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 | |
dc877563 |
5 | static gboolean |
6 | a_field_names, |
7 | a_state; |
8 | |
9 | static char |
10 | *a_file_name; |
11 | |
12 | static LttvHooks |
13 | *before_traceset, |
14 | *after_traceset, |
15 | *before_trace, |
16 | *before_event; |
17 | |
f60d7a47 |
18 | |
48f6f3c2 |
19 | void init(int argc, char **argv) |
20 | { |
dc877563 |
21 | LttvAttribute_value *value; |
22 | |
23 | LttvIAttributes *attributes = LTTV_IATTRIBUTES(lttv_global_attributes()); |
24 | |
25 | a_file_name = NULL; |
26 | lttv_option_add("output", 'o', |
27 | "output file where the text is written", |
28 | "file name", |
29 | LTTV_OPT_STRING, &a_file_name, NULL, NULL); |
30 | |
31 | a_field_names = FALSE; |
32 | lttv_option_add("field_names", 'l', |
33 | "write the field names for each event", |
34 | "", |
35 | LTTV_OPT_NONE, &a_field_names, NULL, NULL); |
36 | |
37 | a_state = FALSE; |
38 | lttv_option_add("process_state", 's', |
39 | "write the pid and state for each event", |
40 | "", |
41 | LTTV_OPT_NONE, &a_state, NULL, NULL); |
42 | |
43 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/event/before", |
44 | LTTV_POINTER, &value)); |
45 | g_assert((before_event = *(value->v_pointer)) != NULL); |
46 | lttv_hooks_add(before_event, write_event_content, NULL); |
47 | |
48 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/trace/before", |
49 | LTTV_POINTER, &value)); |
50 | g_assert((before_trace = *(value->v_pointer)) != NULL); |
51 | lttv_hooks_add(before_trace, write_trace_header, NULL); |
52 | |
53 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/traceset/before", |
54 | LTTV_POINTER, &value)); |
55 | g_assert((before_traceset = *(value->v_pointer)) != NULL); |
56 | lttv_hooks_add(before_traceset, write_traceset_header, NULL); |
57 | |
58 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/traceset/after", |
59 | LTTV_POINTER, &value)); |
60 | g_assert((after_traceset = *(value->v_pointer)) != NULL); |
61 | lttv_hooks_add(after_traceset, write_traceset_footer, NULL); |
48f6f3c2 |
62 | } |
63 | |
64 | |
65 | void destroy() |
66 | { |
dc877563 |
67 | lttv_option_remove("output"); |
48f6f3c2 |
68 | |
dc877563 |
69 | lttv_option_remove("field_names"); |
48f6f3c2 |
70 | |
dc877563 |
71 | lttv_option_remove("process_state"); |
48f6f3c2 |
72 | |
dc877563 |
73 | lttv_hooks_remove(before_event, write_event, NULL); |
48f6f3c2 |
74 | |
dc877563 |
75 | lttv_hooks_remove(before_trace, write_trace_header, NULL); |
76 | |
77 | lttv_hooks_remove(before_trace, write_traceset_header, NULL); |
48f6f3c2 |
78 | |
dc877563 |
79 | lttv_hooks_remove(before_trace, write_traceset_footer, NULL); |
48f6f3c2 |
80 | } |
81 | |
82 | |
dc877563 |
83 | /* Insert the hooks before and after each trace and tracefile, and for each |
84 | event. Print a global header. */ |
85 | |
86 | static FILE *a_file; |
48f6f3c2 |
87 | |
dc877563 |
88 | static GString *a_string; |
89 | |
90 | static static gboolean write_traceset_header(void *hook_data, void *call_data) |
48f6f3c2 |
91 | { |
dc877563 |
92 | LttvTracesetContext *tc = (LttvTracesetContext *)call_data; |
48f6f3c2 |
93 | |
dc877563 |
94 | if(a_file_name == NULL) a_file = stdout; |
95 | else a_file = fopen(a_file_name, "w"); |
48f6f3c2 |
96 | |
dc877563 |
97 | if(a_file == NULL) g_error("cannot open file %s", a_file_name); |
48f6f3c2 |
98 | |
dc877563 |
99 | /* Print the trace set header */ |
100 | fprintf(a_file,"Trace set contains %d traces\n\n", |
101 | lttv_traceset_number(tc->ta); |
48f6f3c2 |
102 | |
dc877563 |
103 | return FALSE; |
48f6f3c2 |
104 | } |
105 | |
106 | |
dc877563 |
107 | static static gboolean write_traceset_footer(void *hook_data, void *call_data) |
48f6f3c2 |
108 | { |
dc877563 |
109 | LttvTracesetContext *tc = (LttvTracesetContext *)call_data; |
48f6f3c2 |
110 | |
dc877563 |
111 | if(a_file_name != NULL) a_file = fclose(a_file); |
48f6f3c2 |
112 | |
dc877563 |
113 | fprintf(a_file,"End trace set\n\n"); |
48f6f3c2 |
114 | |
dc877563 |
115 | return FALSE; |
48f6f3c2 |
