def main(): cpus = perf.cpu_map() threads = perf.thread_map() evsel = perf.evsel(type = perf.TYPE_SOFTWARE, config = perf.COUNT_SW_DUMMY, task = 1, comm = 1, mmap = 0, freq = 0, wakeup_events = 1, watermark = 1, sample_id_all = 1, sample_type = perf.SAMPLE_PERIOD | perf.SAMPLE_TID | perf.SAMPLE_CPU) """What we want are just the PERF_RECORD_ lifetime events for threads, using the default, PERF_TYPE_HARDWARE + PERF_COUNT_HW_CYCLES & freq=1 (the default), makes perf reenable irq_vectors:local_timer_entry, when disabling nohz, not good for some use cases where all we want is to get threads comes and goes... So use (perf.TYPE_SOFTWARE, perf_COUNT_SW_DUMMY, freq=0) instead.""" evsel.open(cpus = cpus, threads = threads); evlist = perf.evlist(cpus, threads) evlist.add(evsel) evlist.mmap() while True: evlist.poll(timeout = -1) for cpu in cpus: event = evlist.read_on_cpu(cpu) if not event: continue print "cpu: %2d, pid: %4d, tid: %4d" % (event.sample_cpu, event.sample_pid, event.sample_tid), print event
def main():
sys.stdout = open('/dev/stdout', 'wb')
tp = tracepoint("devlink", "devlink_hwmsg")
cpus = perf.cpu_map()
threads = perf.thread_map(-1)
evlist = perf.evlist(cpus, threads)
evlist.add(tp)
evlist.open()
evlist.mmap()
pcap_header_out(sys.stdout)
while True:
try:
evlist.poll(timeout=-1)
except KeyboardInterrupt:
break
for cpu in cpus:
while True:
event = evlist.read_on_cpu(cpu)
if not event:
break
if not isinstance(event, perf.sample_event):
continue
event_out(event)
def main(context_switch=0, thread=-1):
cpus = perf.cpu_map()
threads = perf.thread_map(thread)
evsel = perf.evsel(type=perf.TYPE_SOFTWARE,
config=perf.COUNT_SW_DUMMY,
task=1,
comm=1,
mmap=0,
freq=0,
wakeup_events=1,
watermark=1,
sample_id_all=1,
context_switch=context_switch,
sample_type=perf.SAMPLE_PERIOD | perf.SAMPLE_TID
| perf.SAMPLE_CPU)
"""What we want are just the PERF_RECORD_ lifetime events for threads,
using the default, PERF_TYPE_HARDWARE + PERF_COUNT_HW_CYCLES & freq=1
(the default), makes perf reenable irq_vectors:local_timer_entry, when
disabling nohz, not good for some use cases where all we want is to get
threads comes and goes... So use (perf.TYPE_SOFTWARE, perf_COUNT_SW_DUMMY,
freq=0) instead."""
evsel.open(cpus=cpus, threads=threads)
evlist = perf.evlist(cpus, threads)
evlist.add(evsel)
evlist.mmap()
while True:
evlist.poll(timeout=-1)
for cpu in cpus:
event = evlist.read_on_cpu(cpu)
if not event:
continue
print "cpu: %2d, pid: %4d, tid: %4d" % (
event.sample_cpu, event.sample_pid, event.sample_tid),
print event
def main():
tp = tracepoint("sched", "sched_switch")
cpus = perf.cpu_map()
threads = perf.thread_map(-1)
evlist = perf.evlist(cpus, threads)
evlist.add(tp)
evlist.open()
evlist.mmap()
while True:
evlist.poll(timeout=-1)
for cpu in cpus:
event = evlist.read_on_cpu(cpu)
if not event:
continue
if not isinstance(event, perf.sample_event):
continue
print(
"time %u prev_comm=%s prev_pid=%d prev_prio=%d prev_state=0x%x ==> next_comm=%s next_pid=%d next_prio=%d"
% (event.sample_time, event.prev_comm, event.prev_pid,
event.prev_prio, event.prev_state, event.next_comm,
event.next_pid, event.next_prio))
def main(): cpus = perf.cpu_map() threads = perf.thread_map() evsel = perf.evsel(task = 1, comm = 1, mmap = 0, <<<<<<< HEAD wakeup_events = 1, watermark = 1, ======= <<<<<<< HEAD wakeup_events = 1, watermark = 1, ======= wakeup_events = 1, sample_period = 1, >>>>>>> 58a75b6a81be54a8b491263ca1af243e9d8617b9 >>>>>>> ae1773bb70f3d7cf73324ce8fba787e01d8fa9f2 sample_id_all = 1, sample_type = perf.SAMPLE_PERIOD | perf.SAMPLE_TID | perf.SAMPLE_CPU | perf.SAMPLE_TID) evsel.open(cpus = cpus, threads = threads); evlist = perf.evlist(cpus, threads) evlist.add(evsel) evlist.mmap() while True: evlist.poll(timeout = -1) for cpu in cpus: event = evlist.read_on_cpu(cpu) if not event: continue print "cpu: %2d, pid: %4d, tid: %4d" % (event.sample_cpu, event.sample_pid, event.sample_tid), print event
