stats: update stats for cache occupancy and clock domain changes

4 files changed, 111 insertions, 12 deletions

diff --git a/tests/quick/se/00.hello/ref/arm/linux/o3-timing/config.ini b/tests/quick/se/00.hello/ref/arm/linux/o3-timing/config.ini
index 507cb5799..9b066fde0 100644
--- a/tests/quick/se/00.hello/ref/arm/linux/o3-timing/config.ini
+++ b/tests/quick/se/00.hello/ref/arm/linux/o3-timing/config.ini
@@ -1,7 +1,9 @@
 [root]
 type=Root
 children=system
+eventq_index=0
 full_system=false
+sim_quantum=0
 time_sync_enable=false
 time_sync_period=100000000000
 time_sync_spin_threshold=100000000
@@ -12,6 +14,7 @@ children=clk_domain cpu cpu_clk_domain membus physmem voltage_domain
 boot_osflags=a
 cache_line_size=64
 clk_domain=system.clk_domain
+eventq_index=0
 init_param=0
 kernel=
 load_addr_mask=1099511627775
@@ -33,6 +36,7 @@ system_port=system.membus.slave[0]
 [system.clk_domain]
 type=SrcClockDomain
 clock=1000
+eventq_index=0
 voltage_domain=system.voltage_domain
 
 [system.cpu]
@@ -64,6 +68,8 @@ do_checkpoint_insts=true
 do_quiesce=true
 do_statistics_insts=true
 dtb=system.cpu.dtb
+eventq_index=0
+fetchBufferSize=64
 fetchToDecodeDelay=1
 fetchTrapLatency=1
 fetchWidth=8
@@ -128,6 +134,7 @@ BTBTagSize=16
 RASSize=16
 choiceCtrBits=2
 choicePredictorSize=8192
+eventq_index=0
 globalCtrBits=2
 globalPredictorSize=8192
 instShiftAmt=2
@@ -143,6 +150,7 @@ children=tags
 addr_ranges=0:18446744073709551615
 assoc=2
 clk_domain=system.cpu_clk_domain
+eventq_index=0
 forward_snoops=true
 hit_latency=2
 is_top_level=true
@@ -151,6 +159,7 @@ mshrs=4
 prefetch_on_access=false
 prefetcher=Null
 response_latency=2
+sequential_access=false
 size=262144
 system=system
 tags=system.cpu.dcache.tags
@@ -165,18 +174,22 @@ type=LRU
 assoc=2
 block_size=64
 clk_domain=system.cpu_clk_domain
+eventq_index=0
 hit_latency=2
+sequential_access=false
 size=262144
 
 [system.cpu.dtb]
 type=ArmTLB
 children=walker
+eventq_index=0
 size=64
 walker=system.cpu.dtb.walker
 
 [system.cpu.dtb.walker]
 type=ArmTableWalker
 clk_domain=system.cpu_clk_domain
+eventq_index=0
 num_squash_per_cycle=2
 sys=system
 port=system.cpu.toL2Bus.slave[3]
@@ -185,15 +198,18 @@ port=system.cpu.toL2Bus.slave[3]
 type=FUPool
 children=FUList0 FUList1 FUList2 FUList3 FUList4 FUList5 FUList6 FUList7 FUList8
 FUList=system.cpu.fuPool.FUList0 system.cpu.fuPool.FUList1 system.cpu.fuPool.FUList2 system.cpu.fuPool.FUList3 system.cpu.fuPool.FUList4 system.cpu.fuPool.FUList5 system.cpu.fuPool.FUList6 system.cpu.fuPool.FUList7 system.cpu.fuPool.FUList8
+eventq_index=0
 
 [system.cpu.fuPool.FUList0]
 type=FUDesc
 children=opList
 count=6
+eventq_index=0
 opList=system.cpu.fuPool.FUList0.opList
 
 [system.cpu.fuPool.FUList0.opList]
 type=OpDesc
+eventq_index=0
 issueLat=1
 opClass=IntAlu
 opLat=1
@@ -202,16 +218,19 @@ opLat=1
 type=FUDesc
 children=opList0 opList1
 count=2
+eventq_index=0
 opList=system.cpu.fuPool.FUList1.opList0 system.cpu.fuPool.FUList1.opList1
 
