mem: Add a script to dump stats every fixed number of ticks

simple_stats_dump.py

@@ -0,0 +1,67 @@
+from m5.objects import *
+import m5
+
+system = System()
+system.clk_domain = SrcClockDomain()
+system.clk_domain.clock = "4GHz"
+system.clk_domain.voltage_domain = VoltageDomain()
+system.mem_mode = 'timing'
+
+system.generator = PyTrafficGen()
+
+system.mem_ctrl = DcacheCtrl()
+system.mem_ctrl.dram = DDR3_1600_8x8(range=AddrRange('1GB'), in_addr_map=False)
+system.mem_ctrl.nvm = NVM_2400_1x64(range=AddrRange('1GB'))
+
+system.mem_ctrl.dram.tREFI = "1000"
+system.mem_ctrl.nvm.max_pending_reads = "256"
+system.mem_ctrl.orb_max_size = "512"
+system.mem_ctrl.crb_max_size = "32"
+#system.mem_ctrl.static_frontend_latency = "0ns"
+
+system.mem_ranges = [AddrRange('1GB')]
+
+system.generator.port = system.mem_ctrl.port
+
+def createRandomTraffic(tgen):
+    yield tgen.createRandom(100000000,   # duration 100000000000
+                            0,          # min_addr
+                            16700000,   # max_adr
+                            64,         # block_size
+                            1000,       # min_period
+                            1000,       # max_period
+                            50,         # rd_perc
+                            0)       # data_limit
+    yield tgen.createExit(0)
+
+def createLinearTraffic(tgen):
+    yield tgen.createLinear(1000000000000,   # duration
+                            0,          # min_addr
+                            16700000,   # max_adr
+                            64,         # block_size
+                            1000,       # min_period
+                            1000,       # max_period
+                            100,         # rd_perc
+                            0)          # data_limit
+    yield tgen.createExit(0)
+
+
+root = Root(full_system=False, system=system)
+
+m5.instantiate()
+system.generator.start(createRandomTraffic(system.generator))
+#system.generator.start(createLinearTraffic(system.generator))
+
+# stop simulation after a certain number of ticks
+
+# dumping stats every x number of ticks
+
+while True:
+    exit_event = m5.simulate(200000)
+    exit_cause = exit_event.getCause()
+    if exit_cause == 'simulate() limit reached':
+        m5.stats.dump()
+        print(exit_cause)
+    else:
+        print('Exiting simulation!')
+        break