def main():
tp = tracepoint("devlink", "devlink_hwmsg")
cpus = perf.cpu_map()
threads = perf.thread_map(-1)
evlist = perf.evlist(cpus, threads)
evlist.add(tp)
evlist.open()
evlist.mmap()
pcap_header_out()
while True:
try:
evlist.poll(timeout = -1)
except KeyboardInterrupt:
break
for cpu in cpus:
while True:
event = evlist.read_on_cpu(cpu)
if not event:
break
if not isinstance(event, perf.sample_event):
continue
event_out(event)
def main():
tp = tracepoint("sched", "sched_switch")
cpus = perf.cpu_map()
threads = perf.thread_map(-1)
evlist = perf.evlist(cpus, threads)
evlist.add(tp)
evlist.open()
evlist.mmap()
while True:
evlist.poll(timeout = -1)
for cpu in cpus:
event = evlist.read_on_cpu(cpu)
if not event:
continue
if not isinstance(event, perf.sample_event):
continue
print "time %u prev_comm=%s prev_pid=%d prev_prio=%d prev_state=0x%x ==> next_comm=%s next_pid=%d next_prio=%d" % (
event.sample_time,
event.prev_comm,
event.prev_pid,
event.prev_prio,
event.prev_state,
event.next_comm,
event.next_pid,
event.next_prio)
def _instance_init(self, instance):
instance._has_dynamic_tuning = False
instance._has_static_tuning = True
# this is hack, runtime_tuning should be covered by dynamic_tuning configuration
# TODO: add per plugin dynamic tuning configuration and use dynamic_tuning configuration
# instead of runtime_tuning
instance._runtime_tuning = True
# FIXME: do we want to do this here?
# recover original values in case of crash
self._scheduler_original = self._storage.get(
self._scheduler_storage_key, {})
if len(self._scheduler_original) > 0:
log.info("recovering scheduling settings from previous run")
self._restore_ps_affinity()
self._scheduler_original = {}
self._storage.unset(self._scheduler_storage_key)
self._cgroups_original_affinity = dict()
# calculated by isolated_cores setter
self._affinity = None
self._cgroup_affinity_initialized = False
self._cgroup = None
self._cgroups = collections.OrderedDict([
(self._sanitize_cgroup_path(option[7:]),
self._variables.expand(affinity))
for option, affinity in instance.options.items()
if option[:7] == "cgroup." and len(option) > 7
])
instance._scheduler = instance.options
for k in instance._scheduler:
instance._scheduler[k] = self._variables.expand(
instance._scheduler[k])
if self._cmd.get_bool(instance._scheduler.get("runtime", 1)) == "0":
instance._runtime_tuning = False
instance._terminate = threading.Event()
if self._daemon and instance._runtime_tuning:
try:
instance._threads = perf.thread_map()
evsel = perf.evsel(type=perf.TYPE_SOFTWARE,
config=perf.COUNT_SW_DUMMY,
task=1,
comm=1,
mmap=0,
freq=0,
wakeup_events=1,
watermark=1,
sample_type=perf.SAMPLE_TID
| perf.SAMPLE_CPU)
evsel.open(cpus=self._cpus, threads=instance._threads)
instance._evlist = perf.evlist(self._cpus, instance._threads)
instance._evlist.add(evsel)
instance._evlist.mmap()
# no perf
except:
instance._runtime_tuning = False
def perf_init(self):
self.cpu_map = perf.cpu_map()
self.thread_map = perf.thread_map()
self.evsel_cycles = perf.evsel(task = 1, comm = 1,
wakeup_events = 1,
watermark = 1,
sample_type = perf.SAMPLE_CPU |
perf.SAMPLE_TID)
self.evsel_cycles.open(cpus = self.cpu_map, threads = self.thread_map);
self.evlist = perf.evlist(self.cpu_map, self.thread_map)
self.evlist.add(self.evsel_cycles)
self.evlist.mmap()
self.pollfd = self.evlist.get_pollfd()
for f in self.pollfd:
gobject.io_add_watch(f, gtk.gdk.INPUT_READ, self.perf_process_events)
self.perf_counter = {}
def _instance_init(self, instance):
