diff options
Diffstat (limited to 'toolbox')
-rw-r--r-- | toolbox/Android.mk | 1 | ||||
-rw-r--r-- | toolbox/ps.c | 340 |
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 | |||
15 | static char *nexttoksep(char **strp, char *sep) | ||
16 | { | ||
17 | char *p = strsep(strp,sep); | ||
18 | return (p == 0) ? "" : p; | ||
19 | } | ||
20 | static 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 | |||
39 | static int display_flags = 0; | ||
40 | static int ppid_filter = 0; | ||
41 | |||
42 | static void print_exe_abi(int pid); | ||
43 | |||
44 | static 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 | |||
206 | static 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 | |||
240 | void 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 | |||
260 | int 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 | } | ||