160d4bdb |
1 | #include <stdio.h> |
2 | #include <fcntl.h> |
3 | #include <sys/stat.h> |
4 | #include <sys/types.h> |
5 | #include <linux/errno.h> |
6 | |
7 | #include <glib.h> |
8 | #include "LTTTypes.h" |
9 | #include "LinuxEvents.h" |
10 | |
c9e8ac96 |
11 | #define TRACE_HEARTBEAT_ID 19 |
1812dbb9 |
12 | #define PROCESS_FORK_ID 20 |
13 | #define PROCESS_EXIT_ID 21 |
14 | |
c9e8ac96 |
15 | #define INFO_ENTRY 9 |
16 | #define OVERFLOW_FIGURE 4294967296 |
17 | |
1812dbb9 |
18 | typedef struct _new_process |
19 | { |
20 | uint32_t event_data1; /* Data associated with event */ |
21 | uint32_t event_data2; |
22 | } LTT_PACKED_STRUCT new_process; |
23 | |
160d4bdb |
24 | #define write_to_buffer(DEST, SRC, SIZE) \ |
25 | do\ |
26 | {\ |
27 | memcpy(DEST, SRC, SIZE);\ |
28 | DEST += SIZE;\ |
29 | } while(0); |
30 | |
31 | int readFile(int fd, void * buf, size_t size, char * mesg) |
32 | { |
33 | ssize_t nbBytes; |
34 | nbBytes = read(fd, buf, size); |
35 | if(nbBytes != size){ |
36 | printf("%s\n",mesg); |
37 | exit(1); |
38 | } |
39 | return 0; |
40 | } |
41 | |
42 | void getDataEndianType(char * size, char * endian) |
43 | { |
44 | int i = 1; |
45 | char c = (char) i; |
46 | int sizeInt=sizeof(int), sizeLong=sizeof(long), sizePointer=sizeof(void *); |
47 | |
48 | if(c == 1) strcpy(endian,"LITTLE_ENDIAN"); |
49 | else strcpy(endian, "BIG_ENDIAN"); |
50 | |
51 | if(sizeInt == 2 && sizeLong == 4 && sizePointer == 4) |
52 | strcpy(size,"LP32"); |
53 | else if(sizeInt == 4 && sizeLong == 4 && sizePointer == 4) |
54 | strcpy(size,"ILP32"); |
55 | else if(sizeInt == 4 && sizeLong == 8 && sizePointer == 8) |
56 | strcpy(size,"LP64"); |
57 | else if(sizeInt == 8 && sizeLong == 8 && sizePointer == 8) |
58 | strcpy(size,"ILP64"); |
59 | else strcpy(size,"UNKNOWN"); |
60 | } |
61 | |
62 | #define BUFFER_SIZE 80 |
63 | |
64 | typedef struct _buffer_start{ |
65 | uint32_t seconds; |
66 | uint32_t nanoseconds; |
67 | uint64_t cycle_count; |
68 | uint32_t block_id; |
69 | } __attribute__ ((packed)) buffer_start; |
70 | |
71 | typedef struct _heartbeat{ |
72 | uint32_t seconds; |
73 | uint32_t nanoseconds; |
74 | uint64_t cycle_count; |
75 | } __attribute__ ((packed)) heartbeat; |
76 | |
77 | |
78 | int main(int argc, char ** argv){ |
79 | |
80 | int fd, *fdCpu; |
81 | FILE * fp; |
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]; |
94 | int cpu; |
95 | int ltt_block_size; |
96 | int ltt_major_version; |
97 | int ltt_minor_version; |
98 | int ltt_log_cpu; |
99 | char buf[BUFFER_SIZE]; |
100 | int i,j; |
101 | |
102 | uint8_t cpu_id; |
103 | |
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]; |
109 | |
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]; |
114 | |
115 | struct stat lTDFStat; |
116 | off_t file_size; |
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; |
121 | trace_start *tStart; |
122 | trace_buffer_start *tBufStart; |
123 | trace_buffer_end *tBufEnd; |
124 | trace_file_system * tFileSys; |
1812dbb9 |
125 | uint16_t newId, startId, tmpId; |
160d4bdb |
126 | uint8_t evId; |
127 | uint32_t time_delta, startTimeDelta; |
