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-rw-r--r--kernel/rcutiny.c17
1 files changed, 10 insertions, 7 deletions
diff --git a/kernel/rcutiny.c b/kernel/rcutiny.c
index 9ed6075dc562..e99eb5fb10af 100644
--- a/kernel/rcutiny.c
+++ b/kernel/rcutiny.c
@@ -35,6 +35,7 @@
35#include <linux/time.h> 35#include <linux/time.h>
36#include <linux/cpu.h> 36#include <linux/cpu.h>
37#include <linux/prefetch.h> 37#include <linux/prefetch.h>
38#include <linux/ftrace_event.h>
38 39
39#ifdef CONFIG_RCU_TRACE 40#ifdef CONFIG_RCU_TRACE
40#include <trace/events/rcu.h> 41#include <trace/events/rcu.h>
@@ -58,16 +59,17 @@ static long long rcu_dynticks_nesting = DYNTICK_TASK_EXIT_IDLE;
58static void rcu_idle_enter_common(long long newval) 59static void rcu_idle_enter_common(long long newval)
59{ 60{
60 if (newval) { 61 if (newval) {
61 RCU_TRACE(trace_rcu_dyntick("--=", 62 RCU_TRACE(trace_rcu_dyntick(TPS("--="),
62 rcu_dynticks_nesting, newval)); 63 rcu_dynticks_nesting, newval));
63 rcu_dynticks_nesting = newval; 64 rcu_dynticks_nesting = newval;
64 return; 65 return;
65 } 66 }
66 RCU_TRACE(trace_rcu_dyntick("Start", rcu_dynticks_nesting, newval)); 67 RCU_TRACE(trace_rcu_dyntick(TPS("Start"),
68 rcu_dynticks_nesting, newval));
67 if (!is_idle_task(current)) { 69 if (!is_idle_task(current)) {
68 struct task_struct *idle = idle_task(smp_processor_id()); 70 struct task_struct *idle = idle_task(smp_processor_id());
69 71
70 RCU_TRACE(trace_rcu_dyntick("Error on entry: not idle task", 72 RCU_TRACE(trace_rcu_dyntick(TPS("Entry error: not idle task"),
71 rcu_dynticks_nesting, newval)); 73 rcu_dynticks_nesting, newval));
72 ftrace_dump(DUMP_ALL); 74 ftrace_dump(DUMP_ALL);
73 WARN_ONCE(1, "Current pid: %d comm: %s / Idle pid: %d comm: %s", 75 WARN_ONCE(1, "Current pid: %d comm: %s / Idle pid: %d comm: %s",
@@ -120,15 +122,15 @@ EXPORT_SYMBOL_GPL(rcu_irq_exit);
120static void rcu_idle_exit_common(long long oldval) 122static void rcu_idle_exit_common(long long oldval)
121{ 123{
122 if (oldval) { 124 if (oldval) {
123 RCU_TRACE(trace_rcu_dyntick("++=", 125 RCU_TRACE(trace_rcu_dyntick(TPS("++="),
124 oldval, rcu_dynticks_nesting)); 126 oldval, rcu_dynticks_nesting));
125 return; 127 return;
126 } 128 }
127 RCU_TRACE(trace_rcu_dyntick("End", oldval, rcu_dynticks_nesting)); 129 RCU_TRACE(trace_rcu_dyntick(TPS("End"), oldval, rcu_dynticks_nesting));
128 if (!is_idle_task(current)) { 130 if (!is_idle_task(current)) {
129 struct task_struct *idle = idle_task(smp_processor_id()); 131 struct task_struct *idle = idle_task(smp_processor_id());
130 132
131 RCU_TRACE(trace_rcu_dyntick("Error on exit: not idle task", 133 RCU_TRACE(trace_rcu_dyntick(TPS("Exit error: not idle task"),
132 oldval, rcu_dynticks_nesting)); 134 oldval, rcu_dynticks_nesting));
133 ftrace_dump(DUMP_ALL); 135 ftrace_dump(DUMP_ALL);
134 WARN_ONCE(1, "Current pid: %d comm: %s / Idle pid: %d comm: %s", 136 WARN_ONCE(1, "Current pid: %d comm: %s / Idle pid: %d comm: %s",
@@ -304,7 +306,8 @@ static void __rcu_process_callbacks(struct rcu_ctrlblk *rcp)
304 RCU_TRACE(cb_count++); 306 RCU_TRACE(cb_count++);
305 } 307 }
306 RCU_TRACE(rcu_trace_sub_qlen(rcp, cb_count)); 308 RCU_TRACE(rcu_trace_sub_qlen(rcp, cb_count));
307 RCU_TRACE(trace_rcu_batch_end(rcp->name, cb_count, 0, need_resched(), 309 RCU_TRACE(trace_rcu_batch_end(rcp->name,
310 cb_count, 0, need_resched(),
308 is_idle_task(current), 311 is_idle_task(current),
309 false)); 312 false));
310} 313}