instance._has_dynamic_tuning = False
instance._has_static_tuning = True
# this is hack, runtime_tuning should be covered by dynamic_tuning configuration
# TODO: add per plugin dynamic tuning configuration and use dynamic_tuning configuration
# instead of runtime_tuning
instance._runtime_tuning = True
# FIXME: do we want to do this here?
# recover original values in case of crash
instance._scheduler_original = self._storage.get(
self._scheduler_storage_key(instance), {})
if len(instance._scheduler_original) > 0:
log.info("recovering scheduling settings from previous run")
self._instance_unapply_static(instance)
instance._scheduler_original = {}
self._storage.unset(self._scheduler_storage_key(instance))
instance._scheduler = instance.options
for k in instance._scheduler:
instance._scheduler[k] = self._variables.expand(
instance._scheduler[k])
if self._cmd.get_bool(instance._scheduler.get("runtime", 1)) == "0":
instance._runtime_tuning = False
instance._terminate = threading.Event()
if self._daemon and instance._runtime_tuning:
try:
instance._cpus = perf.cpu_map()
instance._threads = perf.thread_map()
evsel = perf.evsel(type=perf.TYPE_SOFTWARE,
config=perf.COUNT_SW_DUMMY,
task=1,
comm=1,
mmap=0,
freq=0,
wakeup_events=1,
watermark=1,
sample_type=perf.SAMPLE_TID
| perf.SAMPLE_CPU)
evsel.open(cpus=instance._cpus, threads=instance._threads)
instance._evlist = perf.evlist(instance._cpus,
instance._threads)
instance._evlist.add(evsel)
instance._evlist.mmap()
# no perf
except:
instance._runtime_tuning = False
def perf_init(self):
self.cpu_map = perf.cpu_map()
self.thread_map = perf.thread_map()
self.evsel_cycles = perf.evsel(task=1,
comm=1,
wakeup_events=1,
watermark=1,
sample_type=perf.SAMPLE_CPU
| perf.SAMPLE_TID)
self.evsel_cycles.open(cpus=self.cpu_map, threads=self.thread_map)
self.evlist = perf.evlist(self.cpu_map, self.thread_map)
self.evlist.add(self.evsel_cycles)
self.evlist.mmap()
self.pollfd = self.evlist.get_pollfd()
for f in self.pollfd:
gobject.io_add_watch(f, gtk.gdk.INPUT_READ,
self.perf_process_events)
self.perf_counter = {}
def main(): cpus = perf.cpu_map() threads = perf.thread_map() evsel = perf.evsel(task = 1, comm = 1, mmap = 0, wakeup_events = 1, watermark = 1, sample_id_all = 1, sample_type = perf.SAMPLE_PERIOD | perf.SAMPLE_TID | perf.SAMPLE_CPU) evsel.open(cpus = cpus, threads = threads); evlist = perf.evlist(cpus, threads) evlist.add(evsel) evlist.mmap() while True: evlist.poll(timeout = -1) for cpu in cpus: event = evlist.read_on_cpu(cpu) if not event: continue print "cpu: %2d, pid: %4d, tid: %4d" % (event.sample_cpu, event.sample_pid, event.sample_tid), print event
def main(): cpus = perf.cpu_map() threads = perf.thread_map() evsel = perf.evsel(task = 1, comm = 1, mmap = 0, wakeup_events = 1, watermark = 1, sample_id_all = 1, sample_type = perf.SAMPLE_PERIOD | perf.SAMPLE_TID | perf.SAMPLE_CPU) evsel.open(cpus = cpus, threads = threads); evlist = perf.evlist(cpus, threads) evlist.add(evsel) evlist.mmap() while True: evlist.poll(timeout = -1) for cpu in cpus: event = evlist.read_on_cpu(cpu) if not event: continue print "cpu: %2d, pid: %4d, tid: %4d" % (event.sample_cpu, event.sample_pid, event.sample_tid), print event
def _instance_init(self, instance):
instance._has_dynamic_tuning = False
instance._has_static_tuning = True
# this is hack, runtime_tuning should be covered by dynamic_tuning configuration
# TODO: add per plugin dynamic tuning configuration and use dynamic_tuning configuration
# instead of runtime_tuning
instance._runtime_tuning = True
# FIXME: do we want to do this here?
# recover original values in case of crash
instance._scheduler_original = self._storage.get(self._scheduler_storage_key(instance), {})
if len(instance._scheduler_original) > 0:
log.info("recovering scheduling settings from previous run")
self._instance_unapply_static(instance)
instance._scheduler_original = {}
self._storage.unset(self._scheduler_storage_key(instance))
instance._scheduler = instance.options
for k in instance._scheduler:
instance._scheduler[k] = self._variables.expand(instance._scheduler[k])
if self._cmd.get_bool(instance._scheduler.get("runtime", 1)) == "0":
instance._runtime_tuning = False
instance._terminate = threading.Event()
if self._daemon and instance._runtime_tuning:
try:
instance._cpus = perf.cpu_map()
instance._threads = perf.thread_map()
evsel = perf.evsel(type = perf.TYPE_SOFTWARE,
config = perf.COUNT_SW_DUMMY,
task = 1, comm = 1, mmap = 0, freq = 0,
wakeup_events = 1, watermark = 1,
sample_type = perf.SAMPLE_TID | perf.SAMPLE_CPU)
evsel.open(cpus = instance._cpus, threads = instance._threads)
instance._evlist = perf.evlist(instance._cpus, instance._threads)
instance._evlist.add(evsel)
instance._evlist.mmap()
# no perf
except:
instance._runtime_tuning = False
