From 87bb72a47a1fc64b98e498120e332de76e6a9211 Mon Sep 17 00:00:00 2001 From: Dave Parks Date: Wed, 30 Nov 2022 13:25:00 -0600 Subject: SL-18154 WIP -- CPU sampling (AMD uProf) profile guided optimizations to reduce CPU usage of background threads. --- indra/llcommon/llqueuedthread.cpp | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) (limited to 'indra/llcommon/llqueuedthread.cpp') diff --git a/indra/llcommon/llqueuedthread.cpp b/indra/llcommon/llqueuedthread.cpp index e5060a1076..9b1de2e9a5 100644 --- a/indra/llcommon/llqueuedthread.cpp +++ b/indra/llcommon/llqueuedthread.cpp @@ -477,9 +477,14 @@ void LLQueuedThread::processRequest(LLQueuedThread::QueuedRequest* req) mRequestQueue.post([=] { LL_PROFILE_ZONE_NAMED("processRequest - retry"); - while (LL::WorkQueue::TimePoint::clock::now() < retry_time) + if (LL::WorkQueue::TimePoint::clock::now() < retry_time) { - std::this_thread::yield(); //note: don't use LLThread::yield here to avoid + auto sleep_time = std::chrono::duration_cast(retry_time - LL::WorkQueue::TimePoint::clock::now()); + + if (sleep_time.count() > 0) + { + ms_sleep(sleep_time.count()); + } } processRequest(req); }); -- cgit v1.2.3