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authorElliott Hughes2016-05-04 17:20:02 -0500
committerElliott Hughes2016-05-04 17:20:02 -0500
commiteea3c0e601c390665a47f53267afe0addcc6f646 (patch)
treeaefe793517c98427f2e19ed5bc9a1136c80375a5 /toolbox
parentf9f76146a1d0f05654be8963e78c2ed6c56d4a57 (diff)
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Lose ps to toybox.
Change-Id: I890a453533e1b3066169738f55314f8813285c17
Diffstat (limited to 'toolbox')
-rw-r--r--toolbox/Android.mk1
-rw-r--r--toolbox/ps.c340
2 files changed, 0 insertions, 341 deletions
diff --git a/toolbox/Android.mk b/toolbox/Android.mk
index 85f9415dc..d151ad6bc 100644
--- a/toolbox/Android.mk
+++ b/toolbox/Android.mk
@@ -36,7 +36,6 @@ OUR_TOOLS := \
36 log \ 36 log \
37 nandread \ 37 nandread \
38 newfs_msdos \ 38 newfs_msdos \
39 ps \
40 sendevent \ 39 sendevent \
41 start \ 40 start \
42 stop \ 41 stop \
diff --git a/toolbox/ps.c b/toolbox/ps.c
deleted file mode 100644
index c1291101c..000000000
--- a/toolbox/ps.c
+++ /dev/null
@@ -1,340 +0,0 @@
1#include <ctype.h>
2#include <dirent.h>
3#include <fcntl.h>
4#include <inttypes.h>
5#include <pwd.h>
6#include <stdio.h>
7#include <stdlib.h>
8#include <string.h>
9#include <sys/stat.h>
10#include <sys/types.h>
11#include <unistd.h>
12
13#include <cutils/sched_policy.h>
14
15static char *nexttoksep(char **strp, char *sep)
16{
17 char *p = strsep(strp,sep);
18 return (p == 0) ? "" : p;
19}
20static char *nexttok(char **strp)
21{
22 return nexttoksep(strp, " ");
23}
24
25#define SHOW_PRIO 1
26#define SHOW_TIME 2
27#define SHOW_POLICY 4
28#define SHOW_CPU 8
29#define SHOW_MACLABEL 16
30#define SHOW_NUMERIC_UID 32
31#define SHOW_ABI 64
32
33#if __LP64__
34#define PC_WIDTH 10 /* Realistically, the top bits will be 0, so don't waste space. */
35#else
36#define PC_WIDTH (2*sizeof(uintptr_t))
37#endif
38
39static int display_flags = 0;
40static int ppid_filter = 0;
41
42static void print_exe_abi(int pid);
43
44static int ps_line(int pid, int tid)
45{
46 char statline[1024];
47 char cmdline[1024];
48 char macline[1024];
49 char user[32];
50 struct stat stats;
51 int r;
52 char *ptr, *name, *state;
53 int ppid;
54 unsigned rss, vss;
55 uintptr_t eip;
56 unsigned utime, stime;
57 int prio, nice, rtprio, sched, psr;
58 struct passwd *pw;
59
60 snprintf(statline, sizeof(statline), "/proc/%d", tid ? tid : pid);
61 stat(statline, &stats);
62
63 if (tid) {
64 snprintf(statline, sizeof(statline), "/proc/%d/task/%d/stat", pid, tid);
65 cmdline[0] = 0;
66 snprintf(macline, sizeof(macline), "/proc/%d/task/%d/attr/current", pid, tid);
67 } else {
68 snprintf(statline, sizeof(statline), "/proc/%d/stat", pid);
69 snprintf(cmdline, sizeof(cmdline), "/proc/%d/cmdline", pid);
70 snprintf(macline, sizeof(macline), "/proc/%d/attr/current", pid);
71 int fd = open(cmdline, O_RDONLY);
72 if (fd == 0) {
73 r = 0;
74 } else {
75 r = read(fd, cmdline, 1023);
76 close(fd);
77 if (r < 0) r = 0;
78 }
79 cmdline[r] = 0;
80 }
81
82 int fd = open(statline, O_RDONLY);
83 if (fd == 0) return -1;
84 r = read(fd, statline, 1023);
85 close(fd);
86 if (r < 0) return -1;
87 statline[r] = 0;
88
89 ptr = statline;
90 nexttok(&ptr); // skip pid
91 ptr++; // skip "("
92
93 name = ptr;
94 ptr = strrchr(ptr, ')'); // Skip to *last* occurence of ')',
95 *ptr++ = '\0'; // and null-terminate name.
