5 #include <linux/errno.h>
9 #include "LinuxEvents.h"
11 #define TRACE_HEARTBEAT_ID 19
12 #define PROCESS_FORK_ID 20
13 #define PROCESS_EXIT_ID 21
16 #define OVERFLOW_FIGURE 4294967296
18 typedef struct _new_process
20 uint32_t event_data1
; /* Data associated with event */
22 } LTT_PACKED_STRUCT new_process
;
24 #define write_to_buffer(DEST, SRC, SIZE) \
27 memcpy(DEST, SRC, SIZE);\
31 int readFile(int fd
, void * buf
, size_t size
, char * mesg
)
34 nbBytes
= read(fd
, buf
, size
);
42 void getDataEndianType(char * size
, char * endian
)
46 int sizeInt
=sizeof(int), sizeLong
=sizeof(long), sizePointer
=sizeof(void *);
48 if(c
== 1) strcpy(endian
,"LITTLE_ENDIAN");
49 else strcpy(endian
, "BIG_ENDIAN");
51 if(sizeInt
== 2 && sizeLong
== 4 && sizePointer
== 4)
53 else if(sizeInt
== 4 && sizeLong
== 4 && sizePointer
== 4)
55 else if(sizeInt
== 4 && sizeLong
== 8 && sizePointer
== 8)
57 else if(sizeInt
== 8 && sizeLong
== 8 && sizePointer
== 8)
59 else strcpy(size
,"UNKNOWN");
62 #define BUFFER_SIZE 80
64 typedef struct _buffer_start
{
69 } __attribute__ ((packed
)) buffer_start
;
71 typedef struct _heartbeat
{
75 } __attribute__ ((packed
)) heartbeat
;
78 int main(int argc
, char ** argv
){
82 int fdFac
, fdIntr
, fdProc
;
83 char arch_size
[BUFFER_SIZE
];
84 char endian
[BUFFER_SIZE
];
85 char node_name
[BUFFER_SIZE
];
86 char domainname
[BUFFER_SIZE
];
87 char kernel_name
[BUFFER_SIZE
];
88 char kernel_release
[BUFFER_SIZE
];
89 char kernel_version
[BUFFER_SIZE
];
90 char machine
[BUFFER_SIZE
];
91 char processor
[BUFFER_SIZE
];
92 char hardware_platform
[BUFFER_SIZE
];
93 char operating_system
[BUFFER_SIZE
];
96 int ltt_major_version
;
97 int ltt_minor_version
;
99 char buf
[BUFFER_SIZE
];
104 char foo
[4*BUFFER_SIZE
];
105 char foo_eventdefs
[4*BUFFER_SIZE
];
106 char foo_control
[4*BUFFER_SIZE
];
107 char foo_cpu
[4*BUFFER_SIZE
];
108 char foo_info
[4*BUFFER_SIZE
];
110 char foo_control_facilities
[4*BUFFER_SIZE
];
111 char foo_control_processes
[4*BUFFER_SIZE
];
112 char foo_control_interrupts
[4*BUFFER_SIZE
];
113 char foo_info_system
[4*BUFFER_SIZE
];
115 struct stat lTDFStat
;
117 int block_number
, block_size
;
118 char * buffer
, **buf_out
, cpuStr
[4*BUFFER_SIZE
];
119 char * buf_fac
, * buf_intr
, * buf_proc
;
120 void ** write_pos
, *write_pos_fac
, * write_pos_intr
, *write_pos_proc
;
122 trace_buffer_start
*tBufStart
;
123 trace_buffer_end
*tBufEnd
;
124 trace_file_system
* tFileSys
;
125 uint16_t newId
, startId
, tmpId
;
127 uint32_t time_delta
, startTimeDelta
, previous_time_delta
;
128 void * cur_pos
, *end_pos
;
129 buffer_start start
, start_proc
, start_intr
;
130 buffer_start end
, end_proc
, end_intr
;
133 gboolean
* has_event
;
135 int reserve_size
= sizeof(buffer_start
) + sizeof(uint16_t) + 2*sizeof(uint32_t);//lost_size and buffer_end event
139 if(argc
!= 4 && argc
!= 5){
