2 * Copyright (C) 2011-2012 Mathieu Bain <mathieu.bain@polymtl.ca>
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License Version 2 as
6 * published by the Free Software Foundation;
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
13 * You should have received a copy of the GNU General Public License along
14 * with this program; if not, write to the Free Software Foundation, Inc.,
15 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
20 #include <sys/types.h>
23 #include <babeltrace/babeltrace.h>
25 #include "lttngtoptypes.h"
27 #include "iostreamtop.h"
29 void add_file(struct processtop
*proc
, struct files
*file
, int fd
)
31 struct files
*tmp_file
;
32 struct processtop
*parent
;
36 size
= proc
->process_files_table
->len
;
37 parent
= proc
->threadparent
;
39 insert_file(parent
, fd
);
41 /* Add NULL file structures for undefined FDs */
42 for (i
= size
; i
< fd
; i
++) {
43 g_ptr_array_add(proc
->process_files_table
, NULL
);
45 g_ptr_array_add(proc
->process_files_table
, file
);
47 tmp_file
= g_ptr_array_index(proc
->process_files_table
, fd
);
49 g_ptr_array_index(proc
->process_files_table
, fd
) = file
;
51 if (!tmp_file
->name
||
52 strcmp(tmp_file
->name
, file
->name
) != 0) {
53 size
= proc
->process_files_table
->len
;
54 g_ptr_array_set_size(proc
->process_files_table
,
56 g_ptr_array_index(proc
->process_files_table
,
58 g_ptr_array_index(proc
->process_files_table
,
61 tmp_file
->flag
= __NR_open
;
65 * The file may have be created in the parent
67 if (file
->flag
== -1) {
69 file
->flag
= __NR_open
;
71 lttngtop
.nbnewfiles
++;
77 * Called by handled_statedump_filename
79 void edit_file(struct processtop
*proc
, struct files
*file
, int fd
)
81 int size
= proc
->process_files_table
->len
;
82 struct files
*tmpfile
;
85 add_file(proc
, file
, fd
);
87 tmpfile
= g_ptr_array_index(proc
->process_files_table
, fd
);
89 tmpfile
->name
= strdup(file
->name
);
92 add_file(proc
, file
, fd
);
96 void insert_file(struct processtop
*proc
, int fd
)
99 struct files
*tmp_parent
;
100 struct processtop
*parent
;
104 if (fd
>= proc
->process_files_table
->len
) {
105 tmp
= g_new0(struct files
, 1);
111 add_file(proc
, tmp
, fd
);
113 tmp
= g_ptr_array_index(proc
->process_files_table
, fd
);
115 tmp
= g_new0(struct files
, 1);
121 add_file(proc
, tmp
, fd
);
123 parent
= proc
->threadparent
;
125 tmp_parent
= g_ptr_array_index(
126 parent
->process_files_table
, fd
);
127 if (tmp_parent
&& tmp
->name
&& tmp_parent
->name
&&
128 (strcmp(tmp
->name
, tmp_parent
->name
)) != 0)
129 tmp
->name
= strdup(tmp_parent
->name
);
135 void close_file(struct processtop
*proc
, int fd
)
139 file
= get_file(proc
, fd
);
141 file
->flag
= __NR_close
;
150 lttngtop
.nbclosedfiles
++;
153 struct files
*get_file(struct processtop
*proc
, int fd
)
156 struct files
*tmp
= NULL
;
158 len
= proc
->process_files_table
->len
;
161 * It is possible that a file was open before taking the trace
162 * and its fd could be greater than all of the others fd
163 * used by the process
165 if (fd
< len
&& fd
>= 0)
166 tmp
= g_ptr_array_index(proc
->process_files_table
, fd
);
171 void show_table(GPtrArray
*tab
)
176 for (i
= 0 ; i
< tab
->len
; i
++) {
177 file
= g_ptr_array_index(tab
, i
);
179 fprintf(stderr
, "NULL, ");
181 fprintf(stderr
, "%s, ", file
->name
);
183 fprintf(stderr
, "]\n\n");
186 void show_history(struct file_history
*history
)
188 struct file_history
*tmp
= history
;
190 while (tmp
!= NULL
) {
191 fprintf(stderr
, "fd = %d, name = %s\n", tmp
->file
->fd
,
198 int update_iostream_ret(struct lttngtop
*ctx
, int tid
, char *comm
,
199 unsigned long timestamp
, uint64_t cpu_id
, int ret
,
202 struct processtop
*tmp
;
203 struct files
*tmpfile
;
206 tmp