96
97 ptr++; // skip " "
98 state = nexttok(&ptr);
99 ppid = atoi(nexttok(&ptr));
100 nexttok(&ptr); // pgrp
101 nexttok(&ptr); // sid
102 nexttok(&ptr); // tty
103 nexttok(&ptr); // tpgid
104 nexttok(&ptr); // flags
105 nexttok(&ptr); // minflt
106 nexttok(&ptr); // cminflt
107 nexttok(&ptr); // majflt
108 nexttok(&ptr); // cmajflt
109#if 1
110 utime = atoi(nexttok(&ptr));
111 stime = atoi(nexttok(&ptr));
112#else
113 nexttok(&ptr); // utime
114 nexttok(&ptr); // stime
115#endif
116 nexttok(&ptr); // cutime
117 nexttok(&ptr); // cstime
118 prio = atoi(nexttok(&ptr));
119 nice = atoi(nexttok(&ptr));
120 nexttok(&ptr); // threads
121 nexttok(&ptr); // itrealvalue
122 nexttok(&ptr); // starttime
123 vss = strtoul(nexttok(&ptr), 0, 10); // vsize
124 rss = strtoul(nexttok(&ptr), 0, 10); // rss
125 nexttok(&ptr); // rlim
126 nexttok(&ptr); // startcode
127 nexttok(&ptr); // endcode
128 nexttok(&ptr); // startstack
129 nexttok(&ptr); // kstkesp
130 eip = strtoul(nexttok(&ptr), 0, 10); // kstkeip
131 nexttok(&ptr); // signal
132 nexttok(&ptr); // blocked
133 nexttok(&ptr); // sigignore
134 nexttok(&ptr); // sigcatch
135 nexttok(&ptr); // wchan
136 nexttok(&ptr); // nswap
137 nexttok(&ptr); // cnswap
138 nexttok(&ptr); // exit signal
139 psr = atoi(nexttok(&ptr)); // processor
140 rtprio = atoi(nexttok(&ptr)); // rt_priority
141 sched = atoi(nexttok(&ptr)); // scheduling policy
142
143 nexttok(&ptr); // tty
144
145 if (tid != 0) {
146 ppid = pid;
147 pid = tid;
148 }
149
150 pw = getpwuid(stats.st_uid);
151 if (pw == 0 || (display_flags & SHOW_NUMERIC_UID)) {
152 snprintf(user, sizeof(user), "%d", (int)stats.st_uid);
153 } else {
154 snprintf(user, sizeof(user), "%s", pw->pw_name);
155 }
156
157 if (ppid_filter != 0 && ppid != ppid_filter) {
158 return 0;
159 }
160
161 if (display_flags & SHOW_MACLABEL) {
162 fd = open(macline, O_RDONLY);
163 strcpy(macline, "-");
164 if (fd >= 0) {
165 r = read(fd, macline, sizeof(macline)-1);
166 close(fd);
167 if (r > 0)
168 macline[r] = 0;
169 }
170 printf("%-30s ", macline);
171 }
172
173 printf("%-9s %-5d %-5d %-6d %-5d", user, pid, ppid, vss / 1024, rss * 4);
174 if (display_flags & SHOW_CPU)
175 printf(" %-2d", psr);
176 if (display_flags & SHOW_PRIO)
177 printf(" %-5d %-5d %-5d %-5d", prio, nice, rtprio, sched);
178 if (display_flags & SHOW_POLICY) {
179 SchedPolicy p;
180 if (get_sched_policy(pid, &p) < 0)
181 printf(" un ");
182 else
183 printf(" %.2s ", get_sched_policy_name(p));
184 }
185 char path[PATH_MAX];
186 snprintf(path, sizeof(path), "/proc/%d/wchan", pid);
187 char wchan[10];
188 fd = open(path, O_RDONLY);
189 ssize_t wchan_len = read(fd, wchan, sizeof(wchan));
190 if (wchan_len == -1) {
191 wchan[wchan_len = 0] = '\0';
192 }
193 close(fd);
194 printf(" %10.*s %0*" PRIxPTR " %s ", (int) wchan_len, wchan, (int) PC_WIDTH, eip, state);
195 if (display_flags & SHOW_ABI) {
196 print_exe_abi(pid);
197 }
198 printf("%s", cmdline[0] ? cmdline : name);
199 if (display_flags & SHOW_TIME)
200 printf(" (u:%d, s:%d)", utime, stime);
201
202 printf("\n");
203 return 0;
204}
205
206static void print_exe_abi(int pid)
207{
208 int fd, r;
