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1 | /* The text dump facility needs to print headers before the trace set and |
2 | before each trace, to print each event, and to print statistics |
3 | after each trace. */ |
4 | |
996acd92 |
5 | #include <lttv/lttv.h> |
6 | #include <lttv/option.h> |
7 | #include <lttv/module.h> |
8 | #include <lttv/hook.h> |
9 | #include <lttv/attribute.h> |
10 | #include <lttv/iattribute.h> |
11 | #include <lttv/state.h> |
ffd54a90 |
12 | #include <ltt/ltt.h> |
13 | #include <ltt/event.h> |
14 | #include <ltt/type.h> |
15 | #include <ltt/trace.h> |
16 | #include <stdio.h> |
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17 | |
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18 | static gboolean |
19 | a_field_names, |
20 | a_state; |
21 | |
22 | static char |
23 | *a_file_name; |
24 | |
25 | static LttvHooks |
26 | *before_traceset, |
27 | *after_traceset, |
28 | *before_trace, |
29 | *before_event; |
30 | |
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31 | |
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32 | void print_field(LttEvent *e, LttField *f, GString *s, gboolean field_names) { |
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33 | |
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34 | LttType *type; |
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35 | |
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36 | LttField *element; |
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37 | |
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38 | char *name; |
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39 | |
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40 | int nb, i; |
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41 | |
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42 | type = ltt_field_type(f); |
43 | switch(ltt_type_class(type)) { |
44 | case LTT_INT: |
45 | g_string_append_printf(s, " %ld", ltt_event_get_long_int(e,f)); |
46 | break; |
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47 | |
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48 | case LTT_UINT: |
49 | g_string_append_printf(s, " %lu", ltt_event_get_long_unsigned(e,f)); |
50 | break; |
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51 | |
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52 | case LTT_FLOAT: |
53 | g_string_append_printf(s, " %g", ltt_event_get_double(e,f)); |
54 | break; |
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55 | |
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56 | case LTT_STRING: |
57 | g_string_append_printf(s, " \"%s\"", ltt_event_get_string(e,f)); |
58 | break; |
59 | |
60 | case LTT_ENUM: |
61 | g_string_append_printf(s, " %s", ltt_enum_string_get(type, |
62 | event_get_unsigned(e,f))); |
63 | break; |
64 | |
65 | case LTT_ARRAY: |
66 | case LTT_SEQUENCE: |
67 | g_string_append_printf(s, " {"); |
68 | nb = ltt_event_field_element_number(e,f); |
69 | element = ltt_field_element(f); |
70 | for(i = 0 ; i < nb ; i++) { |
71 | ltt_event_field_element_select(e,f,i); |
72 | print_field(e, element, s, field_names); |
73 | } |
74 | g_string_append_printf(s, " }"); |
75 | break; |
76 | |
77 | case LTT_STRUCT: |
78 | g_string_append_printf(s, " {"); |
79 | nb = ltt_type_member_number(type); |
80 | for(i = 0 ; i < nb ; i++) { |
81 | element = ltt_field_member(f,i); |
c432246e |
82 | if(field_names) { |
ffd54a90 |
83 | ltt_type_member_type(type, i, &name); |
c432246e |
84 | g_string_append_printf(s, " %s = ", name); |
ffd54a90 |
85 | } |
86 | print_field(e, element, s, field_names); |
87 | } |
88 | g_string_append_printf(s, " }"); |
89 | break; |
90 | } |
48f6f3c2 |
91 | } |
92 | |
93 | |
ffd54a90 |
94 | void lttv_event_to_string(LttEvent *e, LttTracefile *tf, GString *s, |
95 | gboolean mandatory_fields, gboolean field_names) |
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96 | { |
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97 | LttFacility *facility; |
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98 | |
ffd54a90 |
99 | LttEventType *event_type; |
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100 | |
ffd54a90 |
101 | LttType *type; |
102 | |
103 | LttField *field; |
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104 | |
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105 | LttTime time; |
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106 | |
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107 | g_string_set_size(s,0); |
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108 | |
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109 | facility = ltt_event_facility(e); |
110 | event_type = ltt_event_eventtype(e); |
111 | field = ltt_event_field(e); |
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112 | |
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113 | if(mandatory_fields) { |
114 | time = ltt_event_time(e); |
115 | g_string_append_printf(s,"%s.%s: %ld.%ld (%s)",ltt_facility_name(facility), |
116 | ltt_eventtype_name(event_type), (long)time.tv_sec, time.tv_nsec, |
117 | ltt_tracefile_name(tf)); |
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118 | /* Print the process id and the state/interrupt type of the process */ |
ffd54a90 |
119 | } |
120 | |
121 | print_field(e, field, s, field_names); |
122 | } |
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123 | |
124 | |
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125 | /* Insert the hooks before and after each trace and tracefile, and for each |
126 | event. Print a global header. */ |
127 | |
128 | static FILE *a_file; |
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129 | |
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130 | static GString *a_string; |
131 | |
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132 | static gboolean write_traceset_header(void *hook_data, void *call_data) |
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133 | { |
dc877563 |
134 | LttvTracesetContext *tc = (LttvTracesetContext *)call_data; |
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135 | |
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136 | if(a_file_name == NULL) a_file = stdout; |
137 | else a_file = fopen(a_file_name, "w"); |
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138 | |
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139 | if(a_file == NULL) g_error("cannot open file %s", a_file_name); |
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140 | |
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141 | /* Print the trace set header */ |
142 | fprintf(a_file,"Trace set contains %d traces\n\n", |
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143 | lttv_traceset_number(tc->ts)); |
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144 | |
