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-rw-r--r--kernel/time/timer_list.c28
1 files changed, 18 insertions, 10 deletions
diff --git a/kernel/time/timer_list.c b/kernel/time/timer_list.c
index a40e20fd0001..a999b92a1277 100644
--- a/kernel/time/timer_list.c
+++ b/kernel/time/timer_list.c
@@ -47,13 +47,14 @@ static void print_name_offset(struct seq_file *m, void *sym)
47} 47}
48 48
49static void 49static void
50print_timer(struct seq_file *m, struct hrtimer *timer, int idx, u64 now) 50print_timer(struct seq_file *m, struct hrtimer *taddr, struct hrtimer *timer,
51 int idx, u64 now)
51{ 52{
52#ifdef CONFIG_TIMER_STATS 53#ifdef CONFIG_TIMER_STATS
53 char tmp[TASK_COMM_LEN + 1]; 54 char tmp[TASK_COMM_LEN + 1];
54#endif 55#endif
55 SEQ_printf(m, " #%d: ", idx); 56 SEQ_printf(m, " #%d: ", idx);
56 print_name_offset(m, timer); 57 print_name_offset(m, taddr);
57 SEQ_printf(m, ", "); 58 SEQ_printf(m, ", ");
58 print_name_offset(m, timer->function); 59 print_name_offset(m, timer->function);
59 SEQ_printf(m, ", S:%02lx", timer->state); 60 SEQ_printf(m, ", S:%02lx", timer->state);
@@ -65,9 +66,11 @@ print_timer(struct seq_file *m, struct hrtimer *timer, int idx, u64 now)
65 SEQ_printf(m, ", %s/%d", tmp, timer->start_pid); 66 SEQ_printf(m, ", %s/%d", tmp, timer->start_pid);
66#endif 67#endif
67 SEQ_printf(m, "\n"); 68 SEQ_printf(m, "\n");
68 SEQ_printf(m, " # expires at %Lu nsecs [in %Ld nsecs]\n", 69 SEQ_printf(m, " # expires at %Lu-%Lu nsecs [in %Ld to %Ld nsecs]\n",
69 (unsigned long long)ktime_to_ns(timer->expires), 70 (unsigned long long)ktime_to_ns(hrtimer_get_softexpires(timer)),
70 (long long)(ktime_to_ns(timer->expires) - now)); 71 (unsigned long long)ktime_to_ns(hrtimer_get_expires(timer)),
72 (long long)(ktime_to_ns(hrtimer_get_softexpires(timer)) - now),
73 (long long)(ktime_to_ns(hrtimer_get_expires(timer)) - now));
71} 74}
72 75
73static void 76static void
@@ -99,7 +102,7 @@ next_one:
99 tmp = *timer; 102 tmp = *timer;
100 spin_unlock_irqrestore(&base->cpu_base->lock, flags); 103 spin_unlock_irqrestore(&base->cpu_base->lock, flags);
101 104
102 print_timer(m, &tmp, i, now); 105 print_timer(m, timer, &tmp, i, now);
103 next++; 106 next++;
104 goto next_one; 107 goto next_one;
105 } 108 }
@@ -109,6 +112,7 @@ next_one:
109static void 112static void
110print_base(struct seq_file *m, struct hrtimer_clock_base *base, u64 now) 113print_base(struct seq_file *m, struct hrtimer_clock_base *base, u64 now)
111{ 114{
115 SEQ_printf(m, " .base: %p\n", base);
112 SEQ_printf(m, " .index: %d\n", 116 SEQ_printf(m, " .index: %d\n",
113 base->index); 117 base->index);
114 SEQ_printf(m, " .resolution: %Lu nsecs\n", 118 SEQ_printf(m, " .resolution: %Lu nsecs\n",
@@ -183,12 +187,16 @@ static void print_cpu(struct seq_file *m, int cpu, u64 now)
183 187
184#ifdef CONFIG_GENERIC_CLOCKEVENTS 188#ifdef CONFIG_GENERIC_CLOCKEVENTS
185static void 189static void
186print_tickdevice(struct seq_file *m, struct tick_device *td) 190print_tickdevice(struct seq_file *m, struct tick_device *td, int cpu)
187{ 191{
188 struct clock_event_device *dev = td->evtdev; 192 struct clock_event_device *dev = td->evtdev;
189 193
190 SEQ_printf(m, "\n"); 194 SEQ_printf(m, "\n");
191 SEQ_printf(m, "Tick Device: mode: %d\n", td->mode); 195 SEQ_printf(m, "Tick Device: mode: %d\n", td->mode);
196 if (cpu < 0)
197 SEQ_printf(m, "Broadcast device\n");
198 else
199 SEQ_printf(m, "Per CPU device: %d\n", cpu);
192 200
193 SEQ_printf(m, "Clock Event Device: "); 201 SEQ_printf(m, "Clock Event Device: ");
194 if (!dev) { 202 if (!dev) {
@@ -222,7 +230,7 @@ static void timer_list_show_tickdevices(struct seq_file *m)
222 int cpu; 230 int cpu;
223 231
224#ifdef CONFIG_GENERIC_CLOCKEVENTS_BROADCAST 232#ifdef CONFIG_GENERIC_CLOCKEVENTS_BROADCAST
225 print_tickdevice(m, tick_get_broadcast_device()); 233 print_tickdevice(m, tick_get_broadcast_device(), -1);
226 SEQ_printf(m, "tick_broadcast_mask: %08lx\n", 234 SEQ_printf(m, "tick_broadcast_mask: %08lx\n",
227 tick_get_broadcast_mask()->bits[0]); 235 tick_get_broadcast_mask()->bits[0]);
228#ifdef CONFIG_TICK_ONESHOT 236#ifdef CONFIG_TICK_ONESHOT
@@ -232,7 +240,7 @@ static void timer_list_show_tickdevices(struct seq_file *m)
232 SEQ_printf(m, "\n"); 240 SEQ_printf(m, "\n");
233#endif 241#endif
234 for_each_online_cpu(cpu) 242 for_each_online_cpu(cpu)
235 print_tickdevice(m, tick_get_device(cpu)); 243 print_tickdevice(m, tick_get_device(cpu), cpu);
236 SEQ_printf(m, "\n"); 244 SEQ_printf(m, "\n");
237} 245}
238#else 246#else
@@ -244,7 +252,7 @@ static int timer_list_show(struct seq_file *m, void *v)
244 u64 now = ktime_to_ns(ktime_get()); 252 u64 now = ktime_to_ns(ktime_get());
245 int cpu; 253 int cpu;
246 254
247 SEQ_printf(m, "Timer List Version: v0.3\n"); 255 SEQ_printf(m, "Timer List Version: v0.4\n");
248 SEQ_printf(m, "HRTIMER_MAX_CLOCK_BASES: %d\n", HRTIMER_MAX_CLOCK_BASES); 256 SEQ_printf(m, "HRTIMER_MAX_CLOCK_BASES: %d\n", HRTIMER_MAX_CLOCK_BASES);
249 SEQ_printf(m, "now at %Ld nsecs\n", (unsigned long long)now); 257 SEQ_printf(m, "now at %Ld nsecs\n", (unsigned long long)now);
250 258