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authorZqiang <qiang.zhang1211@gmail.com>2024-03-18 17:34:11 +0800
committerUladzislau Rezki (Sony) <urezki@gmail.com>2024-04-16 11:16:35 +0200
commitdddcddef1414be3ebc37a40d13fcc0f6a672ba9f (patch)
tree1490fe938bf6fe6fdd7433226a96e3b0e9d32376 /kernel/rcu/rcu.h
parente38bf06d509a90c9fc185129ec913beb6de3d428 (diff)
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rcutorture: Make rcutorture support print rcu-tasks gp state
This commit make rcu-tasks related rcutorture test support rcu-tasks gp state printing when the writer stall occurs or the at the end of rcutorture test, and generate rcu_ops->get_gp_data() operation to simplify the acquisition of gp state for different types of rcutorture tests. Signed-off-by: Zqiang <qiang.zhang1211@gmail.com> Signed-off-by: Paul E. McKenney <paulmck@kernel.org> Signed-off-by: Uladzislau Rezki (Sony) <urezki@gmail.com>
Diffstat (limited to 'kernel/rcu/rcu.h')
-rw-r--r--kernel/rcu/rcu.h20
1 files changed, 10 insertions, 10 deletions
diff --git a/kernel/rcu/rcu.h b/kernel/rcu/rcu.h
index 86fce206560e..38238e595a61 100644
--- a/kernel/rcu/rcu.h
+++ b/kernel/rcu/rcu.h
@@ -522,12 +522,18 @@ static inline void show_rcu_tasks_gp_kthreads(void) {}
#ifdef CONFIG_TASKS_RCU
struct task_struct *get_rcu_tasks_gp_kthread(void);
+void rcu_tasks_get_gp_data(int *flags, unsigned long *gp_seq);
#endif // # ifdef CONFIG_TASKS_RCU
#ifdef CONFIG_TASKS_RUDE_RCU
struct task_struct *get_rcu_tasks_rude_gp_kthread(void);
+void rcu_tasks_rude_get_gp_data(int *flags, unsigned long *gp_seq);
#endif // # ifdef CONFIG_TASKS_RUDE_RCU
+#ifdef CONFIG_TASKS_TRACE_RCU
+void rcu_tasks_trace_get_gp_data(int *flags, unsigned long *gp_seq);
+#endif
+
#ifdef CONFIG_TASKS_RCU_GENERIC
void tasks_cblist_init_generic(void);
#else /* #ifdef CONFIG_TASKS_RCU_GENERIC */
@@ -557,8 +563,7 @@ static inline void rcu_set_jiffies_lazy_flush(unsigned long j) { }
#endif
#if defined(CONFIG_TREE_RCU)
-void rcutorture_get_gp_data(enum rcutorture_type test_type, int *flags,
- unsigned long *gp_seq);
+void rcutorture_get_gp_data(int *flags, unsigned long *gp_seq);
void do_trace_rcu_torture_read(const char *rcutorturename,
struct rcu_head *rhp,
unsigned long secs,
@@ -566,8 +571,7 @@ void do_trace_rcu_torture_read(const char *rcutorturename,
unsigned long c);
void rcu_gp_set_torture_wait(int duration);
#else
-static inline void rcutorture_get_gp_data(enum rcutorture_type test_type,
- int *flags, unsigned long *gp_seq)
+static inline void rcutorture_get_gp_data(int *flags, unsigned long *gp_seq)
{
*flags = 0;
*gp_seq = 0;
@@ -587,20 +591,16 @@ static inline void rcu_gp_set_torture_wait(int duration) { }
#ifdef CONFIG_TINY_SRCU
-static inline void srcutorture_get_gp_data(enum rcutorture_type test_type,
- struct srcu_struct *sp, int *flags,
+static inline void srcutorture_get_gp_data(struct srcu_struct *sp, int *flags,
unsigned long *gp_seq)
{
- if (test_type != SRCU_FLAVOR)
- return;
*flags = 0;
*gp_seq = sp->srcu_idx;
}
#elif defined(CONFIG_TREE_SRCU)
-void srcutorture_get_gp_data(enum rcutorture_type test_type,
- struct srcu_struct *sp, int *flags,
+void srcutorture_get_gp_data(struct srcu_struct *sp, int *flags,
unsigned long *gp_seq);
#endif