int main(int argc, char ** argv){
- int fd, *fdCpu;
+ int fd, fdCpu;
FILE * fp;
int fdFac, fdIntr, fdProc;
char arch_size[BUFFER_SIZE];
int ltt_minor_version;
int ltt_log_cpu;
char buf[BUFFER_SIZE];
- int i,j;
+ int i,j, k;
uint8_t cpu_id;
struct stat lTDFStat;
off_t file_size;
int block_number, block_size;
- char * buffer, **buf_out, cpuStr[4*BUFFER_SIZE];
+ char * buffer, *buf_out, cpuStr[4*BUFFER_SIZE];
char * buf_fac, * buf_intr, * buf_proc;
- void ** write_pos, *write_pos_fac, * write_pos_intr, *write_pos_proc;
+ void * write_pos, *write_pos_fac, * write_pos_intr, *write_pos_proc;
trace_start *tStart;
trace_buffer_start *tBufStart;
trace_buffer_end *tBufEnd;
buffer_start end, end_proc, end_intr;
heartbeat beat;
int beat_count = 0;
- gboolean * has_event;
uint32_t size_lost;
int reserve_size = sizeof(buffer_start) + sizeof(uint16_t) + 2*sizeof(uint32_t);//lost_size and buffer_end event
+ int nb_para;
new_process process;
- if(argc != 4 && argc != 5){
- printf("need a trace file and cpu number or root directory for the new tracefile\n");
+ if(argc < 4){
+ printf("Not enough parameters\n");
exit(1);
}
- if(argc == 4){
+ cpu = atoi(argv[2]);
+ printf("cpu number = %d\n", cpu);
+ nb_para = 3 + cpu;
+
+ if(argc != nb_para && argc != nb_para+1){
+ printf("need trace files and cpu number or root directory for the new tracefile\n");
+ exit(1);
+ }
+
+ if(argc == nb_para){
strcpy(foo, "foo");
strcpy(foo_eventdefs, "foo/eventdefs");
strcpy(foo_control, "foo/control");
strcpy(foo_cpu, "foo/cpu");
strcpy(foo_info, "foo/info");
}else{
- strcpy(foo, argv[4]);
- strcpy(foo_eventdefs, argv[4]);
+ strcpy(foo, argv[nb_para]);
+ strcpy(foo_eventdefs, argv[nb_para]);
strcat(foo_eventdefs,"/eventdefs");
- strcpy(foo_control, argv[4]);
+ strcpy(foo_control, argv[nb_para]);
strcat(foo_control,"/control");
- strcpy(foo_cpu, argv[4]);
+ strcpy(foo_cpu, argv[nb_para]);
strcat(foo_cpu,"/cpu");
- strcpy(foo_info, argv[4]);
+ strcpy(foo_info, argv[nb_para]);
strcat(foo_info,"/info");
}
strcpy(foo_control_facilities, foo_control);
strcpy(foo_info_system, foo_info);
strcat(foo_info_system, "/system.xml");
- cpu = atoi(argv[3]);
- printf("cpu number = %d\n", cpu);
-
getDataEndianType(arch_size, endian);
printf("Arch_size: %s, Endian: %s\n", arch_size, endian);
g_error("Unable to open file system.xml\n");
}
- fd = open(argv[1], O_RDONLY, 0);
- if(fd < 0){
- g_error("Unable to open input data file %s\n", argv[1]);
- }
-
fdFac = open(foo_control_facilities,O_CREAT | O_RDWR | O_TRUNC,S_IRUSR |S_IWUSR | S_IRGRP | S_IROTH);
if(fdFac < 0){
g_error("Unable to open file facilities\n");
}
-
- if(fstat(fd, &lTDFStat) < 0){
- g_error("Unable to get the status of the input data file\n");
- }
- file_size = lTDFStat.st_size;
-
- buffer = g_new(char, 4000);
- readFile(fd,(void*)buffer, 3500, "Unable to read block header");
-
- cur_pos= buffer;
- evId = *(uint8_t *)cur_pos;
- cur_pos += sizeof(uint8_t);
- newId = evId;
- time_delta = *(uint32_t*)cur_pos;
- cur_pos += sizeof(uint32_t);
- tBufStart = (trace_buffer_start*)cur_pos;
- cur_pos += sizeof(trace_buffer_start);
- cur_pos += sizeof(uint16_t); //Skip event size
-
- evId = *(uint8_t *)cur_pos;
- cur_pos += sizeof(uint8_t);
- cur_pos += sizeof(uint32_t);
- tStart = (trace_start*)cur_pos;
-
- startId = newId;
- startTimeDelta = time_delta;
- start.seconds = tBufStart->Time.tv_sec;
