| 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 <errno.h> |
| 24 | #include <sys/types.h> |
| 25 | #include <unistd.h> |
| 26 | |
| 27 | #include "sync_chain.h" |
| 28 | #include "graph_functions.h" |
| 29 | |
| 30 | |
| 31 | void writeGraphsScript(SyncState* const syncState) |
| 32 | { |
| 33 | unsigned int i, j, k, l, m; |
| 34 | long pos1, pos2; |
| 35 | const GraphFunctions* moduleGraphFunctions[]= { |
| 36 | &syncState->processingModule->graphFunctions, |
| 37 | &syncState->matchingModule->graphFunctions, |
| 38 | &syncState->analysisModule->graphFunctions, |
| 39 | }; |
| 40 | const struct { |
| 41 | char* name; |
| 42 | size_t plotsOffsets[2]; |
| 43 | size_t optionsOffset; |
| 44 | } graphTypes[]= { |
| 45 | { |
| 46 | "TraceTrace", |
| 47 | { |
| 48 | offsetof(GraphFunctions, writeTraceTraceBackPlots), |
| 49 | offsetof(GraphFunctions, writeTraceTraceForePlots), |
| 50 | }, |
| 51 | offsetof(GraphFunctions, writeTraceTraceOptions), |
| 52 | }, |
| 53 | { |
| 54 | "TraceTime", |
| 55 | { |
| 56 | offsetof(GraphFunctions, writeTraceTimeBackPlots), |
| 57 | offsetof(GraphFunctions, writeTraceTimeForePlots), |
| 58 | }, |
| 59 | offsetof(GraphFunctions, writeTraceTimeOptions), |
| 60 | }, |
| 61 | }; |
| 62 | |
| 63 | fprintf(syncState->graphsStream, "\n"); |
| 64 | |
| 65 | // Write variables |
| 66 | pos1= ftell(syncState->graphsStream); |
| 67 | for (i= 0; i < syncState->traceNb; i++) |
| 68 | { |
| 69 | for (k= 0; k < sizeof(moduleGraphFunctions) / |
| 70 | sizeof(*moduleGraphFunctions); k++) |
| 71 | { |
| 72 | GraphVariableFunction** writeVariables= (void*) |
| 73 | moduleGraphFunctions[k] + offsetof(GraphFunctions, |
| 74 | writeVariables); |
| 75 | |
| 76 | if (*writeVariables) |
| 77 | { |
| 78 | (*writeVariables)(syncState, i); |
| 79 | } |
| 80 | } |
| 81 | } |
| 82 | fflush(syncState->graphsStream); |
| 83 | pos2= ftell(syncState->graphsStream); |
| 84 | if (pos1 != pos2) |
| 85 | { |
| 86 | fprintf(syncState->graphsStream, "\n"); |
| 87 | } |
| 88 | |
| 89 | // Write plots and options |
| 90 | for (l= 0; l < sizeof(graphTypes) / sizeof(*graphTypes); l++) |
| 91 | { |
| 92 | // Cover the upper triangular matrix, i is the reference node. |
| 93 | for (i= 0; i < syncState->traceNb; i++) |
| 94 | { |
| 95 | for (j= i + 1; j < syncState->traceNb; j++) |
| 96 | { |
| 97 | long trunc; |
| 98 | |
| 99 | fprintf(syncState->graphsStream, |
| 100 | "reset\n" |
| 101 | "set output \"%03d-%03d-%s.eps\"\n" |
| 102 | "plot \\\n", i, j, graphTypes[l].name); |
| 103 | |
| 104 | pos1= ftell(syncState->graphsStream); |
| 105 | |
| 106 | for (m= 0; m < sizeof(graphTypes[l].plotsOffsets) / |
| 107 | sizeof(*graphTypes[l].plotsOffsets); m++) |
| 108 | { |
| 109 | for (k= 0; k < sizeof(moduleGraphFunctions) / |
| 110 | sizeof(*moduleGraphFunctions); k++) |
| 111 | { |
| 112 | GraphFunction** writePlots= (void*) |
| 113 | moduleGraphFunctions[k] + |
| 114 | graphTypes[l].plotsOffsets[m]; |
| 115 | |
| 116 | if (*writePlots) |
| 117 | { |
| 118 | (*writePlots)(syncState, i, j); |
| 119 | } |
| 120 | } |
| 121 | } |
| 122 | |
| 123 | fflush(syncState->graphsStream); |
| 124 | pos2= ftell(syncState->graphsStream); |
| 125 | if (pos1 != pos2) |
| 126 | { |
| 127 | // Remove the ", \\\n" from the last graph plot line |
| 128 | trunc= pos2 - 4; |
| 129 | } |
| 130 | else |
| 131 | { |
| 132 | // Remove the "plot \\\n" line to avoid creating an invalid |
| 133 | // gnuplot script |
| 134 | trunc= pos2 - 7; |
| 135 | } |
| 136 | |
| 137 | if (ftruncate(fileno(syncState->graphsStream), trunc) == -1) |
| 138 | { |
| 139 | g_error(strerror(errno)); |
| 140 | } |
| 141 | if (fseek(syncState->graphsStream, 0, SEEK_END) == -1) |
| 142 | { |
| 143 | g_error(strerror(errno)); |
| 144 | } |
| 145 | |
| 146 | fprintf(syncState->graphsStream, |
| 147 | "\nset output \"%03d-%03d-%s.eps\"\n" |
| 148 | "set title \"\"\n", i, j, graphTypes[l].name); |
| 149 | |
| 150 | for (k= 0; k < sizeof(moduleGraphFunctions) / |
| 151 | sizeof(*moduleGraphFunctions); k++) |
| 152 | { |
| 153 | GraphFunction** writeOptions= (void*) |
| 154 | moduleGraphFunctions[k] + graphTypes[l].optionsOffset; |
| 155 | |
| 156 | if (*writeOptions) |
| 157 | { |
| 158 | (*writeOptions)(syncState, i, j); |
| 159 | } |
| 160 | } |
| 161 | |
| 162 | if (pos1 != pos2) |
| 163 | { |
| 164 | fprintf(syncState->graphsStream, "replot\n\n"); |
| 165 | } |
| 166 | else |
| 167 | { |
| 168 | fprintf(syncState->graphsStream, "\n"); |
| 169 | } |
| 170 | } |
| 171 | } |
| 172 | } |
| 173 | } |