diff options
Diffstat (limited to 'drivers/base/power/sysfs.c')
| -rw-r--r-- | drivers/base/power/sysfs.c | 121 |
1 files changed, 119 insertions, 2 deletions
diff --git a/drivers/base/power/sysfs.c b/drivers/base/power/sysfs.c index e56b4388fe61..8859780817e1 100644 --- a/drivers/base/power/sysfs.c +++ b/drivers/base/power/sysfs.c | |||
| @@ -210,11 +210,122 @@ static DEVICE_ATTR(wakeup, 0644, wake_show, wake_store); | |||
| 210 | static ssize_t wakeup_count_show(struct device *dev, | 210 | static ssize_t wakeup_count_show(struct device *dev, |
| 211 | struct device_attribute *attr, char *buf) | 211 | struct device_attribute *attr, char *buf) |
| 212 | { | 212 | { |
| 213 | return sprintf(buf, "%lu\n", dev->power.wakeup_count); | 213 | unsigned long count = 0; |
| 214 | bool enabled = false; | ||
| 215 | |||
| 216 | spin_lock_irq(&dev->power.lock); | ||
| 217 | if (dev->power.wakeup) { | ||
| 218 | count = dev->power.wakeup->event_count; | ||
| 219 | enabled = true; | ||
| 220 | } | ||
| 221 | spin_unlock_irq(&dev->power.lock); | ||
| 222 | return enabled ? sprintf(buf, "%lu\n", count) : sprintf(buf, "\n"); | ||
| 214 | } | 223 | } |
| 215 | 224 | ||
| 216 | static DEVICE_ATTR(wakeup_count, 0444, wakeup_count_show, NULL); | 225 | static DEVICE_ATTR(wakeup_count, 0444, wakeup_count_show, NULL); |
| 217 | #endif | 226 | |
| 227 | static ssize_t wakeup_active_count_show(struct device *dev, | ||
| 228 | struct device_attribute *attr, char *buf) | ||
| 229 | { | ||
| 230 | unsigned long count = 0; | ||
| 231 | bool enabled = false; | ||
| 232 | |||
| 233 | spin_lock_irq(&dev->power.lock); | ||
| 234 | if (dev->power.wakeup) { | ||
| 235 | count = dev->power.wakeup->active_count; | ||
| 236 | enabled = true; | ||
| 237 | } | ||
| 238 | spin_unlock_irq(&dev->power.lock); | ||
| 239 | return enabled ? sprintf(buf, "%lu\n", count) : sprintf(buf, "\n"); | ||
| 240 | } | ||
| 241 | |||
| 242 | static DEVICE_ATTR(wakeup_active_count, 0444, wakeup_active_count_show, NULL); | ||
| 243 | |||
| 244 | static ssize_t wakeup_hit_count_show(struct device *dev, | ||
| 245 | struct device_attribute *attr, char *buf) | ||
| 246 | { | ||
| 247 | unsigned long count = 0; | ||
| 248 | bool enabled = false; | ||
| 249 | |||
| 250 | spin_lock_irq(&dev->power.lock); | ||
| 251 | if (dev->power.wakeup) { | ||
| 252 | count = dev->power.wakeup->hit_count; | ||
| 253 | enabled = true; | ||
| 254 | } | ||
| 255 | spin_unlock_irq(&dev->power.lock); | ||
| 256 | return enabled ? sprintf(buf, "%lu\n", count) : sprintf(buf, "\n"); | ||
| 257 | } | ||
| 258 | |||
| 259 | static DEVICE_ATTR(wakeup_hit_count, 0444, wakeup_hit_count_show, NULL); | ||
| 260 | |||
| 261 | static ssize_t wakeup_active_show(struct device *dev, | ||
| 262 | struct device_attribute *attr, char *buf) | ||
| 263 | { | ||
| 264 | unsigned int active = 0; | ||
| 265 | bool enabled = false; | ||
| 266 | |||
| 267 | spin_lock_irq(&dev->power.lock); | ||
| 268 | if (dev->power.wakeup) { | ||
| 269 | active = dev->power.wakeup->active; | ||
| 270 | enabled = true; | ||
| 271 | } | ||
| 272 | spin_unlock_irq(&dev->power.lock); | ||