209 char exeline[1024];
210
211 snprintf(exeline, sizeof(exeline), "/proc/%d/exe", pid);
212 fd = open(exeline, O_RDONLY);
213 if (fd == 0) {
214 printf(" ");
215 return;
216 }
217 r = read(fd, exeline, 5 /* 4 byte ELFMAG + 1 byte EI_CLASS */);
218 close(fd);
219 if (r < 0) {
220 printf(" ");
221 return;
222 }
223 if (memcmp("\177ELF", exeline, 4) != 0) {
224 printf("?? ");
225 return;
226 }
227 switch (exeline[4]) {
228 case 1:
229 printf("32 ");
230 return;
231 case 2:
232 printf("64 ");
233 return;
234 default:
235 printf("?? ");
236 return;
237 }
238}
239
240void ps_threads(int pid)
241{
242 char tmp[128];
243 DIR *d;
244 struct dirent *de;
245
246 snprintf(tmp,sizeof(tmp),"/proc/%d/task",pid);
247 d = opendir(tmp);
248 if (d == 0) return;
249
250 while ((de = readdir(d)) != 0) {
251 if (isdigit(de->d_name[0])) {
252 int tid = atoi(de->d_name);
253 if (tid == pid) continue;
254 ps_line(pid, tid);
255 }
256 }
257 closedir(d);
258}
259
260int ps_main(int argc, char **argv)
261{
262 DIR *d;
263 struct dirent *de;
264 int pidfilter = 0;
265 int threads = 0;
266
267 while (argc > 1) {
268 if (!strcmp(argv[1], "-t")) {
269 threads = 1;
270 } else if (!strcmp(argv[1], "-n")) {
271 display_flags |= SHOW_NUMERIC_UID;
272 } else if (!strcmp(argv[1], "-x")) {
273 display_flags |= SHOW_TIME;
274 } else if (!strcmp(argv[1], "-Z")) {
275 display_flags |= SHOW_MACLABEL;
276 } else if (!strcmp(argv[1], "-P")) {
277 display_flags |= SHOW_POLICY;
278 } else if (!strcmp(argv[1], "-p")) {
279 display_flags |= SHOW_PRIO;
280 } else if (!strcmp(argv[1], "-c")) {
281 display_flags |= SHOW_CPU;
282 } else if (!strcmp(argv[1], "--abi")) {
283 display_flags |= SHOW_ABI;
284 } else if (!strcmp(argv[1], "--ppid")) {
285 if (argc < 3) {
286 /* Bug 26554285: Use printf because some apps require at least
287 * one line of output to stdout even for errors.
288 */
289 printf("no ppid\n");
290 return 1;
291 }
292 ppid_filter = atoi(argv[2]);
293 if (ppid_filter == 0) {
294 /* Bug 26554285: Use printf because some apps require at least
295 * one line of output to stdout even for errors.
296 */
297 printf("bad ppid '%s'\n", argv[2]);
298 return 1;
299 }
300 argc--;
301 argv++;
302 } else {
303 pidfilter = atoi(argv[1]);
304 if (pidfilter == 0) {
305 /* Bug 26554285: Use printf because some apps require at least
306 * one line of output to stdout even for errors.
307 */
308 printf("bad pid '%s'\n", argv[1]);
309 return 1;
310 }
311 }
312 argc--;
313 argv++;
314 }
315
316 if (display_flags & SHOW_MACLABEL) {
317 printf("LABEL ");
318 }
319 printf("USER PID PPID VSIZE RSS %s%s %sWCHAN %*s %sNAME\n",
320 (display_flags&SHOW_CPU)?"CPU ":"",
321 (display_flags&SHOW_PRIO)?"PRIO NICE RTPRI SCHED ":"",
322 (display_flags&SHOW_POLICY)?"PCY " : "",
323 (int) PC_WIDTH, "PC",
324 (display_flags&SHOW_ABI)?"ABI " : "");
325
326 d = opendir("/proc");
327 if (d == 0) return -1;
328
329 while ((de = readdir(d)) != 0) {
330 if (isdigit(de->d_name[0])) {
331 int pid = atoi(de->d_name);
332 if (!pidfilter || (pidfilter == pid)) {
333 ps_line(pid, 0);
334 if (threads) ps_threads(pid);
335 }
336 }
337 }
338 closedir(d);
339 return 0;
340}