1 /*
2 * Copyright (C) 2008 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include <errno.h>
18 #include <fcntl.h>
19 #include <limits.h>
20 #include <stdio.h>
21 #include <stdlib.h>
22 #include <string.h>
23 #include <sys/resource.h>
24 #include <sys/stat.h>
25 #include <sys/time.h>
26 #include <sys/wait.h>
27 #include <unistd.h>
28 #include <linux/capability.h>
29 #include <linux/prctl.h>
30
31 #include <cutils/properties.h>
32
33 #include "private/android_filesystem_config.h"
34
35 #define LOG_TAG "dumpstate"
36 #include <utils/Log.h>
37
38 #include "dumpstate.h"
39
40 /* read before root is shed */
41 static char cmdline_buf[16384] = "(unknown)";
42 static const char *dump_traces_path = NULL;
43
44 static char screenshot_path[PATH_MAX] = "";
45
46 /* dumps the current system state to stdout */
dumpstate()47 static void dumpstate() {
48 time_t now = time(NULL);
49 char build[PROPERTY_VALUE_MAX], fingerprint[PROPERTY_VALUE_MAX];
50 char radio[PROPERTY_VALUE_MAX], bootloader[PROPERTY_VALUE_MAX];
51 char network[PROPERTY_VALUE_MAX], date[80];
52 char build_type[PROPERTY_VALUE_MAX];
53
54 property_get("ro.build.display.id", build, "(unknown)");
55 property_get("ro.build.fingerprint", fingerprint, "(unknown)");
56 property_get("ro.build.type", build_type, "(unknown)");
57 property_get("ro.baseband", radio, "(unknown)");
58 property_get("ro.bootloader", bootloader, "(unknown)");
59 property_get("gsm.operator.alpha", network, "(unknown)");
60 strftime(date, sizeof(date), "%Y-%m-%d %H:%M:%S", localtime(&now));
61
62 printf("========================================================\n");
63 printf("== dumpstate: %s\n", date);
64 printf("========================================================\n");
65
66 printf("\n");
67 printf("Build: %s\n", build);
68 printf("Build fingerprint: '%s'\n", fingerprint); /* format is important for other tools */
69 printf("Bootloader: %s\n", bootloader);
70 printf("Radio: %s\n", radio);
71 printf("Network: %s\n", network);
72
73 printf("Kernel: ");
74 dump_file(NULL, "/proc/version");
75 printf("Command line: %s\n", strtok(cmdline_buf, "\n"));
76 printf("\n");
77
78 run_command("UPTIME", 10, "uptime", NULL);
79 dump_file("MEMORY INFO", "/proc/meminfo");
80 run_command("CPU INFO", 10, "top", "-n", "1", "-d", "1", "-m", "30", "-t", NULL);
81 run_command("PROCRANK", 20, "procrank", NULL);
82 dump_file("VIRTUAL MEMORY STATS", "/proc/vmstat");
83 dump_file("VMALLOC INFO", "/proc/vmallocinfo");
84 dump_file("SLAB INFO", "/proc/slabinfo");
85 dump_file("ZONEINFO", "/proc/zoneinfo");
86 dump_file("PAGETYPEINFO", "/proc/pagetypeinfo");
87 dump_file("BUDDYINFO", "/proc/buddyinfo");
88 dump_file("FRAGMENTATION INFO", "/d/extfrag/unusable_index");
89
90
91 dump_file("KERNEL WAKELOCKS", "/proc/wakelocks");
92 dump_file("KERNEL WAKE SOURCES", "/d/wakeup_sources");
93 dump_file("KERNEL CPUFREQ", "/sys/devices/system/cpu/cpu0/cpufreq/stats/time_in_state");
94 dump_file("KERNEL SYNC", "/d/sync");
95
96 run_command("PROCESSES", 10, "ps", "-P", NULL);
97 run_command("PROCESSES AND THREADS", 10, "ps", "-t", "-p", "-P", NULL);
98 run_command("LIBRANK", 10, "librank", NULL);
99
100 do_dmesg();
101
102 run_command("LIST OF OPEN FILES", 10, SU_PATH, "root", "lsof", NULL);
103
104 for_each_pid(do_showmap, "SMAPS OF ALL PROCESSES");
105 for_each_pid(show_wchan, "BLOCKED PROCESS WAIT-CHANNELS");
106
107 // dump_file("EVENT LOG TAGS", "/etc/event-log-tags");
108 run_command("SYSTEM LOG", 20, "logcat", "-v", "threadtime", "-d", "*:v", NULL);