| 273 | return enabled ? sprintf(buf, "%u\n", active) : sprintf(buf, "\n"); | ||
| 274 | } | ||
| 275 | |||
| 276 | static DEVICE_ATTR(wakeup_active, 0444, wakeup_active_show, NULL); | ||
| 277 | |||
| 278 | static ssize_t wakeup_total_time_show(struct device *dev, | ||
| 279 | struct device_attribute *attr, char *buf) | ||
| 280 | { | ||
| 281 | s64 msec = 0; | ||
| 282 | bool enabled = false; | ||
| 283 | |||
| 284 | spin_lock_irq(&dev->power.lock); | ||
| 285 | if (dev->power.wakeup) { | ||
| 286 | msec = ktime_to_ms(dev->power.wakeup->total_time); | ||
| 287 | enabled = true; | ||
| 288 | } | ||
| 289 | spin_unlock_irq(&dev->power.lock); | ||
| 290 | return enabled ? sprintf(buf, "%lld\n", msec) : sprintf(buf, "\n"); | ||
| 291 | } | ||
| 292 | |||
| 293 | static DEVICE_ATTR(wakeup_total_time_ms, 0444, wakeup_total_time_show, NULL); | ||
| 294 | |||
| 295 | static ssize_t wakeup_max_time_show(struct device *dev, | ||
| 296 | struct device_attribute *attr, char *buf) | ||
| 297 | { | ||
| 298 | s64 msec = 0; | ||
| 299 | bool enabled = false; | ||
| 300 | |||
| 301 | spin_lock_irq(&dev->power.lock); | ||
| 302 | if (dev->power.wakeup) { | ||
| 303 | msec = ktime_to_ms(dev->power.wakeup->max_time); | ||
| 304 | enabled = true; | ||
| 305 | } | ||
| 306 | spin_unlock_irq(&dev->power.lock); | ||
| 307 | return enabled ? sprintf(buf, "%lld\n", msec) : sprintf(buf, "\n"); | ||
| 308 | } | ||
| 309 | |||
| 310 | static DEVICE_ATTR(wakeup_max_time_ms, 0444, wakeup_max_time_show, NULL); | ||
| 311 | |||
| 312 | static ssize_t wakeup_last_time_show(struct device *dev, | ||
| 313 | struct device_attribute *attr, char *buf) | ||
| 314 | { | ||
| 315 | s64 msec = 0; | ||
| 316 | bool enabled = false; | ||
| 317 | |||
| 318 | spin_lock_irq(&dev->power.lock); | ||
| 319 | if (dev->power.wakeup) { | ||
| 320 | msec = ktime_to_ms(dev->power.wakeup->last_time); | ||
| 321 | enabled = true; | ||
| 322 | } | ||
| 323 | spin_unlock_irq(&dev->power.lock); | ||
| 324 | return enabled ? sprintf(buf, "%lld\n", msec) : sprintf(buf, "\n"); | ||
| 325 | } | ||
| 326 | |||
| 327 | static DEVICE_ATTR(wakeup_last_time_ms, 0444, wakeup_last_time_show, NULL); | ||
| 328 | #endif /* CONFIG_PM_SLEEP */ | ||
| 218 | 329 | ||
| 219 | #ifdef CONFIG_PM_ADVANCED_DEBUG | 330 | #ifdef CONFIG_PM_ADVANCED_DEBUG |
| 220 | #ifdef CONFIG_PM_RUNTIME | 331 | #ifdef CONFIG_PM_RUNTIME |
| @@ -288,6 +399,12 @@ static struct attribute * power_attrs[] = { | |||
| 288 | &dev_attr_wakeup.attr, | 399 | &dev_attr_wakeup.attr, |
| 289 | #ifdef CONFIG_PM_SLEEP | 400 | #ifdef CONFIG_PM_SLEEP |
| 290 | &dev_attr_wakeup_count.attr, | 401 | &dev_attr_wakeup_count.attr, |
| 402 | &dev_attr_wakeup_active_count.attr, | ||
| 403 | &dev_attr_wakeup_hit_count.attr, | ||
| 404 | &dev_attr_wakeup_active.attr, | ||
| 405 | &dev_attr_wakeup_total_time_ms.attr, | ||
| 406 | &dev_attr_wakeup_max_time_ms.attr, | ||
| 407 | &dev_attr_wakeup_last_time_ms.attr, | ||
| 291 | #endif | 408 | #endif |
| 292 | #ifdef CONFIG_PM_ADVANCED_DEBUG | 409 | #ifdef CONFIG_PM_ADVANCED_DEBUG |
| 293 | &dev_attr_async.attr, | 410 | &dev_attr_async.attr, |