- start.nanoseconds = tBufStart->Time.tv_usec;
- start.cycle_count = tBufStart->TSC;
- start.block_id = tBufStart->ID;
- end.block_id = start.block_id;
-
- ltt_major_version = tStart->MajorVersion;
- ltt_minor_version = tStart->MinorVersion;
- ltt_block_size = tStart->BufferSize;
- ltt_log_cpu = tStart->LogCPUID;
-
- block_size = ltt_block_size;
- block_number = file_size/block_size;
-
- g_free(buffer);
- buffer = g_new(char, block_size);
- buf_fac = g_new(char, block_size);
- write_pos_fac = buf_fac;
- buf_intr = g_new(char, block_size);
- write_pos_intr = buf_intr;
- buf_proc = g_new(char, block_size);
- write_pos_proc = buf_proc;
-
- buf_out = g_new(char*,cpu);
- write_pos = g_new(void*, cpu);
- fdCpu = g_new(int, cpu);
- has_event = g_new(gboolean, cpu);
- for(i=0;i<cpu;i++){
- has_event[i] = FALSE;
- if(i==0)has_event[i] = TRUE;
- buf_out[i] = g_new(char, block_size);
- write_pos[i] = NULL;;
- sprintf(cpuStr,"%s/%d\0",foo_cpu,i);
- fdCpu[i] = open(cpuStr, O_CREAT | O_RDWR | O_TRUNC,S_IRUSR |S_IWUSR | S_IRGRP | S_IROTH); //for cpu i
- if(fdCpu[i] < 0) g_error("Unable to open cpu file %d\n", i);
- }
- lseek(fd,0,SEEK_SET);
-
-
- for(i=0;i<block_number;i++){
- int event_count = 0;
- beat_count = 0;
-
- for(j=1;j<cpu;j++)has_event[j] = FALSE;
- for(j=0;j<cpu;j++){
- memset((void*)buf_out[j], 0, block_size);
- write_pos[j] = buf_out[j];
+ for(k=0;k<cpu;k++){
+ fd = open(argv[nb_para-1+k], O_RDONLY, 0);
+ if(fd < 0){
+ g_error("Unable to open input data file %s\n", argv[nb_para-1+k]);
}
- memset((void*)buf_intr, 0, block_size);
- memset((void*)buf_fac, 0, block_size);
- memset((void*)buf_proc, 0, block_size);
- write_pos_intr = buf_intr;
- write_pos_fac = buf_fac;
- write_pos_proc = buf_proc;
-
- memset((void*)buffer,0,block_size);
- readFile(fd,(void*)buffer, block_size, "Unable to read block header");
+
+ if(fstat(fd, &lTDFStat) < 0){
+ g_error("Unable to get the status of the input data file\n");
+ }
+ file_size = lTDFStat.st_size;
+ buffer = g_new(char, 4000);
+ readFile(fd,(void*)buffer, 3500, "Unable to read block header");
+
cur_pos= buffer;
evId = *(uint8_t *)cur_pos;
cur_pos += sizeof(uint8_t);
cur_pos += sizeof(trace_buffer_start);
cur_pos += sizeof(uint16_t); //Skip event size
+ evId = *(uint8_t *)cur_pos;
+ cur_pos += sizeof(uint8_t);
+ cur_pos += sizeof(uint32_t);
+ tStart = (trace_start*)cur_pos;
+
startId = newId;
startTimeDelta = time_delta;
- previous_time_delta = time_delta;
start.seconds = tBufStart->Time.tv_sec;
start.nanoseconds = tBufStart->Time.tv_usec;
start.cycle_count = tBufStart->TSC;
start.block_id = tBufStart->ID;
end.block_id = start.block_id;
- end_pos = buffer + block_size; //end of the buffer
- size_lost = *(uint32_t*)(end_pos - sizeof(uint32_t));
-
- end_pos = buffer + block_size - size_lost ; //buffer_end event
- if(ltt_log_cpu){
- tBufEnd = (trace_buffer_end*)(end_pos + 2 * sizeof(uint8_t)+sizeof(uint32_t));
- }else{
- tBufEnd = (trace_buffer_end*)(end_pos+sizeof(uint8_t)+sizeof(uint32_t));
- }
- end.seconds = tBufEnd->Time.tv_sec;
- end.nanoseconds = tBufEnd->Time.tv_usec;
- end.cycle_count = tBufEnd->TSC;
-
- //skip buffer start and trace start events
- if(i==0) //the first block
- cur_pos = buffer + sizeof(trace_buffer_start) + sizeof(trace_start) + 2*(sizeof(uint8_t)+sizeof(uint16_t)+sizeof(uint32_t));
- else //other blocks
