# runtime.MemStats # Alloc = 3537545936 # TotalAlloc = 217546115776 # Sys = 4223095608 # Lookups = 1321203 # Mallocs = 1558757559 # Frees = 1533787828 # HeapAlloc = 3537545936 分配給堆的內存使用量 # HeapSys = 3784015872 堆佔用系統的內存使用量 # HeapIdle = 167993344 堆中空閒但沒有釋放還給系統的內存使用量 # HeapInuse = 3616022528 堆中正在使用的內存使用量 # HeapReleased = 0 # HeapObjects = 24969731 # Stack = 221347840 / 221347840 # MSpan = 50597304 / 51511296 # MCache = 9600 / 16384 # BuckHashSys = 3240312 # GCSys = 148043776 # OtherSys = 14920128 # NextGC = 3824913056 下一次內存使用量達到多少值時觸發GC
(pprof) top 1517.34MB of 1870.97MB total (81.10%) Dropped 760 nodes (cum <= 9.35MB) Showing top 10 nodes out of 83 (cum >= 43.01MB) flat flat% sum% cum cum% 332.58MB 17.78% 17.78% 332.58MB 17.78% runtime.rawstringtmp 312.09MB 16.68% 34.46% 339.85MB 18.16% runtime.mapassign 274.15MB 14.65% 49.11% 274.15MB 14.65% runtime.makemap 165.06MB 8.82% 57.93% 165.06MB 8.82% gopkg.in/mgo%2ev2.copySession 121.17MB 6.48% 64.41% 121.17MB 6.48% github.com/gorilla/websocket.newConn 96.51MB 5.16% 69.57% 97.51MB 5.21% context.WithCancel 82.52MB 4.41% 73.98% 703.77MB 37.62% net/http.readRequest 45.51MB 2.43% 76.41% 454.68MB 24.30% net/textproto.(*Reader).ReadMIMEHeader 44.74MB 2.39% 78.80% 55.25MB 2.95% _/home/user/Documents/udesk_vistor_go/app/controllers.SocketConnection 43.01MB 2.30% 81.10% 43.01MB 2.30% net/url.parse
可使用 list lib_name 來定位到具體代碼的位置。node