 [system.cpu.fuPool.FUList1.opList0]
 type=OpDesc
+eventq_index=0
 issueLat=1
 opClass=IntMult
 opLat=3
 
 [system.cpu.fuPool.FUList1.opList1]
 type=OpDesc
+eventq_index=0
 issueLat=19
 opClass=IntDiv
 opLat=20
@@ -220,22 +239,26 @@ opLat=20
 type=FUDesc
 children=opList0 opList1 opList2
 count=4
+eventq_index=0
 opList=system.cpu.fuPool.FUList2.opList0 system.cpu.fuPool.FUList2.opList1 system.cpu.fuPool.FUList2.opList2
 
 [system.cpu.fuPool.FUList2.opList0]
 type=OpDesc
+eventq_index=0
 issueLat=1
 opClass=FloatAdd
 opLat=2
 
 [system.cpu.fuPool.FUList2.opList1]
 type=OpDesc
+eventq_index=0
 issueLat=1
 opClass=FloatCmp
 opLat=2
 
 [system.cpu.fuPool.FUList2.opList2]
 type=OpDesc
+eventq_index=0
 issueLat=1
 opClass=FloatCvt
 opLat=2
@@ -244,22 +267,26 @@ opLat=2
 type=FUDesc
 children=opList0 opList1 opList2
 count=2
+eventq_index=0
 opList=system.cpu.fuPool.FUList3.opList0 system.cpu.fuPool.FUList3.opList1 system.cpu.fuPool.FUList3.opList2
 
 [system.cpu.fuPool.FUList3.opList0]
 type=OpDesc
+eventq_index=0
 issueLat=1
 opClass=FloatMult
 opLat=4
 
 [system.cpu.fuPool.FUList3.opList1]
 type=OpDesc
+eventq_index=0
 issueLat=12
 opClass=FloatDiv
 opLat=12
 
 [system.cpu.fuPool.FUList3.opList2]
 type=OpDesc
+eventq_index=0
 issueLat=24
 opClass=FloatSqrt
 opLat=24
@@ -268,10 +295,12 @@ opLat=24
 type=FUDesc
 children=opList
 count=0
+eventq_index=0
 opList=system.cpu.fuPool.FUList4.opList
 
 [system.cpu.fuPool.FUList4.opList]
 type=OpDesc
+eventq_index=0
 issueLat=1
 opClass=MemRead
 opLat=1
@@ -280,124 +309,145 @@ opLat=1
 type=FUDesc
 children=opList00 opList01 opList02 opList03 opList04 opList05 opList06 opList07 opList08 opList09 opList10 opList11 opList12 opList13 opList14 opList15 opList16 opList17 opList18 opList19
 count=4
+eventq_index=0
 opList=system.cpu.fuPool.FUList5.opList00 system.cpu.fuPool.FUList5.opList01 system.cpu.fuPool.FUList5.opList02 system.cpu.fuPool.FUList5.opList03 system.cpu.fuPool.FUList5.opList04 system.cpu.fuPool.FUList5.opList05 system.cpu.fuPool.FUList5.opList06 system.cpu.fuPool.FUList5.opList07 system.cpu.fuPool.FUList5.opList08 system.cpu.fuPool.FUList5.opList09 system.cpu.fuPool.FUList5.opList10 system.cpu.fuPool.FUList5.opList11 system.cpu.fuPool.FUList5.opList12 system.cpu.fuPool.FUList5.opList13 system.cpu.fuPool.FUList5.opList14 system.cpu.fuPool.FUList5.opList15 system.cpu.fuPool.FUList5.opList16 system.cpu.fuPool.FUList5.opList17 system.cpu.fuPool.FUList5.opList18 system.cpu.fuPool.FUList5.opList19
 
 [system.cpu.fuPool.FUList5.opList00]
 type=OpDesc
+eventq_index=0
 issueLat=1
 opClass=SimdAdd
 opLat=1
 
 [system.cpu.fuPool.FUList5.opList01]
 type=OpDesc
+eventq_index=0
 issueLat=1
 opClass=SimdAddAcc
 opLat=1
 
 [system.cpu.fuPool.FUList5.opList02]
 type=OpDesc
+eventq_index=0
 issueLat=1
 opClass=SimdAlu
 opLat=1
 
 [system.cpu.fuPool.FUList5.opList03]
 type=OpDesc
+eventq_index=0
 issueLat=1
 opClass=SimdCmp
 opLat=1
 
