1 # SPDX-License-Identifier: GPL-2.0 2 3 from __future__ import print_function 4 5 data = {} 6 times = [] 7 threads = [] 8 cpus = [] 9 10 def get_key(time, event, cpu, thread): 11 return "%d-%s-%d-%d" % (time, event, cpu, thread) 12 13 def store_key(time, cpu, thread): 14 if (time not in times): 15 times.append(time) 16 17 if (cpu not in cpus): 18 cpus.append(cpu) 19 20 if (thread not in threads): 21 threads.append(thread) 22 23 def store(time, event, cpu, thread, val, ena, run): 24 #print("event %s cpu %d, thread %d, time %d, val %d, ena %d, run %d" % 25 # (event, cpu, thread, time, val, ena, run)) 26 27 store_key(time, cpu, thread) 28 key = get_key(time, event, cpu, thread) 29 data[key] = [ val, ena, run] 30 31 def get(time, event, cpu, thread): 32 key = get_key(time, event, cpu, thread) 33 return data[key][0] 34 35 def stat__cycles_k(cpu, thread, time, val, ena, run): 36 store(time, "cycles", cpu, thread, val, ena, run); 37 38 def stat__instructions_k(cpu, thread, time, val, ena, run): 39 store(time, "instructions", cpu, thread, val, ena, run); 40 41 def stat__cycles_u(cpu, thread, time, val, ena, run): 42 store(time, "cycles", cpu, thread, val, ena, run); 43 44 def stat__instructions_u(cpu, thread, time, val, ena, run): 45 store(time, "instructions", cpu, thread, val, ena, run); 46 47 def stat__cycles(cpu, thread, time, val, ena, run): 48 store(time, "cycles", cpu, thread, val, ena, run); 49 50 def stat__instructions(cpu, thread, time, val, ena, run): 51 store(time, "instructions", cpu, thread, val, ena, run); 52 53 def stat__interval(time): 54 for cpu in cpus: 55 for thread in threads: 56 cyc = get(time, "cycles", cpu, thread) 57 ins = get(time, "instructions", cpu, thread) 58 cpi = 0 59 60 if ins != 0: 61 cpi = cyc/float(ins) 62 63 print("%15f: cpu %d, thread %d -> cpi %f (%d/%d)" % (time/(float(1000000000)), cpu, thread, cpi, cyc, ins)) 64 65 def trace_end(): 66 pass 67 # XXX trace_end callback could be used as an alternative place 68 # to compute same values as in the script above: 69 # 70 # for time in times: 71 # for cpu in cpus: 72 # for thread in threads: 73 # cyc = get(time, "cycles", cpu, thread) 74 # ins = get(time, "instructions", cpu, thread) 75 # 76 # if ins != 0: 77 # cpi = cyc/float(ins) 78 # 79 # print("time %.9f, cpu %d, thread %d -> cpi %f" % (time/(float(1000000000)), cpu, thread, cpi)) 80