1 #include <stdio.h> 2 #include <stdlib.h> 3 #include <inttypes.h> 4 #include "trace_reader.h" 5 6 int main(int argc, char **argv) { 7 if (argc != 2) { 8 fprintf(stderr, "Usage: %s trace_file\n", argv[0]); 9 exit(1); 10 } 11 12 char *trace_filename = argv[1]; 13 TraceReaderBase *trace = new TraceReaderBase; 14 trace->Open(trace_filename); 15 16 while (1) { 17 PidEvent event; 18 if (trace->ReadPidEvent(&event)) 19 break; 20 switch (event.rec_type) { 21 case kPidFork: 22 printf("t%lld fork tgid %d pid %d\n", event.time, event.tgid, event.pid); 23 break; 24 case kPidClone: 25 printf("t%lld clone tgid %d pid %d\n", event.time, event.tgid, event.pid); 26 break; 27 case kPidSwitch: 28 printf("t%lld switch %d\n", event.time, event.pid); 29 break; 30 case kPidExit: 31 printf("t%lld exit %d\n", event.time, event.pid); 32 break; 33 case kPidMmap: 34 printf("t%lld mmap %08x - %08x, offset %08x '%s'\n", 35 event.time, event.vstart, event.vend, event.offset, event.path); 36 delete[] event.path; 37 break; 38 case kPidMunmap: 39 printf("t%lld munmap %08x - %08x\n", 40 event.time, event.vstart, event.vend); 41 break; 42 case kPidSymbolAdd: 43 printf("t%lld add sym %08x '%s'\n", 44 event.time, event.vstart, event.path); 45 delete[] event.path; 46 break; 47 case kPidSymbolRemove: 48 printf("t%lld remove %08x\n", event.time, event.vstart); 49 break; 50 case kPidExec: 51 printf("t%lld argc: %d\n", event.time, event.argc); 52 for (int ii = 0; ii < event.argc; ++ii) { 53 printf(" argv[%d]: %s\n", ii, event.argv[ii]); 54 delete[] event.argv[ii]; 55 } 56 delete[] event.argv; 57 break; 58 case kPidKthreadName: 59 printf("t%lld kthread tgid %d pid %d %s\n", 60 event.time, event.tgid, event.pid, event.path); 61 delete[] event.path; 62 break; 63 case kPidName: 64 printf("t%lld name %d %s\n", 65 event.time, event.pid, event.path); 66 delete[] event.path; 67 break; 68 } 69 } 70 return 0; 71 } 72
