12 #include "LinuxEvents.h"
14 #define TRACE_HEARTBEAT_ID 19
15 #define PROCESS_FORK_ID 20
16 #define PROCESS_EXIT_ID 21
19 #define OVERFLOW_FIGURE 0x100000000ULL
21 typedef struct _new_process
23 uint32_t event_data1
; /* Data associated with event */
25 } LTT_PACKED_STRUCT new_process
;
27 #define write_to_buffer(DEST, SRC, SIZE) \
30 memcpy(DEST, SRC, SIZE);\
34 int readFile(int fd
, void * buf
, size_t size
, char * mesg
)
36 ssize_t nbBytes
= read(fd
, buf
, size
);
38 if((size_t)nbBytes
!= size
) {
40 perror("Error in readFile : ");
49 void getDataEndianType(char * size
, char * endian
)
53 int sizeInt
=sizeof(int), sizeLong
=sizeof(long), sizePointer
=sizeof(void *);
55 if(c
== 1) strcpy(endian
,"LITTLE_ENDIAN");
56 else strcpy(endian
, "BIG_ENDIAN");
58 if(sizeInt
== 2 && sizeLong
== 4 && sizePointer
== 4)
60 else if(sizeInt
== 4 && sizeLong
== 4 && sizePointer
== 4)
62 else if(sizeInt
== 4 && sizeLong
== 8 && sizePointer
== 8)
64 else if(sizeInt
== 8 && sizeLong
== 8 && sizePointer
== 8)
66 else strcpy(size
,"UNKNOWN");
69 #define BUFFER_SIZE 80
71 typedef struct _buffer_start
{
76 } __attribute__ ((packed
)) buffer_start
;
78 typedef struct _buffer_end
{
83 } __attribute__ ((packed
)) buffer_end
;
86 typedef struct _heartbeat
{
90 } __attribute__ ((packed
)) heartbeat
;
93 int main(int argc
, char ** argv
){
97 int fdFac
, fdIntr
, fdProc
;
98 char arch_size
[BUFFER_SIZE
];
99 char endian
[BUFFER_SIZE
];
100 char node_name
[BUFFER_SIZE
];
101 char domainname
[BUFFER_SIZE
];
102 char kernel_name
[BUFFER_SIZE
];
103 char kernel_release
[BUFFER_SIZE
];
104 char kernel_version
[BUFFER_SIZE
];
105 char machine
[BUFFER_SIZE
];
106 char processor
[BUFFER_SIZE
];
107 char hardware_platform
[BUFFER_SIZE
];
108 char operating_system
[BUFFER_SIZE
];
110 int ltt_block_size
=0;
111 int ltt_major_version
=0;
112 int ltt_minor_version
=0;
114 guint ltt_trace_start_size
;
115 char buf
[BUFFER_SIZE
];
120 char foo
[4*BUFFER_SIZE
];
121 char foo_eventdefs
[4*BUFFER_SIZE
];
122 char foo_control
[4*BUFFER_SIZE
];
123 char foo_cpu
[4*BUFFER_SIZE
];
124 char foo_info
[4*BUFFER_SIZE
];
126 char foo_control_facilities
[4*BUFFER_SIZE
];
127 char foo_control_processes
[4*BUFFER_SIZE
];
128 char foo_control_interrupts
[4*BUFFER_SIZE
];
129 char foo_info_system
[4*BUFFER_SIZE
];
131 struct stat lTDFStat
;
133 int block_number
, block_size
;
134 char * buffer
, *buf_out
, cpuStr
[4*BUFFER_SIZE
];
135 char * buf_fac
, * buf_intr
, * buf_proc
;
136 void * write_pos
, *write_pos_fac
, * write_pos_intr
, *write_pos_proc
;
137 trace_start_any
*tStart
;
138 trace_buffer_start
*tBufStart
;
139 trace_buffer_end
*tBufEnd
;
140 trace_file_system
* tFileSys
;
141 uint16_t newId
, startId
, tmpId
;
143 uint32_t time_delta
, startTimeDelta
;
144 void * cur_pos
, *end_pos
;
145 buffer_start start
, start_proc
, start_intr
;
146 buffer_end end
, end_proc
, end_intr
;
148 uint64_t adaptation_tsc
; // (Mathieu)
150 int reserve_size
= sizeof(buffer_start
) +
151 sizeof(buffer_end
) + //buffer_end event
152 sizeof(uint32_t); //lost size
