5 #include <linux/errno.h>
9 #include "LinuxEvents.h"
11 #define write_to_buffer(DEST, SRC, SIZE) \
14 memcpy(DEST, SRC, SIZE);\
18 int readFile(int fd
, void * buf
, size_t size
, char * mesg
)
21 nbBytes
= read(fd
, buf
, size
);
29 void getDataEndianType(char * size
, char * endian
)
33 int sizeInt
=sizeof(int), sizeLong
=sizeof(long), sizePointer
=sizeof(void *);
35 if(c
== 1) strcpy(endian
,"LITTLE_ENDIAN");
36 else strcpy(endian
, "BIG_ENDIAN");
38 if(sizeInt
== 2 && sizeLong
== 4 && sizePointer
== 4)
40 else if(sizeInt
== 4 && sizeLong
== 4 && sizePointer
== 4)
42 else if(sizeInt
== 4 && sizeLong
== 8 && sizePointer
== 8)
44 else if(sizeInt
== 8 && sizeLong
== 8 && sizePointer
== 8)
46 else strcpy(size
,"UNKNOWN");
49 #define BUFFER_SIZE 80
51 typedef struct _buffer_start
{
56 } __attribute__ ((packed
)) buffer_start
;
58 typedef struct _heartbeat
{
62 } __attribute__ ((packed
)) heartbeat
;
65 int main(int argc
, char ** argv
){
69 int fdFac
, fdIntr
, fdProc
;
70 char arch_size
[BUFFER_SIZE
];
71 char endian
[BUFFER_SIZE
];
72 char node_name
[BUFFER_SIZE
];
73 char domainname
[BUFFER_SIZE
];
74 char kernel_name
[BUFFER_SIZE
];
75 char kernel_release
[BUFFER_SIZE
];
76 char kernel_version
[BUFFER_SIZE
];
77 char machine
[BUFFER_SIZE
];
78 char processor
[BUFFER_SIZE
];
79 char hardware_platform
[BUFFER_SIZE
];
80 char operating_system
[BUFFER_SIZE
];
83 int ltt_major_version
;
84 int ltt_minor_version
;
86 char buf
[BUFFER_SIZE
];
92 int block_number
, block_size
;
93 char * buffer
, **buf_out
, cpuStr
[BUFFER_SIZE
];
94 char * buf_fac
, * buf_intr
, * buf_proc
;
95 void ** write_pos
, *write_pos_fac
, * write_pos_intr
, *write_pos_proc
;
97 trace_buffer_start
*tBufStart
;
98 trace_buffer_end
*tBufEnd
;
99 trace_file_system
* tFileSys
;
100 uint16_t newId
, startId
;
102 uint32_t time_delta
, startTimeDelta
;
103 void * cur_pos
, *end_pos
;
108 gboolean
* has_event
;
110 int reserve_size
= sizeof(buffer_start
) + sizeof(uint16_t) + 2*sizeof(uint32_t);//lost_size and buffer_end event
113 printf("need a trace file and cpu number\n");
118 printf("cpu number = %d\n", cpu
);
121 getDataEndianType(arch_size
, endian
);
122 printf("Arch_size: %s, Endian: %s\n", arch_size
, endian
);
124 fp
= fopen("sysInfo.out","r");
126 g_error("Unable to open file sysInfo.out\n");
130 if(!fgets(buf
,BUFFER_SIZE
-1,fp
))
131 g_error("The format of sysInfo.out is not right\n");
132 if(strncmp(buf
,"node_name=",10)==0){
133 strcpy(node_name
,&buf
[10]);
134 node_name
[strlen(node_name
)-1] = '\0';
135 }else if(strncmp(buf
,"domainname=",11)==0){
136 strcpy(domainname
,&buf
[11]);
137 domainname
[strlen(domainname
)-1] = '\0';
138 }else if(strncmp(buf
,"kernel_name=",12)==0){
139 strcpy(kernel_name
,&buf
[12]);
140 kernel_name
[strlen(kernel_name
)-1] = '\0';
141 }else if(strncmp(buf
,"kernel_release=",15)==0){
142 strcpy(kernel_release
,&buf
[15]);
143 kernel_release
[strlen(kernel_release
)-1] = '\0';
144 }else if(strncmp(buf
,"kernel_version=",15)==0){
145 strcpy(kernel_version
,&buf
[15]);
146 kernel_version
[strlen(kernel_version
)-1] = '\0';
147 }else if(strncmp(buf
,"machine=",8)==0){
148 strcpy(machine
,&buf
[8]);
149 machine
