On 9/29/2017 9:11 AM, Eelco Chaudron wrote: > v2: > * Moved mlockall() after rte_eal_init() to allow rte_log() to be used > * Check for mlockall() return value, and add an rte_log() > > Call the mlockall() function, to attempt to lock all of its process > memory into physical RAM, and preventing the kernel from paging any > of its memory to disk. > > When using testpmd for performance testing, depending on the code path > taken, we see a couple of page faults in a row. These faults effect > the overall drop-rate of testpmd. On Linux the mlockall() call will > prefault all the pages of testpmd (and the DPDK libraries if linked > dynamically), even without LD_BIND_NOW. > > Signed-off-by: Eelco Chaudron <[email protected]>
Acked-by: Aaron Conole <[email protected]> Acked-by: Maxime Coquelin <[email protected]> Applied to dpdk/master, thanks. (Kept ACKs from previous version of the patch)
