diff options
Diffstat (limited to 'ANDROID_3.4.5/tools/perf/scripts/python/netdev-times.py')
-rw-r--r-- | ANDROID_3.4.5/tools/perf/scripts/python/netdev-times.py | 464 |
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 |