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>
40 #include <ltt/trace.h>
41 #include <ltt/facility.h>
53 *a_quark_file_name
= NULL
;
62 static guint a_event_count
= 0;
64 /* Insert the hooks before and after each trace and tracefile, and for each
65 event. Print a global header. */
69 static GString
*a_string
;
71 static gboolean
write_traceset_header(void *hook_data
, void *call_data
)
73 LttvTracesetContext
*tc
= (LttvTracesetContext
*)call_data
;
75 if(a_file_name
== NULL
) a_file
= stdout
;
76 else a_file
= fopen(a_file_name
, "w");
78 if(a_file
== NULL
) g_error("cannot open file %s", a_file_name
);
80 /* Print the trace set header */
82 /* TODO : Write a header that will check for ILP size and endianness */
83 fputc(HDR_TRACESET
, a_file
);
85 fprintf(a_file
,"<TRACESET NUM_TRACES=%d/>\n",
86 lttv_traceset_number(tc
->ts
));
93 static gboolean
write_traceset_footer(void *hook_data
, void *call_data
)
95 LttvTracesetContext
*tc
= (LttvTracesetContext
*)call_data
;
102 fprintf(a_file
,"</TRACESET>\n");
105 if(a_file_name
!= NULL
) fclose(a_file
);
108 if(a_quark_file_name
== NULL
) {
109 if(a_file_name
== NULL
) a_file
= stdout
;
110 else a_file
= fopen(a_file_name
, "a");
112 if(a_quark_file_name
== NULL
) a_file
= stdout
;
113 else a_file
= fopen(a_quark_file_name
, "w");
116 if(a_file
== NULL
) g_error("cannot open file %s", a_quark_file_name
);
118 fputc(HDR_QUARKS
, a_file
);
121 string
= g_quark_to_string(q
);
122 if(string
== NULL
) break;
123 fputc(HDR_QUARK
, a_file
);
124 // increment. fwrite(&q, sizeof(GQuark), 1, a_file);
125 fwrite(string
, sizeof(char), strlen(string
)+1, a_file
);
129 if(a_quark_file_name
!= NULL
|| a_file_name
!= NULL
) fclose(a_file
);
137 static gboolean
write_trace_header(void *hook_data
, void *call_data
)
139 LttvTraceContext
*tc
= (LttvTraceContext
*)call_data
;
142 fputc(HDR_TRACE
, a_file
);
144 fprintf(a_file
,"<TRACE TRACE_NUMBER=%d/>\n",
151 static gboolean
write_trace_footer(void *hook_data
, void *call_data
)
153 LttvTraceContext
*tc
= (LttvTraceContext
*)call_data
;
158 fprintf(a_file
,"</TRACE>\n");
165 static int for_each_event(void *hook_data
, void *call_data
)
167 guint
*event_count
= (guint
*)hook_data
;
169 LttvIAttribute
*attributes
= LTTV_IATTRIBUTE(lttv_global_attributes());
171 LttvTracefileContext
*tfc
= (LttvTracefileContext
*)call_data
;
173 LttvTracefileState
*tfs
= (LttvTracefileState
*)call_data
;
177 LttvAttributeValue value_filter
;
179 /* Only save at LTTV_STATE_SAVE_INTERVAL */
180 if(likely((*event_count
)++ < LTTV_STATE_SAVE_INTERVAL
))
185 guint cpu
= tfs
->cpu
;
186 LttvTraceState
*ts
= (LttvTraceState
*)tfc
->t_context
;
187 LttvProcessState
*process
= ts
->running_process
[cpu
];
189 e
= ltt_tracefile_get_event(tfc
->tf
);
192 lttv_state_write_raw(ts
, tfs
->parent
.timestamp
, a_file
);
194 lttv_state_write(ts
, tfs
->parent
.timestamp
, a_file
);
203 LttvAttributeValue value
;
205 LttvIAttribute
*attributes
= LTTV_IATTRIBUTE(lttv_global_attributes());
207 g_info("Init precomputeState.c");
209 a_string
= g_string_new("");
212 lttv_option_add("output", 'o',
213 "output file where the saved states are to be written",
215 LTTV_OPT_STRING
, &a_file_name
, NULL
, NULL
);
217 a_quark_file_name
= NULL
;
218 lttv_option_add("qoutput", 'q',
219 "output file where the quarks (tuples integer, string) are to be written",
221 LTTV_OPT_STRING
, &a_quark_file_name
, NULL
, NULL
);
223 lttv_option_add("raw", 'r',
224 "Output in raw binary",
226 LTTV_OPT_NONE
, &a_raw
, NULL
, NULL
);
228 g_assert(lttv_iattribute_find_by_path(attributes
, "hooks/event",
229 LTTV_POINTER
, &value
));
230 g_assert((event_hook
= *(value
.v_pointer
)) != NULL
);
231 lttv_hooks_add(event_hook
, for_each_event
, &a_event_count
, LTTV_PRIO_DEFAULT
);
233 g_assert(lttv_iattribute_find_by_path(attributes
, "hooks/trace/before",
234 LTTV_POINTER
, &value
));
235 g_assert((before_trace
= *(value
.v_pointer
)) != NULL
);
236 lttv_hooks_add(before_trace
, write_trace_header
, NULL
, LTTV_PRIO_DEFAULT
);
238 g_assert(lttv_iattribute_find_by_path(attributes
, "hooks/trace/after",
239 LTTV_POINTER
, &value
));
240 g_assert((after_trace
= *(value
.v_pointer
)) != NULL
);
241 lttv_hooks_add(after_trace
, write_trace_footer
, NULL
, LTTV_PRIO_DEFAULT
);
243 g_assert(lttv_iattribute_find_by_path(attributes
, "hooks/traceset/before",
244 LTTV_POINTER
, &value
));
245 g_assert((before_traceset
= *(value
.v_pointer
)) != NULL
);
246 lttv_hooks_add(before_traceset
, write_traceset_header
, NULL
,
249 g_assert(lttv_iattribute_find_by_path(attributes
, "hooks/traceset/after",
250 LTTV_POINTER
, &value
));
251 g_assert((after_traceset
= *(value
.v_pointer
)) != NULL
);
252 lttv_hooks_add(after_traceset
, write_traceset_footer
, NULL
,
256 static void destroy()
258 g_info("Destroy precomputeState");
260 lttv_option_remove("output");
262 lttv_option_remove("qoutput");
264 lttv_option_remove("raw");
266 g_string_free(a_string
, TRUE
);
268 lttv_hooks_remove_data(event_hook
, for_each_event
, NULL
);
270 lttv_hooks_remove_data(before_trace
, write_trace_header
, NULL
);
272 lttv_hooks_remove_data(before_trace
, write_traceset_header
, NULL
);
274 lttv_hooks_remove_data(before_trace
, write_traceset_footer
, NULL
);
278 LTTV_MODULE("precomputeState", "Precompute states", \
279 "Precompute states in a trace, XML output.", \
280 init
, destroy
, "stats", "batchAnalysis", "option", "print")