[strlen(machine
)-1] = '\0';
150 }else if(strncmp(buf
,"processor=",10)==0){
151 strcpy(processor
,&buf
[10]);
152 processor
[strlen(processor
)-1] = '\0';
153 }else if(strncmp(buf
,"hardware_platform=",18)==0){
154 strcpy(hardware_platform
,&buf
[18]);
155 hardware_platform
[strlen(hardware_platform
)-1] = '\0';
156 }else if(strncmp(buf
,"operating_system=",17)==0){
157 strcpy(operating_system
,&buf
[17]);
158 operating_system
[strlen(operating_system
)-1] = '\0';
163 if(mkdir("foo", S_IFDIR
| S_IRWXU
| S_IRGRP
| S_IROTH
)) g_error("can not make foo directory");
164 if(mkdir("foo/info", S_IFDIR
| S_IRWXU
| S_IRGRP
| S_IROTH
)) g_error("can not make foo/info directory");
165 if(mkdir("foo/cpu", S_IFDIR
| S_IRWXU
| S_IRGRP
| S_IROTH
)) g_error("can not make foo/cpu directory");
166 if(mkdir("foo/control", S_IFDIR
| S_IRWXU
| S_IRGRP
| S_IROTH
)) g_error("can not make foo/control directory");
167 if(mkdir("foo/eventdefs", S_IFDIR
| S_IRWXU
| S_IRGRP
| S_IROTH
)) g_error("can not make foo/eventdefs directory");
169 fp
= fopen("foo/info/system.xml","w");
171 g_error("Unable to open file system.xml\n");
174 fd
= open(argv
[1], O_RDONLY
, 0);
176 g_error("Unable to open input data file %s\n", argv
[1]);
179 fdFac
= open("foo/control/facilities",O_CREAT
| O_RDWR
| O_TRUNC
,S_IRUSR
|S_IWUSR
| S_IRGRP
| S_IROTH
);
181 g_error("Unable to open file facilities\n");
183 fdIntr
= open("foo/control/interrupts",O_CREAT
| O_RDWR
| O_TRUNC
,S_IRUSR
|S_IWUSR
| S_IRGRP
| S_IROTH
);
185 g_error("Unable to open file interrupts\n");
187 fdProc
= open("foo/control/processes",O_CREAT
| O_RDWR
| O_TRUNC
,S_IRUSR
|S_IWUSR
| S_IRGRP
| S_IROTH
);
189 g_error("Unable to open file process\n");
194 if(fstat(fd
, &lTDFStat
) < 0){
195 g_error("Unable to get the status of the input data file\n");
197 file_size
= lTDFStat
.st_size
;
199 buffer
= g_new(char, 4000);
200 readFile(fd
,(void*)buffer
, 3500, "Unable to read block header");
203 evId
= *(uint8_t *)cur_pos
;
204 cur_pos
+= sizeof(uint8_t);
206 time_delta
= *(uint32_t*)cur_pos
;
207 cur_pos
+= sizeof(uint32_t);
208 tBufStart
= (trace_buffer_start
*)cur_pos
;
209 cur_pos
+= sizeof(trace_buffer_start
);
210 cur_pos
+= sizeof(uint16_t); //Skip event size
212 evId
= *(uint8_t *)cur_pos
;
213 cur_pos
+= sizeof(uint8_t);
214 cur_pos
+= sizeof(uint32_t);
215 tStart
= (trace_start
*)cur_pos
;
218 startTimeDelta
= time_delta
;
219 start
.seconds
= tBufStart
->Time
.tv_sec
;
220 start
.nanoseconds
= tBufStart
->Time
.tv_usec
;
221 start
.cycle_count
= tBufStart
->TSC
;
222 start
.block_id
= tBufStart
->ID
;
223 end
.block_id
= start
.block_id
;
225 ltt_major_version
= tStart
->MajorVersion
;
226 ltt_minor_version
= tStart
->MinorVersion
;
227 ltt_block_size
= tStart
->BufferSize
;
228 ltt_log_cpu
= tStart
->LogCPUID
;
230 block_size
= ltt_block_size
;
231 block_number
= file_size
/block_size
;
234 buffer
= g_new(char, block_size
);
235 buf_fac
= g_new(char, block_size
);
236 write_pos_fac
= buf_fac
;
237 buf_intr
= g_new(char, block_size
);
238 write_pos_intr
= buf_intr
;
239 buf_proc
= g_new(char, block_size
);
240 write_pos_proc
= buf_proc
;
242 buf_out
= g_new(char*,cpu
);
243 write_pos
= g_new(void*, cpu
);
244 fdCpu