- cur_pos = buffer + sizeof(trace_buffer_start) + sizeof(uint8_t)+sizeof(uint16_t)+sizeof(uint32_t);
-
- //for cpu 0, always make records
- write_to_buffer(write_pos[0],(void*)&startId, sizeof(uint16_t));
- write_to_buffer(write_pos[0],(void*)&startTimeDelta, sizeof(uint32_t));
- write_to_buffer(write_pos[0],(void*)&start, sizeof(buffer_start));
-
- //write start block event into processes and interrupts files
- write_to_buffer(write_pos_intr,(void*)&startId, sizeof(uint16_t));
- write_to_buffer(write_pos_intr,(void*)&startTimeDelta, sizeof(uint32_t));
- start_intr = start;
- start_intr.nanoseconds -= 20;
- write_to_buffer(write_pos_intr,(void*)&start_intr, sizeof(buffer_start));
-
- write_to_buffer(write_pos_proc,(void*)&startId, sizeof(uint16_t));
- write_to_buffer(write_pos_proc,(void*)&startTimeDelta, sizeof(uint32_t));
- start_proc = start;
- start_proc.nanoseconds -= 40;
- write_to_buffer(write_pos_proc,(void*)&start_proc, sizeof(buffer_start));
-
- //parse *.proc file to get process and irq info
- if(i == 0){
- int lIntID; /* Interrupt ID */
- int lPID, lPPID; /* Process PID and Parent PID */
- char lName[256]; /* Process name */
- FILE * fProc;
- uint16_t defaultId;
- trace_irq_entry irq;
-
- fProc = fopen(argv[2],"r");
- if(!fProc){
- g_error("Unable to open file %s\n", argv[2]);
- }
-
- while(fscanf(fProc, "PID: %d; PPID: %d; NAME: %s\n", &lPID, &lPPID, lName) > 0){
- defaultId = PROCESS_FORK_ID;
- process.event_data1 = lPID;
- process.event_data2 = lPPID;
- write_to_buffer(write_pos_proc,(void*)&defaultId, sizeof(uint16_t));
- write_to_buffer(write_pos_proc,(void*)&startTimeDelta, sizeof(uint32_t));
- write_to_buffer(write_pos_proc,(void*)&process, sizeof(new_process));
- }
+ ltt_major_version = tStart->MajorVersion;
+ ltt_minor_version = tStart->MinorVersion;
+ ltt_block_size = tStart->BufferSize;
+ ltt_log_cpu = tStart->LogCPUID;
- while(fscanf(fProc, "IRQ: %d; NAME: ", &lIntID) > 0){
- /* Read 'til the end of the line */
- fgets(lName, 200, fProc);
+ block_size = ltt_block_size;
+ block_number = file_size/block_size;
- defaultId = TRACE_IRQ_ENTRY;
- irq.irq_id = lIntID;
- irq.kernel = 1;
- write_to_buffer(write_pos_intr,(void*)&defaultId, sizeof(uint16_t));
- write_to_buffer(write_pos_intr,(void*)&startTimeDelta, sizeof(uint32_t));
- write_to_buffer(write_pos_intr,(void*)&irq, sizeof(trace_irq_entry));
- }
- fclose(fProc);
- }
-
- while(1){
- int event_size;
- uint64_t timeDelta;
- uint8_t subId;
+ g_free(buffer);
+ buffer = g_new(char, block_size);
+ buf_fac = g_new(char, block_size);
+ write_pos_fac = buf_fac;
+ buf_intr = g_new(char, block_size);
+ write_pos_intr = buf_intr;
+ buf_proc = g_new(char, block_size);
+ write_pos_proc = buf_proc;
- if(ltt_log_cpu){
- cpu_id = *(uint8_t*)cur_pos;
- cur_pos += sizeof(uint8_t);
- if(cpu_id != 0 && has_event[cpu_id] == FALSE){
- has_event[cpu_id] = TRUE;
- write_to_buffer(write_pos[cpu_id],(void*)&startId,sizeof(uint16_t));
- write_to_buffer(write_pos[cpu_id],(void*)&startTimeDelta, sizeof(uint32_t));
- write_to_buffer(write_pos[cpu_id],(void*)&start, sizeof(buffer_start));
- }
- }
+ buf_out = g_new(char, block_size);
+ write_pos = buf_out;
+ sprintf(cpuStr,"%s/%d\0",foo_cpu,k);
+ fdCpu = open(cpuStr, O_CREAT | O_RDWR | O_TRUNC,S_IRUSR |S_IWUSR | S_IRGRP | S_IROTH); //for cpu k
+ if(fdCpu < 0) g_error("Unable to open cpu file %d\n", k);
+ lseek(fd,0,SEEK_SET);
+
+ for(i=0;i<block_number;i++){