= get_proc(ctx
, tid
, comm
, timestamp
, hostname
);
212 if (tmp
->syscall_info
!= NULL
) {
213 if (tmp
->syscall_info
->type
== __NR_read
215 tmp
->totalfileread
+= ret
;
216 tmp
->fileread
+= ret
;
217 tmpfile
= get_file(tmp
, tmp
->syscall_info
->fd
);
219 tmpfile
->read
+= ret
;
220 } else if (tmp
->syscall_info
->type
== __NR_write
222 tmp
->totalfilewrite
+= ret
;
223 tmp
->filewrite
+= ret
;
224 tmpfile
= get_file(tmp
, tmp
->syscall_info
->fd
);
226 tmpfile
->write
+= ret
;
227 } else if (tmp
->syscall_info
->type
== __NR_open
229 tmpfile
= tmp
->files_history
->file
;
230 add_file(tmp
, tmpfile
, ret
);
235 g_free(tmp
->syscall_info
);
236 tmp
->syscall_info
= NULL
;
243 struct syscalls
*create_syscall_info(unsigned int type
, uint64_t cpu_id
,
244 unsigned int tid
, int fd
)
246 struct syscalls
*syscall_info
;
248 syscall_info
= g_new0(struct syscalls
, 1);
249 syscall_info
->type
= type
;
250 syscall_info
->cpu_id
= cpu_id
;
251 syscall_info
->tid
= tid
;
252 syscall_info
->fd
= fd
;
257 struct file_history
*create_file(struct file_history
*history
, char *file_name
)
259 struct files
*new_file
;
260 struct file_history
*new_history
;
262 new_file
= g_new0(struct files
, 1);
263 new_history
= g_new0(struct file_history
, 1);
264 new_file
->name
= strdup(file_name
);
268 new_history
->file
= new_file
;
269 new_history
->next
= history
;
274 enum bt_cb_ret
handle_exit_syscall(struct bt_ctf_event
*call_data
,
277 const struct bt_definition
*scope
;
278 unsigned long timestamp
;
284 timestamp
= bt_ctf_get_timestamp(call_data
);
285 if (timestamp
== -1ULL)
288 comm
= get_context_comm(call_data
);
289 tid
= get_context_tid(call_data
);
291 scope
= bt_ctf_get_top_level_scope(call_data
,
293 ret
= bt_ctf_get_int64(bt_ctf_get_field(call_data
,
295 if (bt_ctf_field_get_error()) {
296 fprintf(stderr
, "Missing ret context info\n");
300 cpu_id
= get_cpu_id(call_data
);
301 hostname
= get_context_hostname(call_data
);
304 * if we encounter an exit_syscall and
305 * it is not for a syscall read or write
306 * we just abort the execution of this callback
308 if ((update_iostream_ret(<tngtop
, tid
, comm
, timestamp
, cpu_id
,
310 return BT_CB_ERROR_CONTINUE
;
315 return BT_CB_ERROR_STOP
;
319 enum bt_cb_ret
handle_sys_write(struct bt_ctf_event
*call_data
,
322 const struct bt_definition
*scope
;
323 struct processtop
*tmp
;
324 unsigned long timestamp
;
327 char *procname
, *hostname
;
330 timestamp
= bt_ctf_get_timestamp(call_data
);
331 if (timestamp
== -1ULL)
334 tid
= get_context_tid(call_data
);
335 cpu_id
= get_cpu_id(call_data
);
337 procname
= get_context_comm(call_data
);
338 hostname
= get_context_hostname(call_data
);
340 scope
= bt_ctf_get_top_level_scope(call_data
,
342 fd
= bt_ctf_get_uint64(bt_ctf_get_field(call_data
,
344 if (bt_ctf_field_get_error()) {
345 fprintf(stderr
, "Missing fd context info\n");
349 tmp
= get_proc(<tngtop
, tid
, procname
, timestamp
, hostname
);
353 tmp
->syscall_info
= create_syscall_info(__NR_write
, cpu_id
, tid
, fd
);
355 insert_file(tmp
, fd
);
361 return BT_CB_ERROR_STOP
;
364 enum bt_cb_ret
handle_sys_read(struct bt_ctf_event
*call_data
,
367 struct processtop
*tmp
;
368 const struct bt_definition
*scope
;
369 unsigned long timestamp
;
376 timestamp
= bt_ctf_get_timestamp(call_data
);
377 if (timestamp
== -1ULL)
380 tid
= get_context_tid(call_data
);
381 cpu_id
= get_cpu_id(call_data
);
383 procname
= get_context_comm(call_data
);
384 hostname
= get_context_hostname(call_data
);
386 scope
= bt_ctf_get_top_level_scope(call_data
,
388 fd
= bt_ctf_get_uint64(bt_ctf_get_field(call_data
,
390 if (bt_ctf_field_get_error()) {
391 fprintf(stderr
, "Missing fd context info\n");
395 tmp
= get_proc(<tngtop
, tid
, procname