= g_new(int, cpu
);
245 has_event
= g_new(gboolean
, cpu
);
247 has_event
[i
] = FALSE
;
248 if(i
==0)has_event
[i
] = TRUE
;
249 buf_out
[i
] = g_new(char, block_size
);
250 write_pos
[i
] = NULL
;;
251 sprintf(cpuStr
,"foo/cpu/%d\0",i
);
252 fdCpu
[i
] = open(cpuStr
, O_CREAT
| O_RDWR
| O_TRUNC
,S_IRUSR
|S_IWUSR
| S_IRGRP
| S_IROTH
); //for cpu i
253 if(fdCpu
[i
] < 0) g_error("Unable to open cpu file %d\n", i
);
255 lseek(fd
,0,SEEK_SET
);
258 for(i
=0;i
<block_number
;i
++){
262 for(j
=1;j
<cpu
;j
++)has_event
[j
] = FALSE
;
264 memset((void*)buf_out
[j
], 0, block_size
);
265 write_pos
[j
] = buf_out
[j
];
267 memset((void*)buf_intr
, 0, block_size
);
268 memset((void*)buf_fac
, 0, block_size
);
269 memset((void*)buf_proc
, 0, block_size
);
270 write_pos_intr
= buf_intr
;
271 write_pos_fac
= buf_fac
;
272 write_pos_proc
= buf_proc
;
274 memset((void*)buffer
,0,block_size
);
275 readFile(fd
,(void*)buffer
, block_size
, "Unable to read block header");
278 evId
= *(uint8_t *)cur_pos
;
279 cur_pos
+= sizeof(uint8_t);
281 time_delta
= *(uint32_t*)cur_pos
;
282 cur_pos
+= sizeof(uint32_t);
283 tBufStart
= (trace_buffer_start
*)cur_pos
;
284 cur_pos
+= sizeof(trace_buffer_start
);
285 cur_pos
+= sizeof(uint16_t); //Skip event size
288 startTimeDelta
= time_delta
;
289 start
.seconds
= tBufStart
->Time
.tv_sec
;
290 start
.nanoseconds
= tBufStart
->Time
.tv_usec
;
291 start
.cycle_count
= tBufStart
->TSC
;
292 start
.block_id
= tBufStart
->ID
;
293 end
.block_id
= start
.block_id
;
295 end_pos
= buffer
+ block_size
; //end of the buffer
296 size_lost
= *(uint32_t*)(end_pos
- sizeof(uint32_t));
298 end_pos
= buffer
+ block_size
- size_lost
; //buffer_end event
300 tBufEnd
= (trace_buffer_end
*)(end_pos
+ 2 * sizeof(uint8_t)+sizeof(uint32_t));
302 tBufEnd
= (trace_buffer_end
*)(end_pos
+sizeof(uint8_t)+sizeof(uint32_t));
304 end
.seconds
= tBufEnd
->Time
.tv_sec
;
305 end
.nanoseconds
= tBufEnd
->Time
.tv_usec
;
306 end
.cycle_count
= tBufEnd
->TSC
;
308 //skip buffer start and trace start events
309 if(i
==0) //the first block
310 cur_pos
= buffer
+ sizeof(trace_buffer_start
) + sizeof(trace_start
) + 2*(sizeof(uint8_t)+sizeof(uint16_t)+sizeof(uint32_t));
312 cur_pos
= buffer
+ sizeof(trace_buffer_start
) + sizeof(uint8_t)+sizeof(uint16_t)+sizeof(uint32_t);
314 //for cpu 0, always make records
315 write_to_buffer(write_pos
[0],(void*)&startId
, sizeof(uint16_t));
316 write_to_buffer(write_pos
[0],(void*)&startTimeDelta
, sizeof(uint32_t));
317 write_to_buffer(write_pos
[0],(void*)&start
, sizeof(buffer_start
));
319 //write start block event into processes and interrupts files
320 write_to_buffer(write_pos_intr
,(void*)&startId
, sizeof(uint16_t));
321 write_to_buffer(write_pos_intr
,(void*)&startTimeDelta
, sizeof(uint32_t));
322 write_to_buffer(write_pos_intr
,(void*)&start
, sizeof(buffer_start
));
323 write_to_buffer(write_pos_proc
,(void*)&startId
, sizeof(uint16_t));
324 write_to_buffer(write_pos_proc
,(void*)&startTimeDelta
, sizeof(uint32_t));
325 write_to_buffer(write_pos_proc
,(void*)&start
, sizeof(buffer_start
));
333 cpu_id
= *(uint8_t*)cur_pos
;
334 cur_pos
+= sizeof(uint8_t);
335 if(cpu_id
!= 0 && has_event