116 | } |
117 | |
118 | |
dc877563 |
119 | static gboolean write_trace_header(void *hook_data, void *call_data) |
48f6f3c2 |
120 | { |
dc877563 |
121 | LttvTraceContext *tc = (LttvTraceContext *)call_data; |
122 | |
123 | LttSystemDescription *system = ltt_trace_system_description(tc->t); |
48f6f3c2 |
124 | |
dc877563 |
125 | fprintf(a_file," Trace from %s in %s\n%s\n\n", system->node_name, |
126 | system->domain_name, system->description); |
127 | return FALSE; |
48f6f3c2 |
128 | } |
129 | |
130 | |
dc877563 |
131 | static int write_event_content(void *hook_data, void *call_data) |
48f6f3c2 |
132 | { |
dc877563 |
133 | LttvTracefileContext *tfc = (LttvTracefileContext *)call_data; |
48f6f3c2 |
134 | |
dc877563 |
135 | LttvTracefileState *tfs = (LttvTracefileState *)call_data; |
48f6f3c2 |
136 | |
dc877563 |
137 | LttEvent *e; |
48f6f3c2 |
138 | |
dc877563 |
139 | e = tfc->e; |
48f6f3c2 |
140 | |
dc877563 |
141 | lttv_event_to_string(e, tfc->tf, a_string, TRUE, a_field_names); |
142 | |
143 | if(a_state) { |
144 | g_string_append_printf(a_string, " %s", |
145 | g_quark_to_string(tfs->process->state->s); |
146 | } |
48f6f3c2 |
147 | |
48f6f3c2 |
148 | fputs(s, c->fd); |
dc877563 |
149 | return FALSE; |
48f6f3c2 |
150 | } |
151 | |
152 | |
dc877563 |
153 | void lttv_event_to_string(LttEvent *e, LttTracefile *tf, g_string *s, |
154 | gboolean mandatory_fields, gboolean field_names) |
48f6f3c2 |
155 | { |
dc877563 |
156 | LttFacility *facility; |
48f6f3c2 |
157 | |
dc877563 |
158 | LttEventType *event_type; |
48f6f3c2 |
159 | |
dc877563 |
160 | LttType *type; |
161 | |
162 | LttField *field; |
163 | |
164 | LttTime time; |
48f6f3c2 |
165 | |
166 | g_string_set_size(s,0); |
167 | |
168 | facility = lttv_event_facility(e); |
169 | eventtype = ltt_event_eventtype(e); |
170 | field = ltt_event_field(e); |
171 | |
172 | if(mandatory_fields) { |
173 | time = ltt_event_time(e); |
dc877563 |
174 | g_string_append_printf(s,"%s.%s: %ld.%ld (%s)",ltt_facility_name(facility), |
175 | ltt_eventtype_name(eventtype), (long)time.tv_sec, time.tv_nsec, |
176 | ltt_tracefile_name(tf)); |
48f6f3c2 |
177 | } |
178 | |
dc877563 |
179 | print_field(e,f,s, field_names); |
48f6f3c2 |
180 | } |
181 | |
dc877563 |
182 | |
183 | void print_field(LttEvent *e, LttField *f, g_string *s, gboolean field_names) { |
184 | |
185 | LttType *type; |
186 | |
187 | LttField *element; |
188 | |
189 | char *name; |
48f6f3c2 |
190 | |
191 | int nb, i; |
192 | |
193 | type = ltt_field_type(f); |
194 | switch(ltt_type_class(type)) { |
195 | case LTT_INT: |
196 | g_string_append_printf(s, " %ld", ltt_event_get_long_int(e,f)); |
197 | break; |
198 | |
199 | case LTT_UINT: |
200 | g_string_append_printf(s, " %lu", ltt_event_get_long_unsigned(e,f)); |
201 | break; |
202 | |
203 | case LTT_FLOAT: |
204 | g_string_append_printf(s, " %g", ltt_event_get_double(e,f)); |
205 | break; |
206 | |
207 | case LTT_STRING: |
208 | g_string_append_printf(s, " \"%s\"", ltt_event_get_string(e,f)); |
209 | break; |
210 | |
211 | case LTT_ENUM: |
212 | g_string_append_printf(s, " %s", ltt_enum_string_get(type, |
213 | event_get_unsigned(e,f)); |
214 | break; |
215 | |
216 | case LTT_ARRAY: |
217 | case LTT_SEQUENCE: |
218 | g_string_append_printf(s, " {"); |
219 | nb = ltt_event_field_element_number(e,f); |
220 | element = ltt_field_element(f); |
221 | for(i = 0 ; i < nb ; i++) { |
222 | ltt_event_field_element_select(e,f,i); |
223 | print_field(e,element,s); |
224 | } |
225 | g_string_append_printf(s, " }"); |
226 | break; |
227 | |
228 | case LTT_STRUCT: |
229 | g_string_append_printf(s, " {"); |
230 | nb = ltt_type_member_number(type); |
231 | for(i = 0 ; i < nb ; i++) { |
232 | element = ltt_field_member(f,i); |
dc877563 |
233 | if(name) { |
234 | ltt_type_member_type(type, &name); |
235 | g_string_append_printf(s, " %s = ", field_names); |
236 | } |
48f6f3c2 |
237 | print_field(e,element,s); |
238 | } |
239 | g_string_append_printf(s, " }"); |
240 | break; |
241 | } |
242 | } |
243 | |
244 | |
245 | |
246 | |