def enableProfiler(signum, config):
"""
Enables the profiler on specified signal
"""
try:
# If the profiler is available on the system then enable it
import gevent_profiler
if config.has_key('summaryOutput'):
gevent_profiler.set_summary_output(config['summaryOutput'])
if config.has_key('statsOutput'):
gevent_profiler.set_stats_output(config['statsOutput'])
if config.has_key('traceOutput'):
gevent_profiler.set_trace_output(config['traceOutput'])
if config.has_key('printPercentage'):
gevent_profiler.print_percentages(config['printPercentage'])
if config.has_key('countTimeBlocking'):
gevent_profiler.time_blocking(config['countTimeBlocking'])
gevent_profiler.attach_on_signal(signum=signum, duration=config['duration'])
logging.getLogger().info("The profiler is enabled and waiting on signal %s." % signum)
except Exception as ex:
logging.getLogger().warn("Failed enabling the profiler: %s" % ex)
def start_profiler(prefix, pcts=False):
"""
Start the gevent-profiler, outputting to the passed prefix-stats and prefix-summary.txt.
You must call stop_profiler at a later point. The profiler is not safe to run twice at once
as it keeps global state internally.
@param prefix The prefix to use when naming the output files.
@param pcts Whether the profiler should add percentages as well.
"""
gevent_profiler.set_stats_output('%s-stats.txt' % prefix)
gevent_profiler.set_summary_output('%s-summary.txt' % prefix)
gevent_profiler.print_percentages(pcts)
gevent_profiler.set_trace_output(None) #'%s-trace.txt' % prefix) @TODO make optional
gevent_profiler.attach()
def start_profiler(prefix, pcts=False):
"""
Start the gevent-profiler, outputting to the passed prefix-stats and prefix-summary.txt.
You must call stop_profiler at a later point. The profiler is not safe to run twice at once
as it keeps global state internally.
@param prefix The prefix to use when naming the output files.
@param pcts Whether the profiler should add percentages as well.
"""
gevent_profiler.set_stats_output('%s-stats.txt' % prefix)
gevent_profiler.set_summary_output('%s-summary.txt' % prefix)
gevent_profiler.print_percentages(pcts)
gevent_profiler.set_trace_output(
None) #'%s-trace.txt' % prefix) @TODO make optional
gevent_profiler.attach()