, timestamp
, hostname
);
399 tmp
->syscall_info
= create_syscall_info(__NR_read
, cpu_id
, tid
, fd
);
401 insert_file(tmp
, fd
);
407 return BT_CB_ERROR_STOP
;
410 enum bt_cb_ret
handle_sys_open(struct bt_ctf_event
*call_data
,
414 struct processtop
*tmp
;
415 const struct bt_definition
*scope
;
416 unsigned long timestamp
;
419 char *procname
, *hostname
;
422 timestamp
= bt_ctf_get_timestamp(call_data
);
423 if (timestamp
== -1ULL)
426 tid
= get_context_tid(call_data
);
427 cpu_id
= get_cpu_id(call_data
);
429 procname
= get_context_comm(call_data
);
430 hostname
= get_context_hostname(call_data
);
432 scope
= bt_ctf_get_top_level_scope(call_data
,
434 file
= bt_ctf_get_string(bt_ctf_get_field(call_data
,
435 scope
, "_filename"));
436 if (bt_ctf_field_get_error()) {
437 fprintf(stderr
, "Missing file name context info\n");
441 tmp
= get_proc(<tngtop
, tid
, procname
, timestamp
, hostname
);
445 tmp
->syscall_info
= create_syscall_info(__NR_open
, cpu_id
, tid
, -1);
447 tmp
->files_history
= create_file(tmp
->files_history
, file
);
453 return BT_CB_ERROR_STOP
;
456 enum bt_cb_ret
handle_sys_socket(struct bt_ctf_event
*call_data
,
460 struct processtop
*tmp
;
461 unsigned long timestamp
;
464 char *procname
, *hostname
;
467 timestamp
= bt_ctf_get_timestamp(call_data
);
468 if (timestamp
== -1ULL)
471 tid
= get_context_tid(call_data
);
472 cpu_id
= get_cpu_id(call_data
);
474 procname
= get_context_comm(call_data
);
475 hostname
= get_context_hostname(call_data
);
477 file
= strdup("socket");
479 tmp
= get_proc(<tngtop
, tid
, procname
, timestamp
, hostname
);
483 tmp
->syscall_info
= create_syscall_info(__NR_open
, cpu_id
, tid
, -1);
485 tmp
->files_history
= create_file(tmp
->files_history
, file
);
491 return BT_CB_ERROR_STOP
;
494 enum bt_cb_ret
handle_sys_close(struct bt_ctf_event
*call_data
,
497 const struct bt_definition
*scope
;
498 struct processtop
*tmp
;
499 unsigned long timestamp
;
505 timestamp
= bt_ctf_get_timestamp(call_data
);
506 if (timestamp
== -1ULL)
509 tid
= get_context_tid(call_data
);
511 procname
= get_context_comm(call_data
);
512 hostname
= get_context_hostname(call_data
);
514 scope
= bt_ctf_get_top_level_scope(call_data
,
516 fd
= bt_ctf_get_uint64(bt_ctf_get_field(call_data
,
518 if (bt_ctf_field_get_error()) {
519 fprintf(stderr
, "Missing fd context info\n");
523 tmp
= get_proc(<tngtop
, tid
, procname
, timestamp
, hostname
);
533 return BT_CB_ERROR_STOP
;
536 enum bt_cb_ret
handle_statedump_file_descriptor(struct bt_ctf_event
*call_data
,
539 const struct bt_definition
*scope
;
540 struct processtop
*parent
;
542 unsigned long timestamp
;
544 char *file_name
, *hostname
;
547 timestamp
= bt_ctf_get_timestamp(call_data
);
548 if (timestamp
== -1ULL)
551 scope
= bt_ctf_get_top_level_scope(call_data
,
553 pid
= bt_ctf_get_int64(bt_ctf_get_field(call_data
,
555 if (bt_ctf_field_get_error()) {
556 fprintf(stderr
, "Missing tid context info\n");
560 scope
= bt_ctf_get_top_level_scope(call_data
,
562 fd
= bt_ctf_get_int64(bt_ctf_get_field(call_data
,
564 if (bt_ctf_field_get_error()) {
565 fprintf(stderr
, "Missing fd context info\n");
569 scope
= bt_ctf_get_top_level_scope(call_data
,
571 file_name
= bt_ctf_get_string(bt_ctf_get_field(call_data
,
572 scope
, "_filename"));
573 if (bt_ctf_field_get_error()) {
574 fprintf(stderr
, "Missing file name context info\n");
577 hostname
= get_context_hostname(call_data
);
579 parent
= get_proc_pid(<tngtop
, pid
, pid
, timestamp
, hostname
);
583 parent
->files_history
= create_file(parent
->files_history
, file_name
);
584 file
= parent
->files_history
->file
;
585 edit_file(parent
, file
, fd
);
591 return BT_CB_ERROR_STOP
;
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