158 printf("Usage : ./convert processfile_name number_of_cpu tracefile1 tracefile2 ... trace_creation_directory\n");
159 printf("For more details, see README.\n");
164 printf("cpu number = %d\n", cpu
);
167 if(argc
!= nb_para
&& argc
!= nb_para
+1){
168 printf("need trace files and cpu number or root directory for the new tracefile\n");
174 strcpy(foo_eventdefs
, "foo/eventdefs");
175 strcpy(foo_control
, "foo/control");
176 strcpy(foo_cpu
, "foo/cpu");
177 strcpy(foo_info
, "foo/info");
179 strcpy(foo
, argv
[nb_para
]);
180 strcpy(foo_eventdefs
, argv
[nb_para
]);
181 strcat(foo_eventdefs
,"/eventdefs");
182 strcpy(foo_control
, argv
[nb_para
]);
183 strcat(foo_control
,"/control");
184 strcpy(foo_cpu
, argv
[nb_para
]);
185 strcat(foo_cpu
,"/cpu");
186 strcpy(foo_info
, argv
[nb_para
]);
187 strcat(foo_info
,"/info");
189 strcpy(foo_control_facilities
, foo_control
);
190 strcat(foo_control_facilities
,"/facilities");
191 strcpy(foo_control_processes
, foo_control
);
192 strcat(foo_control_processes
, "/processes");
193 strcpy(foo_control_interrupts
, foo_control
);
194 strcat(foo_control_interrupts
, "/interrupts");
195 strcpy(foo_info_system
, foo_info
);
196 strcat(foo_info_system
, "/system.xml");
199 getDataEndianType(arch_size
, endian
);
200 printf("Arch_size: %s, Endian: %s\n", arch_size
, endian
);
202 fp
= fopen("sysInfo.out","r");
204 g_error("Unable to open file sysInfo.out\n");
207 for(i
=0;i
<INFO_ENTRY
;i
++){
208 if(!fgets(buf
,BUFFER_SIZE
-1,fp
))
209 g_error("The format of sysInfo.out is not right\n");
210 if(strncmp(buf
,"node_name=",10)==0){
211 strcpy(node_name
,&buf
[10]);
212 node_name
[strlen(node_name
)-1] = '\0';
213 }else if(strncmp(buf
,"domainname=",11)==0){
214 strcpy(domainname
,&buf
[11]);
215 domainname
[strlen(domainname
)-1] = '\0';
216 }else if(strncmp(buf
,"kernel_name=",12)==0){
217 strcpy(kernel_name
,&buf
[12]);
218 kernel_name
[strlen(kernel_name
)-1] = '\0';
219 }else if(strncmp(buf
,"kernel_release=",15)==0){
220 strcpy(kernel_release
,&buf
[15]);
221 kernel_release
[strlen(kernel_release
)-1] = '\0';
222 }else if(strncmp(buf
,"kernel_version=",15)==0){
223 strcpy(kernel_version
,&buf
[15]);
224 kernel_version
[strlen(kernel_version
)-1] = '\0';
225 }else if(strncmp(buf
,"machine=",8)==0){
226 strcpy(machine
,&buf
[8]);
227 machine
[strlen(machine
)-1] = '\0';
228 }else if(strncmp(buf
,"processor=",10)==0){
229 strcpy(processor
,&buf
[10]);
230 processor
[strlen(processor
)-1] = '\0';
231 }else if(strncmp(buf
,"hardware_platform=",18)==0){
232 strcpy(hardware_platform
,&buf
[18]);
233 hardware_platform
[strlen(hardware_platform
)-1] = '\0';
234 }else if(strncmp(buf
,"operating_system=",17)==0){
235 strcpy(operating_system
,&buf
[17]);
236 operating_system
[strlen(operating_system
)-1] = '\0';
241 if(mkdir(foo
, S_IFDIR
| S_IRWXU
| S_IRGRP
| S_IROTH
))
242 g_error("can not make %s directory", foo
);
243 if(mkdir(foo_info
, S_IFDIR
| S_IRWXU
| S_IRGRP
| S_IROTH
))
244 g_error("can not make %s directory", foo_info
);
245 if(mkdir(foo_cpu