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145 | return FALSE; |
48f6f3c2 |
146 | } |
147 | |
148 | |
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149 | static gboolean write_traceset_footer(void *hook_data, void *call_data) |
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150 | { |
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151 | LttvTracesetContext *tc = (LttvTracesetContext *)call_data; |
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152 | |
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153 | fprintf(a_file,"End trace set\n\n"); |
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154 | |
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155 | if(a_file_name != NULL) fclose(a_file); |
156 | |
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157 | return FALSE; |
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158 | } |
159 | |
160 | |
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161 | static gboolean write_trace_header(void *hook_data, void *call_data) |
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162 | { |
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163 | LttvTraceContext *tc = (LttvTraceContext *)call_data; |
164 | |
165 | LttSystemDescription *system = ltt_trace_system_description(tc->t); |
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166 | |
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167 | fprintf(a_file," Trace from %s in %s\n%s\n\n", system->node_name, |
168 | system->domain_name, system->description); |
169 | return FALSE; |
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170 | } |
171 | |
172 | |
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173 | static int write_event_content(void *hook_data, void *call_data) |
48f6f3c2 |
174 | { |
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175 | LttvTracefileContext *tfc = (LttvTracefileContext *)call_data; |
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176 | |
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177 | LttvTracefileState *tfs = (LttvTracefileState *)call_data; |
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178 | |
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179 | LttEvent *e; |
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180 | |
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181 | e = tfc->e; |
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182 | |
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183 | lttv_event_to_string(e, tfc->tf, a_string, TRUE, a_field_names); |
184 | |
185 | if(a_state) { |
186 | g_string_append_printf(a_string, " %s", |
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187 | g_quark_to_string(tfs->process->state->s)); |
dc877563 |
188 | } |
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189 | |
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190 | fputs(a_string->str, a_file); |
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191 | return FALSE; |
48f6f3c2 |
192 | } |
193 | |
194 | |
ffd54a90 |
195 | void init(int argc, char **argv) |
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196 | { |
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197 | LttvAttributeValue value; |
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198 | |
ffd54a90 |
199 | LttvIAttribute *attributes = LTTV_IATTRIBUTE(lttv_global_attributes()); |
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200 | |
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201 | a_file_name = NULL; |
202 | lttv_option_add("output", 'o', |
203 | "output file where the text is written", |
204 | "file name", |
205 | LTTV_OPT_STRING, &a_file_name, NULL, NULL); |
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206 | |
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207 | a_field_names = FALSE; |
208 | lttv_option_add("field_names", 'l', |
209 | "write the field names for each event", |
210 | "", |
211 | LTTV_OPT_NONE, &a_field_names, NULL, NULL); |
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212 | |
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213 | a_state = FALSE; |
214 | lttv_option_add("process_state", 's', |
215 | "write the pid and state for each event", |
216 | "", |
217 | LTTV_OPT_NONE, &a_state, NULL, NULL); |
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218 | |
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219 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/event/before", |
220 | LTTV_POINTER, &value)); |
221 | g_assert((before_event = *(value.v_pointer)) != NULL); |
222 | lttv_hooks_add(before_event, write_event_content, NULL); |
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223 | |
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224 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/trace/before", |
225 | LTTV_POINTER, &value)); |
226 | g_assert((before_trace = *(value.v_pointer)) != NULL); |
227 | lttv_hooks_add(before_trace, write_trace_header, NULL); |
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228 | |
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229 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/traceset/before", |
230 | LTTV_POINTER, &value)); |
231 | g_assert((before_traceset = *(value.v_pointer)) != NULL); |
232 | lttv_hooks_add(before_traceset, write_traceset_header, NULL); |
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233 | |
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234 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/traceset/after", |
235 | LTTV_POINTER, &value)); |
236 | g_assert((after_traceset = *(value.v_pointer)) != NULL); |
237 | lttv_hooks_add(after_traceset, write_traceset_footer, NULL); |
238 | } |
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239 | |
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240 | |
ffd54a90 |
241 | void destroy() |
242 | { |
243 | lttv_option_remove("output"); |
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244 | |
ffd54a90 |
245 | lttv_option_remove("field_names"); |
48f6f3c2 |
246 | |
ffd54a90 |
247 | lttv_option_remove("process_state"); |
48f6f3c2 |
248 | |
ffd54a90 |
249 | lttv_hooks_remove_data(before_event, write_event_content, NULL); |
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250 | |
ffd54a90 |
251 | lttv_hooks_remove_data(before_trace, write_trace_header, NULL); |
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252 | |
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253 | lttv_hooks_remove_data(before_trace, write_traceset_header, NULL); |
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254 | |
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255 | lttv_hooks_remove_data(before_trace, write_traceset_footer, NULL); |
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256 | } |
257 | |
258 | |
259 | |
260 | |