 [system.cpu.fuPool.FUList5.opList04]
 type=OpDesc
+eventq_index=0
 issueLat=1
 opClass=SimdCvt
 opLat=1
 
 [system.cpu.fuPool.FUList5.opList05]
 type=OpDesc
+eventq_index=0
 issueLat=1
 opClass=SimdMisc
 opLat=1
 
 [system.cpu.fuPool.FUList5.opList06]
 type=OpDesc
+eventq_index=0
 issueLat=1
 opClass=SimdMult
 opLat=1
 
 [system.cpu.fuPool.FUList5.opList07]
 type=OpDesc
+eventq_index=0
 issueLat=1
 opClass=SimdMultAcc
 opLat=1
 
 [system.cpu.fuPool.FUList5.opList08]
 type=OpDesc
+eventq_index=0
 issueLat=1
 opClass=SimdShift
 opLat=1
 
 [system.cpu.fuPool.FUList5.opList09]
 type=OpDesc
+eventq_index=0
 issueLat=1
 opClass=SimdShiftAcc
 opLat=1
 
 [system.cpu.fuPool.FUList5.opList10]
 type=OpDesc
+eventq_index=0
 issueLat=1
 opClass=SimdSqrt
 opLat=1
 
 [system.cpu.fuPool.FUList5.opList11]
 type=OpDesc
+eventq_index=0
 issueLat=1
 opClass=SimdFloatAdd
 opLat=1
 
 [system.cpu.fuPool.FUList5.opList12]
 type=OpDesc
+eventq_index=0
 issueLat=1
 opClass=SimdFloatAlu
 opLat=1
 
 [system.cpu.fuPool.FUList5.opList13]
 type=OpDesc
+eventq_index=0
 issueLat=1
 opClass=SimdFloatCmp
 opLat=1
 
 [system.cpu.fuPool.FUList5.opList14]
 type=OpDesc
+eventq_index=0
 issueLat=1
 opClass=SimdFloatCvt
 opLat=1
 
 [system.cpu.fuPool.FUList5.opList15]
 type=OpDesc
+eventq_index=0
 issueLat=1
 opClass=SimdFloatDiv
 opLat=1
 
 [system.cpu.fuPool.FUList5.opList16]
 type=OpDesc
+eventq_index=0
 issueLat=1
 opClass=SimdFloatMisc
 opLat=1
 
 [system.cpu.fuPool.FUList5.opList17]
 type=OpDesc
+eventq_index=0
 issueLat=1
 opClass=SimdFloatMult
 opLat=1
 
 [system.cpu.fuPool.FUList5.opList18]
 type=OpDesc
+eventq_index=0
 issueLat=1
 opClass=SimdFloatMultAcc
 opLat=1
 
 [system.cpu.fuPool.FUList5.opList19]
 type=OpDesc
+eventq_index=0
 issueLat=1
 opClass=SimdFloatSqrt
 opLat=1
@@ -406,10 +456,12 @@ opLat=1
 type=FUDesc
 children=opList
 count=0
+eventq_index=0
 opList=system.cpu.fuPool.FUList6.opList
 
 [system.cpu.fuPool.FUList6.opList]
 type=OpDesc
+eventq_index=0
 issueLat=1
 opClass=MemWrite
 opLat=1
@@ -418,16 +470,19 @@ opLat=1
 type=FUDesc
 children=opList0 opList1
 count=4
+eventq_index=0
 opList=system.cpu.fuPool.FUList7.opList0 system.cpu.fuPool.FUList7.opList1
 
 [system.cpu.fuPool.FUList7.opList0]
 type=OpDesc
+eventq_index=0
 issueLat=1
 opClass=MemRead
 opLat=1
 
 [system.cpu.fuPool.FUList7.opList1]
 type=OpDesc
+eventq_index=0
 issueLat=1
 opClass=MemWrite
 opLat=1
@@ -436,10 +491,12 @@ opLat=1
 type=FUDesc
 children=opList
 count=1
+eventq_index=0
 opList=system.cpu.fuPool.FUList8.opList
 