140 printf("need a trace file and cpu number or root directory for the new tracefile\n");
146 strcpy(foo_eventdefs
, "foo/eventdefs");
147 strcpy(foo_control
, "foo/control");
148 strcpy(foo_cpu
, "foo/cpu");
149 strcpy(foo_info
, "foo/info");
151 strcpy(foo
, argv
[4]);
152 strcpy(foo_eventdefs
, argv
[4]);
153 strcat(foo_eventdefs
,"/eventdefs");
154 strcpy(foo_control
, argv
[4]);
155 strcat(foo_control
,"/control");
156 strcpy(foo_cpu
, argv
[4]);
157 strcat(foo_cpu
,"/cpu");
158 strcpy(foo_info
, argv
[4]);
159 strcat(foo_info
,"/info");
161 strcpy(foo_control_facilities
, foo_control
);
162 strcat(foo_control_facilities
,"/facilities");
163 strcpy(foo_control_processes
, foo_control
);
164 strcat(foo_control_processes
, "/processes");
165 strcpy(foo_control_interrupts
, foo_control
);
166 strcat(foo_control_interrupts
, "/interrupts");
167 strcpy(foo_info_system
, foo_info
);
168 strcat(foo_info_system
, "/system.xml");
171 printf("cpu number = %d\n", cpu
);
174 getDataEndianType(arch_size
, endian
);
175 printf("Arch_size: %s, Endian: %s\n", arch_size
, endian
);
177 fp
= fopen("sysInfo.out","r");
179 g_error("Unable to open file sysInfo.out\n");
182 for(i
=0;i
<INFO_ENTRY
;i
++){
183 if(!fgets(buf
,BUFFER_SIZE
-1,fp
))
184 g_error("The format of sysInfo.out is not right\n");
185 if(strncmp(buf
,"node_name=",10)==0){
186 strcpy(node_name
,&buf
[10]);
187 node_name
[strlen(node_name
)-1] = '\0';
188 }else if(strncmp(buf
,"domainname=",11)==0){
189 strcpy(domainname
,&buf
[11]);
190 domainname
[strlen(domainname
)-1] = '\0';
191 }else if(strncmp(buf
,"kernel_name=",12)==0){
192 strcpy(kernel_name
,&buf
[12]);
193 kernel_name
[strlen(kernel_name
)-1] = '\0';
194 }else if(strncmp(buf
,"kernel_release=",15)==0){
195 strcpy(kernel_release
,&buf
[15]);
196 kernel_release
[strlen(kernel_release
)-1] = '\0';
197 }else if(strncmp(buf
,"kernel_version=",15)==0){
198 strcpy(kernel_version
,&buf
[15]);
199 kernel_version
[strlen(kernel_version
)-1] = '\0';
200 }else if(strncmp(buf
,"machine=",8)==0){
201 strcpy(machine
,&buf
[8]);
202 machine
[strlen(machine
)-1] = '\0';
203 }else if(strncmp(buf
,"processor=",10)==0){
204 strcpy(processor
,&buf
[10]);
205 processor
[strlen(processor
)-1] = '\0';
206 }else if(strncmp(buf
,"hardware_platform=",18)==0){
207 strcpy(hardware_platform
,&buf
[18]);
208 hardware_platform
[strlen(hardware_platform
)-1] = '\0';
209 }else if(strncmp(buf
,"operating_system=",17)==0){
210 strcpy(operating_system
,&buf
[17]);
211 operating_system
[strlen(operating_system
)-1] = '\0';
216 if(mkdir(foo
, S_IFDIR
| S_IRWXU
| S_IRGRP
| S_IROTH
))
217 g_error("can not make %s directory", foo
);
218 if(mkdir(foo_info
, S_IFDIR
| S_IRWXU
| S_IRGRP
| S_IROTH
))
219 g_error("can not make %s directory", foo_info
);
220 if(mkdir(foo_cpu
, S_IFDIR
| S_IRWXU
| S_IRGRP
| S_IROTH
))
221 g_error("can not make %s directory", foo_cpu
);
