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1 | /* This file is part of the Linux Trace Toolkit viewer |
2 | * Copyright (C) 2009 Benjamin Poirier <benjamin.poirier@polymtl.ca> | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or modify | |
5 | * it under the terms of the GNU General Public License Version 2 as | |
6 | * published by the Free Software Foundation; | |
7 | * | |
8 | * This program is distributed in the hope that it will be useful, | |
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
11 | * GNU General Public License for more details. | |
12 | * | |
13 | * You should have received a copy of the GNU General Public License | |
14 | * along with this program; if not, write to the Free Software | |
15 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, | |
16 | * MA 02111-1307, USA. | |
17 | */ | |
18 | ||
19 | #ifdef HAVE_CONFIG_H | |
20 | #include <config.h> | |
21 | #endif | |
22 | ||
23 | #include <stdlib.h> | |
24 | ||
25 | #include "sync_chain_lttv.h" | |
26 | ||
27 | #include "event_analysis_eval.h" | |
28 | ||
29 | ||
30 | // Functions common to all analysis modules | |
31 | static void initAnalysisEval(SyncState* const syncState); | |
32 | static void destroyAnalysisEval(SyncState* const syncState); | |
33 | ||
34 | static void analyzeMessageEval(SyncState* const syncState, Message* const | |
35 | message); | |
36 | static void analyzeExchangeEval(SyncState* const syncState, Exchange* const | |
37 | exchange); | |
38 | static void analyzeBroadcastEval(SyncState* const syncState, Broadcast* const | |
39 | broadcast); | |
40 | static GArray* finalizeAnalysisEval(SyncState* const syncState); | |
41 | static void printAnalysisStatsEval(SyncState* const syncState); | |
42 | ||
43 | // Functions specific to this module | |
44 | static void registerAnalysisEval() __attribute__((constructor (102))); | |
45 | ||
46 | ||
47 | static AnalysisModule analysisModuleEval= { | |
48 | .name= "eval", | |
49 | .initAnalysis= &initAnalysisEval, | |
50 | .destroyAnalysis= &destroyAnalysisEval, | |
51 | .analyzeMessage= &analyzeMessageEval, | |
52 | .analyzeExchange= &analyzeExchangeEval, | |
53 | .analyzeBroadcast= &analyzeBroadcastEval, | |
54 | .finalizeAnalysis= &finalizeAnalysisEval, | |
55 | .printAnalysisStats= &printAnalysisStatsEval, | |
56 | .writeAnalysisGraphsPlots= NULL, | |
57 | .writeAnalysisGraphsOptions= NULL, | |
58 | }; | |
59 | ||
60 | ||
61 | /* | |
62 | * Analysis module registering function | |
63 | */ | |
64 | static void registerAnalysisEval() | |
65 | { | |
66 | g_queue_push_tail(&analysisModules, &analysisModuleEval); | |
67 | } | |
68 | ||
69 | ||
70 | /* | |
71 | * Analysis init function | |
72 | * | |
73 | * This function is called at the beginning of a synchronization run for a set | |
74 | * of traces. | |
75 | * | |
76 | * Args: | |
77 | * syncState container for synchronization data. | |
78 | */ | |
79 | static void initAnalysisEval(SyncState* const syncState) | |
80 | { | |
81 | AnalysisDataEval* analysisData; | |
82 | unsigned int i; | |
83 | ||
84 | analysisData= malloc(sizeof(AnalysisDataEval)); | |
85 | syncState->analysisData= analysisData; | |
86 | ||
87 | //readRttInfo(&analysisData->rttInfo, optionEvalRttFile); | |
88 | ||
89 | if (syncState->stats) | |
90 | { | |
91 | analysisData->stats= malloc(sizeof(AnalysisStatsEval)); | |
92 | analysisData->stats->broadcastDiffSum= 0.; | |
93 | ||
94 | analysisData->stats->allStats= malloc(syncState->traceNb * | |
95 | sizeof(TracePairStats*)); | |
96 | for (i= 0; i < syncState->traceNb; i++) | |
97 | { | |
98 | analysisData->stats->allStats[i]= calloc(syncState->traceNb, | |
99 | sizeof(TracePairStats)); | |
100 | } | |
101 | } | |
102 | } | |
103 | ||
104 | ||
105 | /* | |
106 | * Analysis destroy function | |
107 | * | |
108 | * Free the analysis specific data structures | |
109 | * | |
110 | * Args: | |
111 | * syncState container for synchronization data. | |
112 | */ | |
113 | static void destroyAnalysisEval(SyncState* const syncState) | |
114 | { | |
115 | unsigned int i; | |
116 | AnalysisDataEval* analysisData; | |
117 | ||
118 | analysisData= (AnalysisDataEval*) syncState->analysisData; | |
119 | ||
120 | if (analysisData == NULL || analysisData->rttInfo == NULL) | |
121 | { | |
122 | return; | |
123 | } | |
124 | ||
