From 0159529343f31cc4a4496d5b5c2939f8e2e0bb95 Mon Sep 17 00:00:00 2001 From: Steve Reinhardt Date: Sat, 21 Oct 2006 23:32:14 -0700 Subject: [PATCH] Add Quiesce trace flag to track CPU quiesce/wakeup events. --HG-- extra : convert_revision : 23be99d0fe6e2184523efe5d9e0a1ac7bf19d087 --- src/base/traceflags.py | 1 + src/cpu/quiesce_event.cc | 2 ++ src/sim/pseudo_inst.cc | 20 ++++++++++++++------ 3 files changed, 17 insertions(+), 6 deletions(-) diff --git a/src/base/traceflags.py b/src/base/traceflags.py index 298d22c2b..2402cf361 100644 --- a/src/base/traceflags.py +++ b/src/base/traceflags.py @@ -133,6 +133,7 @@ baseFlags = [ 'PciConfigAll', 'Pipeline', 'Printf', + 'Quiesce', 'ROB', 'Regs', 'Rename', diff --git a/src/cpu/quiesce_event.cc b/src/cpu/quiesce_event.cc index 8dd20db02..fa79e6d1e 100644 --- a/src/cpu/quiesce_event.cc +++ b/src/cpu/quiesce_event.cc @@ -28,6 +28,7 @@ * Authors: Kevin Lim */ +#include "cpu/base.hh" #include "cpu/thread_context.hh" #include "cpu/quiesce_event.hh" @@ -39,6 +40,7 @@ EndQuiesceEvent::EndQuiesceEvent(ThreadContext *_tc) void EndQuiesceEvent::process() { + DPRINTF(Quiesce, "activating %s\n", tc->getCpuPtr()->name()); tc->activate(); } diff --git a/src/sim/pseudo_inst.cc b/src/sim/pseudo_inst.cc index addf897c6..4eb0866a5 100644 --- a/src/sim/pseudo_inst.cc +++ b/src/sim/pseudo_inst.cc @@ -87,10 +87,15 @@ namespace AlphaPseudo EndQuiesceEvent *quiesceEvent = tc->getQuiesceEvent(); + Tick resume = curTick + Clock::Int::ns * ns; + if (quiesceEvent->scheduled()) - quiesceEvent->reschedule(curTick + Clock::Int::ns * ns); + quiesceEvent->reschedule(resume); else - quiesceEvent->schedule(curTick + Clock::Int::ns * ns); + quiesceEvent->schedule(resume); + + DPRINTF(Quiesce, "%s: quiesceNs(%d) until %d\n", + tc->getCpuPtr()->name(), ns, resume); tc->suspend(); if (tc->getKernelStats()) @@ -105,12 +110,15 @@ namespace AlphaPseudo EndQuiesceEvent *quiesceEvent = tc->getQuiesceEvent(); + Tick resume = curTick + tc->getCpuPtr()->cycles(cycles); + if (quiesceEvent->scheduled()) - quiesceEvent->reschedule(curTick + - tc->getCpuPtr()->cycles(cycles)); + quiesceEvent->reschedule(resume); else - quiesceEvent->schedule(curTick + - tc->getCpuPtr()->cycles(cycles)); + quiesceEvent->schedule(resume); + + DPRINTF(Quiesce, "%s: quiesceCycles(%d) until %d\n", + tc->getCpuPtr()->name(), cycles, resume); tc->suspend(); if (tc->getKernelStats()) -- 2.30.2