module_statistics.py

#!/usr/bin/env python3
 
 
 
 
 
from basf2 import Path, process, statistics
 
# Create main path
main = Path()
 
# EventInfoSetter - generate event meta data
eventinfosetter = main.add_module('EventInfoSetter',
                                  expList=[71, 71, 73, 73, 73],
                                  runList=[3, 4, 10, 20, 30],
                                  evtNumList=[40, 600, 20, 500, 301])
# eventinfo - show event meta info
eventinfo = main.add_module('EventInfoPrinter')
 
# Process all events
process(main)
 
# Print basic event statistics to stdout
print('Event Statistics:')
print(statistics)
 
# Print basic event statistics for specific modules
print('Event Statistics for selected modules:')
print(statistics(modules=[eventinfosetter]))
 
# Print statistics adding all counters
print('Total processing times:')
print(statistics(statistics.TOTAL))
 
# Make a list of all available statistic counters
statistic_counters = [
    (statistics.INIT, "initialize()"),
    (statistics.BEGIN_RUN, "beginRun()"),
    (statistics.EVENT, "event()"),
    (statistics.END_RUN, "endRun()"),
    (statistics.TERM, "terminate()"),
    (statistics.TOTAL, "*total*"),
]
 
# Print detailed statistics for each module
for stats in statistics.modules:
    print(f'Module {stats.name}:')
    for stat_counter, stat_name in statistic_counters:
        print(f' -> {stat_name:12}: {stats.time_sum(stat_counter) / 1e6:10.3f} ms, {int(stats.calls(stat_counter)):4} ' +
              f'calls, {stats.time_mean(stat_counter) / 1e6:10.3f} ' +
              f'+-{stats.time_stddev(stat_counter) / 1e6:10.3f} ms/call')
        # Time is in the default time unit which happens to be ns
    print()
 
print('Memory statistics')
for stats in statistics.modules:
    print(f'Module {stats.name}:')
    for stat_counter, stat_name in statistic_counters:
        print(f' -> {stat_name:12}: {int(stats.memory_sum(stat_counter)):10} KB, {int(stats.calls(stat_counter)):4} calls, ' +
              f'{int(stats.memory_mean(stat_counter)):10} +-{stats.memory_stddev(stat_counter):10.3f} KB/call')
 
# Get Statistics for single module
stats = statistics.get(eventinfosetter)
eventinfo_total = stats.time_sum(statistics.TOTAL)
print(f'EventInfoSetter needed {eventinfo_total / 1e6:.3f} ms in total')
 
# Print total processing time
framework_total = statistics.get_global().time_sum(statistics.TOTAL)
print(f'Total processing time: {framework_total / 1e6:.3f} ms')
 
# Calculate estimate for framework overhead
modules_total = sum(e.time_sum(statistics.TOTAL) for e in statistics.modules)
overhead = framework_total - modules_total
print(f'Framework overhead: {overhead / 1e6:.3f} ms ({100 * overhead / framework_total:.2f} %)')
print()
 
# Clear statistics
statistics.clear()
print('Empty statistics')
print(statistics)