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3f7bc1415fbf3d69d7ad9281a3409312f9899712
[lttv.git] / ltt / branches / poly / ltt / convert / convert.c
1 #include <stdio.h>
2 #include <unistd.h>
3 #include <fcntl.h>
4 #include <sys/stat.h>
5 #include <sys/types.h>
6 #include <errno.h>
7 #include <stdlib.h>
8 #include <string.h>
9
10 #include <glib.h>
11 #include "LTTTypes.h"
12 #include "LinuxEvents.h"
13
14 #define TRACE_HEARTBEAT_ID 19
15 #define PROCESS_FORK_ID 20
16 #define PROCESS_EXIT_ID 21
17
18 #define INFO_ENTRY 9
19 #define OVERFLOW_FIGURE 0x100000000ULL
20
21 typedef struct _new_process
22 {
23 uint32_t event_data1; /* Data associated with event */
24 uint32_t event_data2;
25 } LTT_PACKED_STRUCT new_process;
26
27 #define write_to_buffer(DEST, SRC, SIZE) \
28 do\
29 {\
30 memcpy(DEST, SRC, SIZE);\
31 DEST += SIZE;\
32 } while(0);
33
34 int readFile(int fd, void * buf, size_t size, char * mesg)
35 {
36 ssize_t nbBytes = read(fd, buf, size);
37
38 if((size_t)nbBytes != size) {
39 if(nbBytes < 0) {
40 perror("Error in readFile : ");
41 } else {
42 printf("%s\n",mesg);
43 }
44 exit(1);
45 }
46 return 0;
47 }
48
49 void getDataEndianType(char * size, char * endian)
50 {
51 int i = 1;
52 char c = (char) i;
53 int sizeInt=sizeof(int), sizeLong=sizeof(long), sizePointer=sizeof(void *);
54
55 if(c == 1) strcpy(endian,"LITTLE_ENDIAN");
56 else strcpy(endian, "BIG_ENDIAN");
57
58 if(sizeInt == 2 && sizeLong == 4 && sizePointer == 4)
59 strcpy(size,"LP32");
60 else if(sizeInt == 4 && sizeLong == 4 && sizePointer == 4)
61 strcpy(size,"ILP32");
62 else if(sizeInt == 4 && sizeLong == 8 && sizePointer == 8)
63 strcpy(size,"LP64");
64 else if(sizeInt == 8 && sizeLong == 8 && sizePointer == 8)
65 strcpy(size,"ILP64");
66 else strcpy(size,"UNKNOWN");
67 }
68
69 #define BUFFER_SIZE 80
70
71 typedef struct _buffer_start{
72 uint32_t seconds;
73 uint32_t nanoseconds;
74 uint64_t cycle_count;
75 uint32_t block_id;
76 } __attribute__ ((packed)) buffer_start;
77
78 typedef struct _buffer_end{
79 uint32_t seconds;
80 uint32_t nanoseconds;
81 uint64_t cycle_count;
82 uint32_t block_id;
83 } __attribute__ ((packed)) buffer_end;
84
85
86 typedef struct _heartbeat{
87 uint32_t seconds;
88 uint32_t nanoseconds;
89 uint64_t cycle_count;
90 } __attribute__ ((packed)) heartbeat;
91
92
93 int main(int argc, char ** argv){
94
95 int fd, fdCpu;
96 FILE * fp;
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];
109 int cpu;
110 int ltt_block_size=0;
111 int ltt_major_version=0;
112 int ltt_minor_version=0;
113 int ltt_log_cpu;
114 guint ltt_trace_start_size;
115 char buf[BUFFER_SIZE];
116 int i, k;
117
118 uint8_t cpu_id;
119
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];
125
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];
130
131 struct stat lTDFStat;
132 off_t file_size;
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;
142 uint8_t evId;
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;
147 heartbeat beat;
148 uint64_t adaptation_tsc; // (Mathieu)
149 uint32_t size_lost;
