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>
This commit is contained in:
parent
0e56dacdda
commit
2fae0d7ced
105
tools/testing/selftests/powerpc/harness.c
Normal file
105
tools/testing/selftests/powerpc/harness.c
Normal file
|
@ -0,0 +1,105 @@
|
|||
/*
|
||||
* Copyright 2013, Michael Ellerman, IBM Corp.
|
||||
* Licensed under GPLv2.
|
||||
*/
|
||||
|
||||
#include <errno.h>
|
||||
#include <signal.h>
|
||||
#include <stdbool.h>
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <sys/types.h>
|
||||
#include <sys/wait.h>
|
||||
#include <unistd.h>
|
||||
|
||||
#include "subunit.h"
|
||||
#include "utils.h"
|
||||
|
||||
#define TIMEOUT 120
|
||||
#define KILL_TIMEOUT 5
|
||||
|
||||
|
||||
int run_test(int (test_function)(void), char *name)
|
||||
{
|
||||
bool terminated;
|
||||
int rc, status;
|
||||
pid_t pid;
|
||||
|
||||
/* Make sure output is flushed before forking */
|
||||
fflush(stdout);
|
||||
|
||||
pid = fork();
|
||||
if (pid == 0) {
|
||||
exit(test_function());
|
||||
} else if (pid == -1) {
|
||||
perror("fork");
|
||||
return 1;
|
||||
}
|
||||
|
||||
/* Wake us up in timeout seconds */
|
||||
alarm(TIMEOUT);
|
||||
terminated = false;
|
||||
|
||||
wait:
|
||||
rc = waitpid(pid, &status, 0);
|
||||
if (rc == -1) {
|
||||
if (errno != EINTR) {
|
||||
printf("unknown error from waitpid\n");
|
||||
return 1;
|
||||
}
|
||||
|
||||
if (terminated) {
|
||||
printf("!! force killing %s\n", name);
|
||||
kill(pid, SIGKILL);
|
||||
return 1;
|
||||
} else {
|
||||
printf("!! killing %s\n", name);
|
||||
kill(pid, SIGTERM);
|
||||
terminated = true;
|
||||
alarm(KILL_TIMEOUT);
|
||||
goto wait;
|
||||
}
|
||||
}
|
||||
|
||||
if (WIFEXITED(status))
|
||||
status = WEXITSTATUS(status);
|
||||
else {
|
||||
if (WIFSIGNALED(status))
|
||||
printf("!! child died by signal %d\n", WTERMSIG(status));
|
||||
else
|
||||
printf("!! child died by unknown cause\n");
|
||||
|
||||
status = 1; /* Signal or other */
|
||||
}
|
||||
|
||||
return status;
|
||||
}
|
||||
|
||||
static void alarm_handler(int signum)
|
||||
{
|
||||
/* Jut wake us up from waitpid */
|
||||
}
|
||||
|
||||
static struct sigaction alarm_action = {
|
||||
.sa_handler = alarm_handler,
|
||||
};
|
||||
|
||||
int test_harness(int (test_function)(void), char *name)
|
||||
{
|
||||
int rc;
|
||||
|
||||
test_start(name);
|
||||
test_set_git_version(GIT_VERSION);
|
||||
|
||||
if (sigaction(SIGALRM, &alarm_action, NULL)) {
|
||||
perror("sigaction");
|
||||
test_error(name);
|
||||
return 1;
|
||||
}
|
||||
|
||||
rc = run_test(test_function, name);
|
||||
|
||||
test_finish(name, rc);
|
||||
|
||||
return rc;
|
||||
}
|
47
tools/testing/selftests/powerpc/subunit.h
Normal file
47
tools/testing/selftests/powerpc/subunit.h
Normal file
|
@ -0,0 +1,47 @@
|
|||
/*
|
||||
* Copyright 2013, Michael Ellerman, IBM Corp.
|
||||
* Licensed under GPLv2.
|
||||
*/
|
||||
|
||||
#ifndef _SELFTESTS_POWERPC_SUBUNIT_H
|
||||
#define _SELFTESTS_POWERPC_SUBUNIT_H
|
||||
|
||||
static inline void test_start(char *name)
|
||||
{
|
||||
printf("test: %s\n", name);
|
||||
}
|
||||
|
||||
static inline void test_failure_detail(char *name, char *detail)
|
||||
{
|
||||
printf("failure: %s [%s]\n", name, detail);
|
||||
}
|
||||
|
||||
static inline void test_failure(char *name)
|
||||
{
|
||||
printf("failure: %s\n", name);
|
||||
}
|
||||
|
||||
static inline void test_error(char *name)
|
||||
{
|
||||
printf("error: %s\n", name);
|
||||
}
|
||||
|
||||
static inline void test_success(char *name)
|
||||
{
|
||||
printf("success: %s\n", name);
|
||||
}
|
||||
|
||||
static inline void test_finish(char *name, int status)
|
||||
{
|
||||
if (status)
|
||||
test_failure(name);
|
||||
else
|
||||
test_success(name);
|
||||
}
|
||||
|
||||
static inline void test_set_git_version(char *value)
|
||||
{
|
||||
printf("tags: git_version:%s\n", value);
|
||||
}
|
||||
|
||||
#endif /* _SELFTESTS_POWERPC_SUBUNIT_H */
|
34
tools/testing/selftests/powerpc/utils.h
Normal file
34
tools/testing/selftests/powerpc/utils.h
Normal file
|
@ -0,0 +1,34 @@
|
|||
/*
|
||||
* Copyright 2013, Michael Ellerman, IBM Corp.
|
||||
* Licensed under GPLv2.
|
||||
*/
|
||||
|
||||
#ifndef _SELFTESTS_POWERPC_UTILS_H
|
||||
#define _SELFTESTS_POWERPC_UTILS_H
|
||||
|
||||
#include <stdint.h>
|
||||
#include <stdbool.h>
|
||||
|
||||
/* Avoid headaches with PRI?64 - just use %ll? always */
|
||||
typedef unsigned long long u64;
|
||||
typedef signed long long s64;
|
||||
|
||||
/* Just for familiarity */
|
||||
typedef uint32_t u32;
|
||||
typedef uint8_t u8;
|
||||
|
||||
|
||||
int test_harness(int (test_function)(void), char *name);
|
||||
|
||||
|
||||
/* Yes, this is evil */
|
||||
#define FAIL_IF(x) \
|
||||
do { \
|
||||
if ((x)) { \
|
||||
fprintf(stderr, \
|
||||
"[FAIL] Test FAILED on line %d\n", __LINE__); \
|
||||
return 1; \
|
||||
} \
|
||||
} while (0)
|
||||
|
||||
#endif /* _SELFTESTS_POWERPC_UTILS_H */
|
Loading…
Reference in a new issue