128 | void * cur_pos, *end_pos; |
c9e8ac96 |
129 | buffer_start start, start_proc, start_intr; |
130 | buffer_start end, end_proc, end_intr; |
160d4bdb |
131 | heartbeat beat; |
132 | int beat_count = 0; |
133 | gboolean * has_event; |
134 | uint32_t size_lost; |
135 | int reserve_size = sizeof(buffer_start) + sizeof(uint16_t) + 2*sizeof(uint32_t);//lost_size and buffer_end event |
136 | |
1812dbb9 |
137 | new_process process; |
138 | |
c9e8ac96 |
139 | if(argc != 4 && argc != 5){ |
160d4bdb |
140 | printf("need a trace file and cpu number or root directory for the new tracefile\n"); |
141 | exit(1); |
142 | } |
143 | |
c9e8ac96 |
144 | if(argc == 4){ |
160d4bdb |
145 | strcpy(foo, "foo"); |
146 | strcpy(foo_eventdefs, "foo/eventdefs"); |
147 | strcpy(foo_control, "foo/control"); |
148 | strcpy(foo_cpu, "foo/cpu"); |
149 | strcpy(foo_info, "foo/info"); |
150 | }else{ |
c9e8ac96 |
151 | strcpy(foo, argv[4]); |
152 | strcpy(foo_eventdefs, argv[4]); |
160d4bdb |
153 | strcat(foo_eventdefs,"/eventdefs"); |
c9e8ac96 |
154 | strcpy(foo_control, argv[4]); |
160d4bdb |
155 | strcat(foo_control,"/control"); |
c9e8ac96 |
156 | strcpy(foo_cpu, argv[4]); |
160d4bdb |
157 | strcat(foo_cpu,"/cpu"); |
c9e8ac96 |
158 | strcpy(foo_info, argv[4]); |
160d4bdb |
159 | strcat(foo_info,"/info"); |
160 | } |
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"); |
169 | |
c9e8ac96 |
170 | cpu = atoi(argv[3]); |
160d4bdb |
171 | printf("cpu number = %d\n", cpu); |
172 | |
173 | |
174 | getDataEndianType(arch_size, endian); |
175 | printf("Arch_size: %s, Endian: %s\n", arch_size, endian); |
176 | |
177 | fp = fopen("sysInfo.out","r"); |
178 | if(!fp){ |
179 | g_error("Unable to open file sysInfo.out\n"); |
180 | } |
181 | |
c9e8ac96 |
182 | for(i=0;i<INFO_ENTRY;i++){ |
160d4bdb |
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'; |
212 | } |
213 | } |
214 | fclose(fp); |
215 | |
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); |
226 | |
227 | fp = fopen(foo_info_system,"w"); |
228 | if(!fp){ |
229 | g_error("Unable to open file system.xml\n"); |
230 | } |
231 | |
232 | fd = open(argv[1], O_RDONLY, 0); |
233 | if(fd < 0){ |
234 | g_error("Unable to open input data file %s\n", argv[1]); |
235 | } |
236 | |
237 | fdFac = open(foo_control_facilities,O_CREAT | O_RDWR | O_TRUNC,S_IRUSR |S_IWUSR | S_IRGRP | S_IROTH); |
238 | if(fdFac < 0){ |
239 | g_error("Unable to open file facilities\n"); |
240 | } |
241 | fdIntr = open(foo_control_interrupts,O_CREAT | O_RDWR | O_TRUNC,S_IRUSR |S_IWUSR | S_IRGRP | S_IROTH); |
242 | if(fdIntr<0){ |
243 | g_error("Unable to open file interrupts\n"); |
244 | } |
245 | fdProc = open(foo_control_processes,O_CREAT | O_RDWR | O_TRUNC,S_IRUSR |S_IWUSR | S_IRGRP | S_IROTH); |
246 | if(fdIntr<0){ |
247 | g_error("Unable to open file process\n"); |
248 | } |
249 | |
250 | |
251 | |
252 | if(fstat(fd, &lTDFStat) < 0){ |
253 | g_error("Unable to get the status of the input data file\n"); |
254 | } |
255 | file_size = lTDFStat.st_size; |
256 | |
257 | buffer = g_new(char, 4000); |
258 | readFile(fd,(void*)buffer, 3500, "Unable to read block header"); |
