def __show_info(cls, occurrence, all_events_opt, all_metrics_opt, all_opt):
""" Display information about an ocurrence (event or metric)
Parameters:
occurrence - the event or metric to be displayed.
all_opt - if should display all ocurrences
all_events_opt - if should display all events only
all_metrics_opt - if should display all metrics only
"""
processor = core.get_processor()
core.supported_feature(processor, "Info")
inf_h = InfoHandler()
inf_h.show_info(occurrence, all_events_opt, all_metrics_opt, all_opt)
return 0
def __compare_from_lists(self, comparison_type):
""" Compare form list of dictionaries """
if comparison_type == 'metric':
metrics = {}
# Calculate metrics values
processor = core.get_processor()
metrics_calc = metrics_calculator.MetricsCalculator(processor)
for events in self.profile_list:
metrics_values = metrics_calc.calculate_metrics(events)
for values in metrics_values:
metrics[str(values[0])] = values[1]
self.profile_list.append(metrics)
self.__create_dict(self.profile_list)
return self.__compare_(self.dict_vals)
def load_profiling_list(self, file_names, comparison_type):
""" Create a list with two dictionaries containing
"event|metric:value" pairs """
dict_list = []
for file_name in file_names:
events = core.get_events_from_file(file_name)
if comparison_type == 'event':
dict_list.append(events)
elif comparison_type == 'metric':
metrics = {}
# Calculate metrics values
processor = core.get_processor()
metrics_calc = metrics_calculator.MetricsCalculator(processor)
metrics_values = metrics_calc.calculate_metrics(events)
for values in metrics_values:
metrics[str(values[0])] = values[1]
dict_list.append(metrics)
self.profile_list = dict_list
def __display(cls, cpi_file, breakdown_format, top_events, top_metrics):
"""
Show the output of CPI recording
Parameters:
cpi_file - the file where the value of the recorded events is saved
breakdown_format - the format the breakdown output will be printed
top_events - show top 'n' events
top_metrics - show top 'n' metrics
"""
events = core.get_events_from_file(cpi_file)
# Calculate metrics values
processor = core.get_processor()
metrics_calc = metrics_calculator.MetricsCalculator(processor)
metrics_value = metrics_calc.calculate_metrics(events)
# Show events and metrics hot spots
if top_metrics is not None or top_events is not None:
hot_s = HotSpots()
if top_metrics:
hot_s.print_metrics_hotspots(top_metrics, metrics_value)
if top_events:
hot_s.print_events_hotspots(top_events, events.items())
# Show breakdown output
else:
if breakdown_format == 'table':
sorted_metrics = sorted(metrics_value,
key=lambda x:
float(x[2]),
reverse=True)
table = MetricsTable(sorted_metrics)
table.print_table()
elif breakdown_format == 'tree':
tree = BreakdownTree(metrics_calc.get_raw_metrics(),
metrics_value)
tree.print_tree()
* Rafael Peria de Sene <*****@*****.**>
"""
import unittest
import os
from cpi import core
class DrilldownExecutionTest(unittest.TestCase):
""" Class to test drilldown execution """
dir_path = os.path.dirname(os.path.realpath(__file__))
with open("./cpi/events/power8.yaml") as f:
clean_output = []
events_list = f.read().replace(" ", "").splitlines()
for event in events_list:
if 'PM' in event:
clean_output.append(event.split(':')[0])
def execution_test(self):
self.assertTrue(len(self.clean_output) == 46)
if core.cmdexists('cpi'):
for event in self.clean_output:
status = core.execute('cpi drilldown -e ' + event +
" /bin/sleep 1")
if __name__ == '__main__':
if "POWER8" in core.get_processor():
unittest.main()
def test_get_processor(self):
self.assertEqual("POWER8", core.get_processor())
def __init__(self):
self.processor = core.get_processor()
self.e_reader = events_reader.EventsReader(self.processor)
self.events_list = self.__get_events_list(self.e_reader.get_events())
self.metrics_list = self.__get_metrics_list()
