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-rw-r--r--ANDROID_3.4.5/tools/perf/scripts/python/netdev-times.py464
1 files changed, 0 insertions, 464 deletions
diff --git a/ANDROID_3.4.5/tools/perf/scripts/python/netdev-times.py b/ANDROID_3.4.5/tools/perf/scripts/python/netdev-times.py
deleted file mode 100644
index 9aa0a329..00000000
--- a/ANDROID_3.4.5/tools/perf/scripts/python/netdev-times.py
+++ /dev/null
@@ -1,464 +0,0 @@
-# Display a process of packets and processed time.
-# It helps us to investigate networking or network device.
-#
-# options
-# tx: show only tx chart
-# rx: show only rx chart
-# dev=: show only thing related to specified device
-# debug: work with debug mode. It shows buffer status.
-
-import os
-import sys
-
-sys.path.append(os.environ['PERF_EXEC_PATH'] + \
- '/scripts/python/Perf-Trace-Util/lib/Perf/Trace')
-
-from perf_trace_context import *
-from Core import *
-from Util import *
-
-all_event_list = []; # insert all tracepoint event related with this script
-irq_dic = {}; # key is cpu and value is a list which stacks irqs
- # which raise NET_RX softirq
-net_rx_dic = {}; # key is cpu and value include time of NET_RX softirq-entry
- # and a list which stacks receive
-receive_hunk_list = []; # a list which include a sequence of receive events
-rx_skb_list = []; # received packet list for matching
- # skb_copy_datagram_iovec
-
-buffer_budget = 65536; # the budget of rx_skb_list, tx_queue_list and
- # tx_xmit_list
-of_count_rx_skb_list = 0; # overflow count
-
-tx_queue_list = []; # list of packets which pass through dev_queue_xmit
-of_count_tx_queue_list = 0; # overflow count
-
-tx_xmit_list = []; # list of packets which pass through dev_hard_start_xmit
-of_count_tx_xmit_list = 0; # overflow count
-
-tx_free_list = []; # list of packets which is freed
-
-# options
-show_tx = 0;
-show_rx = 0;
-dev = 0; # store a name of device specified by option "dev="
-debug = 0;
-
-# indices of event_info tuple
-EINFO_IDX_NAME= 0
-EINFO_IDX_CONTEXT=1
-EINFO_IDX_CPU= 2
-EINFO_IDX_TIME= 3
-EINFO_IDX_PID= 4
-EINFO_IDX_COMM= 5
-
-# Calculate a time interval(msec) from src(nsec) to dst(nsec)
-def diff_msec(src, dst):
- return (dst - src) / 1000000.0
-
-# Display a process of transmitting a packet
-def print_transmit(hunk):
- if dev != 0 and hunk['dev'].find(dev) < 0:
- return
- print "%7s %5d %6d.%06dsec %12.3fmsec %12.3fmsec" % \
- (hunk['dev'], hunk['len'],
- nsecs_secs(hunk['queue_t']),
- nsecs_nsecs(hunk['queue_t'])/1000,
- diff_msec(hunk['queue_t'], hunk['xmit_t']),
- diff_msec(hunk['xmit_t'], hunk['free_t']))
-
-# Format for displaying rx packet processing
-PF_IRQ_ENTRY= " irq_entry(+%.3fmsec irq=%d:%s)"
-PF_SOFT_ENTRY=" softirq_entry(+%.3fmsec)"
-PF_NAPI_POLL= " napi_poll_exit(+%.3fmsec %s)"
-PF_JOINT= " |"
-PF_WJOINT= " | |"
-PF_NET_RECV= " |---netif_receive_skb(+%.3fmsec skb=%x len=%d)"
-PF_NET_RX= " |---netif_rx(+%.3fmsec skb=%x)"
-PF_CPY_DGRAM= " | skb_copy_datagram_iovec(+%.3fmsec %d:%s)"
-PF_KFREE_SKB= " | kfree_skb(+%.3fmsec location=%x)"
-PF_CONS_SKB= " | consume_skb(+%.3fmsec)"
-
