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| 8 | |
| 9 | |
| 10 |
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| 11 | from __future__ import print_function
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| 12 |
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| 13 | import os, sys, time
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| 14 |
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| 15 | try:
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| 16 | import thread
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| 17 | except ImportError:
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| 18 | import _thread as thread
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| 19 |
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| 20 | sys.path.append(os.environ['PERF_EXEC_PATH'] + \
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| 21 | '/scripts/python/Perf-Trace-Util/lib/Perf/Trace')
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| 22 |
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| 23 | from perf_trace_context import *
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| 24 | from Core import *
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| 25 | from Util import *
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| 26 |
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| 27 | usage = "perf script -s sctop.py [comm] [interval]\n";
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| 28 |
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| 29 | for_comm = None
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| 30 | default_interval = 3
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| 31 | interval = default_interval
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| 32 |
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| 33 | if len(sys.argv) > 3:
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| 34 | sys.exit(usage)
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| 35 |
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| 36 | if len(sys.argv) > 2:
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| 37 | for_comm = sys.argv[1]
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| 38 | interval = int(sys.argv[2])
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| 39 | elif len(sys.argv) > 1:
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| 40 | try:
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| 41 | interval = int(sys.argv[1])
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| 42 | except ValueError:
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| 43 | for_comm = sys.argv[1]
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| 44 | interval = default_interval
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| 45 |
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| 46 | syscalls = autodict()
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| 47 |
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| 48 | def trace_begin():
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| 49 | thread.start_new_thread(print_syscall_totals, (interval,))
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| 50 | pass
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| 51 |
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| 52 | def raw_syscalls__sys_enter(event_name, context, common_cpu,
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| 53 | common_secs, common_nsecs, common_pid, common_comm,
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| 54 | common_callchain, id, args):
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| 55 | if for_comm is not None:
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| 56 | if common_comm != for_comm:
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| 57 | return
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| 58 | try:
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| 59 | syscalls[id] += 1
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| 60 | except TypeError:
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| 61 | syscalls[id] = 1
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| 62 |
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| 63 | def syscalls__sys_enter(event_name, context, common_cpu,
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| 64 | common_secs, common_nsecs, common_pid, common_comm,
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| 65 | id, args):
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| 66 | raw_syscalls__sys_enter(**locals())
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| 67 |
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| 68 | def print_syscall_totals(interval):
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| 69 | while 1:
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| 70 | clear_term()
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| 71 | if for_comm is not None:
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| 72 | print("\nsyscall events for %s:\n" % (for_comm))
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| 73 | else:
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| 74 | print("\nsyscall events:\n")
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| 75 |
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| 76 | print("%-40s %10s" % ("event", "count"))
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| 77 | print("%-40s %10s" %
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| 78 | ("----------------------------------------",
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| 79 | "----------"))
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| 80 |
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| 81 | for id, val in sorted(syscalls.items(),
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| 82 | key = lambda kv: (kv[1], kv[0]),
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| 83 | reverse = True):
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| 84 | try:
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| 85 | print("%-40s %10d" % (syscall_name(id), val))
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| 86 | except TypeError:
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| 87 | pass
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| 88 | syscalls.clear()
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| 89 | time.sleep(interval)
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