+ int event_count = 0;
+ beat_count = 0;
+
+ memset((void*)buf_out, 0, block_size);
+ write_pos = buf_out;
+ memset((void*)buf_intr, 0, block_size);
+ memset((void*)buf_fac, 0, block_size);
+ memset((void*)buf_proc, 0, block_size);
+ write_pos_intr = buf_intr;
+ write_pos_fac = buf_fac;
+ write_pos_proc = buf_proc;
+
+ memset((void*)buffer,0,block_size);
+ readFile(fd,(void*)buffer, block_size, "Unable to read block header");
+
+ cur_pos= buffer;
evId = *(uint8_t *)cur_pos;
- newId = evId;
- if(evId == TRACE_HEARTBEAT) {
- newId = TRACE_HEARTBEAT_ID;
- }
cur_pos += sizeof(uint8_t);
+ newId = evId;
time_delta = *(uint32_t*)cur_pos;
cur_pos += sizeof(uint32_t);
+ tBufStart = (trace_buffer_start*)cur_pos;
+ cur_pos += sizeof(trace_buffer_start);
+ cur_pos += sizeof(uint16_t); //Skip event size
- if(time_delta < previous_time_delta){
- end.cycle_count += OVERFLOW_FIGURE;
- }
+ startId = newId;
+ startTimeDelta = time_delta;
previous_time_delta = time_delta;
-
+ start.seconds = tBufStart->Time.tv_sec;
+ start.nanoseconds = tBufStart->Time.tv_usec;
+ start.cycle_count = tBufStart->TSC;
+ start.block_id = tBufStart->ID;
+ end.block_id = start.block_id;
+
+ end_pos = buffer + block_size; //end of the buffer
+ size_lost = *(uint32_t*)(end_pos - sizeof(uint32_t));
+
+ end_pos = buffer + block_size - size_lost ; //buffer_end event
if(ltt_log_cpu){
- write_to_buffer(write_pos[cpu_id],(void*)&newId,sizeof(uint16_t));
- write_to_buffer(write_pos[cpu_id],(void*)&time_delta, sizeof(uint32_t));
- }else{
- write_to_buffer(write_pos[0],(void*)&newId,sizeof(uint16_t));
- write_to_buffer(write_pos[0],(void*)&time_delta, sizeof(uint32_t));
+ tBufEnd = (trace_buffer_end*)(end_pos + 2 * sizeof(uint8_t)+sizeof(uint32_t));
+ }else{
+ tBufEnd = (trace_buffer_end*)(end_pos+sizeof(uint8_t)+sizeof(uint32_t));
}
+ end.seconds = tBufEnd->Time.tv_sec;
+ end.nanoseconds = tBufEnd->Time.tv_usec;
+ end.cycle_count = tBufEnd->TSC;
+
+ //skip buffer start and trace start events
+ if(i==0) //the first block
+ cur_pos = buffer + sizeof(trace_buffer_start) + sizeof(trace_start) + 2*(sizeof(uint8_t)+sizeof(uint16_t)+sizeof(uint32_t));
+ else //other blocks
+ cur_pos = buffer + sizeof(trace_buffer_start) + sizeof(uint8_t)+sizeof(uint16_t)+sizeof(uint32_t);
- if(evId == TRACE_BUFFER_END){
- if(ltt_log_cpu){
- int size, i;
- if(has_event[i])
- write_to_buffer(write_pos[cpu_id],(void*)&end,sizeof(buffer_start));
- for(i=0;i<cpu;i++){
- if(has_event[i]){
- size = block_size + ((void*)buf_out[i] - write_pos[i])+ sizeof(uint16_t) + sizeof(uint32_t);
- write_pos[i] = buf_out[i] + block_size - sizeof(uint32_t);
- write_to_buffer(write_pos[i],(void*)&size, sizeof(uint32_t));
- write(fdCpu[i],(void*)buf_out[i], block_size);
- }
- }
- }else {
- int size = block_size + ((void*)buf_out[0] - write_pos[0])+ sizeof(uint16_t) + sizeof(uint32_t);
- write_to_buffer(write_pos[0],(void*)&end,sizeof(buffer_start));
- write_pos[0] = buf_out[0] + block_size - sizeof(uint32_t);
- write_to_buffer(write_pos[0],(void*)&size, sizeof(uint32_t));
- write(fdCpu[0],(void*)buf_out[0], block_size);
+ //write start block event
+ write_to_buffer(write_pos,(void*)&startId, sizeof(uint16_t));
+ write_to_buffer(write_pos,(void*)&startTimeDelta, sizeof(uint32_t));
+ write_to_buffer(write_pos,(void*)&start, sizeof(buffer_start));
+
+ //write start block event into processes and interrupts files