-# Display a process of received packets and interrputs associated with
-# a NET_RX softirq
-def print_receive(hunk):
- show_hunk = 0
- irq_list = hunk['irq_list']
- cpu = irq_list[0]['cpu']
- base_t = irq_list[0]['irq_ent_t']
- # check if this hunk should be showed
- if dev != 0:
- for i in range(len(irq_list)):
- if irq_list[i]['name'].find(dev) >= 0:
- show_hunk = 1
- break
- else:
- show_hunk = 1
- if show_hunk == 0:
- return
-
- print "%d.%06dsec cpu=%d" % \
- (nsecs_secs(base_t), nsecs_nsecs(base_t)/1000, cpu)
- for i in range(len(irq_list)):
- print PF_IRQ_ENTRY % \
- (diff_msec(base_t, irq_list[i]['irq_ent_t']),
- irq_list[i]['irq'], irq_list[i]['name'])
- print PF_JOINT
- irq_event_list = irq_list[i]['event_list']
- for j in range(len(irq_event_list)):
- irq_event = irq_event_list[j]
- if irq_event['event'] == 'netif_rx':
- print PF_NET_RX % \
- (diff_msec(base_t, irq_event['time']),
- irq_event['skbaddr'])
- print PF_JOINT
- print PF_SOFT_ENTRY % \
- diff_msec(base_t, hunk['sirq_ent_t'])
- print PF_JOINT
- event_list = hunk['event_list']
- for i in range(len(event_list)):
- event = event_list[i]
- if event['event_name'] == 'napi_poll':
- print PF_NAPI_POLL % \
- (diff_msec(base_t, event['event_t']), event['dev'])
- if i == len(event_list) - 1:
- print ""
- else:
- print PF_JOINT
- else:
- print PF_NET_RECV % \
- (diff_msec(base_t, event['event_t']), event['skbaddr'],
- event['len'])
- if 'comm' in event.keys():
- print PF_WJOINT
- print PF_CPY_DGRAM % \
- (diff_msec(base_t, event['comm_t']),
- event['pid'], event['comm'])
- elif 'handle' in event.keys():
- print PF_WJOINT
- if event['handle'] == "kfree_skb":
- print PF_KFREE_SKB % \
- (diff_msec(base_t,
- event['comm_t']),
- event['location'])
- elif event['handle'] == "consume_skb":
- print PF_CONS_SKB % \
- diff_msec(base_t,
- event['comm_t'])
- print PF_JOINT
-
-def trace_begin():
- global show_tx
- global show_rx
- global dev
- global debug
-
- for i in range(len(sys.argv)):
- if i == 0:
- continue
- arg = sys.argv[i]
- if arg == 'tx':
- show_tx = 1
- elif arg =='rx':
- show_rx = 1
- elif arg.find('dev=',0, 4) >= 0:
- dev = arg[4:]
- elif arg == 'debug':
- debug = 1
- if show_tx == 0 and show_rx == 0:
- show_tx = 1
- show_rx = 1
-
-def trace_end():
- # order all events in time
- all_event_list.sort(lambda a,b :cmp(a[EINFO_IDX_TIME],
- b[EINFO_IDX_TIME]))
- # process all events
- for i in range(len(all_event_list)):
- event_info = all_event_list[i]
- name = event_info[EINFO_IDX_NAME]
- if name == 'irq__softirq_exit':
- handle_irq_softirq_exit(event_info)
- elif name == 'irq__softirq_entry':
- handle_irq_softirq_entry(event_info)
- elif name == 'irq__softirq_raise':
- handle_irq_softirq_raise(event_info)
- elif name == 'irq__irq_handler_entry':
- handle_irq_handler_entry(event_info)
- elif name == 'irq__irq_handler_exit':
- handle_irq_handler_exit(event_info)
- elif name == 'napi__napi_poll':
- handle_napi_poll(event_info)
- elif name == 'net__netif_receive_skb':
- handle_netif_receive_skb(event_info)
- elif name == 'net__netif_rx':
- handle_netif_rx(event_info)