109 run_command("EVENT LOG", 20, "logcat", "-b", "events", "-v", "threadtime", "-d", "*:v", NULL);
110 run_command("RADIO LOG", 20, "logcat", "-b", "radio", "-v", "threadtime", "-d", "*:v", NULL);
111
112
113 /* show the traces we collected in main(), if that was done */
114 if (dump_traces_path != NULL) {
115 dump_file("VM TRACES JUST NOW", dump_traces_path);
116 }
117
118 /* only show ANR traces if they're less than 15 minutes old */
119 struct stat st;
120 char anr_traces_path[PATH_MAX];
121 property_get("dalvik.vm.stack-trace-file", anr_traces_path, "");
122 if (!anr_traces_path[0]) {
123 printf("*** NO VM TRACES FILE DEFINED (dalvik.vm.stack-trace-file)\n\n");
124 } else if (stat(anr_traces_path, &st)) {
125 printf("*** NO ANR VM TRACES FILE (%s): %s\n\n", anr_traces_path, strerror(errno));
126 } else {
127 dump_file("VM TRACES AT LAST ANR", anr_traces_path);
128 }
129
130 /* slow traces for slow operations */
131 if (anr_traces_path[0] != 0) {
132 int tail = strlen(anr_traces_path)-1;
133 while (tail > 0 && anr_traces_path[tail] != '/') {
134 tail--;
135 }
136 int i = 0;
137 while (1) {
138 sprintf(anr_traces_path+tail+1, "slow%02d.txt", i);
139 if (stat(anr_traces_path, &st)) {
140 // No traces file at this index, done with the files.
141 break;
142 }
143 dump_file("VM TRACES WHEN SLOW", anr_traces_path);
144 i++;
145 }
146 }
147
148 dump_file("NETWORK DEV INFO", "/proc/net/dev");
149 dump_file("QTAGUID NETWORK INTERFACES INFO", "/proc/net/xt_qtaguid/iface_stat_all");
150 dump_file("QTAGUID NETWORK INTERFACES INFO (xt)", "/proc/net/xt_qtaguid/iface_stat_fmt");
151 dump_file("QTAGUID CTRL INFO", "/proc/net/xt_qtaguid/ctrl");
152 dump_file("QTAGUID STATS INFO", "/proc/net/xt_qtaguid/stats");
153
154 dump_file("NETWORK ROUTES", "/proc/net/route");
155 dump_file("NETWORK ROUTES IPV6", "/proc/net/ipv6_route");
156
157 /* TODO: Make last_kmsg CAP_SYSLOG protected. b/5555691 */
158 dump_file("LAST KMSG", "/proc/last_kmsg");
159 dump_file("LAST PANIC CONSOLE", "/data/dontpanic/apanic_console");
160 dump_file("LAST PANIC THREADS", "/data/dontpanic/apanic_threads");
161
162 if (screenshot_path[0]) {
163 ALOGI("taking screenshot\n");
164 run_command(NULL, 5, SU_PATH, "root", "screenshot", screenshot_path, NULL);
165 ALOGI("wrote screenshot: %s\n", screenshot_path);
166 }
167
168 run_command("SYSTEM SETTINGS", 20, SU_PATH, "root", "sqlite3",
169 "/data/data/com.android.providers.settings/databases/settings.db",
170 "pragma user_version; select * from system; select * from secure; select * from global;", NULL);
171
172 /* The following have a tendency to get wedged when wifi drivers/fw goes belly-up. */
173 run_command("NETWORK INTERFACES", 10, SU_PATH, "root", "netcfg", NULL);
174 run_command("IP RULES", 10, "ip", "rule", "show", NULL);
175 run_command("IP RULES v6", 10, "ip", "-6", "rule", "show", NULL);
176 run_command("ROUTE TABLE 60", 10, "ip", "route", "show", "table", "60", NULL);
177 run_command("ROUTE TABLE 61 v6", 10, "ip", "-6", "route", "show", "table", "60", NULL);
178 run_command("ROUTE TABLE 61", 10, "ip", "route", "show", "table", "61", NULL);
179 run_command("ROUTE TABLE 61 v6", 10, "ip", "-6", "route", "show", "table", "61", NULL);
180 dump_file("ARP CACHE", "/proc/net/arp");
181 run_command("IPTABLES", 10, SU_PATH, "root", "iptables", "-L", "-nvx", NULL);
182 run_command("IP6TABLES", 10, SU_PATH, "root", "ip6tables", "-L", "-nvx", NULL);
183 run_command("IPTABLE NAT", 10, SU_PATH, "root", "iptables", "-t", "nat", "-L", "-nvx", NULL);
184 /* no ip6 nat */
