M7350/base/cmds/dumpsys/dumpsys.cpp

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2024-09-09 08:52:07 +00:00
/*
* Command that dumps interesting system state to the log.
*
*/
#define LOG_TAG "dumpsys"
#include <utils/Log.h>
#include <binder/Parcel.h>
#include <binder/ProcessState.h>
#include <binder/IServiceManager.h>
#include <utils/TextOutput.h>
#include <utils/Vector.h>
#include <getopt.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <sys/time.h>
using namespace android;
static int sort_func(const String16* lhs, const String16* rhs)
{
return lhs->compare(*rhs);
}
int main(int argc, char* const argv[])
{
sp<IServiceManager> sm = defaultServiceManager();
fflush(stdout);
if (sm == NULL) {
LOGE("Unable to get default service manager!");
aerr << "dumpsys: Unable to get default service manager!" << endl;
return 20;
}
Vector<String16> services;
Vector<String16> args;
if (argc == 1) {
services = sm->listServices();
services.sort(sort_func);
args.add(String16("-a"));
} else {
services.add(String16(argv[1]));
for (int i=2; i<argc; i++) {
args.add(String16(argv[i]));
}
}
const size_t N = services.size();
if (N > 1) {
// first print a list of the current services
aout << "Currently running services:" << endl;
for (size_t i=0; i<N; i++) {
sp<IBinder> service = sm->checkService(services[i]);
if (service != NULL) {
aout << " " << services[i] << endl;
}
}
}
for (size_t i=0; i<N; i++) {
sp<IBinder> service = sm->checkService(services[i]);
if (service != NULL) {
if (N > 1) {
aout << "------------------------------------------------------------"
"-------------------" << endl;
aout << "DUMP OF SERVICE " << services[i] << ":" << endl;
}
int err = service->dump(STDOUT_FILENO, args);
if (err != 0) {
aerr << "Error dumping service info: (" << strerror(err)
<< ") " << services[i] << endl;
}
} else {
aerr << "Can't find service: " << services[i] << endl;
}
}
return 0;
}