150 int reserve_size = sizeof(buffer_start) +
151 sizeof(buffer_end) + //buffer_end event
152 sizeof(uint32_t); //lost size
153 int nb_para;
154
155 new_process process;
156
157 if(argc < 4){
158 printf("Usage : ./convert processfile_name number_of_cpu tracefile1 tracefile2 ... trace_creation_directory\n");
159 printf("For more details, see README.\n");
160 exit(1);
161 }
162
163 cpu = atoi(argv[2]);
164 printf("cpu number = %d\n", cpu);
165 nb_para = 3 + cpu;
166
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");
169 exit(1);
170 }
171
172 if(argc == nb_para){
173 strcpy(foo, "foo");
174 strcpy(foo_eventdefs, "foo/eventdefs");
175 strcpy(foo_control, "foo/control");
176 strcpy(foo_cpu, "foo/cpu");
177 strcpy(foo_info, "foo/info");
178 }else{
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");
188 }
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");
197
198
199 getDataEndianType(arch_size, endian);
200 printf("Arch_size: %s, Endian: %s\n", arch_size, endian);
201
202 fp = fopen("sysInfo.out","r");
203 if(!fp){
204 g_error("Unable to open file sysInfo.out\n");
205 }
206
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';
237 }
238 }
239 fclose(fp);
240
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);
251
252 fp = fopen(foo_info_system,"w");
253 if(!fp){
254 g_error("Unable to open file system.xml\n");
255 }
256
257 fdFac = open(foo_control_facilities,O_CREAT | O_RDWR | O_TRUNC,S_IRUSR |S_IWUSR | S_IRGRP | S_IROTH);
258 if(fdFac < 0){
259 g_error("Unable to open file facilities\n");
260 }
261 fdIntr = open(foo_control_interrupts,O_CREAT | O_RDWR | O_TRUNC,S_IRUSR |S_IWUSR | S_IRGRP | S_IROTH);
262 if(fdIntr<0){
263 g_error("Unable to open file interrupts\n");
264 }
265 fdProc = open(foo_control_processes,O_CREAT | O_RDWR | O_TRUNC,S_IRUSR |S_IWUSR | S_IRGRP | S_IROTH);
266 if(fdProc<0){
267 g_error("Unable to open file process\n");
268 }
269
270
271 for(k=0;k<cpu;k++){
272 fd = open(argv[nb_para-cpu+k], O_RDONLY, 0);
273 if(fd < 0){
274 g_error("Unable to open input data file %s\n", argv[nb_para-cpu+k]);
275 }
276
277 if(fstat(fd, &lTDFStat) < 0){
278 g_error("Unable to get the status of the input data file\n");
279 }
280 file_size = lTDFStat.st_size;
281
282 buffer = g_new(char, 4000);
283 readFile(fd,(void*)buffer, 3500, "Unable to read block header");
284
285 cur_pos= buffer;
286 evId = *(uint8_t *)cur_pos;
287 cur_pos += sizeof(uint8_t);
288 newId = evId;
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
294
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);
306
307 startId = newId;
308 startTimeDelta = time_delta;
309 start.seconds = tBufStart->Time.tv_sec;
310 /* Fix (Mathieu) */
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;
315
316
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 /* Verify if it's a broken 2.2 format */
328 if(*(uint8_t*)(cur_pos + sizeof(trace_start_2_2)) == 0) {
329 /* Cannot have two trace start events. We cannot detect the problem
330 * if the flight recording flag is set to 1, as it conflicts
331 * with TRACE_SYSCALL_ENTRY.
