Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 1 | # SPDX-License-Identifier: GPL-2.0 |
| 2 | |
David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame] | 3 | from __future__ import print_function |
| 4 | |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 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): |
David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame] | 24 | #print("event %s cpu %d, thread %d, time %d, val %d, ena %d, run %d" % |
| 25 | # (event, cpu, thread, time, val, ena, run)) |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 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 | |
David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame] | 63 | print("%15f: cpu %d, thread %d -> cpi %f (%d/%d)" % (time/(float(1000000000)), cpu, thread, cpi, cyc, ins)) |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 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 | # |
David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame] | 79 | # print("time %.9f, cpu %d, thread %d -> cpi %f" % (time/(float(1000000000)), cpu, thread, cpi)) |