[cpu_id
] == FALSE
){
336 has_event
[cpu_id
] = TRUE
;
337 write_to_buffer(write_pos
[cpu_id
],(void*)&startId
,sizeof(uint16_t));
338 write_to_buffer(write_pos
[cpu_id
],(void*)&startTimeDelta
, sizeof(uint32_t));
339 write_to_buffer(write_pos
[cpu_id
],(void*)&start
, sizeof(buffer_start
));
342 evId
= *(uint8_t *)cur_pos
;
344 cur_pos
+= sizeof(uint8_t);
345 time_delta
= *(uint32_t*)cur_pos
;
346 cur_pos
+= sizeof(uint32_t);
349 write_to_buffer(write_pos
[cpu_id
],(void*)&newId
,sizeof(uint16_t));
350 write_to_buffer(write_pos
[cpu_id
],(void*)&time_delta
, sizeof(uint32_t));
352 write_to_buffer(write_pos
[0],(void*)&newId
,sizeof(uint16_t));
353 write_to_buffer(write_pos
[0],(void*)&time_delta
, sizeof(uint32_t));
356 if(evId
== TRACE_BUFFER_END
){
360 write_to_buffer(write_pos
[cpu_id
],(void*)&end
,sizeof(buffer_start
));
363 size
= block_size
+ ((void*)buf_out
[i
] - write_pos
[i
])+ sizeof(uint16_t) + sizeof(uint32_t);
364 write_pos
[i
] = buf_out
[i
] + block_size
- sizeof(uint32_t);
365 write_to_buffer(write_pos
[i
],(void*)&size
, sizeof(uint32_t));
366 write(fdCpu
[i
],(void*)buf_out
[i
], block_size
);
370 int size
= block_size
+ ((void*)buf_out
[0] - write_pos
[0])+ sizeof(uint16_t) + sizeof(uint32_t);
371 write_to_buffer(write_pos
[0],(void*)&end
,sizeof(buffer_start
));
372 write_pos
[0] = buf_out
[0] + block_size
- sizeof(uint32_t);
373 write_to_buffer(write_pos
[0],(void*)&size
, sizeof(uint32_t));
374 write(fdCpu
[0],(void*)buf_out
[0], block_size
);
377 //write out processes and intrrupts files
379 int size_intr
=(int) (write_pos_intr
- (void*)buf_intr
);
380 int size_proc
=(int) (write_pos_proc
- (void*)buf_proc
);
381 write_to_buffer(write_pos_intr
,(void*)&end
,sizeof(buffer_start
));
382 write_to_buffer(write_pos_proc
,(void*)&end
,sizeof(buffer_start
));
383 write_pos_intr
= buf_intr
+ block_size
- sizeof(uint32_t);
384 write_pos_proc
= buf_intr
+ block_size
- sizeof(uint32_t);
385 write_to_buffer(write_pos_intr
,(void*)&size_intr
, sizeof(uint32_t));
386 write_to_buffer(write_pos_proc
,(void*)&size_proc
, sizeof(uint32_t));
387 write(fdIntr
,(void*)buf_intr
,block_size
);
388 write(fdProc
,(void*)buf_proc
,block_size
);
395 case TRACE_SYSCALL_ENTRY
:
396 event_size
= sizeof(trace_syscall_entry
);
398 case TRACE_SYSCALL_EXIT
:
401 case TRACE_TRAP_ENTRY
:
402 event_size
= sizeof(trace_trap_entry
);
404 case TRACE_TRAP_EXIT
:
407 case TRACE_IRQ_ENTRY
:
408 event_size
= sizeof(trace_irq_entry
);
409 timeDelta
= time_delta
;
410 write_to_buffer(write_pos_intr
,(void*)&newId
, sizeof(uint16_t));
411 write_to_buffer(write_pos_intr
,(void*)&timeDelta
, sizeof(uint64_t));
412 write_to_buffer(write_pos_intr
,cur_pos
, event_size
);
416 timeDelta
= time_delta
;
417 write_to_buffer(write_pos_intr
,(void*)&newId
, sizeof(uint16_t));
418 write_to_buffer(write_pos_intr
,(void*)&timeDelta
, sizeof(uint64_t));
420 case TRACE_SCHEDCHANGE
:
421 event_size
= sizeof(trace_schedchange
);
423 case TRACE_KERNEL_TIMER
:
427 event_size
= sizeof(trace_soft_irq
);
428 timeDelta
= time_delta
;
429 write_to_buffer(write_pos_intr
,(void*)&newId
, sizeof(uint16_t));
430 write_to_buffer(write_pos_intr
,(void*)&timeDelta
, sizeof(uint64_t));
