| 223 | } |
| 224 | |
| 225 | func AddGoRuntimeStats() { |
| 226 | // Num goroutines |
| 227 | numGoroutine := runtime.NumGoroutine() |
| 228 | |
| 229 | base.SyncGatewayStats.GlobalStats.ResourceUtilizationStats().NumGoroutines.Set(int64(numGoroutine)) |
| 230 | base.SyncGatewayStats.GlobalStats.ResourceUtilizationStats().GoroutinesHighWatermark.Set(int64(goroutineHighwaterMark(uint64(numGoroutine)))) |
| 231 | |
| 232 | // Read memstats (relatively expensive) |
| 233 | memstats := runtime.MemStats{} |
| 234 | runtime.ReadMemStats(&memstats) |
| 235 | |
| 236 | // Sys |
| 237 | base.SyncGatewayStats.GlobalStats.ResourceUtilizationStats().GoMemstatsSys.Set(int64(memstats.Sys)) |
| 238 | |
| 239 | // HeapAlloc |
| 240 | base.SyncGatewayStats.GlobalStats.ResourceUtilizationStats().GoMemstatsHeapAlloc.Set(int64(memstats.HeapAlloc)) |
| 241 | |
| 242 | // HeapIdle |
| 243 | base.SyncGatewayStats.GlobalStats.ResourceUtilizationStats().GoMemstatsHeapIdle.Set(int64(memstats.HeapIdle)) |
| 244 | |
| 245 | // HeapInuse |
| 246 | base.SyncGatewayStats.GlobalStats.ResourceUtilizationStats().GoMemstatsHeapInUse.Set(int64(memstats.HeapInuse)) |
| 247 | |
| 248 | // HeapReleased |
| 249 | base.SyncGatewayStats.GlobalStats.ResourceUtilizationStats().GoMemstatsHeapReleased.Set(int64(memstats.HeapReleased)) |
| 250 | |
| 251 | // StackInuse |
| 252 | base.SyncGatewayStats.GlobalStats.ResourceUtilizationStats().GoMemstatsStackInUse.Set(int64(memstats.StackInuse)) |
| 253 | |
| 254 | // StackSys |
| 255 | base.SyncGatewayStats.GlobalStats.ResourceUtilizationStats().GoMemstatsStackSys.Set(int64(memstats.StackSys)) |
| 256 | |
| 257 | // PauseTotalNs |
| 258 | base.SyncGatewayStats.GlobalStats.ResourceUtilizationStats().GoMemstatsPauseTotalNS.Set(int64(memstats.PauseTotalNs)) |
| 259 | } |
| 260 | |
| 261 | // Record Goroutines high watermark into expvars |
| 262 | func goroutineHighwaterMark(numGoroutines uint64) (maxGoroutinesSeen uint64) { |