222 if(mkdir(foo_control
, S_IFDIR
| S_IRWXU
| S_IRGRP
| S_IROTH
))
223 g_error("can not make %s directory", foo_control
);
224 if(mkdir(foo_eventdefs
, S_IFDIR
| S_IRWXU
| S_IRGRP
| S_IROTH
))
225 g_error("can not make %s directory", foo_eventdefs
);
227 fp
= fopen(foo_info_system
,"w");
229 g_error("Unable to open file system.xml\n");
232 fd
= open(argv
[1], O_RDONLY
, 0);
234 g_error("Unable to open input data file %s\n", argv
[1]);
237 fdFac
= open(foo_control_facilities
,O_CREAT
| O_RDWR
| O_TRUNC
,S_IRUSR
|S_IWUSR
| S_IRGRP
| S_IROTH
);
239 g_error("Unable to open file facilities\n");
241 fdIntr
= open(foo_control_interrupts
,O_CREAT
| O_RDWR
| O_TRUNC
,S_IRUSR
|S_IWUSR
| S_IRGRP
| S_IROTH
);
243 g_error("Unable to open file interrupts\n");
245 fdProc
= open(foo_control_processes
,O_CREAT
| O_RDWR
| O_TRUNC
,S_IRUSR
|S_IWUSR
| S_IRGRP
| S_IROTH
);
247 g_error("Unable to open file process\n");
252 if(fstat(fd
, &lTDFStat
) < 0){
253 g_error("Unable to get the status of the input data file\n");
255 file_size
= lTDFStat
.st_size
;
257 buffer
= g_new(char, 4000);
258 readFile(fd
,(void*)buffer
, 3500, "Unable to read block header");
261 evId
= *(uint8_t *)cur_pos
;
262 cur_pos
+= sizeof(uint8_t);
264 time_delta
= *(uint32_t*)cur_pos
;
265 cur_pos
+= sizeof(uint32_t);
266 tBufStart
= (trace_buffer_start
*)cur_pos
;
267 cur_pos
+= sizeof(trace_buffer_start
);
268 cur_pos
+= sizeof(uint16_t); //Skip event size
270 evId
= *(uint8_t *)cur_pos
;
271 cur_pos
+= sizeof(uint8_t);
272 cur_pos
+= sizeof(uint32_t);
273 tStart
= (trace_start
*)cur_pos
;
276 startTimeDelta
= time_delta
;
277 start
.seconds
= tBufStart
->Time
.tv_sec
;
278 start
.nanoseconds
= tBufStart
->Time
.tv_usec
;
279 start
.cycle_count
= tBufStart
->TSC
;
280 start
.block_id
= tBufStart
->ID
;
281 end
.block_id
= start
.block_id
;
283 ltt_major_version
= tStart
->MajorVersion
;
284 ltt_minor_version
= tStart
->MinorVersion
;
285 ltt_block_size
= tStart
->BufferSize
;
286 ltt_log_cpu
= tStart
->LogCPUID
;
288 block_size
= ltt_block_size
;
289 block_number
= file_size
/block_size
;
292 buffer
= g_new(char, block_size
);
293 buf_fac
= g_new(char, block_size
);
294 write_pos_fac
= buf_fac
;
295 buf_intr
= g_new(char, block_size
);
296 write_pos_intr
= buf_intr
;
297 buf_proc
= g_new(char, block_size
);
298 write_pos_proc
= buf_proc
;
300 buf_out
= g_new(char*,cpu
);
301 write_pos
= g_new(void*, cpu
);
302 fdCpu
= g_new(int, cpu
);
303 has_event
= g_new(gboolean
, cpu
);
305 has_event
[i
] = FALSE
;
306 if(i
==0)has_event
[i
] = TRUE
;
307 buf_out
[i
] = g_new(char, block_size
);
308 write_pos
[i
] = NULL
;;
309 sprintf(cpuStr
,"%s/%d\0",foo_cpu
,i
);
310 fdCpu
[i
] = open(cpuStr
, O_CREAT
| O_RDWR
| O_TRUNC
,S_IRUSR
|S_IWUSR
| S_IRGRP
| S_IROTH
); //for cpu i
311 if(fdCpu
[i
] < 0) g_error("Unable to open cpu file %d\n", i
);
313 lseek(fd
,0,SEEK_SET
);
316 for(i
