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--- mywiki:linux:network_debugging [2015/05/04 13:24] – super
+++ mywiki:linux:network_debugging [2019/09/15 18:55] (current) – external edit 127.0.0.1
@@ Line 1: / Line 1: @@
+Linux Network Proc/Debugging
 ===== Network device's MIB counters: cat /proc/net/dev =====
@@ Line 15: / Line 17: @@
 ===== Per CPU Backlog queue status: cat /proc/net/softnet_stat =====
+<file>
+Total    dropped time_squeeze -        -       -        -        -          -   cpu_collision
+</file>
+    Total: Total packet number received, including below dropped number also
+    dropped: packet dropped number for backlog queue full
+    time_squeeze: 一次的软中断的触发还不能处理完目前已经接收的数据,因而要设置下轮软中断,time_squeeze 就表示设置的次数.
+    cpu_collision: cpu冲突次数(net/sched.c)
 <file>
-processed dropped time_squeeze -      -        -        -        -     cpu_collision received_rps
 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
 00000245 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000