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Diffstat (limited to 'include/linux/torture.h')
-rw-r--r--include/linux/torture.h41
1 files changed, 36 insertions, 5 deletions
diff --git a/include/linux/torture.h b/include/linux/torture.h
index 6241f59e2d6f..7038104463e4 100644
--- a/include/linux/torture.h
+++ b/include/linux/torture.h
@@ -32,11 +32,30 @@
#define TOROUT_STRING(s) \
pr_alert("%s" TORTURE_FLAG " %s\n", torture_type, s)
#define VERBOSE_TOROUT_STRING(s) \
- do { if (verbose) pr_alert("%s" TORTURE_FLAG " %s\n", torture_type, s); } while (0)
-#define VERBOSE_TOROUT_ERRSTRING(s) \
- do { if (verbose) pr_alert("%s" TORTURE_FLAG "!!! %s\n", torture_type, s); } while (0)
+do { \
+ if (verbose) { \
+ verbose_torout_sleep(); \
+ pr_alert("%s" TORTURE_FLAG " %s\n", torture_type, s); \
+ } \
+} while (0)
+#define TOROUT_ERRSTRING(s) \
+ pr_alert("%s" TORTURE_FLAG "!!! %s\n", torture_type, s)
+void verbose_torout_sleep(void);
+
+#define torture_init_error(firsterr) \
+({ \
+ int ___firsterr = (firsterr); \
+ \
+ WARN_ONCE(!IS_MODULE(CONFIG_RCU_TORTURE_TEST) && ___firsterr < 0, "Torture-test initialization failed with error code %d\n", ___firsterr); \
+ ___firsterr < 0; \
+})
/* Definitions for online/offline exerciser. */
+#ifdef CONFIG_HOTPLUG_CPU
+int torture_num_online_cpus(void);
+#else /* #ifdef CONFIG_HOTPLUG_CPU */
+static inline int torture_num_online_cpus(void) { return 1; }
+#endif /* #else #ifdef CONFIG_HOTPLUG_CPU */
typedef void torture_ofl_func(void);
bool torture_offline(int cpu, long *n_onl_attempts, long *n_onl_successes,
unsigned long *sum_offl, int *min_onl, int *max_onl);
@@ -55,6 +74,18 @@ struct torture_random_state {
#define DEFINE_TORTURE_RANDOM_PERCPU(name) \
DEFINE_PER_CPU(struct torture_random_state, name)
unsigned long torture_random(struct torture_random_state *trsp);
+static inline void torture_random_init(struct torture_random_state *trsp)
+{
+ trsp->trs_state = 0;
+ trsp->trs_count = 0;
+}
+
+/* Definitions for high-resolution-timer sleeps. */
+int torture_hrtimeout_ns(ktime_t baset_ns, u32 fuzzt_ns, struct torture_random_state *trsp);
+int torture_hrtimeout_us(u32 baset_us, u32 fuzzt_ns, struct torture_random_state *trsp);
+int torture_hrtimeout_ms(u32 baset_ms, u32 fuzzt_us, struct torture_random_state *trsp);
+int torture_hrtimeout_jiffies(u32 baset_j, struct torture_random_state *trsp);
+int torture_hrtimeout_s(u32 baset_s, u32 fuzzt_ms, struct torture_random_state *trsp);
/* Task shuffler, which causes CPUs to occasionally go idle. */
void torture_shuffle_task_register(struct task_struct *tp);
@@ -87,9 +118,9 @@ void _torture_stop_kthread(char *m, struct task_struct **tp);
_torture_stop_kthread("Stopping " #n " task", &(tp))
#ifdef CONFIG_PREEMPTION
-#define torture_preempt_schedule() preempt_schedule()
+#define torture_preempt_schedule() __preempt_schedule()
#else
-#define torture_preempt_schedule()
+#define torture_preempt_schedule() do { } while (0)
#endif
#endif /* __LINUX_TORTURE_H */