=0;i
<block_number
;i
++){
320 for(j
=1;j
<cpu
;j
++)has_event
[j
] = FALSE
;
322 memset((void*)buf_out
[j
], 0, block_size
);
323 write_pos
[j
] = buf_out
[j
];
325 memset((void*)buf_intr
, 0, block_size
);
326 memset((void*)buf_fac
, 0, block_size
);
327 memset((void*)buf_proc
, 0, block_size
);
328 write_pos_intr
= buf_intr
;
329 write_pos_fac
= buf_fac
;
330 write_pos_proc
= buf_proc
;
332 memset((void*)buffer
,0,block_size
);
333 readFile(fd
,(void*)buffer
, block_size
, "Unable to read block header");
336 evId
= *(uint8_t *)cur_pos
;
337 cur_pos
+= sizeof(uint8_t);
339 time_delta
= *(uint32_t*)cur_pos
;
340 cur_pos
+= sizeof(uint32_t);
341 tBufStart
= (trace_buffer_start
*)cur_pos
;
342 cur_pos
+= sizeof(trace_buffer_start
);
343 cur_pos
+= sizeof(uint16_t); //Skip event size
346 startTimeDelta
= time_delta
;
347 previous_time_delta
= time_delta
;
348 start
.seconds
= tBufStart
->Time
.tv_sec
;
349 start
.nanoseconds
= tBufStart
->Time
.tv_usec
;
350 start
.cycle_count
= tBufStart
->TSC
;
351 start
.block_id
= tBufStart
->ID
;
352 end
.block_id
= start
.block_id
;
354 end_pos
= buffer
+ block_size
; //end of the buffer
355 size_lost
= *(uint32_t*)(end_pos
- sizeof(uint32_t));
357 end_pos
= buffer
+ block_size
- size_lost
; //buffer_end event
359 tBufEnd
= (trace_buffer_end
*)(end_pos
+ 2 * sizeof(uint8_t)+sizeof(uint32_t));
361 tBufEnd
= (trace_buffer_end
*)(end_pos
+sizeof(uint8_t)+sizeof(uint32_t));
363 end
.seconds
= tBufEnd
->Time
.tv_sec
;
364 end
.nanoseconds
= tBufEnd
->Time
.tv_usec
;
365 end
.cycle_count
= tBufEnd
->TSC
;
367 //skip buffer start and trace start events
368 if(i
==0) //the first block
369 cur_pos
= buffer
+ sizeof(trace_buffer_start
) + sizeof(trace_start
) + 2*(sizeof(uint8_t)+sizeof(uint16_t)+sizeof(uint32_t));
371 cur_pos
= buffer
+ sizeof(trace_buffer_start
) + sizeof(uint8_t)+sizeof(uint16_t)+sizeof(uint32_t);
373 //for cpu 0, always make records
374 write_to_buffer(write_pos
[0],(void*)&startId
, sizeof(uint16_t));
375 write_to_buffer(write_pos
[0],(void*)&startTimeDelta
, sizeof(uint32_t));
376 write_to_buffer(write_pos
[0],(void*)&start
, sizeof(buffer_start
));
378 //write start block event into processes and interrupts files
379 write_to_buffer(write_pos_intr
,(void*)&startId
, sizeof(uint16_t));
380 write_to_buffer(write_pos_intr
,(void*)&startTimeDelta
, sizeof(uint32_t));
382 start_intr
.nanoseconds
-= 20;
383 write_to_buffer(write_pos_intr
,(void*)&start_intr
, sizeof(buffer_start
));
385 write_to_buffer(write_pos_proc
,(void*)&startId
, sizeof(uint16_t));
386 write_to_buffer(write_pos_proc
,(void*)&startTimeDelta
, sizeof(uint32_t));
388 start_proc
.nanoseconds
-= 40;
389 write_to_buffer(write_pos_proc
,(void*)&start_proc
, sizeof(buffer_start
));
391 //parse *.proc file to get process and irq info
393 int lIntID
; /* Interrupt ID */
394 int lPID
, lPPID
; /* Process PID and Parent PID */
