TASK_KILLABLE：Linux 中的新进程状态【转】 - Sky&Zhang - 博客园
网页int wait_event_killable(wait_queue_t queue, condition); 该函数定义在 include/linux/wait.h 中；它将处于可终止睡眠状态的调用进程置于 queue 中，直到 condition 等于 true 。
linux内核nfs rpc task处理分析 - 腾讯云
网页内核rpc处理关键函数调用了trace event，因此可以通过perf event来跟踪rpc task的执行流程. 代码语言： c. 复制. # perf list | grep sunrpc | grep task . sunrpc:rpc_task_begin [Tracepoint event] . sunrpc:rpc_task_complete [Tracepoint event] . sunrpc:rpc_task_run_action [Tracepoint event] .
Using nfsstat and nfsiostat to troubleshoot NFS performance issues on ...
网页2020年4月13日 · The nfsstat command displays statistical information about the NFS and Remote Procedure Call (RPC) interfaces to the kernel. On the NFS server, run the following command: nfsstat -s. The output should be similar to the below: Server rpc stats: calls badcalls badclnt badauth xdrcall. 107310012 0 0 0 0.
nfs - What could be the cause for going to uniterruptable deep …
网页2016年6月21日 · In the case of NFS, a process can spend a lot of time in 'D' state waiting for the NFS server to respond. The default behaviour of an NFS client is to retry for up to 60 seconds (see the timeo option from man nfs) before retrying. This will mean a process may be in I/O wait for at least 60 seconds if there is a problem.
Process waiting on NFS transitions to uninterruptable sleep when ...
网页2019年9月13日 · It turned out that when a process waiting in the stat system call on a mountpoint of a diconnected NFS server, it responds to signals as expected. For example, one can exit it pressing Strc+C, or it displays "Alarm …
NFS client system hangs with heavy IO load, rpciod stuck at nfs…
网页Randomly seeing "blocked for more than 120 seconds" and stacktrace on NFS client systems, which seems to occur during periods of heavy IO load. See nfs: server [...] not responding, still trying indicating NFS client is having …
NFS - ArchWiki
网页Network File System (NFS) is a distributed file system protocol originally developed by Sun Microsystems in 1984, allowing a user on a client computer to access files over a network in a manner similar to how local storage is …
Server load high, CPU idle. NFS the cause?
网页8. I am running into a scenario where I'm seeing a high server load (sometimes upwards of 20 or 30) and a very low CPU usage (98% idle). I'm wondering if these wait states are coming as part of an NFS filesystem connection. Here is what I see in VMStat. procs -----------memory---------- ---swap-- -----io---- --system-- -----cpu------
linux/fs/nfs/client.c at master · torvalds/linux · GitHub
网页struct nfs_client *nfs_get_client(const struct nfs_client_initdata *cl_init) struct nfs_client *clp, *new = NULL; struct nfs_net *nn = net_generic(cl_init->net, nfs_net_id);
How to deal with NFS latency in shell scripts - Stack Overflow
网页2009年12月24日 · Also you might adjust your NFS mount parameters, to get rid of the root problem. A sync might also help. See NFS docs.