332 */
333 g_warning("This is a 2.3 trace format that has a 2.2 tag. Please upgrade your kernel");
334 g_printf("Processing the trace as a 2.3 format\n");
335
336 tStart->MinorVersion = 3;
337 }
338 }
339
340 if(tStart->MinorVersion == 3) {
341 trace_start_2_3* tStart_2_3 = (trace_start_2_3*)tStart;
342 ltt_major_version = tStart_2_3->MajorVersion;
343 ltt_minor_version = tStart_2_3->MinorVersion;
344 ltt_block_size = tStart_2_3->BufferSize;
345 ltt_log_cpu = tStart_2_3->LogCPUID;
346 ltt_trace_start_size = sizeof(trace_start_2_3);
347 /* We do not use the flight recorder information for now, because we
348 * never use the .proc file anyway */
349 } else {
350 ltt_trace_start_size = 0;
351 g_error("Minor version unknown : %hu. Supported minors : 2, 3",
352 tStart->MinorVersion);
353 }
354
355 block_size = ltt_block_size;//FIXME
356 block_number = file_size/ltt_block_size;
357
358 g_free(buffer);
359 buffer = g_new(char, ltt_block_size);
360 buf_fac = g_new(char, block_size);
361 write_pos_fac = buf_fac;
362 buf_intr = g_new(char, block_size);
363 write_pos_intr = buf_intr;
364 buf_proc = g_new(char, block_size);
365 write_pos_proc = buf_proc;
366
367 buf_out = g_new(char, block_size);
368 write_pos = buf_out;
369 sprintf(cpuStr,"%s/%d",foo_cpu,k);
370 fdCpu = open(cpuStr, O_CREAT | O_RDWR | O_TRUNC,S_IRUSR |S_IWUSR | S_IRGRP | S_IROTH); //for cpu k
371 if(fdCpu < 0) g_error("Unable to open cpu file %d\n", k);
372 lseek(fd,0,SEEK_SET);
373
374 for(i=0;i<block_number;i++){
375 int event_count = 0;
376
377 memset((void*)buf_out, 0, block_size);
378 write_pos = buf_out;
379 memset((void*)buf_intr, 0, block_size);
380 memset((void*)buf_fac, 0, block_size);
381 memset((void*)buf_proc, 0, block_size);
382 write_pos_intr = buf_intr;
383 write_pos_fac = buf_fac;
384 write_pos_proc = buf_proc;
385
386 memset((void*)buffer,0,ltt_block_size);
387 readFile(fd,(void*)buffer, ltt_block_size, "Unable to read block header");
388
389 cur_pos= buffer;
390 evId = *(uint8_t *)cur_pos;
391 cur_pos += sizeof(uint8_t);
392 newId = evId;
393 time_delta = *(uint32_t*)cur_pos;
394 cur_pos += sizeof(uint32_t);
395 tBufStart = (trace_buffer_start*)cur_pos;
396 cur_pos += sizeof(trace_buffer_start);
397 cur_pos += sizeof(uint16_t); //Skip event size
398
399 startId = newId;
400 startTimeDelta = time_delta;
401 start.seconds = tBufStart->Time.tv_sec;
402 /* usec -> nsec (Mathieu) */
403 start.nanoseconds = tBufStart->Time.tv_usec * 1000;
404 start.block_id = tBufStart->ID;
405 end.block_id = start.block_id;
406
407 end_pos = buffer + ltt_block_size; //end of the buffer
408 size_lost = *(uint32_t*)(end_pos - sizeof(uint32_t));
409
410 end_pos = buffer + ltt_block_size - size_lost ; //buffer_end event
411 if(ltt_log_cpu){
412 tBufEnd = (trace_buffer_end*)(end_pos + 2 * sizeof(uint8_t)+sizeof(uint32_t));
413 }else{
414 tBufEnd = (trace_buffer_end*)(end_pos+sizeof(uint8_t)+sizeof(uint32_t));
415 }
416 end.seconds = tBufEnd->Time.tv_sec;
