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| 7 |
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| 8 | import os
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| 9 | import sys
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| 10 |
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| 11 | sys.path.append(os.environ['PERF_EXEC_PATH'] + \
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| 12 | '/scripts/python/Perf-Trace-Util/lib/Perf/Trace')
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| 13 |
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| 14 | from perf_trace_context import *
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| 15 | from Core import *
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| 16 | from Util import *
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| 17 |
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| 18 | usage = "perf script -s syscall-counts-by-pid.py [comm|pid]\n";
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| 19 |
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| 20 | for_comm = None
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| 21 | for_pid = None
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| 22 |
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| 23 | if len(sys.argv) > 2:
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| 24 | sys.exit(usage)
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| 25 |
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| 26 | if len(sys.argv) > 1:
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| 27 | try:
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| 28 | for_pid = int(sys.argv[1])
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| 29 | except:
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| 30 | for_comm = sys.argv[1]
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| 31 |
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| 32 | syscalls = autodict()
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| 33 |
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| 34 | def trace_begin():
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| 35 | print "Press control+C to stop and show the summary"
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| 36 |
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| 37 | def trace_end():
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| 38 | print_error_totals()
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| 39 |
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| 40 | def raw_syscalls__sys_exit(event_name, context, common_cpu,
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| 41 | common_secs, common_nsecs, common_pid, common_comm,
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| 42 | id, ret):
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| 43 | if (for_comm and common_comm != for_comm) or \
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| 44 | (for_pid and common_pid != for_pid ):
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| 45 | return
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| 46 |
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| 47 | if ret < 0:
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| 48 | try:
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| 49 | syscalls[common_comm][common_pid][id][ret] += 1
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| 50 | except TypeError:
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| 51 | syscalls[common_comm][common_pid][id][ret] = 1
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| 52 |
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| 53 | def print_error_totals():
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| 54 | if for_comm is not None:
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| 55 | print "\nsyscall errors for %s:\n\n" % (for_comm),
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| 56 | else:
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| 57 | print "\nsyscall errors:\n\n",
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| 58 |
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| 59 | print "%-30s %10s\n" % ("comm [pid]", "count"),
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| 60 | print "%-30s %10s\n" % ("------------------------------", \
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| 61 | "----------"),
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| 62 |
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| 63 | comm_keys = syscalls.keys()
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| 64 | for comm in comm_keys:
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| 65 | pid_keys = syscalls[comm].keys()
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| 66 | for pid in pid_keys:
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| 67 | print "\n%s [%d]\n" % (comm, pid),
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| 68 | id_keys = syscalls[comm][pid].keys()
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| 69 | for id in id_keys:
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| 70 | print " syscall: %-16s\n" % syscall_name(id),
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| 71 | ret_keys = syscalls[comm][pid][id].keys()
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| 72 | for ret, val in sorted(syscalls[comm][pid][id].iteritems(), key = lambda(k, v): (v, k), reverse = True):
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| 73 | print " err = %-20s %10d\n" % (strerror(ret), val),
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