259 | |
260 | cur_pos= buffer; |
261 | evId = *(uint8_t *)cur_pos; |
262 | cur_pos += sizeof(uint8_t); |
263 | newId = evId; |
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 |
269 | |
270 | evId = *(uint8_t *)cur_pos; |
271 | cur_pos += sizeof(uint8_t); |
272 | cur_pos += sizeof(uint32_t); |
273 | tStart = (trace_start*)cur_pos; |
274 | |
275 | startId = newId; |
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; |
282 | |
283 | ltt_major_version = tStart->MajorVersion; |
284 | ltt_minor_version = tStart->MinorVersion; |
285 | ltt_block_size = tStart->BufferSize; |
286 | ltt_log_cpu = tStart->LogCPUID; |
287 | |
288 | block_size = ltt_block_size; |
289 | block_number = file_size/block_size; |
290 | |
291 | g_free(buffer); |
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; |
299 | |
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); |
304 | for(i=0;i<cpu;i++){ |
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); |
312 | } |
313 | lseek(fd,0,SEEK_SET); |
314 | |
315 | |
316 | for(i=0;i<block_number;i++){ |
317 | int event_count = 0; |
318 | beat_count = 0; |
319 | |
320 | for(j=1;j<cpu;j++)has_event[j] = FALSE; |
321 | for(j=0;j<cpu;j++){ |
322 | memset((void*)buf_out[j], 0, block_size); |
323 | write_pos[j] = buf_out[j]; |
324 | } |
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; |
331 | |
332 | memset((void*)buffer,0,block_size); |
333 | readFile(fd,(void*)buffer, block_size, "Unable to read block header"); |
334 | |
335 | cur_pos= buffer; |
336 | evId = *(uint8_t *)cur_pos; |
337 | cur_pos += sizeof(uint8_t); |
338 | newId = evId; |
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 |
344 | |
345 | startId = newId; |
346 | startTimeDelta = time_delta; |
347 | start.seconds = tBufStart->Time.tv_sec; |
348 | start.nanoseconds = tBufStart->Time.tv_usec; |
349 | start.cycle_count = tBufStart->TSC; |
350 | start.block_id = tBufStart->ID; |
351 | end.block_id = start.block_id; |
352 | |
353 | end_pos = buffer + block_size; //end of the buffer |
354 | size_lost = *(uint32_t*)(end_pos - sizeof(uint32_t)); |
355 | |
356 | end_pos = buffer + block_size - size_lost ; //buffer_end event |
357 | if(ltt_log_cpu){ |
358 | tBufEnd = (trace_buffer_end*)(end_pos + 2 * sizeof(uint8_t)+sizeof(uint32_t)); |
359 | }else{ |
360 | tBufEnd = (trace_buffer_end*)(end_pos+sizeof(uint8_t)+sizeof(uint32_t)); |
361 | } |
362 | end.seconds = tBufEnd->Time.tv_sec; |
363 | end.nanoseconds = tBufEnd->Time.tv_usec; |
364 | end.cycle_count = tBufEnd->TSC; |
365 | |
366 | //skip buffer start and trace start events |
367 | if(i==0) //the first block |
368 | cur_pos = buffer + sizeof(trace_buffer_start) + sizeof(trace_start) + 2*(sizeof(uint8_t)+sizeof(uint16_t)+sizeof(uint32_t)); |
369 | else //other blocks |
370 | cur_pos = buffer + sizeof(trace_buffer_start) + sizeof(uint8_t)+sizeof(uint16_t)+sizeof(uint32_t); |
371 | |
372 | //for cpu 0, always make records |
373 | write_to_buffer(write_pos[0],(void*)&startId, sizeof(uint16_t)); |
374 | write_to_buffer(write_pos[0],(void*)&startTimeDelta, sizeof(uint32_t)); |