395 char lName
[256]; /* Process name */
400 fProc
= fopen(argv
[2],"r");
402 g_error("Unable to open file %s\n", argv
[2]);
405 while(fscanf(fProc
, "PID: %d; PPID: %d; NAME: %s\n", &lPID
, &lPPID
, lName
) > 0){
406 defaultId
= PROCESS_FORK_ID
;
407 process
.event_data1
= lPID
;
408 process
.event_data2
= lPPID
;
409 write_to_buffer(write_pos_proc
,(void*)&defaultId
, sizeof(uint16_t));
410 write_to_buffer(write_pos_proc
,(void*)&startTimeDelta
, sizeof(uint32_t));
411 write_to_buffer(write_pos_proc
,(void*)&process
, sizeof(new_process
));
414 while(fscanf(fProc
, "IRQ: %d; NAME: ", &lIntID
) > 0){
415 /* Read 'til the end of the line */
416 fgets(lName
, 200, fProc
);
418 defaultId
= TRACE_IRQ_ENTRY
;
421 write_to_buffer(write_pos_intr
,(void*)&defaultId
, sizeof(uint16_t));
422 write_to_buffer(write_pos_intr
,(void*)&startTimeDelta
, sizeof(uint32_t));
423 write_to_buffer(write_pos_intr
,(void*)&irq
, sizeof(trace_irq_entry
));
434 cpu_id
= *(uint8_t*)cur_pos
;
435 cur_pos
+= sizeof(uint8_t);
436 if(cpu_id
!= 0 && has_event
[cpu_id
] == FALSE
){
437 has_event
[cpu_id
] = TRUE
;
438 write_to_buffer(write_pos
[cpu_id
],(void*)&startId
,sizeof(uint16_t));
439 write_to_buffer(write_pos
[cpu_id
],(void*)&startTimeDelta
, sizeof(uint32_t));
440 write_to_buffer(write_pos
[cpu_id
],(void*)&start
, sizeof(buffer_start
));
443 evId
= *(uint8_t *)cur_pos
;
445 if(evId
== TRACE_HEARTBEAT
) {
446 newId
= TRACE_HEARTBEAT_ID
;
448 cur_pos
+= sizeof(uint8_t);
449 time_delta
= *(uint32_t*)cur_pos
;
450 cur_pos
+= sizeof(uint32_t);
452 if(time_delta
< previous_time_delta
){
453 end
.cycle_count
+= OVERFLOW_FIGURE
;
455 previous_time_delta
= time_delta
;
458 write_to_buffer(write_pos
[cpu_id
],(void*)&newId
,sizeof(uint16_t));
459 write_to_buffer(write_pos
[cpu_id
],(void*)&time_delta
, sizeof(uint32_t));
461 write_to_buffer(write_pos
[0],(void*)&newId
,sizeof(uint16_t));
462 write_to_buffer(write_pos
[0],(void*)&time_delta
, sizeof(uint32_t));
465 if(evId
== TRACE_BUFFER_END
){
469 write_to_buffer(write_pos
[cpu_id
],(void*)&end
,sizeof(buffer_start
));
472 size
= block_size
+ ((void*)buf_out
[i
] - write_pos
[i
])+ sizeof(uint16_t) + sizeof(uint32_t);
473 write_pos
[i
] = buf_out
[i
] + block_size
- sizeof(uint32_t);
474 write_to_buffer(write_pos
[i
],(void*)&size
, sizeof(uint32_t));
475 write(fdCpu
[i
],(void*)buf_out
[i
], block_size
);
479 int size
= block_size
+ ((void*)buf_out
[0] - write_pos
[0])+ sizeof(uint16_t) + sizeof(uint32_t);
480 write_to_buffer(write_pos
[0],(void*)&end
,sizeof(buffer_start
));
481 write_pos
[0] = buf_out
[0] + block_size
- sizeof(uint32_t);
482 write_to_buffer(write_pos
[0],(void*)&size
, sizeof(uint32_t));
483 write(fdCpu
[0],(void*)buf_out
[0], block_size
);
486 //write out processes and intrrupts files
488 int size_intr
= block_size
- (write_pos_intr
- (void*)buf_intr
);
