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| 7 |
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| 8 | from __future__ import print_function
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| 9 |
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| 10 | import os
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| 11 | import sys
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| 12 |
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| 13 | sys.path.append(os.environ['PERF_EXEC_PATH'] + \
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| 14 | '/scripts/python/Perf-Trace-Util/lib/Perf/Trace')
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| 15 |
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| 16 | from perf_trace_context import *
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| 17 | from Core import *
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| 18 | from Util import *
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| 19 |
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| 20 | usage = "perf script -s syscall-counts-by-pid.py [comm|pid]\n";
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| 21 |
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| 22 | for_comm = None
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| 23 | for_pid = None
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| 24 |
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| 25 | if len(sys.argv) > 2:
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| 26 | sys.exit(usage)
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| 27 |
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| 28 | if len(sys.argv) > 1:
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| 29 | try:
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| 30 | for_pid = int(sys.argv[1])
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| 31 | except:
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| 32 | for_comm = sys.argv[1]
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| 33 |
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| 34 | syscalls = autodict()
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| 35 |
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| 36 | def trace_begin():
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| 37 | print("Press control+C to stop and show the summary")
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| 38 |
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| 39 | def trace_end():
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| 40 | print_error_totals()
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| 41 |
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| 42 | def raw_syscalls__sys_exit(event_name, context, common_cpu,
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| 43 | common_secs, common_nsecs, common_pid, common_comm,
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| 44 | common_callchain, id, ret):
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| 45 | if (for_comm and common_comm != for_comm) or \
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| 46 | (for_pid and common_pid != for_pid ):
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| 47 | return
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| 48 |
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| 49 | if ret < 0:
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| 50 | try:
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| 51 | syscalls[common_comm][common_pid][id][ret] += 1
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| 52 | except TypeError:
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| 53 | syscalls[common_comm][common_pid][id][ret] = 1
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| 54 |
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| 55 | def syscalls__sys_exit(event_name, context, common_cpu,
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| 56 | common_secs, common_nsecs, common_pid, common_comm,
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| 57 | id, ret):
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| 58 | raw_syscalls__sys_exit(**locals())
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| 59 |
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| 60 | def print_error_totals():
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| 61 | if for_comm is not None:
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| 62 | print("\nsyscall errors for %s:\n" % (for_comm))
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| 63 | else:
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| 64 | print("\nsyscall errors:\n")
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| 65 |
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| 66 | print("%-30s %10s" % ("comm [pid]", "count"))
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| 67 | print("%-30s %10s" % ("------------------------------", "----------"))
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| 68 |
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| 69 | comm_keys = syscalls.keys()
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| 70 | for comm in comm_keys:
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| 71 | pid_keys = syscalls[comm].keys()
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| 72 | for pid in pid_keys:
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| 73 | print("\n%s [%d]" % (comm, pid))
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| 74 | id_keys = syscalls[comm][pid].keys()
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| 75 | for id in id_keys:
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| 76 | print(" syscall: %-16s" % syscall_name(id))
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| 77 | ret_keys = syscalls[comm][pid][id].keys()
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| 78 | for ret, val in sorted(syscalls[comm][pid][id].items(), key = lambda kv: (kv[1], kv[0]), reverse = True):
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| 79 | print(" err = %-20s %10d" % (strerror(ret), val))
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