+ write_to_buffer(write_pos_intr,(void*)&startId, sizeof(uint16_t));
+ write_to_buffer(write_pos_intr,(void*)&startTimeDelta, sizeof(uint32_t));
+ start_intr = start;
+ start_intr.nanoseconds -= 20;
+ write_to_buffer(write_pos_intr,(void*)&start_intr, sizeof(buffer_start));
+
+ write_to_buffer(write_pos_proc,(void*)&startId, sizeof(uint16_t));
+ write_to_buffer(write_pos_proc,(void*)&startTimeDelta, sizeof(uint32_t));
+ start_proc = start;
+ start_proc.nanoseconds -= 40;
+ write_to_buffer(write_pos_proc,(void*)&start_proc, sizeof(buffer_start));
+
+ //parse *.proc file to get process and irq info
+ if(i == 0){
+ int lIntID; /* Interrupt ID */
+ int lPID, lPPID; /* Process PID and Parent PID */
+ char lName[256]; /* Process name */
+ FILE * fProc;
+ uint16_t defaultId;
+ trace_irq_entry irq;
+
+ fProc = fopen(argv[1],"r");
+ if(!fProc){
+ g_error("Unable to open file %s\n", argv[1]);
}
-
- //write out processes and intrrupts files
- {
- int size_intr = block_size - (write_pos_intr - (void*)buf_intr);
- int size_proc = block_size - (write_pos_proc - (void*)buf_proc);
- write_to_buffer(write_pos_intr,(void*)&newId,sizeof(uint16_t));
- write_to_buffer(write_pos_intr,(void*)&time_delta, sizeof(uint32_t));
- end_intr = end;
- end_intr.nanoseconds -= 20;
- write_to_buffer(write_pos_intr,(void*)&end_intr,sizeof(buffer_start));
-
- write_to_buffer(write_pos_proc,(void*)&newId,sizeof(uint16_t));
- write_to_buffer(write_pos_proc,(void*)&time_delta, sizeof(uint32_t));
- end_proc = end;
- end_proc.nanoseconds -= 40;
- write_to_buffer(write_pos_proc,(void*)&end_proc,sizeof(buffer_start));
-
- write_pos_intr = buf_intr + block_size - sizeof(uint32_t);
- write_pos_proc = buf_proc + block_size - sizeof(uint32_t);
- write_to_buffer(write_pos_intr,(void*)&size_intr, sizeof(uint32_t));
- write_to_buffer(write_pos_proc,(void*)&size_proc, sizeof(uint32_t));
- //for now don't output processes and interrupt information
- // write(fdIntr,(void*)buf_intr,block_size);
- // write(fdProc,(void*)buf_proc,block_size);
+
+ while(fscanf(fProc, "PID: %d; PPID: %d; NAME: %s\n", &lPID, &lPPID, lName) > 0){
+ defaultId = PROCESS_FORK_ID;
+ process.event_data1 = lPID;
+ process.event_data2 = lPPID;
+ write_to_buffer(write_pos_proc,(void*)&defaultId, sizeof(uint16_t));
+ write_to_buffer(write_pos_proc,(void*)&startTimeDelta, sizeof(uint32_t));
+ write_to_buffer(write_pos_proc,(void*)&process, sizeof(new_process));
+ }
+
+ while(fscanf(fProc, "IRQ: %d; NAME: ", &lIntID) > 0){
+ /* Read 'til the end of the line */
+ fgets(lName, 200, fProc);
+
+ defaultId = TRACE_IRQ_ENTRY;
+ irq.irq_id = lIntID;
+ irq.kernel = 1;
+ write_to_buffer(write_pos_intr,(void*)&defaultId, sizeof(uint16_t));
+ write_to_buffer(write_pos_intr,(void*)&startTimeDelta, sizeof(uint32_t));
+ write_to_buffer(write_pos_intr,(void*)&irq, sizeof(trace_irq_entry));
}
- break;
+ fclose(fProc);
}
- event_count++;
- switch(evId){
- case TRACE_SYSCALL_ENTRY:
- event_size = sizeof(trace_syscall_entry);
- break;
- case TRACE_SYSCALL_EXIT:
- event_size = 0;
- break;
- case TRACE_TRAP_ENTRY:
- event_size = sizeof(trace_trap_entry);
- break;
- case TRACE_TRAP_EXIT:
- event_size = 0;
- break;
- case TRACE_IRQ_ENTRY:
- event_size = sizeof(trace_irq_entry);
- timeDelta = time_delta;
- write_to_buffer(write_pos_intr,(void*)&newId, sizeof(uint16_t));
