<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">This interesting. I’m curious what the call stacks for these spin locks are?<div class=""><br class=""><div><blockquote type="cite" class=""><div class="">On Nov 3, 2014, at 3:35 PM, Boisvert, Sebastien <<a href="mailto:boisvert@anl.gov" class="">boisvert@anl.gov</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><span style="font-family: Helvetica; font-size: 15px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; float: none; display: inline !important;" class="">42.42% [kernel] [k] _spin_lock </span></div></blockquote></div><br class=""></div></body></html>