 [system.cpu.fuPool.FUList8.opList]
 type=OpDesc
+eventq_index=0
 issueLat=3
 opClass=IprAccess
 opLat=3
@@ -450,6 +507,7 @@ children=tags
 addr_ranges=0:18446744073709551615
 assoc=2
 clk_domain=system.cpu_clk_domain
+eventq_index=0
 forward_snoops=true
 hit_latency=2
 is_top_level=true
@@ -458,6 +516,7 @@ mshrs=4
 prefetch_on_access=false
 prefetcher=Null
 response_latency=2
+sequential_access=false
 size=131072
 system=system
 tags=system.cpu.icache.tags
@@ -472,14 +531,18 @@ type=LRU
 assoc=2
 block_size=64
 clk_domain=system.cpu_clk_domain
+eventq_index=0
 hit_latency=2
+sequential_access=false
 size=131072
 
 [system.cpu.interrupts]
 type=ArmInterrupts
+eventq_index=0
 
 [system.cpu.isa]
 type=ArmISA
+eventq_index=0
 fpsid=1090793632
 id_isar0=34607377
 id_isar1=34677009
@@ -498,12 +561,14 @@ midr=890224640
 [system.cpu.itb]
 type=ArmTLB
 children=walker
+eventq_index=0
 size=64
 walker=system.cpu.itb.walker
 
 [system.cpu.itb.walker]
 type=ArmTableWalker
 clk_domain=system.cpu_clk_domain
+eventq_index=0
 num_squash_per_cycle=2
 sys=system
 port=system.cpu.toL2Bus.slave[2]
@@ -514,6 +579,7 @@ children=tags
 addr_ranges=0:18446744073709551615
 assoc=8
 clk_domain=system.cpu_clk_domain
+eventq_index=0
 forward_snoops=true
 hit_latency=20
 is_top_level=false
@@ -522,6 +588,7 @@ mshrs=20
 prefetch_on_access=false
 prefetcher=Null
 response_latency=20
+sequential_access=false
 size=2097152
 system=system
 tags=system.cpu.l2cache.tags
@@ -536,12 +603,15 @@ type=LRU
 assoc=8
 block_size=64
 clk_domain=system.cpu_clk_domain
+eventq_index=0
 hit_latency=20
+sequential_access=false
 size=2097152
 
 [system.cpu.toL2Bus]
 type=CoherentBus
 clk_domain=system.cpu_clk_domain
+eventq_index=0
 header_cycles=1
 system=system
 use_default_range=false
@@ -551,6 +621,7 @@ slave=system.cpu.icache.mem_side system.cpu.dcache.mem_side system.cpu.itb.walke
 
 [system.cpu.tracer]
 type=ExeTracer
+eventq_index=0
 
 [system.cpu.workload]
 type=LiveProcess
@@ -560,7 +631,8 @@ egid=100
 env=
 errout=cerr
 euid=100
-executable=/dist/m5/regression/test-progs/hello/bin/arm/linux/hello
+eventq_index=0
+executable=/dist/test-progs/hello/bin/arm/linux/hello
 gid=100
 input=cin
 max_stack_size=67108864
@@ -574,11 +646,13 @@ uid=100
 [system.cpu_clk_domain]
 type=SrcClockDomain
 clock=500
+eventq_index=0
 voltage_domain=system.voltage_domain
 
 [system.membus]
 type=CoherentBus
 clk_domain=system.clk_domain
+eventq_index=0
 header_cycles=1
 system=system
 use_default_range=false
@@ -598,6 +672,7 @@ conf_table_reported=true
 device_bus_width=8
 device_rowbuffer_size=1024
 devices_per_rank=8
+eventq_index=0
 in_addr_map=true
 mem_sched_policy=frfcfs
 null=false
@@ -609,17 +684,21 @@ static_backend_latency=10000
 static_frontend_latency=10000
 tBURST=5000
 tCL=13750
+tRAS=35000
 tRCD=13750
 tREFI=7800000
 tRFC=300000
 tRP=13750
+tRRD=6250
 tWTR=7500
 tXAW=40000
 write_buffer_size=32
-write_thresh_perc=70
+write_high_thresh_perc=70
+write_low_thresh_perc=0
 port=system.membus.master[0]
 