- elif name == 'skb__skb_copy_datagram_iovec':
- handle_skb_copy_datagram_iovec(event_info)
- elif name == 'net__net_dev_queue':
- handle_net_dev_queue(event_info)
- elif name == 'net__net_dev_xmit':
- handle_net_dev_xmit(event_info)
- elif name == 'skb__kfree_skb':
- handle_kfree_skb(event_info)
- elif name == 'skb__consume_skb':
- handle_consume_skb(event_info)
- # display receive hunks
- if show_rx:
- for i in range(len(receive_hunk_list)):
- print_receive(receive_hunk_list[i])
- # display transmit hunks
- if show_tx:
- print " dev len Qdisc " \
- " netdevice free"
- for i in range(len(tx_free_list)):
- print_transmit(tx_free_list[i])
- if debug:
- print "debug buffer status"
- print "----------------------------"
- print "xmit Qdisc:remain:%d overflow:%d" % \
- (len(tx_queue_list), of_count_tx_queue_list)
- print "xmit netdevice:remain:%d overflow:%d" % \
- (len(tx_xmit_list), of_count_tx_xmit_list)
- print "receive:remain:%d overflow:%d" % \
- (len(rx_skb_list), of_count_rx_skb_list)
-
-# called from perf, when it finds a correspoinding event
-def irq__softirq_entry(name, context, cpu, sec, nsec, pid, comm, vec):
- if symbol_str("irq__softirq_entry", "vec", vec) != "NET_RX":
- return
- event_info = (name, context, cpu, nsecs(sec, nsec), pid, comm, vec)
- all_event_list.append(event_info)
-
-def irq__softirq_exit(name, context, cpu, sec, nsec, pid, comm, vec):
- if symbol_str("irq__softirq_entry", "vec", vec) != "NET_RX":
- return
- event_info = (name, context, cpu, nsecs(sec, nsec), pid, comm, vec)
- all_event_list.append(event_info)
-
-def irq__softirq_raise(name, context, cpu, sec, nsec, pid, comm, vec):
- if symbol_str("irq__softirq_entry", "vec", vec) != "NET_RX":
- return
- event_info = (name, context, cpu, nsecs(sec, nsec), pid, comm, vec)
- all_event_list.append(event_info)
-
-def irq__irq_handler_entry(name, context, cpu, sec, nsec, pid, comm,
- irq, irq_name):
- event_info = (name, context, cpu, nsecs(sec, nsec), pid, comm,
- irq, irq_name)
- all_event_list.append(event_info)
-
-def irq__irq_handler_exit(name, context, cpu, sec, nsec, pid, comm, irq, ret):
- event_info = (name, context, cpu, nsecs(sec, nsec), pid, comm, irq, ret)
- all_event_list.append(event_info)
-
-def napi__napi_poll(name, context, cpu, sec, nsec, pid, comm, napi, dev_name):
- event_info = (name, context, cpu, nsecs(sec, nsec), pid, comm,
- napi, dev_name)
- all_event_list.append(event_info)
-
-def net__netif_receive_skb(name, context, cpu, sec, nsec, pid, comm, skbaddr,
- skblen, dev_name):
- event_info = (name, context, cpu, nsecs(sec, nsec), pid, comm,
- skbaddr, skblen, dev_name)
- all_event_list.append(event_info)
-
-def net__netif_rx(name, context, cpu, sec, nsec, pid, comm, skbaddr,
- skblen, dev_name):
- event_info = (name, context, cpu, nsecs(sec, nsec), pid, comm,
- skbaddr, skblen, dev_name)
- all_event_list.append(event_info)
-
-def net__net_dev_queue(name, context, cpu, sec, nsec, pid, comm,
- skbaddr, skblen, dev_name):
- event_info = (name, context, cpu, nsecs(sec, nsec), pid, comm,
- skbaddr, skblen, dev_name)