489 int size_proc
= block_size
- (write_pos_proc
- (void*)buf_proc
);
490 write_to_buffer(write_pos_intr
,(void*)&newId
,sizeof(uint16_t));
491 write_to_buffer(write_pos_intr
,(void*)&time_delta
, sizeof(uint32_t));
493 end_intr
.nanoseconds
-= 20;
494 write_to_buffer(write_pos_intr
,(void*)&end_intr
,sizeof(buffer_start
));
496 write_to_buffer(write_pos_proc
,(void*)&newId
,sizeof(uint16_t));
497 write_to_buffer(write_pos_proc
,(void*)&time_delta
, sizeof(uint32_t));
499 end_proc
.nanoseconds
-= 40;
500 write_to_buffer(write_pos_proc
,(void*)&end_proc
,sizeof(buffer_start
));
502 write_pos_intr
= buf_intr
+ block_size
- sizeof(uint32_t);
503 write_pos_proc
= buf_proc
+ block_size
- sizeof(uint32_t);
504 write_to_buffer(write_pos_intr
,(void*)&size_intr
, sizeof(uint32_t));
505 write_to_buffer(write_pos_proc
,(void*)&size_proc
, sizeof(uint32_t));
506 write(fdIntr
,(void*)buf_intr
,block_size
);
507 write(fdProc
,(void*)buf_proc
,block_size
);
514 case TRACE_SYSCALL_ENTRY
:
515 event_size
= sizeof(trace_syscall_entry
);
517 case TRACE_SYSCALL_EXIT
:
520 case TRACE_TRAP_ENTRY
:
521 event_size
= sizeof(trace_trap_entry
);
523 case TRACE_TRAP_EXIT
:
526 case TRACE_IRQ_ENTRY
:
527 event_size
= sizeof(trace_irq_entry
);
528 timeDelta
= time_delta
;
529 write_to_buffer(write_pos_intr
,(void*)&newId
, sizeof(uint16_t));
530 write_to_buffer(write_pos_intr
,(void*)&timeDelta
, sizeof(uint32_t));
531 write_to_buffer(write_pos_intr
,cur_pos
, event_size
);
535 timeDelta
= time_delta
;
536 write_to_buffer(write_pos_intr
,(void*)&newId
, sizeof(uint16_t));
537 write_to_buffer(write_pos_intr
,(void*)&timeDelta
, sizeof(uint32_t));
539 case TRACE_SCHEDCHANGE
:
540 event_size
= sizeof(trace_schedchange
);
542 case TRACE_KERNEL_TIMER
:
546 event_size
= sizeof(trace_soft_irq
);
547 // timeDelta = time_delta;
548 // write_to_buffer(write_pos_intr,(void*)&newId, sizeof(uint16_t));
549 // write_to_buffer(write_pos_intr,(void*)&timeDelta, sizeof(uint32_t));
550 // write_to_buffer(write_pos_intr,cur_pos, event_size);
553 event_size
= sizeof(trace_process
);
554 timeDelta
= time_delta
;
555 subId
= *(uint8_t*)cur_pos
;
556 if(subId
== TRACE_PROCESS_FORK
|| subId
==TRACE_PROCESS_EXIT
){
557 if( subId
== TRACE_PROCESS_FORK
)tmpId
= PROCESS_FORK_ID
;
558 else tmpId
= PROCESS_EXIT_ID
;
559 write_to_buffer(write_pos_proc
,(void*)&tmpId
, sizeof(uint16_t));
560 write_to_buffer(write_pos_proc
,(void*)&timeDelta
, sizeof(uint32_t));
562 process
= *(new_process
*)(cur_pos
+ sizeof(uint8_t));
563 write_to_buffer(write_pos_proc
,(void*)&process
, sizeof(new_process
));
566 case TRACE_FILE_SYSTEM
:
567 event_size
= sizeof(trace_file_system
)- sizeof(char*);
570 event_size
= sizeof(trace_timer
);
573 event_size
= sizeof(trace_memory
);
576 event_size
= sizeof(trace_socket
);
579 event_size
= sizeof(trace_ipc
);
582 event_size
= sizeof(trace_network
);