417 /* usec -> nsec (Mathieu) */
418 end.nanoseconds = tBufEnd->Time.tv_usec * 1000;
419 // only 32 bits :(
420 //end.cycle_count = tBufEnd->TSC;
421
422 //skip buffer start and trace start events
423 if(i==0) {
424 //the first block
425 adaptation_tsc = (uint64_t)tBufStart->TSC;
426 cur_pos = buffer + sizeof(trace_buffer_start)
427 + ltt_trace_start_size
428 + 2*(sizeof(uint8_t)
429 + sizeof(uint16_t)+sizeof(uint32_t));
430 } else {
431 //other blocks
432 cur_pos = buffer + sizeof(trace_buffer_start)
433 + sizeof(uint8_t)
434 + sizeof(uint16_t)+sizeof(uint32_t);
435
436 /* Fix (Mathieu) */
437 if(time_delta < (0xFFFFFFFFULL&adaptation_tsc)) {
438 /* Overflow */
439 adaptation_tsc = (adaptation_tsc&0xFFFFFFFF00000000ULL)
440 + 0x100000000ULL
441 + (uint64_t)time_delta;
442 } else {
443 /* No overflow */
444 adaptation_tsc = (adaptation_tsc&0xFFFFFFFF00000000ULL) + time_delta;
445 }
446
447 }
448 start.cycle_count = adaptation_tsc;
449
450 //write start block event
451 write_to_buffer(write_pos,(void*)&startId, sizeof(uint16_t));
452 write_to_buffer(write_pos,(void*)&startTimeDelta, sizeof(uint32_t));
453 write_to_buffer(write_pos,(void*)&start, sizeof(buffer_start));
454
455 //write start block event into processes and interrupts files
456 write_to_buffer(write_pos_intr,(void*)&startId, sizeof(uint16_t));
457 write_to_buffer(write_pos_intr,(void*)&startTimeDelta, sizeof(uint32_t));
458 start_intr = start;
459 start_intr.nanoseconds -= 20;
460 write_to_buffer(write_pos_intr,(void*)&start_intr, sizeof(buffer_start));
461
462 write_to_buffer(write_pos_proc,(void*)&startId, sizeof(uint16_t));
463 write_to_buffer(write_pos_proc,(void*)&startTimeDelta, sizeof(uint32_t));
464 start_proc = start;
465 start_proc.nanoseconds -= 40;
466 write_to_buffer(write_pos_proc,(void*)&start_proc, sizeof(buffer_start));
467
468 //parse *.proc file to get process and irq info
469 if(i == 0){
470 int lIntID; /* Interrupt ID */
471 int lPID, lPPID; /* Process PID and Parent PID */
472 char lName[256]; /* Process name */
473 FILE * fProc;
474 uint16_t defaultId;
475 trace_irq_entry irq;
476
477 fProc = fopen(argv[1],"r");
478 if(!fProc){
479 g_error("Unable to open file %s\n", argv[1]);
480 }
481
482 while(fscanf(fProc, "PID: %d; PPID: %d; NAME: %s\n", &lPID, &lPPID, lName) > 0){
483 defaultId = PROCESS_FORK_ID;
484 process.event_data1 = lPID;
485 process.event_data2 = lPPID;
486 write_to_buffer(write_pos_proc,(void*)&defaultId, sizeof(uint16_t));
487 write_to_buffer(write_pos_proc,(void*)&startTimeDelta, sizeof(uint32_t));
488 write_to_buffer(write_pos_proc,(void*)&process, sizeof(new_process));
489 }
490
491 while(fscanf(fProc, "IRQ: %d; NAME: ", &lIntID) > 0){
492 /* Read 'til the end of the line */
493 fgets(lName, 200, fProc);
494
495 defaultId = TRACE_IRQ_ENTRY;
496 irq.irq_id = lIntID;
497 irq.kernel = 1;
498 write_to_buffer(write_pos_intr,(void*)&defaultId, sizeof(uint16_t));
