Re: [PATCH v4 net-next] net: poll/select low latency socket support
From: Andi Kleen <hidden>
Date: 2013-06-28 04:43:10
Also in:
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quoted hunk ↗ jump to hunk
@@ -400,6 +402,8 @@ int do_select(int n, fd_set_bits *fds, struct timespec *end_time) poll_table *wait; int retval, i, timed_out = 0; unsigned long slack = 0; + unsigned int ll_flag = POLL_LL; + u64 ll_time = ll_end_time();
So you're adding a sched_clock to every select call, even if it has nothing to do with ll? That seems rather drastic. select can be performance critical. -andi ------------------------------------------------------------------------------ This SF.net email is sponsored by Windows: Build for Windows Store. http://p.sf.net/sfu/windows-dev2dev _______________________________________________ E1000-devel mailing list E1000-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/e1000-devel To learn more about Intel® Ethernet, visit http://communities.intel.com/community/wired