 [system.voltage_domain]
 type=VoltageDomain
+eventq_index=0
 voltage=1.000000
 
diff --git a/tests/quick/se/00.hello/ref/arm/linux/o3-timing/simerr b/tests/quick/se/00.hello/ref/arm/linux/o3-timing/simerr
index e45cd058f..1a4f96712 100755
--- a/tests/quick/se/00.hello/ref/arm/linux/o3-timing/simerr
+++ b/tests/quick/se/00.hello/ref/arm/linux/o3-timing/simerr
@@ -1,2 +1 @@
 warn: Sockets disabled, not accepting gdb connections
-hack: be nice to actually delete the event here
diff --git a/tests/quick/se/00.hello/ref/arm/linux/o3-timing/simout b/tests/quick/se/00.hello/ref/arm/linux/o3-timing/simout
index d3be13c32..5df86194c 100755
--- a/tests/quick/se/00.hello/ref/arm/linux/o3-timing/simout
+++ b/tests/quick/se/00.hello/ref/arm/linux/o3-timing/simout
@@ -1,11 +1,11 @@
 gem5 Simulator System.  http://gem5.org
 gem5 is copyrighted software; use the --copyright option for details.
 
-gem5 compiled Oct 16 2013 01:36:42
-gem5 started Oct 16 2013 01:55:13
-gem5 executing on zizzer
+gem5 compiled Jan 22 2014 17:24:06
+gem5 started Jan 22 2014 17:30:21
+gem5 executing on u200540-lin
 command line: build/ARM/gem5.opt -d build/ARM/tests/opt/quick/se/00.hello/arm/linux/o3-timing -re tests/run.py build/ARM/tests/opt/quick/se/00.hello/arm/linux/o3-timing
 Global frequency set at 1000000000000 ticks per second
 info: Entering event queue @ 0.  Starting simulation...
 Hello world!
-Exiting @ tick 16494000 because target called exit()
+Exiting @ tick 16981000 because target called exit()
diff --git a/tests/quick/se/00.hello/ref/arm/linux/o3-timing/stats.txt b/tests/quick/se/00.hello/ref/arm/linux/o3-timing/stats.txt
index 1007daea2..3ffee0645 100644
--- a/tests/quick/se/00.hello/ref/arm/linux/o3-timing/stats.txt
+++ b/tests/quick/se/00.hello/ref/arm/linux/o3-timing/stats.txt
@@ -4,13 +4,15 @@ sim_seconds                                  0.000017                       # Nu
 sim_ticks                                    16981000                       # Number of ticks simulated
 final_tick                                   16981000                       # Number of ticks from beginning of simulation (restored from checkpoints and never reset)
 sim_freq                                 1000000000000                       # Frequency of simulated ticks
-host_inst_rate                                  59313                       # Simulator instruction rate (inst/s)
-host_op_rate                                    73997                       # Simulator op (including micro ops) rate (op/s)
-host_tick_rate                              219275591                       # Simulator tick rate (ticks/s)
-host_mem_usage                                 240508                       # Number of bytes of host memory used
-host_seconds                                     0.08                       # Real time elapsed on the host
+host_inst_rate                                  34743                       # Simulator instruction rate (inst/s)
+host_op_rate                                    43351                       # Simulator op (including micro ops) rate (op/s)
+host_tick_rate                              128481440                       # Simulator tick rate (ticks/s)
+host_mem_usage                                 246872                       # Number of bytes of host memory used
+host_seconds                                     0.13                       # Real time elapsed on the host
 sim_insts                                        4591                       # Number of instructions simulated
 sim_ops                                          5729                       # Number of ops (including micro ops) simulated
+system.voltage_domain.voltage                       1                       # Voltage in Volts
+system.clk_domain.clock                          1000                       # Clock period in ticks
 system.physmem.bytes_read::cpu.inst             17280                       # Number of bytes read from this memory
 system.physmem.bytes_read::cpu.data              7808                       # Number of bytes read from this memory
 system.physmem.bytes_read::total                25088                       # Number of bytes read from this memory
@@ -215,6 +217,7 @@ system.membus.reqLayer0.occupancy              483500                       # La
 system.membus.reqLayer0.utilization               2.8                       # Layer utilization (%)
 system.membus.respLayer1.occupancy            3646500                       # Layer occupancy (ticks)
 system.membus.respLayer1.utilization             21.5                       # Layer utilization (%)
+system.cpu_clk_domain.clock                       500                       # Clock period in ticks
