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4ed24f86 JD |
1 | #!/usr/bin/env python3 |
2 | # | |
3 | # The MIT License (MIT) | |
4 | # | |
5 | # Copyright (C) 2015 - Julien Desfossez <jdesfosez@efficios.com> | |
6 | # | |
7 | # Permission is hereby granted, free of charge, to any person obtaining a copy | |
8 | # of this software and associated documentation files (the "Software"), to deal | |
9 | # in the Software without restriction, including without limitation the rights | |
10 | # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
11 | # copies of the Software, and to permit persons to whom the Software is | |
12 | # furnished to do so, subject to the following conditions: | |
13 | # | |
14 | # The above copyright notice and this permission notice shall be included in | |
15 | # all copies or substantial portions of the Software. | |
16 | # | |
17 | # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
18 | # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
19 | # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
20 | # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
21 | # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
22 | # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
23 | # SOFTWARE. | |
24 | ||
a04c353a JD |
25 | from .command import Command |
26 | import lttnganalyses.syscalls | |
27 | from linuxautomaton import common | |
28 | import operator | |
29 | ||
30 | ||
31 | class SyscallsAnalysis(Command): | |
32 | _VERSION = '0.1.0' | |
33 | _DESC = """The I/O command.""" | |
34 | ||
35 | def __init__(self): | |
36 | super().__init__(self._add_arguments, | |
37 | enable_proc_filter_args=True) | |
38 | # enable_max_min_args=True, | |
39 | # enable_max_min_size_arg=True, | |
40 | # enable_freq_arg=True, | |
41 | # enable_log_arg=True, | |
42 | # enable_stats_arg=True) | |
43 | ||
44 | def _validate_transform_args(self): | |
45 | pass | |
46 | ||
47 | def run(self): | |
48 | # parse arguments first | |
49 | self._parse_args() | |
50 | # validate, transform and save specific arguments | |
51 | self._validate_transform_args() | |
52 | # open the trace | |
53 | self._open_trace() | |
54 | # create the appropriate analysis/analyses | |
55 | self._create_analysis() | |
56 | # run the analysis | |
57 | self._run_analysis(self._reset_total, self._refresh) | |
58 | # process the results | |
59 | self._compute_stats() | |
60 | # print results | |
61 | self._print_results(self.start_ns, self.trace_end_ts, final=1) | |
62 | # close the trace | |
63 | self._close_trace() | |
64 | ||
65 | def _create_analysis(self): | |
66 | self._analysis = lttnganalyses.syscalls.SyscallsAnalysis( | |
67 | self._automaton.state) | |
68 | ||
69 | def _compute_stats(self): | |
70 | self.state = self._automaton.state | |
71 | pass | |
72 | ||
73 | def _refresh(self, begin, end): | |
74 | self._compute_stats() | |
75 | self._print_results(begin, end, final=0) | |
76 | self._reset_total(end) | |
77 | ||
74e314ec JD |
78 | def filter_process(self, proc): |
79 | if self._arg_proc_list and proc.comm not in self._arg_proc_list: | |
80 | return False | |
81 | if self._arg_pid_list and str(proc.pid) not in self._arg_pid_list: | |
82 | return False | |
83 | return True | |
84 | ||
a04c353a JD |
85 | def _print_results(self, begin_ns, end_ns, final=0): |
86 | count = 0 | |
87 | limit = self._arg_limit | |
35743f87 JD |
88 | print('Timerange: [%s, %s]' % ( |
89 | common.ns_to_hour_nsec(begin_ns, gmt=self._arg_gmt, | |
90 | multi_day=True), | |
91 | common.ns_to_hour_nsec(end_ns, gmt=self._arg_gmt, | |
92 | multi_day=True))) | |
a04c353a JD |
93 | print("Per-TID syscalls usage") |
94 | for tid in sorted(self.state.tids.values(), | |
95 | key=operator.attrgetter('total_syscalls'), | |
96 | reverse=True): | |
74e314ec JD |
97 | if not self.filter_process(tid): |
98 | continue | |
99 | print("%s (%d), %d syscalls:" % (tid.comm, tid.pid, | |
a04c353a JD |
100 | tid.total_syscalls)) |
101 | for syscall in sorted(tid.syscalls.values(), | |
102 | key=operator.attrgetter('count'), | |
103 | reverse=True): | |
104 | print("- %s : %d" % (syscall.name, syscall.count)) | |
105 | count = count + 1 | |
106 | if limit > 0 and count >= limit: | |
107 | break | |
108 | print("") | |
109 | ||
110 | print("\nTotal syscalls: %d" % (self.state.syscalls["total"])) | |
111 | ||
112 | def _reset_total(self, start_ts): | |
113 | pass | |
114 | ||
115 | def _add_arguments(self, ap): | |
116 | # specific argument | |
117 | pass | |
118 | ||
119 | ||
120 | # entry point | |
121 | def run(): | |
122 | # create command | |
123 | syscallscmd = SyscallsAnalysis() | |
124 | ||
125 | # execute command | |
126 | syscallscmd.run() |