1 #include <stdio.h> 2 #include <unistd.h> 3 #include <stdlib.h> 4 #include <inttypes.h> 5 #include <string.h> 6 #include "trace_reader.h" 7 #include "parse_options.h" 8 9 typedef TraceReader<> TraceReaderType; 10 11 #include "parse_options-inl.h" 12 13 // This function is called from quicksort to compare the cpu time 14 // of processes and sort into decreasing order. 15 int cmp_dec_cpu_time(const void *a, const void *b) { 16 ProcessState *proc1, *proc2; 17 18 proc1 = (ProcessState*)a; 19 proc2 = (ProcessState*)b; 20 if (proc1 == NULL) { 21 if (proc2 == NULL) 22 return 0; 23 return 1; 24 } 25 if (proc2 == NULL) 26 return -1; 27 if (proc1->cpu_time < proc2->cpu_time) 28 return 1; 29 if (proc1->cpu_time > proc2->cpu_time) 30 return -1; 31 // If the cpu_time times are the same, then sort into increasing 32 // order of pid. 33 return proc1->pid - proc2->pid; 34 } 35 36 void Usage(const char *program) 37 { 38 fprintf(stderr, "Usage: %s [options] trace_file\n", program); 39 OptionsUsage(); 40 } 41 42 int main(int argc, char **argv) { 43 // Parse the options 44 ParseOptions(argc, argv); 45 if (argc - optind != 1) { 46 Usage(argv[0]); 47 exit(1); 48 } 49 50 char *trace_filename = argv[optind]; 51 TraceReader<> *trace = new TraceReader<>; 52 trace->Open(trace_filename); 53 trace->SetRoot(root); 54 55 while (1) { 56 BBEvent event, ignored; 57 symbol_type *dummy_sym; 58 59 if (GetNextValidEvent(trace, &event, &ignored, &dummy_sym)) 60 break; 61 } 62 63 int num_procs; 64 ProcessState *processes = trace->GetProcesses(&num_procs); 65 qsort(processes, num_procs, sizeof(ProcessState), cmp_dec_cpu_time); 66 67 uint64_t total_time = 0; 68 for (int ii = 0; ii < num_procs; ++ii) { 69 total_time += processes[ii].cpu_time; 70 } 71 72 uint64_t sum_time = 0; 73 printf(" pid parent cpu_time %% %% flags argv\n"); 74 ProcessState *pstate = &processes[0]; 75 for (int ii = 0; ii < num_procs; ++ii, ++pstate) { 76 sum_time += pstate->cpu_time; 77 double per = 100.0 * pstate->cpu_time / total_time; 78 double sum_per = 100.0 * sum_time / total_time; 79 const char *print_flags = ""; 80 if ((pstate->flags & ProcessState::kCalledExec) == 0) 81 print_flags = "T"; 82 if (pstate->name == NULL) 83 pstate->name = ""; 84 printf("%5d %5d %10llu %6.2f %6.2f %5s %s", 85 pstate->pid, pstate->parent_pid, pstate->cpu_time, 86 per, sum_per, print_flags, pstate->name); 87 for (int jj = 1; jj < pstate->argc; ++jj) { 88 printf(" %s", pstate->argv[jj]); 89 } 90 printf("\n"); 91 } 92 delete trace; 93 return 0; 94 } 95
