Merge "ps: add flag to show ABI" (d20ba7fc) · Commits · e / os / android_system_core

toolbox/ps.c

+47 −4

Original line number	Diff line number	Diff line
		@@ -28,9 +28,12 @@ static char nexttok(char *strp)
		#define SHOW_POLICY 4
		#define SHOW_CPU 8
		#define SHOW_MACLABEL 16
		#define SHOW_ABI 32

		static int display_flags = 0;

		static void print_exe_abi(int pid);

		static int ps_line(int pid, int tid, char *namefilter)
		{
		char statline[1024];
		@@ -170,7 +173,11 @@ static int ps_line(int pid, int tid, char *namefilter)
		else
		printf(" %.2s ", get_sched_policy_name(p));
		}
		printf(" %08x %08x %s %s", wchan, eip, state, cmdline[0] ? cmdline : name);
		printf(" %08x %08x %s ", wchan, eip, state);
		if (display_flags & SHOW_ABI) {
		print_exe_abi(pid);
		}
		printf("%s", cmdline[0] ? cmdline : name);
		if(display_flags&SHOW_TIME)
		printf(" (u:%d, s:%d)", utime, stime);

		@@ -179,6 +186,39 @@ static int ps_line(int pid, int tid, char *namefilter)
		return 0;
		}

		static void print_exe_abi(int pid)
		{
		int fd, r;
		char exeline[1024];

		sprintf(exeline, "/proc/%d/exe", pid);
		fd = open(exeline, O_RDONLY);
		if(fd == 0) {
		printf(" ");
		return;
		}
		r = read(fd, exeline, 5 /* 4 byte ELFMAG + 1 byte EI_CLASS */);
		close(fd);
		if(r < 0) {
		printf(" ");
		return;
		}
		if (memcmp("\177ELF", exeline, 4) != 0) {
		printf("?? ");
		return;
		}
		switch (exeline[4]) {
		case 1:
		printf("32 ");
		return;
		case 2:
		printf("64 ");
		return;
		default:
		printf("?? ");
		return;
		}
		}

		void ps_threads(int pid, char *namefilter)
		{
		@@ -224,6 +264,8 @@ int ps_main(int argc, char **argv)
		display_flags \|= SHOW_PRIO;
		} else if(!strcmp(argv[1],"-c")) {
		display_flags \|= SHOW_CPU;
		} else if(!strcmp(argv[1],"--abi")) {
		display_flags \|= SHOW_ABI;
		} else if(isdigit(argv[1][0])){
		pidfilter = atoi(argv[1]);
		} else {
		@@ -236,10 +278,11 @@ int ps_main(int argc, char **argv)
		if (display_flags & SHOW_MACLABEL) {
		printf("LABEL USER PID PPID NAME\n");
		} else {
		printf("USER PID PPID VSIZE RSS %s%s %s WCHAN PC NAME\n",
		printf("USER PID PPID VSIZE RSS %s%s %s WCHAN PC %sNAME\n",
		(display_flags&SHOW_CPU)?"CPU ":"",
		(display_flags&SHOW_PRIO)?"PRIO NICE RTPRI SCHED ":"",
		(display_flags&SHOW_POLICY)?"PCY " : "");
		(display_flags&SHOW_POLICY)?"PCY " : "",
		(display_flags&SHOW_ABI)?"ABI " : "");
		}
		while((de = readdir(d)) != 0){
		if(isdigit(de->d_name[0])){