, S_IFDIR
| S_IRWXU
| S_IRGRP
| S_IROTH
))
246 g_error("can not make %s directory", foo_cpu
);
247 if(mkdir(foo_control
, S_IFDIR
| S_IRWXU
| S_IRGRP
| S_IROTH
))
248 g_error("can not make %s directory", foo_control
);
249 if(mkdir(foo_eventdefs
, S_IFDIR
| S_IRWXU
| S_IRGRP
| S_IROTH
))
250 g_error("can not make %s directory", foo_eventdefs
);
252 fp
= fopen(foo_info_system
,"w");
254 g_error("Unable to open file system.xml\n");
257 fdFac
= open(foo_control_facilities
,O_CREAT
| O_RDWR
| O_TRUNC
,S_IRUSR
|S_IWUSR
| S_IRGRP
| S_IROTH
);
259 g_error("Unable to open file facilities\n");
261 fdIntr
= open(foo_control_interrupts
,O_CREAT
| O_RDWR
| O_TRUNC
,S_IRUSR
|S_IWUSR
| S_IRGRP
| S_IROTH
);
263 g_error("Unable to open file interrupts\n");
265 fdProc
= open(foo_control_processes
,O_CREAT
| O_RDWR
| O_TRUNC
,S_IRUSR
|S_IWUSR
| S_IRGRP
| S_IROTH
);
267 g_error("Unable to open file process\n");
272 fd
= open(argv
[nb_para
-cpu
+k
], O_RDONLY
, 0);
274 g_error("Unable to open input data file %s\n", argv
[nb_para
-cpu
+k
]);
277 if(fstat(fd
, &lTDFStat
) < 0){
278 g_error("Unable to get the status of the input data file\n");
280 file_size
= lTDFStat
.st_size
;
282 buffer
= g_new(char, 4000);
283 readFile(fd
,(void*)buffer
, 3500, "Unable to read block header");
286 evId
= *(uint8_t *)cur_pos
;
287 cur_pos
+= sizeof(uint8_t);
289 time_delta
= *(uint32_t*)cur_pos
;
290 cur_pos
+= sizeof(uint32_t);
291 tBufStart
= (trace_buffer_start
*)cur_pos
;
292 cur_pos
+= sizeof(trace_buffer_start
);
293 cur_pos
+= sizeof(uint16_t); //Skip event size
295 evId
= *(uint8_t *)cur_pos
;
296 g_assert(evId
== TRACE_START
);
297 cur_pos
+= sizeof(uint8_t); //skip EvId
298 cur_pos
+= sizeof(uint32_t); //skip time delta
299 tStart
= (trace_start_any
*)cur_pos
;
300 if(tStart
->MagicNumber
!= TRACER_MAGIC_NUMBER
)
301 g_error("Trace magic number does not match : %lx, should be %lx",
302 tStart
->MagicNumber
, TRACER_MAGIC_NUMBER
);
303 if(tStart
->MajorVersion
!= TRACER_SUP_VERSION_MAJOR
)
304 g_error("Trace Major number does match : %hu, should be %u",
305 tStart
->MajorVersion
, TRACER_SUP_VERSION_MAJOR
);
308 startTimeDelta
= time_delta
;
309 start
.seconds
= tBufStart
->Time
.tv_sec
;
311 start
.nanoseconds
= tBufStart
->Time
.tv_usec
* 1000;
312 start
.cycle_count
= tBufStart
->TSC
;
313 start
.block_id
= tBufStart
->ID
;
314 end
.block_id
= start
.block_id
;
317 g_printf("Trace version %hu.%hu detected\n",
318 tStart
->MajorVersion
,
319 tStart
->MinorVersion
);
320 if(tStart
->MinorVersion
== 2) {
321 trace_start_2_2
* tStart_2_2
= (trace_start_2_2
*)tStart
;
322 ltt_major_version
= tStart_2_2
->MajorVersion
;
323 ltt_minor_version
= tStart_2_2
->MinorVersion
;
324 ltt_block_size
= tStart_2_2
->BufferSize
;
325 ltt_log_cpu
= tStart_2_2
->LogCPUID
;
326 ltt_trace_start_size
= sizeof(trace_start_2_2
);
327 } else if(tStart
->MinorVersion
== 3) {
328 trace_start_2_3
* tStart_2_3
= (trace_start_2_3
*)tStart
;
329 ltt_major_version
= tStart_2_3
->MajorVersion
;
330 ltt_minor_version
= tStart_2_3
->MinorVersion
;
331 ltt_block_size
