scripts/analyse-9p-simpletrace.py: Add symbolic names for 9p operations.
Currently, we just print the numerical value of 9p operation identifier in case of RERROR which is less meaningful for readability. Mapping 9p operation ids to symbolic names provides a better tracelog: RERROR (tag = 1 , id = TWALK , err = " No such file or directory ") RERROR (tag = 1 , id = TUNLINKAT , err = " Directory not empty ") This patch provides a dictionary of all possible 9p operation symbols mapped to their numerical identifiers which are likely to be used in future at various places in this script. Signed-off-by: Harsh Prateek Bora <harsh@linux.vnet.ibm.com> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
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# Usage: ./analyse-9p-simpletrace <trace-events> <trace-pid>
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#
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# Author: Harsh Prateek Bora
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import os
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import simpletrace
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symbol_9p = {
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6 : 'TLERROR',
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7 : 'RLERROR',
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8 : 'TSTATFS',
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9 : 'RSTATFS',
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12 : 'TLOPEN',
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13 : 'RLOPEN',
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14 : 'TLCREATE',
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15 : 'RLCREATE',
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16 : 'TSYMLINK',
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17 : 'RSYMLINK',
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18 : 'TMKNOD',
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19 : 'RMKNOD',
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20 : 'TRENAME',
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21 : 'RRENAME',
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22 : 'TREADLINK',
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23 : 'RREADLINK',
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24 : 'TGETATTR',
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25 : 'RGETATTR',
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26 : 'TSETATTR',
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27 : 'RSETATTR',
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30 : 'TXATTRWALK',
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31 : 'RXATTRWALK',
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32 : 'TXATTRCREATE',
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33 : 'RXATTRCREATE',
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40 : 'TREADDIR',
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41 : 'RREADDIR',
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50 : 'TFSYNC',
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51 : 'RFSYNC',
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52 : 'TLOCK',
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53 : 'RLOCK',
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54 : 'TGETLOCK',
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55 : 'RGETLOCK',
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70 : 'TLINK',
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71 : 'RLINK',
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72 : 'TMKDIR',
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73 : 'RMKDIR',
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74 : 'TRENAMEAT',
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75 : 'RRENAMEAT',
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76 : 'TUNLINKAT',
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77 : 'RUNLINKAT',
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100 : 'TVERSION',
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101 : 'RVERSION',
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102 : 'TAUTH',
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103 : 'RAUTH',
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104 : 'TATTACH',
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105 : 'RATTACH',
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106 : 'TERROR',
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107 : 'RERROR',
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108 : 'TFLUSH',
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109 : 'RFLUSH',
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110 : 'TWALK',
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111 : 'RWALK',
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112 : 'TOPEN',
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113 : 'ROPEN',
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114 : 'TCREATE',
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115 : 'RCREATE',
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116 : 'TREAD',
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117 : 'RREAD',
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118 : 'TWRITE',
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119 : 'RWRITE',
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120 : 'TCLUNK',
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121 : 'RCLUNK',
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122 : 'TREMOVE',
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123 : 'RREMOVE',
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124 : 'TSTAT',
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125 : 'RSTAT',
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126 : 'TWSTAT',
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127 : 'RWSTAT'
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}
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class VirtFSRequestTracker(simpletrace.Analyzer):
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def begin(self):
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print "Pretty printing 9p simpletrace log ..."
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def v9fs_rerror(self, tag, id, err):
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print "RERROR (tag =", tag, ", id =", id, ",err =", err, ")"
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print "RERROR (tag =", tag, ", id =", symbol_9p[id], ", err = \"", os.strerror(err), "\")"
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def v9fs_version(self, tag, id, msize, version):
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print "TVERSION (tag =", tag, ", msize =", msize, ", version =", version, ")"
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