499 write_to_buffer(write_pos_intr,(void*)&startTimeDelta, sizeof(uint32_t));
500 write_to_buffer(write_pos_intr,(void*)&irq, sizeof(trace_irq_entry));
501 }
502 fclose(fProc);
503 }
504
505 while(1){
506 int event_size;
507 uint64_t timeDelta;
508 uint8_t subId;
509
510 if(ltt_log_cpu){
511 cpu_id = *(uint8_t*)cur_pos;
512 cur_pos += sizeof(uint8_t);
513 }
514 evId = *(uint8_t *)cur_pos;
515 newId = evId;
516 if(evId == TRACE_HEARTBEAT) {
517 newId = TRACE_HEARTBEAT_ID;
518 }
519 cur_pos += sizeof(uint8_t);
520 time_delta = *(uint32_t*)cur_pos;
521 cur_pos += sizeof(uint32_t);
522
523
524 //write event_id and time_delta
525 write_to_buffer(write_pos,(void*)&newId,sizeof(uint16_t));
526 write_to_buffer(write_pos,(void*)&time_delta, sizeof(uint32_t));
527
528 /* Fix (Mathieu) */
529 if(time_delta < (0xFFFFFFFFULL&adaptation_tsc)) {
530 /* Overflow */
531 adaptation_tsc = (adaptation_tsc&0xFFFFFFFF00000000ULL) + 0x100000000ULL
532 + (uint64_t)time_delta;
533 } else {
534 /* No overflow */
535 adaptation_tsc = (adaptation_tsc&0xFFFFFFFF00000000ULL) + time_delta;
536 }
537
538
539 if(evId == TRACE_BUFFER_END){
540 #if 0
541 /* Fix (Mathieu) */
542 if(time_delta < (0xFFFFFFFFULL&adaptation_tsc)) {
543 /* Overflow */
544 adaptation_tsc = (adaptation_tsc&0xFFFFFFFF00000000ULL) + 0x100000000ULL
545 + (uint64_t)time_delta;
546 } else {
547 /* No overflow */
548 adaptation_tsc = (adaptation_tsc&0xFFFFFFFF00000000ULL) + time_delta;
549 }
550 #endif //0
551 end.cycle_count = adaptation_tsc;
552 int size = (void*)buf_out + block_size - write_pos
553 - sizeof(buffer_end) - sizeof(uint32_t);
554
555 /* size _lost_ ? */
556 //int size = (void*)buf_out + block_size - write_pos
557 // + sizeof(uint16_t) + sizeof(uint32_t);
558 g_assert((void*)write_pos < (void*)buf_out + block_size);
559 write_to_buffer(write_pos,(void*)&end,sizeof(buffer_end));
560 write_pos = buf_out + block_size - sizeof(uint32_t);
561 write_to_buffer(write_pos,(void*)&size, sizeof(uint32_t));
562 write(fdCpu,(void*)buf_out, block_size);
563
564 //write out processes and intrrupts files
565 {
566 int size_intr = block_size + (void*)buf_intr - write_pos_intr
567 - sizeof(buffer_end) - sizeof(uint32_t);
568 int size_proc = block_size + (void*)buf_proc - write_pos_proc
569 - sizeof(buffer_end) - sizeof(uint32_t);
570 //int size_intr = block_size - (write_pos_intr - (void*)buf_intr);
571 //int size_proc = block_size - (write_pos_proc - (void*)buf_proc);
572 write_to_buffer(write_pos_intr,(void*)&newId,sizeof(uint16_t));
573 write_to_buffer(write_pos_intr,(void*)&time_delta, sizeof(uint32_t));
574 end_intr = end;
575 end_intr.nanoseconds -= 20;
576 write_to_buffer(write_pos_intr,(void*)&end_intr,sizeof(buffer_start));
577
578 write_to_buffer(write_pos_proc,(void*)&newId,sizeof(uint16_t));
579 write_to_buffer(write_pos_proc,(void*)&time_delta, sizeof(uint32_t));
580 end_proc = end;
581 end_proc.nanoseconds -= 40;
582 write_to_buffer(write_pos_proc,(void*)&end_proc,sizeof(buffer_start));