= tStart_2_3
->BufferSize
;
332 ltt_log_cpu
= tStart_2_3
->LogCPUID
;
333 ltt_trace_start_size
= sizeof(trace_start_2_3
);
334 /* We do not use the flight recorder information for now, because we
335 * never use the .proc file anyway */
337 ltt_trace_start_size
= 0;
338 g_error("Minor version unknown : %hu. Supported minors : 2, 3",
339 tStart
->MinorVersion
);
342 block_size
= ltt_block_size
;//FIXME
343 block_number
= file_size
/ltt_block_size
;
346 buffer
= g_new(char, ltt_block_size
);
347 buf_fac
= g_new(char, block_size
);
348 write_pos_fac
= buf_fac
;
349 buf_intr
= g_new(char, block_size
);
350 write_pos_intr
= buf_intr
;
351 buf_proc
= g_new(char, block_size
);
352 write_pos_proc
= buf_proc
;
354 buf_out
= g_new(char, block_size
);
356 sprintf(cpuStr
,"%s/%d",foo_cpu
,k
);
357 fdCpu
= open(cpuStr
, O_CREAT
| O_RDWR
| O_TRUNC
,S_IRUSR
|S_IWUSR
| S_IRGRP
| S_IROTH
); //for cpu k
358 if(fdCpu
< 0) g_error("Unable to open cpu file %d\n", k
);
359 lseek(fd
,0,SEEK_SET
);
361 for(i
=0;i
<block_number
;i
++){
364 memset((void*)buf_out
, 0, block_size
);
366 memset((void*)buf_intr
, 0, block_size
);
367 memset((void*)buf_fac
, 0, block_size
);
368 memset((void*)buf_proc
, 0, block_size
);
369 write_pos_intr
= buf_intr
;
370 write_pos_fac
= buf_fac
;
371 write_pos_proc
= buf_proc
;
373 memset((void*)buffer
,0,ltt_block_size
);
374 readFile(fd
,(void*)buffer
, ltt_block_size
, "Unable to read block header");
377 evId
= *(uint8_t *)cur_pos
;
378 cur_pos
+= sizeof(uint8_t);
380 time_delta
= *(uint32_t*)cur_pos
;
381 cur_pos
+= sizeof(uint32_t);
382 tBufStart
= (trace_buffer_start
*)cur_pos
;
383 cur_pos
+= sizeof(trace_buffer_start
);
384 cur_pos
+= sizeof(uint16_t); //Skip event size
387 startTimeDelta
= time_delta
;
388 start
.seconds
= tBufStart
->Time
.tv_sec
;
389 /* usec -> nsec (Mathieu) */
390 start
.nanoseconds
= tBufStart
->Time
.tv_usec
* 1000;
391 start
.block_id
= tBufStart
->ID
;
392 end
.block_id
= start
.block_id
;
394 end_pos
= buffer
+ ltt_block_size
; //end of the buffer
395 size_lost
= *(uint32_t*)(end_pos
- sizeof(uint32_t));
397 end_pos
= buffer
+ ltt_block_size
- size_lost
; //buffer_end event
399 tBufEnd
= (trace_buffer_end
*)(end_pos
+ 2 * sizeof(uint8_t)+sizeof(uint32_t));
401 tBufEnd
= (trace_buffer_end
*)(end_pos
+sizeof(uint8_t)+sizeof(uint32_t));
403 end
.seconds
= tBufEnd
->Time
.tv_sec
;
404 /* usec -> nsec (Mathieu) */
405 end
.nanoseconds
= tBufEnd
->Time
.tv_usec
* 1000;
407 //end.cycle_count = tBufEnd->TSC;
409 //skip buffer start and trace start events
412 adaptation_tsc
= (uint64_t)tBufStart
->TSC
;
413 cur_pos
= buffer
+ sizeof(trace_buffer_start
)
414 + ltt_trace_start_size
416 + sizeof(uint16_t)+sizeof(uint32_t));
419 cur_pos
= buffer
+ sizeof(trace_buffer_start
)
421 + sizeof(uint16_t)+sizeof(uint32_t);
424 if(time_delta
< (0xFFFFFFFFULL
&adaptation_tsc
)) {
426 adaptation_tsc
= (adaptation_tsc
&0xFFFFFFFF00000000ULL
)
428 + (uint64_t)time_delta
;
431 adaptation_tsc
= (adaptation_tsc
&0xFFFFFFFF00000000ULL
) + time_delta
;
435 start
.cycle_count