- write_to_buffer(write_pos_intr,(void*)&timeDelta, sizeof(uint32_t));
- write_to_buffer(write_pos_intr,cur_pos, event_size);
- break;
- case TRACE_IRQ_EXIT:
- event_size = 0;
- timeDelta = time_delta;
- write_to_buffer(write_pos_intr,(void*)&newId, sizeof(uint16_t));
- write_to_buffer(write_pos_intr,(void*)&timeDelta, sizeof(uint32_t));
- break;
- case TRACE_SCHEDCHANGE:
- event_size = sizeof(trace_schedchange);
- break;
- case TRACE_KERNEL_TIMER:
- event_size = 0;
- break;
- case TRACE_SOFT_IRQ:
- event_size = sizeof(trace_soft_irq);
- // timeDelta = time_delta;
- // write_to_buffer(write_pos_intr,(void*)&newId, sizeof(uint16_t));
- // write_to_buffer(write_pos_intr,(void*)&timeDelta, sizeof(uint32_t));
- // write_to_buffer(write_pos_intr,cur_pos, event_size);
- break;
- case TRACE_PROCESS:
- event_size = sizeof(trace_process);
- timeDelta = time_delta;
- subId = *(uint8_t*)cur_pos;
- if(subId == TRACE_PROCESS_FORK || subId ==TRACE_PROCESS_EXIT){
- if( subId == TRACE_PROCESS_FORK)tmpId = PROCESS_FORK_ID;
- else tmpId = PROCESS_EXIT_ID;
- write_to_buffer(write_pos_proc,(void*)&tmpId, sizeof(uint16_t));
- write_to_buffer(write_pos_proc,(void*)&timeDelta, sizeof(uint32_t));
-
- process = *(new_process*)(cur_pos + sizeof(uint8_t));
- write_to_buffer(write_pos_proc,(void*)&process, sizeof(new_process));
- }
- break;
- case TRACE_FILE_SYSTEM:
- event_size = sizeof(trace_file_system)- sizeof(char*);
- break;
- case TRACE_TIMER:
- event_size = sizeof(trace_timer);
- break;
- case TRACE_MEMORY:
- event_size = sizeof(trace_memory);
- break;
- case TRACE_SOCKET:
- event_size = sizeof(trace_socket);
- break;
- case TRACE_IPC:
- event_size = sizeof(trace_ipc);
- break;
- case TRACE_NETWORK:
- event_size = sizeof(trace_network);
- break;
- case TRACE_HEARTBEAT:
- beat_count++;
- beat.seconds = 0;
- beat.nanoseconds = 0;
- beat.cycle_count = start.cycle_count + beat_count * OVERFLOW_FIGURE;
- event_size = 0;
-
- // end.cycle_count += OVERFLOW_FIGURE;
-
- write_to_buffer(write_pos_intr,(void*)&newId, sizeof(uint16_t));
- write_to_buffer(write_pos_intr,(void*)&timeDelta, sizeof(uint32_t));
- write_to_buffer(write_pos_intr,(void*)&beat, sizeof(heartbeat));
- write_to_buffer(write_pos_proc,(void*)&newId, sizeof(uint16_t));
- write_to_buffer(write_pos_proc,(void*)&timeDelta, sizeof(uint32_t));
- write_to_buffer(write_pos_proc,(void*)&beat, sizeof(heartbeat));
- break;
- default:
- event_size = -1;
- break;
- }
- if(evId != TRACE_FILE_SYSTEM && event_size >=0){
+ while(1){
+ int event_size;
+ uint64_t timeDelta;
+ uint8_t subId;
+
if(ltt_log_cpu){
- write_to_buffer(write_pos[cpu_id], cur_pos, event_size);
- }else{
- write_to_buffer(write_pos[0], cur_pos, event_size);
+ cpu_id = *(uint8_t*)cur_pos;
+ cur_pos += sizeof(uint8_t);
+ }
+ evId = *(uint8_t *)cur_pos;
+ newId = evId;
+ if(evId == TRACE_HEARTBEAT) {
+ newId = TRACE_HEARTBEAT_ID;
}
+ cur_pos += sizeof(uint8_t);
+ time_delta = *(uint32_t*)cur_pos;
+ cur_pos += sizeof(uint32_t);
- if(evId == TRACE_HEARTBEAT){
- if(ltt_log_cpu){
- write_to_buffer(write_pos[cpu_id],(void*)&beat , sizeof(heartbeat));
- }else{
- write_to_buffer(write_pos[0], (void*)&beat, sizeof(heartbeat));
- }
+ if(time_delta < previous_time_delta){
+ end.cycle_count += OVERFLOW_FIGURE;
}
+ previous_time_delta = time_delta;
- cur_pos += event_size + sizeof(uint16_t); //skip data_size
- }else if(evId == TRACE_FILE_SYSTEM){