375 | write_to_buffer(write_pos[0],(void*)&start, sizeof(buffer_start)); |
376 | |
377 | //write start block event into processes and interrupts files |
378 | write_to_buffer(write_pos_intr,(void*)&startId, sizeof(uint16_t)); |
379 | write_to_buffer(write_pos_intr,(void*)&startTimeDelta, sizeof(uint32_t)); |
c9e8ac96 |
380 | start_intr = start; |
9ca560eb |
381 | start_intr.nanoseconds -= 20; |
c9e8ac96 |
382 | write_to_buffer(write_pos_intr,(void*)&start_intr, sizeof(buffer_start)); |
383 | |
160d4bdb |
384 | write_to_buffer(write_pos_proc,(void*)&startId, sizeof(uint16_t)); |
385 | write_to_buffer(write_pos_proc,(void*)&startTimeDelta, sizeof(uint32_t)); |
c9e8ac96 |
386 | start_proc = start; |
9ca560eb |
387 | start_proc.nanoseconds -= 40; |
c9e8ac96 |
388 | write_to_buffer(write_pos_proc,(void*)&start_proc, sizeof(buffer_start)); |
389 | |
390 | //parse *.proc file to get process and irq info |
391 | if(i == 0){ |
392 | int lIntID; /* Interrupt ID */ |
393 | int lPID, lPPID; /* Process PID and Parent PID */ |
394 | char lName[256]; /* Process name */ |
395 | FILE * fProc; |
396 | uint16_t defaultId; |
c9e8ac96 |
397 | trace_irq_entry irq; |
398 | |
399 | fProc = fopen(argv[2],"r"); |
400 | if(!fProc){ |
401 | g_error("Unable to open file %s\n", argv[2]); |
402 | } |
403 | |
404 | while(fscanf(fProc, "PID: %d; PPID: %d; NAME: %s\n", &lPID, &lPPID, lName) > 0){ |
1812dbb9 |
405 | defaultId = PROCESS_FORK_ID; |
c9e8ac96 |
406 | process.event_data1 = lPID; |
407 | process.event_data2 = lPPID; |
408 | write_to_buffer(write_pos_proc,(void*)&defaultId, sizeof(uint16_t)); |
409 | write_to_buffer(write_pos_proc,(void*)&startTimeDelta, sizeof(uint32_t)); |
1812dbb9 |
410 | write_to_buffer(write_pos_proc,(void*)&process, sizeof(new_process)); |
c9e8ac96 |
411 | } |
412 | |
413 | while(fscanf(fProc, "IRQ: %d; NAME: ", &lIntID) > 0){ |
414 | /* Read 'til the end of the line */ |
415 | fgets(lName, 200, fProc); |
416 | |
417 | defaultId = TRACE_IRQ_ENTRY; |
418 | irq.irq_id = lIntID; |
419 | irq.kernel = 1; |
420 | write_to_buffer(write_pos_intr,(void*)&defaultId, sizeof(uint16_t)); |
421 | write_to_buffer(write_pos_intr,(void*)&startTimeDelta, sizeof(uint32_t)); |
422 | write_to_buffer(write_pos_intr,(void*)&irq, sizeof(trace_irq_entry)); |
423 | } |
424 | fclose(fProc); |
425 | } |
160d4bdb |
426 | |
427 | while(1){ |
428 | int event_size; |
429 | uint64_t timeDelta; |
430 | uint8_t subId; |
431 | |
432 | if(ltt_log_cpu){ |
433 | cpu_id = *(uint8_t*)cur_pos; |
434 | cur_pos += sizeof(uint8_t); |
435 | if(cpu_id != 0 && has_event[cpu_id] == FALSE){ |
436 | has_event[cpu_id] = TRUE; |
437 | write_to_buffer(write_pos[cpu_id],(void*)&startId,sizeof(uint16_t)); |
438 | write_to_buffer(write_pos[cpu_id],(void*)&startTimeDelta, sizeof(uint32_t)); |
439 | write_to_buffer(write_pos[cpu_id],(void*)&start, sizeof(buffer_start)); |
440 | } |
441 | } |
442 | evId = *(uint8_t *)cur_pos; |
443 | newId = evId; |
dd272646 |
444 | if(evId == TRACE_HEARTBEAT) { |
c9e8ac96 |
445 | newId = TRACE_HEARTBEAT_ID; |
dd272646 |
446 | } |
160d4bdb |
447 | cur_pos += sizeof(uint8_t); |
448 | time_delta = *(uint32_t*)cur_pos; |
