1 /* 2 * Command that dumps interesting system state to the log. 3 * 4 */ 5 6 #define LOG_TAG "dumpsys" 7 8 #include <utils/Log.h> 9 #include <binder/Parcel.h> 10 #include <binder/ProcessState.h> 11 #include <binder/IServiceManager.h> 12 #include <utils/TextOutput.h> 13 #include <utils/Vector.h> 14 15 #include <getopt.h> 16 #include <stdlib.h> 17 #include <stdio.h> 18 #include <string.h> 19 #include <unistd.h> 20 #include <sys/time.h> 21 22 using namespace android; 23 sort_func(const String16 * lhs,const String16 * rhs)24static int sort_func(const String16* lhs, const String16* rhs) 25 { 26 return lhs->compare(*rhs); 27 } 28 main(int argc,char * const argv[])29int main(int argc, char* const argv[]) 30 { 31 signal(SIGPIPE, SIG_IGN); 32 sp<IServiceManager> sm = defaultServiceManager(); 33 fflush(stdout); 34 if (sm == NULL) { 35 ALOGE("Unable to get default service manager!"); 36 aerr << "dumpsys: Unable to get default service manager!" << endl; 37 return 20; 38 } 39 40 Vector<String16> services; 41 Vector<String16> args; 42 if (argc == 1) { 43 services = sm->listServices(); 44 services.sort(sort_func); 45 args.add(String16("-a")); 46 } else { 47 services.add(String16(argv[1])); 48 for (int i=2; i<argc; i++) { 49 args.add(String16(argv[i])); 50 } 51 } 52 53 const size_t N = services.size(); 54 55 if (N > 1) { 56 // first print a list of the current services 57 aout << "Currently running services:" << endl; 58 59 for (size_t i=0; i<N; i++) { 60 sp<IBinder> service = sm->checkService(services[i]); 61 if (service != NULL) { 62 aout << " " << services[i] << endl; 63 } 64 } 65 } 66 67 for (size_t i=0; i<N; i++) { 68 sp<IBinder> service = sm->checkService(services[i]); 69 if (service != NULL) { 70 if (N > 1) { 71 aout << "------------------------------------------------------------" 72 "-------------------" << endl; 73 aout << "DUMP OF SERVICE " << services[i] << ":" << endl; 74 } 75 int err = service->dump(STDOUT_FILENO, args); 76 if (err != 0) { 77 aerr << "Error dumping service info: (" << strerror(err) 78 << ") " << services[i] << endl; 79 } 80 } else { 81 aerr << "Can't find service: " << services[i] << endl; 82 } 83 } 84 85 return 0; 86 } 87