- size_t nbBytes;
- char c = '\0';
- tFileSys = (trace_file_system*)cur_pos;
- subId = tFileSys->event_sub_id;
- if(subId == TRACE_FILE_SYSTEM_OPEN || subId == TRACE_FILE_SYSTEM_EXEC){
- nbBytes = tFileSys->event_data2 +1;
- }else nbBytes = 0;
+ //write event_id and time_delta
+ write_to_buffer(write_pos,(void*)&newId,sizeof(uint16_t));
+ write_to_buffer(write_pos,(void*)&time_delta, sizeof(uint32_t));
+
+ if(evId == TRACE_BUFFER_END){
+ int size = block_size + ((void*)buf_out - write_pos)+ sizeof(uint16_t) + sizeof(uint32_t);
+ write_to_buffer(write_pos,(void*)&end,sizeof(buffer_start));
+ write_pos = buf_out + block_size - sizeof(uint32_t);
+ write_to_buffer(write_pos,(void*)&size, sizeof(uint32_t));
+ write(fdCpu,(void*)buf_out, block_size);
+
+ //write out processes and intrrupts files
+ {
+ int size_intr = block_size - (write_pos_intr - (void*)buf_intr);
+ int size_proc = block_size - (write_pos_proc - (void*)buf_proc);
+ write_to_buffer(write_pos_intr,(void*)&newId,sizeof(uint16_t));
+ write_to_buffer(write_pos_intr,(void*)&time_delta, sizeof(uint32_t));
+ end_intr = end;
+ end_intr.nanoseconds -= 20;
+ write_to_buffer(write_pos_intr,(void*)&end_intr,sizeof(buffer_start));
+
+ write_to_buffer(write_pos_proc,(void*)&newId,sizeof(uint16_t));
+ write_to_buffer(write_pos_proc,(void*)&time_delta, sizeof(uint32_t));
+ end_proc = end;
+ end_proc.nanoseconds -= 40;
+ write_to_buffer(write_pos_proc,(void*)&end_proc,sizeof(buffer_start));
+
+ write_pos_intr = buf_intr + block_size - sizeof(uint32_t);
+ write_pos_proc = buf_proc + block_size - sizeof(uint32_t);
+ write_to_buffer(write_pos_intr,(void*)&size_intr, sizeof(uint32_t));
+ write_to_buffer(write_pos_proc,(void*)&size_proc, sizeof(uint32_t));
+ //for now don't output processes and interrupt information
+ // write(fdIntr,(void*)buf_intr,block_size);
+ // write(fdProc,(void*)buf_proc,block_size);
+ }
+ break;
+ }
- if(ltt_log_cpu){
- write_to_buffer(write_pos[cpu_id], cur_pos, event_size);
- cur_pos += event_size + sizeof(char*);
- if(nbBytes){
- write_to_buffer(write_pos[cpu_id], cur_pos, nbBytes);
- }else{
- write_to_buffer(write_pos[cpu_id], (void*)&c, 1);
+ event_count++;
+ switch(evId){
+ case TRACE_SYSCALL_ENTRY:
+ event_size = sizeof(trace_syscall_entry);
+ break;
+ case TRACE_SYSCALL_EXIT:
+ event_size = 0;
+ break;
+ case TRACE_TRAP_ENTRY:
+ event_size = sizeof(trace_trap_entry);
+ break;
+ case TRACE_TRAP_EXIT:
+ event_size = 0;
+ break;
+ case TRACE_IRQ_ENTRY:
+ event_size = sizeof(trace_irq_entry);
+ timeDelta = time_delta;
+ write_to_buffer(write_pos_intr,(void*)&newId, sizeof(uint16_t));
+ write_to_buffer(write_pos_intr,(void*)&timeDelta, sizeof(uint32_t));
+ write_to_buffer(write_pos_intr,cur_pos, event_size);
+ break;
+ case TRACE_IRQ_EXIT:
+ event_size = 0;
+ timeDelta = time_delta;
+ write_to_buffer(write_pos_intr,(void*)&newId, sizeof(uint16_t));
+ write_to_buffer(write_pos_intr,(void*)&timeDelta, sizeof(uint32_t));
+ break;
+ case TRACE_SCHEDCHANGE:
+ event_size = sizeof(trace_schedchange);
+ break;
+ case TRACE_KERNEL_TIMER:
+ event_size = 0;
+ break;
+ case TRACE_SOFT_IRQ:
+ event_size = sizeof(trace_soft_irq);
+ // timeDelta = time_delta;
+ // write_to_buffer(write_pos_intr,(void*)&newId, sizeof(uint16_t));
+ // write_to_buffer(write_pos_intr,(void*)&timeDelta, sizeof(uint32_t));
+ // write_to_buffer(write_pos_intr,cur_pos, event_size);