449 | cur_pos += sizeof(uint32_t); |
450 | |
451 | if(ltt_log_cpu){ |
452 | write_to_buffer(write_pos[cpu_id],(void*)&newId,sizeof(uint16_t)); |
453 | write_to_buffer(write_pos[cpu_id],(void*)&time_delta, sizeof(uint32_t)); |
454 | }else{ |
455 | write_to_buffer(write_pos[0],(void*)&newId,sizeof(uint16_t)); |
456 | write_to_buffer(write_pos[0],(void*)&time_delta, sizeof(uint32_t)); |
457 | } |
458 | |
459 | if(evId == TRACE_BUFFER_END){ |
460 | if(ltt_log_cpu){ |
461 | int size, i; |
462 | if(has_event[i]) |
463 | write_to_buffer(write_pos[cpu_id],(void*)&end,sizeof(buffer_start)); |
464 | for(i=0;i<cpu;i++){ |
465 | if(has_event[i]){ |
466 | size = block_size + ((void*)buf_out[i] - write_pos[i])+ sizeof(uint16_t) + sizeof(uint32_t); |
467 | write_pos[i] = buf_out[i] + block_size - sizeof(uint32_t); |
468 | write_to_buffer(write_pos[i],(void*)&size, sizeof(uint32_t)); |
469 | write(fdCpu[i],(void*)buf_out[i], block_size); |
470 | } |
471 | } |
472 | }else { |
473 | int size = block_size + ((void*)buf_out[0] - write_pos[0])+ sizeof(uint16_t) + sizeof(uint32_t); |
474 | write_to_buffer(write_pos[0],(void*)&end,sizeof(buffer_start)); |
475 | write_pos[0] = buf_out[0] + block_size - sizeof(uint32_t); |
476 | write_to_buffer(write_pos[0],(void*)&size, sizeof(uint32_t)); |
477 | write(fdCpu[0],(void*)buf_out[0], block_size); |
478 | } |
479 | |
480 | //write out processes and intrrupts files |
481 | { |
c9e8ac96 |
482 | int size_intr = block_size - (write_pos_intr - (void*)buf_intr); |
483 | int size_proc = block_size - (write_pos_proc - (void*)buf_proc); |
484 | write_to_buffer(write_pos_intr,(void*)&newId,sizeof(uint16_t)); |
485 | write_to_buffer(write_pos_intr,(void*)&time_delta, sizeof(uint32_t)); |
486 | end_intr = end; |
9ca560eb |
487 | end_intr.nanoseconds -= 20; |
c9e8ac96 |
488 | write_to_buffer(write_pos_intr,(void*)&end_intr,sizeof(buffer_start)); |
489 | |
490 | write_to_buffer(write_pos_proc,(void*)&newId,sizeof(uint16_t)); |
491 | write_to_buffer(write_pos_proc,(void*)&time_delta, sizeof(uint32_t)); |
492 | end_proc = end; |
9ca560eb |
493 | end_proc.nanoseconds -= 40; |
c9e8ac96 |
494 | write_to_buffer(write_pos_proc,(void*)&end_proc,sizeof(buffer_start)); |
495 | |
160d4bdb |
496 | write_pos_intr = buf_intr + block_size - sizeof(uint32_t); |
c9e8ac96 |
497 | write_pos_proc = buf_proc + block_size - sizeof(uint32_t); |
160d4bdb |
498 | write_to_buffer(write_pos_intr,(void*)&size_intr, sizeof(uint32_t)); |
499 | write_to_buffer(write_pos_proc,(void*)&size_proc, sizeof(uint32_t)); |
500 | write(fdIntr,(void*)buf_intr,block_size); |
501 | write(fdProc,(void*)buf_proc,block_size); |
502 | } |
503 | break; |
504 | } |
505 | |
506 | event_count++; |
507 | switch(evId){ |
508 | case TRACE_SYSCALL_ENTRY: |
509 | event_size = sizeof(trace_syscall_entry); |
510 | break; |
511 | case TRACE_SYSCALL_EXIT: |
512 | event_size = 0; |
513 | break; |
514 | case TRACE_TRAP_ENTRY: |
515 | event_size = sizeof(trace_trap_entry); |
516 | break; |
517 | case TRACE_TRAP_EXIT: |
518 | event_size = 0; |
519 | break; |
520 | case TRACE_IRQ_ENTRY: |
