48f6f3c2 |
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> |
996acd92 |
17 | |
dc877563 |
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 | |
f60d7a47 |
31 | |
ffd54a90 |
32 | void print_field(LttEvent *e, LttField *f, GString *s, gboolean field_names) { |
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33 | |
ffd54a90 |
34 | LttType *type; |
dc877563 |
35 | |
ffd54a90 |
36 | LttField *element; |
dc877563 |
37 | |
ffd54a90 |
38 | char *name; |
dc877563 |
39 | |
ffd54a90 |
40 | int nb, i; |
dc877563 |
41 | |
ffd54a90 |
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; |
dc877563 |
47 | |
ffd54a90 |
48 | case LTT_UINT: |
49 | g_string_append_printf(s, " %lu", ltt_event_get_long_unsigned(e,f)); |
50 | break; |
dc877563 |
51 | |
ffd54a90 |
52 | case LTT_FLOAT: |
53 | g_string_append_printf(s, " %g", ltt_event_get_double(e,f)); |
54 | break; |
dc877563 |
55 | |
ffd54a90 |
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, |
c6bc9cb9 |
62 | ltt_event_get_unsigned(e,f)-1)); |
ffd54a90 |
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, |
3d27549e |
95 | gboolean mandatory_fields, gboolean field_names, LttvTracefileState *tfs) |
96 | { |
ffd54a90 |
97 | LttFacility *facility; |
48f6f3c2 |
98 | |
ffd54a90 |
99 | LttEventType *event_type; |
48f6f3c2 |
100 | |
ffd54a90 |
101 | LttType *type; |
102 | |
103 | LttField *field; |
48f6f3c2 |
104 | |
ffd54a90 |
105 | LttTime time; |
48f6f3c2 |
106 | |
ffd54a90 |
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 | |
ffd54a90 |
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)); |
c432246e |
118 | /* Print the process id and the state/interrupt type of the process */ |
3d27549e |
119 | g_string_append_printf(s,", %d, %s", tfs->process->pid, |
120 | g_quark_to_string(tfs->process->state->t)); |
ffd54a90 |
121 | } |
122 | |
c6bc9cb9 |
123 | if(field) |
124 | print_field(e, field, s, field_names); |
ffd54a90 |
125 | } |
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126 | |
127 | |
dc877563 |
128 | /* Insert the hooks before and after each trace and tracefile, and for each |
129 | event. Print a global header. */ |
130 | |
131 | static FILE *a_file; |
48f6f3c2 |
132 | |
dc877563 |
133 | static GString *a_string; |
134 | |
ffd54a90 |
135 | static gboolean write_traceset_header(void *hook_data, void *call_data) |
48f6f3c2 |
136 | { |
dc877563 |
137 | LttvTracesetContext *tc = (LttvTracesetContext *)call_data; |
48f6f3c2 |
138 | |
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139 | if(a_file_name == NULL) a_file = stdout; |
140 | else a_file = fopen(a_file_name, "w"); |
48f6f3c2 |
141 | |
dc877563 |
142 | if(a_file == NULL) g_error("cannot open file %s", a_file_name); |
48f6f3c2 |
143 | |
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144 | /* Print the trace set header */ |
145 | fprintf(a_file,"Trace set contains %d traces\n\n", |
ffd54a90 |
146 | lttv_traceset_number(tc->ts)); |
48f6f3c2 |
147 | |
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148 | return FALSE; |
48f6f3c2 |
149 | } |
150 | |
151 | |
ffd54a90 |
152 | static gboolean write_traceset_footer(void *hook_data, void *call_data) |
48f6f3c2 |
153 | { |
dc877563 |
154 | LttvTracesetContext *tc = (LttvTracesetContext *)call_data; |
48f6f3c2 |
155 | |
dc877563 |
156 | fprintf(a_file,"End trace set\n\n"); |
48f6f3c2 |
157 | |
ffd54a90 |
158 | if(a_file_name != NULL) fclose(a_file); |
159 | |
dc877563 |
160 | return FALSE; |
48f6f3c2 |
161 | } |
162 | |
163 | |
dc877563 |
164 | static gboolean write_trace_header(void *hook_data, void *call_data) |
48f6f3c2 |
165 | { |
dc877563 |
166 | LttvTraceContext *tc = (LttvTraceContext *)call_data; |
167 | |
168 | LttSystemDescription *system = ltt_trace_system_description(tc->t); |
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169 | |
dc877563 |
170 | fprintf(a_file," Trace from %s in %s\n%s\n\n", system->node_name, |
171 | system->domain_name, system->description); |
172 | return FALSE; |
48f6f3c2 |