185 run_command("IPTABLE RAW", 10, SU_PATH, "root", "iptables", "-t", "raw", "-L", "-nvx", NULL);
186 run_command("IP6TABLE RAW", 10, SU_PATH, "root", "ip6tables", "-t", "raw", "-L", "-nvx", NULL);
187
188 run_command("WIFI NETWORKS", 20,
189 SU_PATH, "root", "wpa_cli", "list_networks", NULL);
190
191 #ifdef FWDUMP_bcmdhd
192 run_command("DUMP WIFI INTERNAL COUNTERS", 20,
193 SU_PATH, "root", "wlutil", "counters", NULL);
194 #endif
195 dump_file("INTERRUPTS (1)", "/proc/interrupts");
196
197 property_get("dhcp.wlan0.gateway", network, "");
198 if (network[0])
199 run_command("PING GATEWAY", 10, SU_PATH, "root", "ping", "-c", "3", "-i", ".5", network, NULL);
200 property_get("dhcp.wlan0.dns1", network, "");
201 if (network[0])
202 run_command("PING DNS1", 10, SU_PATH, "root", "ping", "-c", "3", "-i", ".5", network, NULL);
203 property_get("dhcp.wlan0.dns2", network, "");
204 if (network[0])
205 run_command("PING DNS2", 10, SU_PATH, "root", "ping", "-c", "3", "-i", ".5", network, NULL);
206 #ifdef FWDUMP_bcmdhd
207 run_command("DUMP WIFI STATUS", 20,
208 SU_PATH, "root", "dhdutil", "-i", "wlan0", "dump", NULL);
209 run_command("DUMP WIFI INTERNAL COUNTERS", 20,
210 SU_PATH, "root", "wlutil", "counters", NULL);
211 #endif
212 dump_file("INTERRUPTS (2)", "/proc/interrupts");
213
214 print_properties();
215
216 run_command("VOLD DUMP", 10, "vdc", "dump", NULL);
217 run_command("SECURE CONTAINERS", 10, "vdc", "asec", "list", NULL);
218
219 run_command("FILESYSTEMS & FREE SPACE", 10, SU_PATH, "root", "df", NULL);
220
221 run_command("PACKAGE SETTINGS", 20, SU_PATH, "root", "cat", "/data/system/packages.xml", NULL);
222 dump_file("PACKAGE UID ERRORS", "/data/system/uiderrors.txt");
223
224 run_command("LAST RADIO LOG", 10, "parse_radio_log", "/proc/last_radio_log", NULL);
225
226 printf("------ BACKLIGHTS ------\n");
227 printf("LCD brightness=");
228 dump_file(NULL, "/sys/class/leds/lcd-backlight/brightness");
229 printf("Button brightness=");
230 dump_file(NULL, "/sys/class/leds/button-backlight/brightness");
231 printf("Keyboard brightness=");
232 dump_file(NULL, "/sys/class/leds/keyboard-backlight/brightness");
233 printf("ALS mode=");
234 dump_file(NULL, "/sys/class/leds/lcd-backlight/als");
235 printf("LCD driver registers:\n");
236 dump_file(NULL, "/sys/class/leds/lcd-backlight/registers");
237 printf("\n");
238
239 /* Binder state is expensive to look at as it uses a lot of memory. */
240 dump_file("BINDER FAILED TRANSACTION LOG", "/sys/kernel/debug/binder/failed_transaction_log");
241 dump_file("BINDER TRANSACTION LOG", "/sys/kernel/debug/binder/transaction_log");
242 dump_file("BINDER TRANSACTIONS", "/sys/kernel/debug/binder/transactions");
243 dump_file("BINDER STATS", "/sys/kernel/debug/binder/stats");
244 dump_file("BINDER STATE", "/sys/kernel/debug/binder/state");
245
246 #ifdef BOARD_HAS_DUMPSTATE
247 printf("========================================================\n");
248 printf("== Board\n");
249 printf("========================================================\n");
250
251 dumpstate_board();
252 printf("\n");
253 #endif
254
255 /* Migrate the ril_dumpstate to a dumpstate_board()? */
256 char ril_dumpstate_timeout[PROPERTY_VALUE_MAX] = {0};
257 property_get("ril.dumpstate.timeout", ril_dumpstate_timeout, "30");
258 if (strnlen(ril_dumpstate_timeout, PROPERTY_VALUE_MAX - 1) > 0) {
259 if (0 == strncmp(build_type, "user", PROPERTY_VALUE_MAX - 1)) {
260 // su does not exist on user builds, so try running without it.
261 // This way any implementations of vril-dump that do not require
262 // root can run on user builds.