583
584 write_pos_intr = buf_intr + block_size - sizeof(uint32_t);
585 write_pos_proc = buf_proc + block_size - sizeof(uint32_t);
586 write_to_buffer(write_pos_intr,(void*)&size_intr, sizeof(uint32_t));
587 write_to_buffer(write_pos_proc,(void*)&size_proc, sizeof(uint32_t));
588 //for now don't output processes and interrupt information
589 // write(fdIntr,(void*)buf_intr,block_size);
590 // write(fdProc,(void*)buf_proc,block_size);
591 }
592 break;
593 }
594
595 event_count++;
596 switch(evId){
597 case TRACE_SYSCALL_ENTRY:
598 event_size = sizeof(trace_syscall_entry);
599 break;
600 case TRACE_SYSCALL_EXIT:
601 event_size = 0;
602 break;
603 case TRACE_TRAP_ENTRY:
604 event_size = sizeof(trace_trap_entry);
605 break;
606 case TRACE_TRAP_EXIT:
607 event_size = 0;
608 break;
609 case TRACE_IRQ_ENTRY:
610 event_size = sizeof(trace_irq_entry);
611 timeDelta = time_delta;
612 write_to_buffer(write_pos_intr,(void*)&newId, sizeof(uint16_t));
613 write_to_buffer(write_pos_intr,(void*)&timeDelta, sizeof(uint32_t));
614 write_to_buffer(write_pos_intr,cur_pos, event_size);
615 break;
616 case TRACE_IRQ_EXIT:
617 event_size = 0;
618 timeDelta = time_delta;
619 write_to_buffer(write_pos_intr,(void*)&newId, sizeof(uint16_t));
620 write_to_buffer(write_pos_intr,(void*)&timeDelta, sizeof(uint32_t));
621 break;
622 case TRACE_SCHEDCHANGE:
623 event_size = sizeof(trace_schedchange);
624 break;
625 case TRACE_KERNEL_TIMER:
626 event_size = 0;
627 break;
628 case TRACE_SOFT_IRQ:
629 event_size = sizeof(trace_soft_irq);
630 // timeDelta = time_delta;
631 // write_to_buffer(write_pos_intr,(void*)&newId, sizeof(uint16_t));
632 // write_to_buffer(write_pos_intr,(void*)&timeDelta, sizeof(uint32_t));
633 // write_to_buffer(write_pos_intr,cur_pos, event_size);
634 break;
635 case TRACE_PROCESS:
636 event_size = sizeof(trace_process);
637 timeDelta = time_delta;
638 subId = *(uint8_t*)cur_pos;
639 if(subId == TRACE_PROCESS_FORK || subId ==TRACE_PROCESS_EXIT){
640 if( subId == TRACE_PROCESS_FORK)tmpId = PROCESS_FORK_ID;
641 else tmpId = PROCESS_EXIT_ID;
642 write_to_buffer(write_pos_proc,(void*)&tmpId, sizeof(uint16_t));
643 write_to_buffer(write_pos_proc,(void*)&timeDelta, sizeof(uint32_t));
644
645 process = *(new_process*)(cur_pos + sizeof(uint8_t));
646 write_to_buffer(write_pos_proc,(void*)&process, sizeof(new_process));
647 }
648 break;
649 case TRACE_FILE_SYSTEM:
650 event_size = sizeof(trace_file_system)- sizeof(char*);
651 break;
652 case TRACE_TIMER:
653 event_size = sizeof(trace_timer);
654 break;
655 case TRACE_MEMORY:
656 event_size = sizeof(trace_memory);
657 break;
658 case TRACE_SOCKET:
659 event_size = sizeof(trace_socket);
660 break;
661 case TRACE_IPC:
662 event_size = sizeof(trace_ipc);
663 break;
664 case TRACE_NETWORK:
665 event_size = sizeof(trace_network);
666 break;
667 case TRACE_HEARTBEAT:
668 beat.seconds = 0;
669 beat.nanoseconds = 0;
670 beat.cycle_count = adaptation_tsc;
671 event_size = 0;