def __record(self, cpi_file_name, quiet=False):
""" Record the events and their values in a .cpi file
Parameters:
cpi_file_name - the path where the cpi file will be generated
quiet - if should suppress any message during the recording step
"""
ocount = "perf"
core.supported_feature(core.get_processor(), "Breakdown")
if not os.path.isfile(self.__binary_path):
sys.stderr.write(self.__binary_path + ' binary file not found\n')
sys.exit(1)
timestamp = core.get_timestamp()
binary_name = self.__binary_path.split("/").pop(-1)
dir_current = os.getcwd()
ocount_out = dir_current + "/output"
if not core.cmdexists(ocount):
sys.stderr.write(ocount + " is not installed in the system. " +
"Install oprofile before continue." + "\n")
sys.exit(2)
reader = events_reader.EventsReader(core.get_processor())
if not cpi_file_name:
fname = dir_current + "/" + binary_name + "_" + timestamp + ".cpi"
cpi_file_name = fname
else:
dir_file = os.path.dirname(os.path.realpath(cpi_file_name))
if not os.path.exists(dir_file):
sys.stderr.write(dir_file + " directory not found\n")
return 1
elif os.path.isdir(cpi_file_name):
sys.stderr.write(cpi_file_name + " is not a file\n")
return 1
start_time = time.time()
exec_counter = 0
events = {}
# Run ocount for all events groups
for event in reader.get_events():
exec_counter = exec_counter + 1
ocount_cmd = ocount + " stat -x, -o " + ocount_out
for item in event:
ocount_cmd += " -e " + item
if not quiet:
sys.stdout.write("\r Recording CPI Events: %d/%d "
"iterations (elapsed time: %d seconds)"
% (exec_counter, len(reader.get_events()),
(time.time() - start_time)))
sys.stdout.flush()
status, output = core.execute_stdout(ocount_cmd + ' ' +
self.__binary_path + ' ' +
self.__binary_args)
if status != 0:
sys.stderr.write("\n\nFailed to run {0} command.".
format(ocount) + "\n" + output.decode() + "\n")
sys.exit(1)
core.parse_file(ocount_out, events)
core.execute("rm " + ocount_out)
if not quiet:
print()
core.save_events(events, cpi_file_name)
return events
def __run_drilldown(self, event, autodrilldown, autodrilldown_file,
threshold):
""" Run the drilldown feature
Parameters:
event - the event to be used in drilldown
autodrilldown - run autodrilldown in top 'n' events
autodrilldown_file - run the autodrilldown using values from a
generated file
threshold - the threshold value to show groups
"""
core.supported_feature(core.get_processor(), "Drilldown")
if not os.path.isfile(self.__binary_path):
sys.stderr.write(self.__binary_path + ' binary file not found\n')
sys.exit(1)
operf = drilldown_core.OPERF
if not core.cmdexists(operf):
sys.stderr.write(operf + " is not installed in the system. " +
"Install oprofile before continue." + "\n")
sys.exit(2)
if autodrilldown:
# Running autodrilldown generating a .cpi file
if not autodrilldown_file:
events = self.__record(None, False)
# Running autodrilldown using an already created file
elif autodrilldown_file:
events = core.get_events_from_file(autodrilldown_file)
else:
events = {event: '0'}
events = drilldown_core.sort_events(events)
if autodrilldown:
# Use the 'n' first elements
events = events[:autodrilldown]
reader = events_reader.EventsReader(core.get_processor())
# Run drilldown with chosen events
for element in events:
event = element[0]
# Event is not supported with drilldown feature
if not reader.valid_event(event):
sys.stderr.write("Event {0} is not supported by drilldown "
"feature.".format(event) +
"\nChoose a supported event and try again\n")
sys.exit(1)
sys.stdout.write("\r Running drilldown with event: %s \n"
% (event))
# Run operf
min_count = str(reader.get_event_mincount(event))
drilldown_core.run_operf(self.__binary_path,
self.__binary_args,
event, min_count)
# Run opreport
report_file = "opreport.xml"
drilldown_core.run_opreport(event, report_file)
# Run drilldown
drilldown_view = DrilldownView()
drilldown_view.print_drilldown(event, report_file, threshold)