= adaptation_tsc
;
437 //write start block event
438 write_to_buffer(write_pos
,(void*)&startId
, sizeof(uint16_t));
439 write_to_buffer(write_pos
,(void*)&startTimeDelta
, sizeof(uint32_t));
440 write_to_buffer(write_pos
,(void*)&start
, sizeof(buffer_start
));
442 //write start block event into processes and interrupts files
443 write_to_buffer(write_pos_intr
,(void*)&startId
, sizeof(uint16_t));
444 write_to_buffer(write_pos_intr
,(void*)&startTimeDelta
, sizeof(uint32_t));
446 start_intr
.nanoseconds
-= 20;
447 write_to_buffer(write_pos_intr
,(void*)&start_intr
, sizeof(buffer_start
));
449 write_to_buffer(write_pos_proc
,(void*)&startId
, sizeof(uint16_t));
450 write_to_buffer(write_pos_proc
,(void*)&startTimeDelta
, sizeof(uint32_t));
452 start_proc
.nanoseconds
-= 40;
453 write_to_buffer(write_pos_proc
,(void*)&start_proc
, sizeof(buffer_start
));
455 //parse *.proc file to get process and irq info
457 int lIntID
; /* Interrupt ID */
458 int lPID
, lPPID
; /* Process PID and Parent PID */
459 char lName
[256]; /* Process name */
464 fProc
= fopen(argv
[1],"r");
466 g_error("Unable to open file %s\n", argv
[1]);
469 while(fscanf(fProc
, "PID: %d; PPID: %d; NAME: %s\n", &lPID
, &lPPID
, lName
) > 0){
470 defaultId
= PROCESS_FORK_ID
;
471 process
.event_data1
= lPID
;
472 process
.event_data2
= lPPID
;
473 write_to_buffer(write_pos_proc
,(void*)&defaultId
, sizeof(uint16_t));
474 write_to_buffer(write_pos_proc
,(void*)&startTimeDelta
, sizeof(uint32_t));
475 write_to_buffer(write_pos_proc
,(void*)&process
, sizeof(new_process
));
478 while(fscanf(fProc
, "IRQ: %d; NAME: ", &lIntID
) > 0){
479 /* Read 'til the end of the line */
480 fgets(lName
, 200, fProc
);
482 defaultId
= TRACE_IRQ_ENTRY
;
485 write_to_buffer(write_pos_intr
,(void*)&defaultId
, sizeof(uint16_t));
486 write_to_buffer(write_pos_intr
,(void*)&startTimeDelta
, sizeof(uint32_t));
487 write_to_buffer(write_pos_intr
,(void*)&irq
, sizeof(trace_irq_entry
));
498 cpu_id
= *(uint8_t*)cur_pos
;
499 cur_pos
+= sizeof(uint8_t);
501 evId
= *(uint8_t *)cur_pos
;
503 if(evId
== TRACE_HEARTBEAT
) {
504 newId
= TRACE_HEARTBEAT_ID
;
506 cur_pos
+= sizeof(uint8_t);
507 time_delta
= *(uint32_t*)cur_pos
;
508 cur_pos
+= sizeof(uint32_t);
511 //write event_id and time_delta
512 write_to_buffer(write_pos
,(void*)&newId
,sizeof(uint16_t));
513 write_to_buffer(write_pos
,(void*)&time_delta
, sizeof(uint32_t));
516 if(time_delta
< (0xFFFFFFFFULL
&adaptation_tsc
)) {
518 adaptation_tsc
= (adaptation_tsc
&0xFFFFFFFF00000000ULL
) + 0x100000000ULL
519 + (uint64_t)time_delta
;
522 adaptation_tsc
= (adaptation_tsc
&0xFFFFFFFF00000000ULL
) + time_delta
;
526 if(evId
== TRACE_BUFFER_END
){
529 if(time_delta
< (0xFFFFFFFFULL
&adaptation_tsc
)) {
531 adaptation_tsc
= (adaptation_tsc
&0xFFFFFFFF00000000ULL
) + 0x100000000ULL
532 + (uint64_t)time_delta
;
535 adaptation_tsc
= (adaptation_tsc
&0xFFFFFFFF00000000ULL
) + time_delta
;
538 end
.cycle_count
= adaptation_tsc
;
539 int size
= (void*)buf_out
+ block_size
- write_pos
540 - sizeof(buffer_end