672
673 write_to_buffer(write_pos_intr,(void*)&newId, sizeof(uint16_t));
674 write_to_buffer(write_pos_intr,(void*)&time_delta, sizeof(uint32_t));
675 write_to_buffer(write_pos_intr,(void*)&beat, sizeof(heartbeat));
676 write_to_buffer(write_pos_proc,(void*)&newId, sizeof(uint16_t));
677 write_to_buffer(write_pos_proc,(void*)&time_delta, sizeof(uint32_t));
678 write_to_buffer(write_pos_proc,(void*)&beat, sizeof(heartbeat));
679 break;
680 default:
681 event_size = -1;
682 break;
683 }
684 if(evId != TRACE_FILE_SYSTEM && event_size >=0){
685 write_to_buffer(write_pos, cur_pos, event_size);
686
687 if(evId == TRACE_HEARTBEAT){
688 write_to_buffer(write_pos, (void*)&beat, sizeof(heartbeat));
689 }
690
691 cur_pos += event_size + sizeof(uint16_t); //skip data_size
692 }else if(evId == TRACE_FILE_SYSTEM){
693 size_t nbBytes;
694 char c = '\0';
695 tFileSys = (trace_file_system*)cur_pos;
696 subId = tFileSys->event_sub_id;
697 if(subId == TRACE_FILE_SYSTEM_OPEN || subId == TRACE_FILE_SYSTEM_EXEC){
698 nbBytes = tFileSys->event_data2 +1;
699 }else nbBytes = 0;
700
701 write_to_buffer(write_pos, cur_pos, event_size);
702 cur_pos += event_size + sizeof(char*);
703 if(nbBytes){
704 write_to_buffer(write_pos, cur_pos, nbBytes);
705 }else{
706 write_to_buffer(write_pos, (void*)&c, 1);
707 }
708 cur_pos += nbBytes + sizeof(uint16_t); //skip data_size
709 }else if(event_size == -1){
710 printf("Unknown event: evId=%d, i=%d, event_count=%d\n", newId, i, event_count);
711 exit(1);
712 }
713 } //end while(1)
714 }
715 close(fd);
716 close(fdCpu);
717 g_free(buffer);
718 buffer = NULL;
719 g_free(buf_fac);
720 g_free(buf_intr);
721 g_free(buf_proc);
722 g_free(buf_out);
723 }
724
725
726
727
728
729 //write to system.xml
730 fprintf(fp,"<system \n");
731 fprintf(fp,"node_name=\"%s\" \n", node_name);
732 fprintf(fp,"domainname=\"%s\" \n", domainname);
733 fprintf(fp,"cpu=\"%d\" \n", cpu);
734 fprintf(fp,"arch_size=\"%s\" \n", arch_size);
735 fprintf(fp,"endian=\"%s\" \n",endian);
736 fprintf(fp,"kernel_name=\"%s\" \n",kernel_name);
737 fprintf(fp,"kernel_release=\"%s\" \n",kernel_release);
738 fprintf(fp,"kernel_version=\"%s\" \n",kernel_version);
739 fprintf(fp,"machine=\"%s\" \n",machine);
740 fprintf(fp,"processor=\"%s\" \n",processor);
741 fprintf(fp,"hardware_platform=\"%s\" \n",hardware_platform);
742 fprintf(fp,"operating_system=\"%s\" \n",operating_system);
743 fprintf(fp,"ltt_major_version=\"%d\" \n",ltt_major_version);
744 fprintf(fp,"ltt_minor_version=\"%d\" \n",ltt_minor_version);
745 fprintf(fp,"ltt_block_size=\"%d\" \n",ltt_block_size);
746 fprintf(fp,">\n");
747 fprintf(fp,"This is just a test\n");
748 fprintf(fp,"</system>\n");
749 fflush(fp);
750
751 close(fdFac);
752 close(fdIntr);
753 close(fdProc);
754 fclose(fp);
755
756 g_printf("Conversion completed. Don't forget to copy core.xml to eventdefs directory\n");
757
758 return 0;
759 }
760
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