431 write_to_buffer(write_pos_intr
,cur_pos
, event_size
);
434 event_size
= sizeof(trace_process
);
435 timeDelta
= time_delta
;
436 subId
= *(uint8_t*)cur_pos
;
437 if(subId
== TRACE_PROCESS_FORK
|| subId
==TRACE_PROCESS_EXIT
){
438 write_to_buffer(write_pos_proc
,(void*)&newId
, sizeof(uint16_t));
439 write_to_buffer(write_pos_proc
,(void*)&timeDelta
, sizeof(uint64_t));
440 write_to_buffer(write_pos_proc
,cur_pos
, event_size
);
443 case TRACE_FILE_SYSTEM
:
444 event_size
= sizeof(trace_file_system
)- sizeof(char*);
447 event_size
= sizeof(trace_timer
);
450 event_size
= sizeof(trace_memory
);
453 event_size
= sizeof(trace_socket
);
456 event_size
= sizeof(trace_ipc
);
459 event_size
= sizeof(trace_network
);
461 case TRACE_HEARTBEAT
:
464 beat
.nanoseconds
= 0;
465 beat
.cycle_count
= start
.cycle_count
+ beat_count
* (0XFFFF+1);
472 if(evId
!= TRACE_FILE_SYSTEM
&& event_size
>=0){
474 write_to_buffer(write_pos
[cpu_id
], cur_pos
, event_size
);
476 write_to_buffer(write_pos
[0], cur_pos
, event_size
);
479 if(evId
== TRACE_HEARTBEAT
){
481 write_to_buffer(write_pos
[cpu_id
],(void*)&beat
, sizeof(heartbeat
));
483 write_to_buffer(write_pos
[0], (void*)&beat
, sizeof(heartbeat
));
487 cur_pos
+= event_size
+ sizeof(uint16_t); //skip data_size
488 }else if(evId
== TRACE_FILE_SYSTEM
){
491 tFileSys
= (trace_file_system
*)cur_pos
;
492 subId
= tFileSys
->event_sub_id
;
493 if(subId
== TRACE_FILE_SYSTEM_OPEN
|| subId
== TRACE_FILE_SYSTEM_EXEC
){
494 nbBytes
= tFileSys
->event_data2
+1;
498 write_to_buffer(write_pos
[cpu_id
], cur_pos
, event_size
);
499 cur_pos
+= event_size
+ sizeof(char*);
501 write_to_buffer(write_pos
[cpu_id
], cur_pos
, nbBytes
);
503 write_to_buffer(write_pos
[cpu_id
], (void*)&c
, 1);
506 write_to_buffer(write_pos
[0], cur_pos
, event_size
);
507 cur_pos
+= event_size
+ sizeof(char*);
509 write_to_buffer(write_pos
[0], cur_pos
, nbBytes
);
511 write_to_buffer(write_pos
[0], (void*)&c
, 1);
514 cur_pos
+= nbBytes
+ sizeof(uint16_t); //skip data_size
515 }else if(event_size
== -1){
516 printf("Unknown event: evId=%d, i=%d, event_count=%d\n", newId
, i
, event_count
);
527 //write to system.xml
528 fprintf(fp
,"<system\n");
529 fprintf(fp
,"node_name=\"%s\"\n", node_name
);
530 fprintf(fp
,"domainname=\"%s\"\n", domainname
);
531 fprintf(fp
,"cpu=%d\n", cpu
);
532 fprintf(fp
,"arch_size=\"%s\"\n", arch_size
);
533 fprintf(fp
,"endian=\"%s\"\n",endian
);
534 fprintf(fp
,"kernel_name=\"%s\"\n",kernel_name
);
535 fprintf(fp
,"kernel_release=\"%s\"\n",kernel_release
);
536 fprintf(fp
,"kernel_version=\"%s\"\n",kernel_version
);
537 fprintf(fp
,"machine=\"%s\"\n",machine
);
538 fprintf(fp
,"processor=\"%s\"\n",processor
);
539 fprintf(fp
,"hardware_platform=\"%s\"\n",hardware_platform
);
540 fprintf(fp
,"operating_system=\"%s\"\n",operating_system
);
541 fprintf(fp
,"ltt_major_version=%d\n",ltt_major_version
);
542 fprintf(fp
,"ltt_minor_version=%d\n",ltt_minor_version
);
543 fprintf(fp
,"ltt_block_size=%d\n",ltt_block_size
);
545 fprintf(fp
,"This is just a test\n");
546 fprintf(fp
,"</system>\n");
555 for(i
=0;i
<cpu
;i
++) close(fdCpu
[i
]);
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