) - sizeof(uint32_t);
543 //int size = (void*)buf_out + block_size - write_pos
544 // + sizeof(uint16_t) + sizeof(uint32_t);
545 g_assert((void*)write_pos
< (void*)buf_out
+ block_size
);
546 write_to_buffer(write_pos
,(void*)&end
,sizeof(buffer_end
));
547 write_pos
= buf_out
+ block_size
- sizeof(uint32_t);
548 write_to_buffer(write_pos
,(void*)&size
, sizeof(uint32_t));
549 write(fdCpu
,(void*)buf_out
, block_size
);
551 //write out processes and intrrupts files
553 int size_intr
= block_size
+ (void*)buf_intr
- write_pos_intr
554 - sizeof(buffer_end
) - sizeof(uint32_t);
555 int size_proc
= block_size
+ (void*)buf_proc
- write_pos_proc
556 - sizeof(buffer_end
) - sizeof(uint32_t);
557 //int size_intr = block_size - (write_pos_intr - (void*)buf_intr);
558 //int size_proc = block_size - (write_pos_proc - (void*)buf_proc);
559 write_to_buffer(write_pos_intr
,(void*)&newId
,sizeof(uint16_t));
560 write_to_buffer(write_pos_intr
,(void*)&time_delta
, sizeof(uint32_t));
562 end_intr
.nanoseconds
-= 20;
563 write_to_buffer(write_pos_intr
,(void*)&end_intr
,sizeof(buffer_start
));
565 write_to_buffer(write_pos_proc
,(void*)&newId
,sizeof(uint16_t));
566 write_to_buffer(write_pos_proc
,(void*)&time_delta
, sizeof(uint32_t));
568 end_proc
.nanoseconds
-= 40;
569 write_to_buffer(write_pos_proc
,(void*)&end_proc
,sizeof(buffer_start
));
571 write_pos_intr
= buf_intr
+ block_size
- sizeof(uint32_t);
572 write_pos_proc
= buf_proc
+ block_size
- sizeof(uint32_t);
573 write_to_buffer(write_pos_intr
,(void*)&size_intr
, sizeof(uint32_t));
574 write_to_buffer(write_pos_proc
,(void*)&size_proc
, sizeof(uint32_t));
575 //for now don't output processes and interrupt information
576 // write(fdIntr,(void*)buf_intr,block_size);
577 // write(fdProc,(void*)buf_proc,block_size);
584 case TRACE_SYSCALL_ENTRY
:
585 event_size
= sizeof(trace_syscall_entry
);
587 case TRACE_SYSCALL_EXIT
:
590 case TRACE_TRAP_ENTRY
:
591 event_size
= sizeof(trace_trap_entry
);
593 case TRACE_TRAP_EXIT
:
596 case TRACE_IRQ_ENTRY
:
597 event_size
= sizeof(trace_irq_entry
);
598 timeDelta
= time_delta
;
599 write_to_buffer(write_pos_intr
,(void*)&newId
, sizeof(uint16_t));
600 write_to_buffer(write_pos_intr
,(void*)&timeDelta
, sizeof(uint32_t));
601 write_to_buffer(write_pos_intr
,cur_pos
, event_size
);
605 timeDelta
= time_delta
;
606 write_to_buffer(write_pos_intr
,(void*)&newId
, sizeof(uint16_t));
607 write_to_buffer(write_pos_intr
,(void*)&timeDelta
, sizeof(uint32_t));
609 case TRACE_SCHEDCHANGE
:
610 event_size
= sizeof(trace_schedchange
);
612 case TRACE_KERNEL_TIMER
:
616 event_size
= sizeof(trace_soft_irq
);
617 // timeDelta = time_delta;
618 // write_to_buffer(write_pos_intr,(void*)&newId, sizeof(uint16_t));
619 // write_to_buffer(write_pos_intr,(void*)&timeDelta, sizeof(uint32_t));
620 // write_to_buffer(write_pos_intr,cur_pos, event_size);
623 event_size
= sizeof(trace_process
);
624 timeDelta
= time_delta
;
625 subId
= *(uint8_t*)cur_pos
;
626 if(subId
== TRACE_PROCESS_FORK
|| subId
==TRACE_PROCESS_EXIT
){
627 if( subId
== TRACE_PROCESS_FORK