- all_event_list.append(event_info)
-
-def net__net_dev_xmit(name, context, cpu, sec, nsec, pid, comm,
- skbaddr, skblen, rc, dev_name):
- event_info = (name, context, cpu, nsecs(sec, nsec), pid, comm,
- skbaddr, skblen, rc ,dev_name)
- all_event_list.append(event_info)
-
-def skb__kfree_skb(name, context, cpu, sec, nsec, pid, comm,
- skbaddr, protocol, location):
- event_info = (name, context, cpu, nsecs(sec, nsec), pid, comm,
- skbaddr, protocol, location)
- all_event_list.append(event_info)
-
-def skb__consume_skb(name, context, cpu, sec, nsec, pid, comm, skbaddr):
- event_info = (name, context, cpu, nsecs(sec, nsec), pid, comm,
- skbaddr)
- all_event_list.append(event_info)
-
-def skb__skb_copy_datagram_iovec(name, context, cpu, sec, nsec, pid, comm,
- skbaddr, skblen):
- event_info = (name, context, cpu, nsecs(sec, nsec), pid, comm,
- skbaddr, skblen)
- all_event_list.append(event_info)
-
-def handle_irq_handler_entry(event_info):
- (name, context, cpu, time, pid, comm, irq, irq_name) = event_info
- if cpu not in irq_dic.keys():
- irq_dic[cpu] = []
- irq_record = {'irq':irq, 'name':irq_name, 'cpu':cpu, 'irq_ent_t':time}
- irq_dic[cpu].append(irq_record)
-
-def handle_irq_handler_exit(event_info):
- (name, context, cpu, time, pid, comm, irq, ret) = event_info
- if cpu not in irq_dic.keys():
- return
- irq_record = irq_dic[cpu].pop()
- if irq != irq_record['irq']:
- return
- irq_record.update({'irq_ext_t':time})
- # if an irq doesn't include NET_RX softirq, drop.
- if 'event_list' in irq_record.keys():
- irq_dic[cpu].append(irq_record)
-
-def handle_irq_softirq_raise(event_info):
- (name, context, cpu, time, pid, comm, vec) = event_info
- if cpu not in irq_dic.keys() \
- or len(irq_dic[cpu]) == 0:
- return
- irq_record = irq_dic[cpu].pop()
- if 'event_list' in irq_record.keys():
- irq_event_list = irq_record['event_list']
- else:
- irq_event_list = []
- irq_event_list.append({'time':time, 'event':'sirq_raise'})
- irq_record.update({'event_list':irq_event_list})
- irq_dic[cpu].append(irq_record)
-
-def handle_irq_softirq_entry(event_info):
- (name, context, cpu, time, pid, comm, vec) = event_info
- net_rx_dic[cpu] = {'sirq_ent_t':time, 'event_list':[]}
-
-def handle_irq_softirq_exit(event_info):
- (name, context, cpu, time, pid, comm, vec) = event_info
- irq_list = []
- event_list = 0
- if cpu in irq_dic.keys():
- irq_list = irq_dic[cpu]
- del irq_dic[cpu]
- if cpu in net_rx_dic.keys():
- sirq_ent_t = net_rx_dic[cpu]['sirq_ent_t']
- event_list = net_rx_dic[cpu]['event_list']
- del net_rx_dic[cpu]
- if irq_list == [] or event_list == 0:
- return
- rec_data = {'sirq_ent_t':sirq_ent_t, 'sirq_ext_t':time,
- 'irq_list':irq_list, 'event_list':event_list}
- # merge information realted to a NET_RX softirq
- receive_hunk_list.append(rec_data)
-
-def handle_napi_poll(event_info):
- (name, context, cpu, time, pid, comm, napi, dev_name) = event_info
- if cpu in net_rx_dic.keys():
- event_list = net_rx_dic[cpu]['event_list']
- rec_data = {'event_name':'napi_poll',
- 'dev':dev_name, 'event_t':time}
- event_list.append(rec_data)
-
-def handle_netif_rx(event_info):
