off_t file_size;
int block_number, block_size;
char * buffer, **buf_out, cpuStr[BUFFER_SIZE];
- void ** write_pos;
+ char * buf_fac, * buf_intr, * buf_proc;
+ void ** write_pos, *write_pos_fac, * write_pos_intr, *write_pos_proc;
trace_start *tStart;
trace_buffer_start *tBufStart;
trace_buffer_end *tBufEnd;
trace_file_system * tFileSys;
- uint16_t newId;
- uint8_t evId, startId;
+ uint16_t newId, startId;
+ uint8_t evId;
uint32_t time_delta, startTimeDelta;
void * cur_pos, *end_pos;
buffer_start start;
buffer = g_new(char, 4000);
readFile(fd,(void*)buffer, 3500, "Unable to read block header");
- cur_pos = buffer;
+ cur_pos= buffer;
evId = *(uint8_t *)cur_pos;
cur_pos += sizeof(uint8_t);
newId = evId;
evId = *(uint8_t *)cur_pos;
cur_pos += sizeof(uint8_t);
- time_delta = *(uint32_t*)cur_pos;
cur_pos += sizeof(uint32_t);
tStart = (trace_start*)cur_pos;
block_number = file_size/block_size;
g_free(buffer);
- buffer = g_new(char, block_size);
+ 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);
int event_count = 0;
beat_count = 0;
+ for(j=1;j<cpu;j++)has_event[j] = FALSE;
for(j=0;j<cpu;j++) write_pos[j] = buf_out[j];
+ write_pos_intr = buf_intr;
+ write_pos_fac = buf_fac;
+ write_pos_proc = buf_proc;
readFile(fd,(void*)buffer, block_size, "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
+
+ 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;
+
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
- tBufEnd = (trace_buffer_end*)end_pos;
+ 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;
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));
+ write_to_buffer(write_pos_intr,(void*)&start, 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));
+ write_to_buffer(write_pos_proc,(void*)&start, sizeof(buffer_start));
while(1){
int event_size;
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 out processes and intrrupts files
+ {
+ int size_intr =(int) (write_pos_intr - (void*)buf_intr);
+ int size_proc =(int) (write_pos_proc - (void*)buf_proc);
+ write_to_buffer(write_pos_intr,(void*)&end,sizeof(buffer_start));
+ write_to_buffer(write_pos_proc,(void*)&end,sizeof(buffer_start));
+ write_pos_intr = buf_intr + block_size - sizeof(uint32_t);
+ write_pos_proc = buf_intr + 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));
+ write(fdIntr,(void*)buf_intr,block_size);
+ write(fdProc,(void*)buf_proc,block_size);
+ }
break;
}
case TRACE_IRQ_ENTRY:
event_size = sizeof(trace_irq_entry);
timeDelta = time_delta;
- write(fdIntr,(void*)&newId, sizeof(uint16_t));
- write(fdIntr,(void*)&timeDelta, sizeof(uint64_t));
- write(fdIntr,cur_pos, event_size);
+ write_to_buffer(write_pos_intr,(void*)&newId, sizeof(uint16_t));
+ write_to_buffer(write_pos_intr,(void*)&timeDelta, sizeof(uint64_t));
+ write_to_buffer(write_pos_intr,cur_pos, event_size);
break;
case TRACE_IRQ_EXIT:
event_size = 0;
timeDelta = time_delta;
- write(fdIntr,(void*)&newId, sizeof(uint16_t));
- write(fdIntr,(void*)&timeDelta, sizeof(uint64_t));
+ write_to_buffer(write_pos_intr,(void*)&newId, sizeof(uint16_t));
+ write_to_buffer(write_pos_intr,(void*)&timeDelta, sizeof(uint64_t));
break;
case TRACE_SCHEDCHANGE:
event_size = sizeof(trace_schedchange);
case TRACE_SOFT_IRQ:
event_size = sizeof(trace_soft_irq);
timeDelta = time_delta;
- write(fdIntr,(void*)&newId, sizeof(uint16_t));
- write(fdIntr,(void*)&timeDelta, sizeof(uint64_t));
- write(fdIntr,cur_pos, event_size);
+ write_to_buffer(write_pos_intr,(void*)&newId, sizeof(uint16_t));
+ write_to_buffer(write_pos_intr,(void*)&timeDelta, sizeof(uint64_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){
- write(fdProc,(void*)&newId, sizeof(uint16_t));
- write(fdProc,(void*)&timeDelta, sizeof(uint64_t));
- write(fdProc,cur_pos, event_size);
+ write_to_buffer(write_pos_proc,(void*)&newId, sizeof(uint16_t));
+ write_to_buffer(write_pos_proc,(void*)&timeDelta, sizeof(uint64_t));
+ write_to_buffer(write_pos_proc,cur_pos, event_size);
}
break;
case TRACE_FILE_SYSTEM:
- event_size = sizeof(trace_file_system);
+ event_size = sizeof(trace_file_system)- sizeof(char*);
break;
case TRACE_TIMER:
event_size = sizeof(trace_timer);
if(evId == TRACE_HEARTBEAT){
if(ltt_log_cpu){
- write_to_buffer(write_pos[cpu_id], cur_pos, sizeof(heartbeat));
+ size_count[cpu_id] += sizeof(heartbeat);
+ write_to_buffer(write_pos[cpu_id],(void*)&beat , sizeof(heartbeat));
}else{
- write_to_buffer(write_pos[0], cur_pos, sizeof(heartbeat));
+ size_count[0] += sizeof(heartbeat);
+ write_to_buffer(write_pos[0], (void*)&beat, sizeof(heartbeat));
}
}
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;
- nbBytes += event_size;
-
- // printf("bytes : %d\n", nbBytes);
if(ltt_log_cpu){
size_count[cpu_id] += nbBytes + sizeof(uint16_t) + sizeof(uint32_t);
printf("size count exceeds the limit of the buffer\n");
exit(1);
}
- write_to_buffer(write_pos[cpu_id], cur_pos, nbBytes);
+ 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);
+ }
}else{
size_count[0] += nbBytes + sizeof(uint16_t) + sizeof(uint32_t);
if(size_count[0] > block_size - reserve_size){
printf("size count exceeds the limit of the buffer\n");
exit(1);
}
- write_to_buffer(write_pos[0], cur_pos, nbBytes);
+ write_to_buffer(write_pos[0], cur_pos, event_size);
+ cur_pos += event_size + sizeof(char*);
+ if(nbBytes){
+ write_to_buffer(write_pos[0], cur_pos, nbBytes);
+ }else{
+ write_to_buffer(write_pos[0], (void*)&c, 1);
+ }
}
cur_pos += nbBytes + sizeof(uint16_t); //skip data_size
}else if(event_size == -1){
projects / lttv.git / blobdiff