125 | //g_hash_table_destroy(analysisData->rttInfo); | |
126 | analysisData->rttInfo= NULL; | |
127 | ||
128 | if (syncState->stats) | |
129 | { | |
130 | for (i= 0; i < syncState->traceNb; i++) | |
131 | { | |
132 | free(analysisData->stats->allStats[i]); | |
133 | } | |
134 | free(analysisData->stats->allStats); | |
135 | free(analysisData->stats); | |
136 | } | |
137 | ||
138 | free(syncState->analysisData); | |
139 | syncState->analysisData= NULL; | |
140 | } | |
141 | ||
142 | ||
143 | /* | |
144 | * Perform analysis on an event pair. | |
145 | * | |
146 | * Args: | |
147 | * syncState container for synchronization data | |
148 | * message structure containing the events | |
149 | */ | |
150 | static void analyzeMessageEval(SyncState* const syncState, Message* const message) | |
151 | { | |
152 | AnalysisDataEval* analysisData; | |
153 | ||
154 | analysisData= (AnalysisDataEval*) syncState->analysisData; | |
155 | } | |
156 | ||
157 | ||
158 | /* | |
159 | * Perform analysis on multiple messages | |
160 | * | |
161 | * Args: | |
162 | * syncState container for synchronization data | |
163 | * exchange structure containing the messages | |
164 | */ | |
165 | static void analyzeExchangeEval(SyncState* const syncState, Exchange* const exchange) | |
166 | { | |
167 | AnalysisDataEval* analysisData; | |
168 | ||
169 | analysisData= (AnalysisDataEval*) syncState->analysisData; | |
170 | } | |
171 | ||
172 | ||
173 | /* | |
174 | * Perform analysis on muliple events | |
175 | * | |
176 | * Args: | |
177 | * syncState container for synchronization data | |
178 | * broadcast structure containing the events | |
179 | */ | |
180 | static void analyzeBroadcastEval(SyncState* const syncState, Broadcast* const broadcast) | |
181 | { | |
182 | AnalysisDataEval* analysisData; | |
183 | ||
184 | analysisData= (AnalysisDataEval*) syncState->analysisData; | |
185 | } | |
186 | ||
187 | ||
188 | /* | |
189 | * Finalize the factor calculations | |
190 | * | |
191 | * Since this module does not really calculate factors, identity factors are | |
192 | * returned. | |
193 | * | |
194 | * Args: | |
195 | * syncState container for synchronization data. | |
196 | * | |
197 | * Returns: | |
198 | * Factors[traceNb] synchronization factors for each trace | |
199 | */ | |
200 | static GArray* finalizeAnalysisEval(SyncState* const syncState) | |
201 | { | |
202 | GArray* factors; | |
203 | unsigned int i; | |
204 | ||
205 | factors= g_array_sized_new(FALSE, FALSE, sizeof(Factors), | |
206 | syncState->traceNb); | |
207 | g_array_set_size(factors, syncState->traceNb); | |
208 | for (i= 0; i < syncState->traceNb; i++) | |
209 | { | |
210 | Factors* e; | |
211 | ||
212 | e= &g_array_index(factors, Factors, i); | |
213 | e->drift= 1.; | |
214 | e->offset= 0.; | |
215 | } | |
216 | ||
217 | return factors; | |
218 | } | |
219 | ||
220 | ||
221 | /* | |
222 | * Print statistics related to analysis. Must be called after | |
223 | * finalizeAnalysis. | |
224 | * | |
225 | * Args: | |
226 | * syncState container for synchronization data. | |
227 | */ | |
228 | static void printAnalysisStatsEval(SyncState* const syncState) | |
229 | { | |
230 | AnalysisDataEval* analysisData; | |
231 | unsigned int i, j; | |
232 | ||
233 | if (!syncState->stats) | |
234 | { | |
235 | return; | |
236 | } | |
237 | ||
238 | analysisData= (AnalysisDataEval*) syncState->analysisData; | |
239 | ||
240 | printf("Synchronization evaluation analysis stats:\n"); | |
241 | printf("\tsum of broadcast differential delays: %g\n", | |
242 | analysisData->stats->broadcastDiffSum); | |
243 | ||
244 | printf("\tIndividual evaluation:\n" | |
245 | "\t\tTrace pair Inversions Too fast (No RTT info)\n"); | |
246 | ||
247 | for (i= 0; i < syncState->traceNb; i++) | |
248 | { | |
249 | for (j= i + 1; j < syncState->traceNb; j++) | |
250 | { | |
251 | TracePairStats* tpStats; | |
252 | const char* format= "\t\t%3d - %-3d %-10u %-10u %u\n"; | |
253 | ||
254 | tpStats= &analysisData->stats->allStats[i][j]; | |
255 | ||
256 | printf(format, i, j, tpStats->inversionNb, tpStats->tooFastNb, | |
257 | tpStats->noRTTInfoNb); | |
258 | ||
259 | tpStats= &analysisData->stats->allStats[j][i]; | |
260 | ||
261 | printf(format, j, i, tpStats->inversionNb, tpStats->tooFastNb, | |
262 | tpStats->noRTTInfoNb); | |
263 | } | |
264 | } | |
265 | } |