- (name, context, cpu, time, pid, comm,
- skbaddr, skblen, dev_name) = event_info
- if cpu not in irq_dic.keys() \
- or len(irq_dic[cpu]) == 0:
- return
- irq_record = irq_dic[cpu].pop()
- if 'event_list' in irq_record.keys():
- irq_event_list = irq_record['event_list']
- else:
- irq_event_list = []
- irq_event_list.append({'time':time, 'event':'netif_rx',
- 'skbaddr':skbaddr, 'skblen':skblen, 'dev_name':dev_name})
- irq_record.update({'event_list':irq_event_list})
- irq_dic[cpu].append(irq_record)
-
-def handle_netif_receive_skb(event_info):
- global of_count_rx_skb_list
-
- (name, context, cpu, time, pid, comm,
- skbaddr, skblen, dev_name) = event_info
- if cpu in net_rx_dic.keys():
- rec_data = {'event_name':'netif_receive_skb',
- 'event_t':time, 'skbaddr':skbaddr, 'len':skblen}
- event_list = net_rx_dic[cpu]['event_list']
- event_list.append(rec_data)
- rx_skb_list.insert(0, rec_data)
- if len(rx_skb_list) > buffer_budget:
- rx_skb_list.pop()
- of_count_rx_skb_list += 1
-
-def handle_net_dev_queue(event_info):
- global of_count_tx_queue_list
-
- (name, context, cpu, time, pid, comm,
- skbaddr, skblen, dev_name) = event_info
- skb = {'dev':dev_name, 'skbaddr':skbaddr, 'len':skblen, 'queue_t':time}
- tx_queue_list.insert(0, skb)
- if len(tx_queue_list) > buffer_budget:
- tx_queue_list.pop()
- of_count_tx_queue_list += 1
-
-def handle_net_dev_xmit(event_info):
- global of_count_tx_xmit_list
-
- (name, context, cpu, time, pid, comm,
- skbaddr, skblen, rc, dev_name) = event_info
- if rc == 0: # NETDEV_TX_OK
- for i in range(len(tx_queue_list)):
- skb = tx_queue_list[i]
- if skb['skbaddr'] == skbaddr:
- skb['xmit_t'] = time
- tx_xmit_list.insert(0, skb)
- del tx_queue_list[i]
- if len(tx_xmit_list) > buffer_budget:
- tx_xmit_list.pop()
- of_count_tx_xmit_list += 1
- return
-
-def handle_kfree_skb(event_info):
- (name, context, cpu, time, pid, comm,
- skbaddr, protocol, location) = event_info
- for i in range(len(tx_queue_list)):
- skb = tx_queue_list[i]
- if skb['skbaddr'] == skbaddr:
- del tx_queue_list[i]
- return
- for i in range(len(tx_xmit_list)):
- skb = tx_xmit_list[i]
- if skb['skbaddr'] == skbaddr:
- skb['free_t'] = time
- tx_free_list.append(skb)
- del tx_xmit_list[i]
- return
- for i in range(len(rx_skb_list)):
- rec_data = rx_skb_list[i]
- if rec_data['skbaddr'] == skbaddr:
- rec_data.update({'handle':"kfree_skb",
- 'comm':comm, 'pid':pid, 'comm_t':time})
- del rx_skb_list[i]
- return
-
-def handle_consume_skb(event_info):
- (name, context, cpu, time, pid, comm, skbaddr) = event_info
- for i in range(len(tx_xmit_list)):
- skb = tx_xmit_list[i]
- if skb['skbaddr'] == skbaddr:
- skb['free_t'] = time
- tx_free_list.append(skb)
- del tx_xmit_list[i]
- return
-
-def handle_skb_copy_datagram_iovec(event_info):
- (name, context, cpu, time, pid, comm, skbaddr, skblen) = event_info
- for i in range(len(rx_skb_list)):
- rec_data = rx_skb_list[i]
- if skbaddr == rec_data['skbaddr']:
- rec_data.update({'handle':"skb_copy_datagram_iovec",
- 'comm':comm, 'pid':pid, 'comm_t':time})
- del rx_skb_list[i]
- return