)tmpId
= PROCESS_FORK_ID
;
628 else tmpId
= PROCESS_EXIT_ID
;
629 write_to_buffer(write_pos_proc
,(void*)&tmpId
, sizeof(uint16_t));
630 write_to_buffer(write_pos_proc
,(void*)&timeDelta
, sizeof(uint32_t));
632 process
= *(new_process
*)(cur_pos
+ sizeof(uint8_t));
633 write_to_buffer(write_pos_proc
,(void*)&process
, sizeof(new_process
));
636 case TRACE_FILE_SYSTEM
:
637 event_size
= sizeof(trace_file_system
)- sizeof(char*);
640 event_size
= sizeof(trace_timer
);
643 event_size
= sizeof(trace_memory
);
646 event_size
= sizeof(trace_socket
);
649 event_size
= sizeof(trace_ipc
);
652 event_size
= sizeof(trace_network
);
654 case TRACE_HEARTBEAT
:
656 beat
.nanoseconds
= 0;
657 beat
.cycle_count
= adaptation_tsc
;
660 write_to_buffer(write_pos_intr
,(void*)&newId
, sizeof(uint16_t));
661 write_to_buffer(write_pos_intr
,(void*)&time_delta
, sizeof(uint32_t));
662 write_to_buffer(write_pos_intr
,(void*)&beat
, sizeof(heartbeat
));
663 write_to_buffer(write_pos_proc
,(void*)&newId
, sizeof(uint16_t));
664 write_to_buffer(write_pos_proc
,(void*)&time_delta
, sizeof(uint32_t));
665 write_to_buffer(write_pos_proc
,(void*)&beat
, sizeof(heartbeat
));
671 if(evId
!= TRACE_FILE_SYSTEM
&& event_size
>=0){
672 write_to_buffer(write_pos
, cur_pos
, event_size
);
674 if(evId
== TRACE_HEARTBEAT
){
675 write_to_buffer(write_pos
, (void*)&beat
, sizeof(heartbeat
));
678 cur_pos
+= event_size
+ sizeof(uint16_t); //skip data_size
679 }else if(evId
== TRACE_FILE_SYSTEM
){
682 tFileSys
= (trace_file_system
*)cur_pos
;
683 subId
= tFileSys
->event_sub_id
;
684 if(subId
== TRACE_FILE_SYSTEM_OPEN
|| subId
== TRACE_FILE_SYSTEM_EXEC
){
685 nbBytes
= tFileSys
->event_data2
+1;
688 write_to_buffer(write_pos
, cur_pos
, event_size
);
689 cur_pos
+= event_size
+ sizeof(char*);
691 write_to_buffer(write_pos
, cur_pos
, nbBytes
);
693 write_to_buffer(write_pos
, (void*)&c
, 1);
695 cur_pos
+= nbBytes
+ sizeof(uint16_t); //skip data_size
696 }else if(event_size
== -1){
697 printf("Unknown event: evId=%d, i=%d, event_count=%d\n", newId
, i
, event_count
);
716 //write to system.xml
717 fprintf(fp
,"<system \n");
718 fprintf(fp
,"node_name=\"%s\" \n", node_name
);
719 fprintf(fp
,"domainname=\"%s\" \n", domainname
);
720 fprintf(fp
,"cpu=\"%d\" \n", cpu
);
721 fprintf(fp
,"arch_size=\"%s\" \n", arch_size
);
722 fprintf(fp
,"endian=\"%s\" \n",endian
);
723 fprintf(fp
,"kernel_name=\"%s\" \n",kernel_name
);
724 fprintf(fp
,"kernel_release=\"%s\" \n",kernel_release
);
725 fprintf(fp
,"kernel_version=\"%s\" \n",kernel_version
);
726 fprintf(fp
,"machine=\"%s\" \n",machine
);
727 fprintf(fp
,"processor=\"%s\" \n",processor
);
728 fprintf(fp
,"hardware_platform=\"%s\" \n",hardware_platform
);
729 fprintf(fp
,"operating_system=\"%s\" \n",operating_system
);
730 fprintf(fp
,"ltt_major_version=\"%d\" \n",ltt_major_version
);
731 fprintf(fp
,"ltt_minor_version=\"%d\" \n",ltt_minor_version
);
732 fprintf(fp
,"ltt_block_size=\"%d\" \n",ltt_block_size
);
734 fprintf(fp
,"This is just a test\n");
735 fprintf(fp
,"</system>\n");