1 /* This file is part of the Linux Trace Toolkit viewer
2 * Copyright (C) 2003-2004 Michel Dagenais
3 * 2005 Mathieu Desnoyers
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License Version 2 as
7 * published by the Free Software Foundation;
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
20 /* The text dump facility needs to print headers before the trace set and
21 before each trace, to print each event, and to print statistics
28 #include <lttv/lttv.h>
29 #include <lttv/option.h>
30 #include <lttv/module.h>
31 #include <lttv/hook.h>
32 #include <lttv/attribute.h>
33 #include <lttv/iattribute.h>
34 #include <lttv/stats.h>
35 #include <lttv/filter.h>
36 #include <lttv/print.h>
38 #include <ltt/event.h>
39 #include <ltt/trace.h>
47 *a_quark_file_name
= NULL
;
56 static guint a_event_count
= 0;
58 /* Insert the hooks before and after each trace and tracefile, and for each
59 event. Print a global header. */
63 static GString
*a_string
;
65 static gboolean
write_traceset_header(void *hook_data
, void *call_data
)
67 LttvTracesetContext
*tc
= (LttvTracesetContext
*)call_data
;
69 if(a_file_name
== NULL
) a_file
= stdout
;
70 else a_file
= fopen(a_file_name
, "w");
72 if(a_file
== NULL
) g_error("cannot open file %s", a_file_name
);
74 /* Print the trace set header */
76 /* TODO : Write a header that will check for ILP size and endianness */
77 //fputc(HDR_TRACESET, a_file);
78 g_assert(lttv_traceset_number(tc
->ts
) == 1); /* Only one trace in traceset */
80 fprintf(a_file
,"<TRACESET NUM_TRACES=%d/>\n",
81 lttv_traceset_number(tc
->ts
));
88 static gboolean
write_traceset_footer(void *hook_data
, void *call_data
)
96 fprintf(a_file
,"</TRACESET>\n");
99 if(a_file_name
!= NULL
) fclose(a_file
);
102 if(a_quark_file_name
== NULL
) {
103 if(a_file_name
== NULL
) a_file
= stdout
;
104 else a_file
= fopen(a_file_name
, "a");
106 if(a_quark_file_name
== NULL
) a_file
= stdout
;
107 else a_file
= fopen(a_quark_file_name
, "w");
110 if(a_file
== NULL
) g_error("cannot open file %s", a_quark_file_name
);
112 fputc(HDR_QUARKS
, a_file
);
115 string
= g_quark_to_string(q
);
116 if(string
== NULL
) break;
117 fputc(HDR_QUARK
, a_file
);
118 // increment. fwrite(&q, sizeof(GQuark), 1, a_file);
119 fwrite(string
, sizeof(char), strlen(string
)+1, a_file
);
123 if(a_quark_file_name
!= NULL
|| a_file_name
!= NULL
) fclose(a_file
);
131 static gboolean
write_trace_header(void *hook_data
, void *call_data
)
133 LttvTraceContext
*tc
= (LttvTraceContext
*)call_data
;
136 fputc(HDR_TRACE
, a_file
);
138 fprintf(a_file
,"<TRACE TRACE_NUMBER=%d/>\n",
145 static gboolean
write_trace_footer(void *hook_data
, void *call_data
)
151 fprintf(a_file
,"</TRACE>\n");
158 static int for_each_event(void *hook_data
, void *call_data
)
160 guint
*event_count
= (guint
*)hook_data
;
162 LttvTracefileContext
*tfc
= (LttvTracefileContext
*)call_data
;
164 LttvTracefileState
*tfs
= (LttvTracefileState
*)call_data
;
168 /* Only save at LTTV_STATE_SAVE_INTERVAL */
169 if(likely((*event_count
)++ < LTTV_STATE_SAVE_INTERVAL
))
174 LttvTraceState
*ts
= (LttvTraceState
*)tfc
->t_context
;
176 e
= ltt_tracefile_get_event(tfc
->tf
);
179 lttv_state_write_raw(ts
, tfs
->parent
.timestamp
, a_file
);
181 lttv_state_write(ts
, tfs
->parent
.timestamp
, a_file
);
190 LttvAttributeValue value
;
192 LttvIAttribute
*attributes
= LTTV_IATTRIBUTE(lttv_global_attributes());
195 g_info("Init precomputeState.c");
197 a_string
= g_string_new("");
200 lttv_option_add("output", 'o',
201 "output file where the saved states are to be written",
203 LTTV_OPT_STRING
, &a_file_name
, NULL
, NULL
);
205 a_quark_file_name
= NULL
;
206 lttv_option_add("qoutput", 'q',
207 "output file where the quarks (tuples integer, string) are to be written",
209 LTTV_OPT_STRING
, &a_quark_file_name
, NULL
, NULL
);
211 lttv_option_add("raw", 'r',
212 "Output in raw binary",
214 LTTV_OPT_NONE
, &a_raw
, NULL
, NULL
);
216 retval
= lttv_iattribute_find_by_path(attributes
, "hooks/event",
217 LTTV_POINTER
, &value
);
219 g_assert((event_hook
= *(value
.v_pointer
)) != NULL
);
220 lttv_hooks_add(event_hook
, for_each_event
, &a_event_count
, LTTV_PRIO_DEFAULT
);
222 retval
= lttv_iattribute_find_by_path(attributes
, "hooks/trace/before",
223 LTTV_POINTER
, &value
);
225 g_assert((before_trace
= *(value
.v_pointer
)) != NULL
);
226 lttv_hooks_add(before_trace
, write_trace_header
, NULL
, LTTV_PRIO_DEFAULT
);
228 retval
= lttv_iattribute_find_by_path(attributes
, "hooks/trace/after",
229 LTTV_POINTER
, &value
);
231 g_assert((after_trace
= *(value
.v_pointer
)) != NULL
);
232 lttv_hooks_add(after_trace
, write_trace_footer
, NULL
, LTTV_PRIO_DEFAULT
);
234 retval
= lttv_iattribute_find_by_path(attributes
, "hooks/traceset/before",
235 LTTV_POINTER
, &value
);
237 g_assert((before_traceset
= *(value
.v_pointer
)) != NULL
);
238 lttv_hooks_add(before_traceset
, write_traceset_header
, NULL
,
241 retval
= lttv_iattribute_find_by_path(attributes
, "hooks/traceset/after",
242 LTTV_POINTER
, &value
);
244 g_assert((after_traceset
= *(value
.v_pointer
)) != NULL
);
245 lttv_hooks_add(after_traceset
, write_traceset_footer
, NULL
,
249 static void destroy()
251 g_info("Destroy precomputeState");
253 lttv_option_remove("output");
255 lttv_option_remove("qoutput");
257 lttv_option_remove("raw");
259 g_string_free(a_string
, TRUE
);
261 lttv_hooks_remove_data(event_hook
, for_each_event
, NULL
);
263 lttv_hooks_remove_data(before_trace
, write_trace_header
, NULL
);
265 lttv_hooks_remove_data(before_trace
, write_traceset_header
, NULL
);
267 lttv_hooks_remove_data(before_trace
, write_traceset_footer
, NULL
);
271 LTTV_MODULE("precomputeState", "Precompute states", \
272 "Precompute states in a trace, XML or binary output.", \
273 init
, destroy
, "stats", "batchAnalysis", "option", "print")
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