael Ellerman <michael@ellerman.id.au>2013-08-06 03:42:36 -0400
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2013-08-14 00:57:07 -0400
commit2fae0d7ced53ef2e7b4d87d84986ec3ff7cf798f (patch)
treee8ed1accab4920d9e2256f7c9d96f52989d897b3 /tools
parent0e56dacdda49940ff6e24e504f11468a27922416 (diff)
selftests: Add support files for powerpc tests
This commit adds support code used by upcoming powerpc tests. Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'tools')
-rw-r--r--tools/testing/selftests/powerpc/harness.c105
-rw-r--r--tools/testing/selftests/powerpc/subunit.h47
-rw-r--r--tools/testing/selftests/powerpc/utils.h34
3 files changed, 186 insertions, 0 deletions
diff --git a/tools/testing/selftests/powerpc/harness.c b/tools/testing/selftests/powerpc/harness.c
new file mode 100644
index 000000000000..e80c42a584fe
--- /dev/null
+++ b/tools/testing/selftests/powerpc/harness.c
@@ -0,0 +1,105 @@
1/*
2 * Copyright 2013, Michael Ellerman, IBM Corp.
3 * Licensed under GPLv2.
4 */
5
6#include <errno.h>
7#include <signal.h>
8#include <stdbool.h>
9#include <stdio.h>
10#include <stdlib.h>
11#include <sys/types.h>
12#include <sys/wait.h>
13#include <unistd.h>
14
15#include "subunit.h"
16#include "utils.h"
17
18#define TIMEOUT 120
19#define KILL_TIMEOUT 5
20
21
22int run_test(int (test_function)(void), char *name)
23{
24 bool terminated;
25 int rc, status;
26 pid_t pid;
27
28 /* Make sure output is flushed before forking */
29 fflush(stdout);
30
31 pid = fork();
32 if (pid == 0) {
33 exit(test_function());
34 } else if (pid == -1) {
35 perror("fork");
36 return 1;
37 }
38
39 /* Wake us up in timeout seconds */
40 alarm(TIMEOUT);
41 terminated = false;
42
43wait:
44 rc = waitpid(pid, &status, 0);
45 if (rc == -1) {
46 if (errno != EINTR) {
47 printf("unknown error from waitpid\n");
48 return 1;
49 }
50
51 if (terminated) {
52 printf("!! force killing %s\n", name);
53 kill(pid, SIGKILL);
54 return 1;
55 } else {
56 printf("!! killing %s\n", name);
57 kill(pid, SIGTERM);
58 terminated = true;
59 alarm(KILL_TIMEOUT);
60 goto wait;
61 }
62 }
63
64 if (WIFEXITED(status))
65 status = WEXITSTATUS(status);
66 else {
67 if (WIFSIGNALED(status))
68 printf("!! child died by signal %d\n", WTERMSIG(status));
69 else
70 printf("!! child died by unknown cause\n");
71
72 status = 1; /* Signal or other */
73 }
74
75 return status;
76}
77
78static void alarm_handler(int signum)
79{
80 /* Jut wake us up from waitpid */
81}
82
83static struct sigaction alarm_action = {
84 .sa_handler = alarm_handler,
85};
86
87int test_harness(int (test_function)(void), char *name)
88{
89 int rc;
90
91 test_start(name);
92 test_set_git_version(GIT_VERSION);
93
94 if (sigaction(SIGALRM, &alarm_action, NULL)) {
95 perror("sigaction");
96 test_error(name);
97 return 1;
98 }
99
100 rc = run_test(test_function, name);
101
102 test_finish(name, rc);
103
104 return rc;
105}
diff --git a/tools/testing/selftests/powerpc/subunit.h b/tools/testing/selftests/powerpc/subunit.h
new file mode 100644
index 000000000000..98a22920792d
--- /dev/null
+++ b/tools/testing/selftests/powerpc/subunit.h
@@ -0,0 +1,47 @@
1/*
2 * Copyright 2013, Michael Ellerman, IBM Corp.
3 * Licensed under GPLv2.
4 */
5
6#ifndef _SELFTESTS_POWERPC_SUBUNIT_H
7#define _SELFTESTS_POWERPC_SUBUNIT_H
8
9static inline void test_start(char *name)
10{
11 printf("test: %s\n", name);
12}
13
14static inline void test_failure_detail(char *name, char *detail)
15{
16 printf("failure: %s [%s]\n", name, detail);
17}
18
19static inline void test_failure(char *name)
20{
21 printf("failure: %s\n", name);
22}
23
24static inline void test_error(char *name)
25{
26 printf("error: %s\n", name);
27}
28
29static inline void test_success(char *name)
30{
31 printf("success: %s\n", name);
32}
33
34static inline void test_finish(char *name, int status)
35{
36 if (status)
37 test_failure(name);
38 else
39 test_success(name);
40}
41
42static inline void test_set_git_version(char *value)
43{
44 printf("tags: git_version:%s\n", value);
45}
46
47#endif /* _SELFTESTS_POWERPC_SUBUNIT_H */
diff --git a/tools/testing/selftests/powerpc/utils.h b/tools/testing/selftests/powerpc/utils.h
new file mode 100644
index 000000000000..5851c4b0f553
--- /dev/null
+++ b/tools/testing/selftests/powerpc/utils.h
@@ -0,0 +1,34 @@
1/*
2 * Copyright 2013, Michael Ellerman, IBM Corp.
3 * Licensed under GPLv2.
4 */
5
6#ifndef _SELFTESTS_POWERPC_UTILS_H
7#define _SELFTESTS_POWERPC_UTILS_H
8
9#include <stdint.h>
10#include <stdbool.h>
11
12/* Avoid headaches with PRI?64 - just use %ll? always */
13typedef unsigned long long u64;
14typedef signed long long s64;
15
16/* Just for familiarity */
17typedef uint32_t u32;
18typedef uint8_t u8;
19
20
21int test_harness(int (test_function)(void), char *name);
22
23
24/* Yes, this is evil */
25#define FAIL_IF(x) \
26do { \
27 if ((x)) { \
28 fprintf(stderr, \
29 "[FAIL] Test FAILED on line %d\n", __LINE__); \
30 return 1; \
31 } \
32} while (0)
33
34#endif /* _SELFTESTS_POWERPC_UTILS_H */