+ break;
+ case TRACE_PROCESS:
+ event_size = sizeof(trace_process);
+ timeDelta = time_delta;
+ subId = *(uint8_t*)cur_pos;
+ if(subId == TRACE_PROCESS_FORK || subId ==TRACE_PROCESS_EXIT){
+ if( subId == TRACE_PROCESS_FORK)tmpId = PROCESS_FORK_ID;
+ else tmpId = PROCESS_EXIT_ID;
+ write_to_buffer(write_pos_proc,(void*)&tmpId, sizeof(uint16_t));
+ write_to_buffer(write_pos_proc,(void*)&timeDelta, sizeof(uint32_t));
+
+ process = *(new_process*)(cur_pos + sizeof(uint8_t));
+ write_to_buffer(write_pos_proc,(void*)&process, sizeof(new_process));
+ }
+ break;
+ case TRACE_FILE_SYSTEM:
+ event_size = sizeof(trace_file_system)- sizeof(char*);
+ break;
+ case TRACE_TIMER:
+ event_size = sizeof(trace_timer);
+ break;
+ case TRACE_MEMORY:
+ event_size = sizeof(trace_memory);
+ break;
+ case TRACE_SOCKET:
+ event_size = sizeof(trace_socket);
+ break;
+ case TRACE_IPC:
+ event_size = sizeof(trace_ipc);
+ break;
+ case TRACE_NETWORK:
+ event_size = sizeof(trace_network);
+ break;
+ case TRACE_HEARTBEAT:
+ beat_count++;
+ beat.seconds = 0;
+ beat.nanoseconds = 0;
+ beat.cycle_count = start.cycle_count + beat_count * OVERFLOW_FIGURE;
+ event_size = 0;
+
+ // end.cycle_count += OVERFLOW_FIGURE;
+
+ write_to_buffer(write_pos_intr,(void*)&newId, sizeof(uint16_t));
+ write_to_buffer(write_pos_intr,(void*)&timeDelta, sizeof(uint32_t));
+ write_to_buffer(write_pos_intr,(void*)&beat, sizeof(heartbeat));
+ write_to_buffer(write_pos_proc,(void*)&newId, sizeof(uint16_t));
+ write_to_buffer(write_pos_proc,(void*)&timeDelta, sizeof(uint32_t));
+ write_to_buffer(write_pos_proc,(void*)&beat, sizeof(heartbeat));
+ break;
+ default:
+ event_size = -1;
+ break;
+ }
+ if(evId != TRACE_FILE_SYSTEM && event_size >=0){
+ write_to_buffer(write_pos, cur_pos, event_size);
+
+ if(evId == TRACE_HEARTBEAT){
+ write_to_buffer(write_pos, (void*)&beat, sizeof(heartbeat));
}
- }else{
- write_to_buffer(write_pos[0], cur_pos, event_size);
+
+ cur_pos += event_size + sizeof(uint16_t); //skip data_size
+ }else if(evId == TRACE_FILE_SYSTEM){
+ size_t nbBytes;
+ char c = '\0';
+ tFileSys = (trace_file_system*)cur_pos;
+ subId = tFileSys->event_sub_id;
+ if(subId == TRACE_FILE_SYSTEM_OPEN || subId == TRACE_FILE_SYSTEM_EXEC){
+ nbBytes = tFileSys->event_data2 +1;
+ }else nbBytes = 0;
+
+ write_to_buffer(write_pos, cur_pos, event_size);
cur_pos += event_size + sizeof(char*);
if(nbBytes){
- write_to_buffer(write_pos[0], cur_pos, nbBytes);
+ write_to_buffer(write_pos, cur_pos, nbBytes);
}else{
- write_to_buffer(write_pos[0], (void*)&c, 1);
+ write_to_buffer(write_pos, (void*)&c, 1);
}
+ cur_pos += nbBytes + sizeof(uint16_t); //skip data_size
+ }else if(event_size == -1){
+ printf("Unknown event: evId=%d, i=%d, event_count=%d\n", newId, i, event_count);
+ exit(1);
}
- cur_pos += nbBytes + sizeof(uint16_t); //skip data_size
- }else if(event_size == -1){
- printf("Unknown event: evId=%d, i=%d, event_count=%d\n", newId, i, event_count);
- exit(1);
- }
- } //end while(1)
-
+ } //end while(1)
+ }
+ close(fd);
+ close(fdCpu);
+ g_free(buffer);
+ buffer = NULL;
+ g_free(buf_fac);
+ g_free(buf_intr);
+ g_free(buf_proc);
+ g_free(buf_out);
}
fprintf(fp,"</system>\n");
fflush(fp);
- fclose(fp);
-
close(fdFac);
close(fdIntr);
close(fdProc);
- close(fd);
- for(i=0;i<cpu;i++) close(fdCpu[i]);
+ fclose(fp);
}
projects / lttv.git / commitdiff