 system.cpu.branchPred.lookups                    2481                       # Number of BP lookups
 system.cpu.branchPred.condPredicted              1780                       # Number of conditional branches predicted
 system.cpu.branchPred.condIncorrect               482                       # Number of conditional branches incorrect
@@ -552,6 +555,12 @@ system.cpu.icache.tags.warmup_cycle                 0                       # Cy
 system.cpu.icache.tags.occ_blocks::cpu.inst   148.072869                       # Average occupied blocks per requestor
 system.cpu.icache.tags.occ_percent::cpu.inst     0.072301                       # Average percentage of cache occupancy
 system.cpu.icache.tags.occ_percent::total     0.072301                       # Average percentage of cache occupancy
+system.cpu.icache.tags.occ_task_id_blocks::1024          286                       # Occupied blocks per task id
+system.cpu.icache.tags.age_task_id_blocks_1024::0          168                       # Occupied blocks per task id
+system.cpu.icache.tags.age_task_id_blocks_1024::1          118                       # Occupied blocks per task id
+system.cpu.icache.tags.occ_task_id_percent::1024     0.139648                       # Percentage of cache occupancy per task id
+system.cpu.icache.tags.tag_accesses              4184                       # Number of tag accesses
+system.cpu.icache.tags.data_accesses             4184                       # Number of data accesses
 system.cpu.icache.ReadReq_hits::cpu.inst         1584                       # number of ReadReq hits
 system.cpu.icache.ReadReq_hits::total            1584                       # number of ReadReq hits
 system.cpu.icache.demand_hits::cpu.inst          1584                       # number of demand (read+write) hits
@@ -638,6 +647,12 @@ system.cpu.l2cache.tags.occ_blocks::cpu.data    47.132739
 system.cpu.l2cache.tags.occ_percent::cpu.inst     0.004255                       # Average percentage of cache occupancy
 system.cpu.l2cache.tags.occ_percent::cpu.data     0.001438                       # Average percentage of cache occupancy
 system.cpu.l2cache.tags.occ_percent::total     0.005693                       # Average percentage of cache occupancy
+system.cpu.l2cache.tags.occ_task_id_blocks::1024          350                       # Occupied blocks per task id
+system.cpu.l2cache.tags.age_task_id_blocks_1024::0          193                       # Occupied blocks per task id
+system.cpu.l2cache.tags.age_task_id_blocks_1024::1          157                       # Occupied blocks per task id
+system.cpu.l2cache.tags.occ_task_id_percent::1024     0.010681                       # Percentage of cache occupancy per task id
+system.cpu.l2cache.tags.tag_accesses             3887                       # Number of tag accesses
+system.cpu.l2cache.tags.data_accesses            3887                       # Number of data accesses
 system.cpu.l2cache.ReadReq_hits::cpu.inst           20                       # number of ReadReq hits
 system.cpu.l2cache.ReadReq_hits::cpu.data           20                       # number of ReadReq hits
 system.cpu.l2cache.ReadReq_hits::total             40                       # number of ReadReq hits
@@ -770,6 +785,12 @@ system.cpu.dcache.tags.warmup_cycle                 0                       # Cy
 system.cpu.dcache.tags.occ_blocks::cpu.data    87.464066                       # Average occupied blocks per requestor
 system.cpu.dcache.tags.occ_percent::cpu.data     0.021354                       # Average percentage of cache occupancy
 system.cpu.dcache.tags.occ_percent::total     0.021354                       # Average percentage of cache occupancy
+system.cpu.dcache.tags.occ_task_id_blocks::1024          146                       # Occupied blocks per task id
+system.cpu.dcache.tags.age_task_id_blocks_1024::0           57                       # Occupied blocks per task id
+system.cpu.dcache.tags.age_task_id_blocks_1024::1           89                       # Occupied blocks per task id
+system.cpu.dcache.tags.occ_task_id_percent::1024     0.035645                       # Percentage of cache occupancy per task id
+system.cpu.dcache.tags.tag_accesses              5930                       # Number of tag accesses
+system.cpu.dcache.tags.data_accesses             5930                       # Number of data accesses
 system.cpu.dcache.ReadReq_hits::cpu.data         1767                       # number of ReadReq hits
 system.cpu.dcache.ReadReq_hits::total            1767                       # number of ReadReq hits
 system.cpu.dcache.WriteReq_hits::cpu.data          606                       # number of WriteReq hits