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author | Andreas Sandberg <Andreas.Sandberg@ARM.com> | 2014-10-16 05:49:41 -0400 |
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committer | Andreas Sandberg <Andreas.Sandberg@ARM.com> | 2014-10-16 05:49:41 -0400 |
commit | 9d35d48e848914fd6cf18b016cb9125c50e422c0 (patch) | |
tree | 3216b47b402751d809c75c9c9cbaedeef0787597 /src/arch/arm/tlb.cc | |
parent | 76b0ff9ecd8bd4818dff8a3cc811bee547b643b4 (diff) | |
download | gem5-9d35d48e848914fd6cf18b016cb9125c50e422c0.tar.xz |
arm: Add TLB PMU probes
This changeset adds probe points that can be used to implement PMU
counters for TLB stats. The following probes are supported:
* ArmISA::TLB::ppRefills / TLB Refills (TLB insertions)
Diffstat (limited to 'src/arch/arm/tlb.cc')
-rw-r--r-- | src/arch/arm/tlb.cc | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/arch/arm/tlb.cc b/src/arch/arm/tlb.cc index 94343c1c2..7f296e7cf 100644 --- a/src/arch/arm/tlb.cc +++ b/src/arch/arm/tlb.cc @@ -197,6 +197,7 @@ TLB::insert(Addr addr, TlbEntry &entry) table[0] = entry; inserts++; + ppRefills->notify(1); } void @@ -531,6 +532,12 @@ TLB::regStats() accesses = readAccesses + writeAccesses + instAccesses; } +void +TLB::regProbePoints() +{ + ppRefills.reset(new ProbePoints::PMU(getProbeManager(), "Refills")); +} + Fault TLB::translateSe(RequestPtr req, ThreadContext *tc, Mode mode, Translation *translation, bool &delay, bool timing) |