584 case TRACE_HEARTBEAT
:
587 beat
.nanoseconds
= 0;
588 beat
.cycle_count
= start
.cycle_count
+ beat_count
* OVERFLOW_FIGURE
;
591 // end.cycle_count += OVERFLOW_FIGURE;
593 write_to_buffer(write_pos_intr
,(void*)&newId
, sizeof(uint16_t));
594 write_to_buffer(write_pos_intr
,(void*)&timeDelta
, sizeof(uint32_t));
595 write_to_buffer(write_pos_intr
,(void*)&beat
, sizeof(heartbeat
));
596 write_to_buffer(write_pos_proc
,(void*)&newId
, sizeof(uint16_t));
597 write_to_buffer(write_pos_proc
,(void*)&timeDelta
, sizeof(uint32_t));
598 write_to_buffer(write_pos_proc
,(void*)&beat
, sizeof(heartbeat
));
604 if(evId
!= TRACE_FILE_SYSTEM
&& event_size
>=0){
606 write_to_buffer(write_pos
[cpu_id
], cur_pos
, event_size
);
608 write_to_buffer(write_pos
[0], cur_pos
, event_size
);
611 if(evId
== TRACE_HEARTBEAT
){
613 write_to_buffer(write_pos
[cpu_id
],(void*)&beat
, sizeof(heartbeat
));
615 write_to_buffer(write_pos
[0], (void*)&beat
, sizeof(heartbeat
));
619 cur_pos
+= event_size
+ sizeof(uint16_t); //skip data_size
620 }else if(evId
== TRACE_FILE_SYSTEM
){
623 tFileSys
= (trace_file_system
*)cur_pos
;
624 subId
= tFileSys
->event_sub_id
;
625 if(subId
== TRACE_FILE_SYSTEM_OPEN
|| subId
== TRACE_FILE_SYSTEM_EXEC
){
626 nbBytes
= tFileSys
->event_data2
+1;
630 write_to_buffer(write_pos
[cpu_id
], cur_pos
, event_size
);
631 cur_pos
+= event_size
+ sizeof(char*);
633 write_to_buffer(write_pos
[cpu_id
], cur_pos
, nbBytes
);
635 write_to_buffer(write_pos
[cpu_id
], (void*)&c
, 1);
638 write_to_buffer(write_pos
[0], cur_pos
, event_size
);
639 cur_pos
+= event_size
+ sizeof(char*);
641 write_to_buffer(write_pos
[0], cur_pos
, nbBytes
);
643 write_to_buffer(write_pos
[0], (void*)&c
, 1);
646 cur_pos
+= nbBytes
+ sizeof(uint16_t); //skip data_size
647 }else if(event_size
== -1){
648 printf("Unknown event: evId=%d, i=%d, event_count=%d\n", newId
, i
, event_count
);
659 //write to system.xml
660 fprintf(fp
,"<system\n");
661 fprintf(fp
,"node_name=\"%s\"\n", node_name
);
662 fprintf(fp
,"domainname=\"%s\"\n", domainname
);
663 fprintf(fp
,"cpu=%d\n", cpu
);
664 fprintf(fp
,"arch_size=\"%s\"\n", arch_size
);
665 fprintf(fp
,"endian=\"%s\"\n",endian
);
666 fprintf(fp
,"kernel_name=\"%s\"\n",kernel_name
);
667 fprintf(fp
,"kernel_release=\"%s\"\n",kernel_release
);
668 fprintf(fp
,"kernel_version=\"%s\"\n",kernel_version
);
669 fprintf(fp
,"machine=\"%s\"\n",machine
);
670 fprintf(fp
,"processor=\"%s\"\n",processor
);
671 fprintf(fp
,"hardware_platform=\"%s\"\n",hardware_platform
);
672 fprintf(fp
,"operating_system=\"%s\"\n",operating_system
);
673 fprintf(fp
,"ltt_major_version=%d\n",ltt_major_version
);
674 fprintf(fp
,"ltt_minor_version=%d\n",ltt_minor_version
);
675 fprintf(fp
,"ltt_block_size=%d\n",ltt_block_size
);
677 fprintf(fp
,"This is just a test\n");
678 fprintf(fp
,"</system>\n");
687 for(i
=0;i
<cpu
;i
++) close(fdCpu
[i
]);