521 | event_size = sizeof(trace_irq_entry); |
522 | timeDelta = time_delta; |
523 | write_to_buffer(write_pos_intr,(void*)&newId, sizeof(uint16_t)); |
c9e8ac96 |
524 | write_to_buffer(write_pos_intr,(void*)&timeDelta, sizeof(uint32_t)); |
160d4bdb |
525 | write_to_buffer(write_pos_intr,cur_pos, event_size); |
526 | break; |
527 | case TRACE_IRQ_EXIT: |
528 | event_size = 0; |
529 | timeDelta = time_delta; |
530 | write_to_buffer(write_pos_intr,(void*)&newId, sizeof(uint16_t)); |
c9e8ac96 |
531 | write_to_buffer(write_pos_intr,(void*)&timeDelta, sizeof(uint32_t)); |
160d4bdb |
532 | break; |
533 | case TRACE_SCHEDCHANGE: |
534 | event_size = sizeof(trace_schedchange); |
535 | break; |
536 | case TRACE_KERNEL_TIMER: |
537 | event_size = 0; |
538 | break; |
539 | case TRACE_SOFT_IRQ: |
540 | event_size = sizeof(trace_soft_irq); |
c9e8ac96 |
541 | // timeDelta = time_delta; |
542 | // write_to_buffer(write_pos_intr,(void*)&newId, sizeof(uint16_t)); |
543 | // write_to_buffer(write_pos_intr,(void*)&timeDelta, sizeof(uint32_t)); |
544 | // write_to_buffer(write_pos_intr,cur_pos, event_size); |
160d4bdb |
545 | break; |
546 | case TRACE_PROCESS: |
547 | event_size = sizeof(trace_process); |
548 | timeDelta = time_delta; |
549 | subId = *(uint8_t*)cur_pos; |
550 | if(subId == TRACE_PROCESS_FORK || subId ==TRACE_PROCESS_EXIT){ |
1812dbb9 |
551 | if( subId == TRACE_PROCESS_FORK)tmpId = PROCESS_FORK_ID; |
552 | else tmpId = PROCESS_EXIT_ID; |
553 | write_to_buffer(write_pos_proc,(void*)&tmpId, sizeof(uint16_t)); |
c9e8ac96 |
554 | write_to_buffer(write_pos_proc,(void*)&timeDelta, sizeof(uint32_t)); |
1812dbb9 |
555 | |
556 | process = *(new_process*)(cur_pos + sizeof(uint8_t)); |
557 | write_to_buffer(write_pos_proc,(void*)&process, sizeof(new_process)); |
160d4bdb |
558 | } |
559 | break; |
560 | case TRACE_FILE_SYSTEM: |
561 | event_size = sizeof(trace_file_system)- sizeof(char*); |
562 | break; |
563 | case TRACE_TIMER: |
564 | event_size = sizeof(trace_timer); |
565 | break; |
566 | case TRACE_MEMORY: |
567 | event_size = sizeof(trace_memory); |
568 | break; |
569 | case TRACE_SOCKET: |
570 | event_size = sizeof(trace_socket); |
571 | break; |
572 | case TRACE_IPC: |
573 | event_size = sizeof(trace_ipc); |
574 | break; |
575 | case TRACE_NETWORK: |
576 | event_size = sizeof(trace_network); |
577 | break; |
578 | case TRACE_HEARTBEAT: |
579 | beat_count++; |
580 | beat.seconds = 0; |
581 | beat.nanoseconds = 0; |
c9e8ac96 |
582 | beat.cycle_count = start.cycle_count + beat_count * OVERFLOW_FIGURE; |
160d4bdb |
583 | event_size = 0; |
c9e8ac96 |
584 | |
585 | end.cycle_count += OVERFLOW_FIGURE; |
586 | |
587 | write_to_buffer(write_pos_intr,(void*)&newId, sizeof(uint16_t)); |
588 | write_to_buffer(write_pos_intr,(void*)&timeDelta, sizeof(uint32_t)); |
589 | write_to_buffer(write_pos_intr,(void*)&beat, sizeof(heartbeat)); |
590 | write_to_buffer(write_pos_proc,(void*)&newId, sizeof(uint16_t)); |
591 | write_to_buffer(write_pos_proc,(void*)&timeDelta, sizeof(uint32_t)); |
592 | write_to_buffer(write_pos_proc,(void*)&beat, sizeof(heartbeat)); |
160d4bdb |
