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| author | Steve Reinhardt <stever@eecs.umich.edu> | 2006-10-21 23:32:14 -0700 |
|---|---|---|
| committer | Steve Reinhardt <stever@eecs.umich.edu> | 2006-10-21 23:32:14 -0700 |
| commit | 0159529343f31cc4a4496d5b5c2939f8e2e0bb95 (patch) | |
| tree | 29ffc452a11d430ec7f1e09d59f8a5f5cce28502 | |
| parent | 883ed108e443e7f9ea53fa13867a8ddf0ea9aea0 (diff) | |
| download | gem5-0159529343f31cc4a4496d5b5c2939f8e2e0bb95.tar.xz | |
Add Quiesce trace flag to track CPU quiesce/wakeup events.
--HG--
extra : convert_revision : 23be99d0fe6e2184523efe5d9e0a1ac7bf19d087
| -rw-r--r-- | src/base/traceflags.py | 1 | ||||
| -rw-r--r-- | src/cpu/quiesce_event.cc | 2 | ||||
| -rw-r--r-- | 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()) |