173 | } |
174 | |
175 | |
dc877563 |
176 | static int write_event_content(void *hook_data, void *call_data) |
48f6f3c2 |
177 | { |
dc877563 |
178 | LttvTracefileContext *tfc = (LttvTracefileContext *)call_data; |
48f6f3c2 |
179 | |
dc877563 |
180 | LttvTracefileState *tfs = (LttvTracefileState *)call_data; |
48f6f3c2 |
181 | |
dc877563 |
182 | LttEvent *e; |
48f6f3c2 |
183 | |
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184 | e = tfc->e; |
48f6f3c2 |
185 | |
3d27549e |
186 | lttv_event_to_string(e, tfc->tf, a_string, TRUE, a_field_names, tfs); |
c6bc9cb9 |
187 | g_string_append_printf(a_string,"\n"); |
dc877563 |
188 | |
189 | if(a_state) { |
190 | g_string_append_printf(a_string, " %s", |
ffd54a90 |
191 | g_quark_to_string(tfs->process->state->s)); |
dc877563 |
192 | } |
48f6f3c2 |
193 | |
ffd54a90 |
194 | fputs(a_string->str, a_file); |
dc877563 |
195 | return FALSE; |
48f6f3c2 |
196 | } |
197 | |
198 | |
d83f6739 |
199 | //void init(int argc, char **argv) |
200 | G_MODULE_EXPORT void init(LttvModule *self, int argc, char **argv) |
48f6f3c2 |
201 | { |
ffd54a90 |
202 | LttvAttributeValue value; |
48f6f3c2 |
203 | |
ffd54a90 |
204 | LttvIAttribute *attributes = LTTV_IATTRIBUTE(lttv_global_attributes()); |
48f6f3c2 |
205 | |
c6bc9cb9 |
206 | a_string = g_string_new(""); |
207 | |
ffd54a90 |
208 | a_file_name = NULL; |
209 | lttv_option_add("output", 'o', |
210 | "output file where the text is written", |
211 | "file name", |
212 | LTTV_OPT_STRING, &a_file_name, NULL, NULL); |
48f6f3c2 |
213 | |
ffd54a90 |
214 | a_field_names = FALSE; |
215 | lttv_option_add("field_names", 'l', |
216 | "write the field names for each event", |
217 | "", |
218 | LTTV_OPT_NONE, &a_field_names, NULL, NULL); |
48f6f3c2 |
219 | |
ffd54a90 |
220 | a_state = FALSE; |
221 | lttv_option_add("process_state", 's', |
222 | "write the pid and state for each event", |
223 | "", |
224 | LTTV_OPT_NONE, &a_state, NULL, NULL); |
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225 | |
ffd54a90 |
226 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/event/before", |
227 | LTTV_POINTER, &value)); |
228 | g_assert((before_event = *(value.v_pointer)) != NULL); |
229 | lttv_hooks_add(before_event, write_event_content, NULL); |
dc877563 |
230 | |
ffd54a90 |
231 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/trace/before", |
232 | LTTV_POINTER, &value)); |
233 | g_assert((before_trace = *(value.v_pointer)) != NULL); |
234 | lttv_hooks_add(before_trace, write_trace_header, NULL); |
dc877563 |
235 | |
ffd54a90 |
236 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/traceset/before", |
237 | LTTV_POINTER, &value)); |
238 | g_assert((before_traceset = *(value.v_pointer)) != NULL); |
239 | lttv_hooks_add(before_traceset, write_traceset_header, NULL); |
dc877563 |
240 | |
ffd54a90 |
241 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/traceset/after", |
242 | LTTV_POINTER, &value)); |
243 | g_assert((after_traceset = *(value.v_pointer)) != NULL); |
244 | lttv_hooks_add(after_traceset, write_traceset_footer, NULL); |
245 | } |
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246 | |
48f6f3c2 |
247 | |
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248 | G_MODULE_EXPORT void destroy() |
ffd54a90 |
249 | { |
250 | lttv_option_remove("output"); |
48f6f3c2 |
251 | |
ffd54a90 |
252 | lttv_option_remove("field_names"); |
48f6f3c2 |
253 | |
ffd54a90 |
254 | lttv_option_remove("process_state"); |
48f6f3c2 |
255 | |
c6bc9cb9 |
256 | g_string_free(a_string, TRUE); |
257 | |
ffd54a90 |
258 | lttv_hooks_remove_data(before_event, write_event_content, NULL); |
48f6f3c2 |
259 | |
ffd54a90 |
260 | lttv_hooks_remove_data(before_trace, write_trace_header, NULL); |
48f6f3c2 |
261 | |
ffd54a90 |
262 | lttv_hooks_remove_data(before_trace, write_traceset_header, NULL); |
48f6f3c2 |
263 | |
ffd54a90 |
264 | lttv_hooks_remove_data(before_trace, write_traceset_footer, NULL); |
48f6f3c2 |
265 | } |
266 | |
267 | |
268 | |
269 | |