593 | break; |
594 | default: |
595 | event_size = -1; |
596 | break; |
597 | } |
598 | if(evId != TRACE_FILE_SYSTEM && event_size >=0){ |
599 | if(ltt_log_cpu){ |
600 | write_to_buffer(write_pos[cpu_id], cur_pos, event_size); |
601 | }else{ |
602 | write_to_buffer(write_pos[0], cur_pos, event_size); |
603 | } |
604 | |
605 | if(evId == TRACE_HEARTBEAT){ |
606 | if(ltt_log_cpu){ |
607 | write_to_buffer(write_pos[cpu_id],(void*)&beat , sizeof(heartbeat)); |
608 | }else{ |
609 | write_to_buffer(write_pos[0], (void*)&beat, sizeof(heartbeat)); |
610 | } |
611 | } |
612 | |
613 | cur_pos += event_size + sizeof(uint16_t); //skip data_size |
614 | }else if(evId == TRACE_FILE_SYSTEM){ |
615 | size_t nbBytes; |
616 | char c = '\0'; |
617 | tFileSys = (trace_file_system*)cur_pos; |
618 | subId = tFileSys->event_sub_id; |
619 | if(subId == TRACE_FILE_SYSTEM_OPEN || subId == TRACE_FILE_SYSTEM_EXEC){ |
620 | nbBytes = tFileSys->event_data2 +1; |
621 | }else nbBytes = 0; |
622 | |
623 | if(ltt_log_cpu){ |
624 | write_to_buffer(write_pos[cpu_id], cur_pos, event_size); |
625 | cur_pos += event_size + sizeof(char*); |
626 | if(nbBytes){ |
627 | write_to_buffer(write_pos[cpu_id], cur_pos, nbBytes); |
628 | }else{ |
629 | write_to_buffer(write_pos[cpu_id], (void*)&c, 1); |
630 | } |
631 | }else{ |
632 | write_to_buffer(write_pos[0], cur_pos, event_size); |
633 | cur_pos += event_size + sizeof(char*); |
634 | if(nbBytes){ |
635 | write_to_buffer(write_pos[0], cur_pos, nbBytes); |
636 | }else{ |
637 | write_to_buffer(write_pos[0], (void*)&c, 1); |
638 | } |
639 | } |
640 | cur_pos += nbBytes + sizeof(uint16_t); //skip data_size |
641 | }else if(event_size == -1){ |
642 | printf("Unknown event: evId=%d, i=%d, event_count=%d\n", newId, i, event_count); |
643 | exit(1); |
644 | } |
645 | } //end while(1) |
646 | |
647 | } |
648 | |
649 | |
650 | |
651 | |
652 | |
653 | //write to system.xml |
654 | fprintf(fp,"<system\n"); |
655 | fprintf(fp,"node_name=\"%s\"\n", node_name); |
656 | fprintf(fp,"domainname=\"%s\"\n", domainname); |
657 | fprintf(fp,"cpu=%d\n", cpu); |
658 | fprintf(fp,"arch_size=\"%s\"\n", arch_size); |
659 | fprintf(fp,"endian=\"%s\"\n",endian); |
660 | fprintf(fp,"kernel_name=\"%s\"\n",kernel_name); |
661 | fprintf(fp,"kernel_release=\"%s\"\n",kernel_release); |
662 | fprintf(fp,"kernel_version=\"%s\"\n",kernel_version); |
663 | fprintf(fp,"machine=\"%s\"\n",machine); |
664 | fprintf(fp,"processor=\"%s\"\n",processor); |
665 | fprintf(fp,"hardware_platform=\"%s\"\n",hardware_platform); |
666 | fprintf(fp,"operating_system=\"%s\"\n",operating_system); |
667 | fprintf(fp,"ltt_major_version=%d\n",ltt_major_version); |
668 | fprintf(fp,"ltt_minor_version=%d\n",ltt_minor_version); |
669 | fprintf(fp,"ltt_block_size=%d\n",ltt_block_size); |
670 | fprintf(fp,">\n"); |
671 | fprintf(fp,"This is just a test\n"); |
672 | fprintf(fp,"</system>\n"); |
673 | fflush(fp); |
674 | |
675 | fclose(fp); |
676 | |
677 | close(fdFac); |
678 | close(fdIntr); |
679 | close(fdProc); |
680 | close(fd); |
681 | for(i=0;i<cpu;i++) close(fdCpu[i]); |
682 | |
683 | } |
684 | |