Messages in this thread | | | Date | Sun, 21 May 2006 15:38:16 +0300 | From | Avi Kivity <> | Subject | Re: [PATCH] 2-ptrace_multi |
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Jeff Dike wrote: >> PTRACE_MULTI can be also used to optimize many other virtualized calls, >> e.g. to read/write all the buffers for a readv/writev/recvmsg/sendmsg >> call at once. >> > > Here, I bet the data copying cost dominates the system call, and the > syscall overhead is minimal.
In addition, the aio API allows you to do that in two calls for an iovec of any size.
-- error compiling committee.c: too many arguments to function
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