263 run_command("DUMP VENDOR RIL LOGS", atoi(ril_dumpstate_timeout),
264 "vril-dump", NULL);
265 } else {
266 run_command("DUMP VENDOR RIL LOGS", atoi(ril_dumpstate_timeout),
267 SU_PATH, "root", "vril-dump", NULL);
268 }
269 }
270
271 printf("========================================================\n");
272 printf("== Android Framework Services\n");
273 printf("========================================================\n");
274
275 /* the full dumpsys is starting to take a long time, so we need
276 to increase its timeout. we really need to do the timeouts in
277 dumpsys itself... */
278 run_command("DUMPSYS", 60, "dumpsys", NULL);
279
280 printf("========================================================\n");
281 printf("== Running Application Activities\n");
282 printf("========================================================\n");
283
284 run_command("APP ACTIVITIES", 30, "dumpsys", "activity", "all", NULL);
285
286 printf("========================================================\n");
287 printf("== Running Application Services\n");
288 printf("========================================================\n");
289
290 run_command("APP SERVICES", 30, "dumpsys", "activity", "service", "all", NULL);
291
292 printf("========================================================\n");
293 printf("== Running Application Providers\n");
294 printf("========================================================\n");
295
296 run_command("APP SERVICES", 30, "dumpsys", "activity", "provider", "all", NULL);
297
298
299 printf("========================================================\n");
300 printf("== dumpstate: done\n");
301 printf("========================================================\n");
302 }
303
usage()304 static void usage() {
305 fprintf(stderr, "usage: dumpstate [-b soundfile] [-e soundfile] [-o file [-d] [-p] [-z]] [-s] [-q]\n"
306 " -o: write to file (instead of stdout)\n"
307 " -d: append date to filename (requires -o)\n"
308 " -z: gzip output (requires -o)\n"
309 " -p: capture screenshot to filename.png (requires -o)\n"
310 " -s: write output to control socket (for init)\n"
311 " -b: play sound file instead of vibrate, at beginning of job\n"
312 " -e: play sound file instead of vibrate, at end of job\n"
313 " -q: disable vibrate\n"
314 );
315 }
316
main(int argc,char * argv[])317 int main(int argc, char *argv[]) {
318 int do_add_date = 0;
319 int do_compress = 0;
320 int do_vibrate = 1;
321 char* use_outfile = 0;
322 char* begin_sound = 0;
323 char* end_sound = 0;
324 int use_socket = 0;
325 int do_fb = 0;
326
327 if (getuid() != 0) {
328 // Old versions of the adb client would call the
329 // dumpstate command directly. Newer clients
330 // call /system/bin/bugreport instead. If we detect
331 // we're being called incorrectly, then exec the
332 // correct program.
333 return execl("/system/bin/bugreport", "/system/bin/bugreport", NULL);
334 }
335 ALOGI("begin\n");
336
337 signal(SIGPIPE, SIG_IGN);
338
339 /* set as high priority, and protect from OOM killer */
340 setpriority(PRIO_PROCESS, 0, -20);
341 FILE *oom_adj = fopen("/proc/self/oom_adj", "w");
342 if (oom_adj) {
343 fputs("-17", oom_adj);
344 fclose(oom_adj);
345 }
346
347 /* very first thing, collect stack traces from Dalvik and native processes (needs root) */
348 dump_traces_path = dump_traces();
349
350 int c;
351 while ((c = getopt(argc, argv, "b:de:ho:svqzp")) != -1) {
352 switch (c) {
353 case 'b': begin_sound = optarg; break;
354 case 'd': do_add_date = 1; break;
355 case 'e': end_sound = optarg; break;
356 case 'o': use_outfile = optarg; break;
357 case 's': use_socket = 1; break;
358 case 'v': break; // compatibility no-op
359 case 'q': do_vibrate = 0; break;
360 case 'z': do_compress = 6; break;
361 case 'p': do_fb = 1; break;
362 case '?': printf("\n");
363 case 'h':
364 usage();
365 exit(1);
366 }
367 }
368
369 FILE *vibrator = 0;
370 if (do_vibrate) {
371 /* open the vibrator before dropping root */
372 vibrator = fopen("/sys/class/timed_output/vibrator/enable", "w");
373 if (vibrator) fcntl(fileno(vibrator), F_SETFD, FD_CLOEXEC);
374 }
375
376 /* read /proc/cmdline before dropping root */
377 FILE *cmdline = fopen("/proc/cmdline", "r");
378 if (cmdline != NULL) {
379 fgets(cmdline_buf, sizeof(cmdline_buf), cmdline);
380 fclose(cmdline);
381 }
382
383 if (prctl(PR_SET_KEEPCAPS, 1) < 0) {
384 ALOGE("prctl(PR_SET_KEEPCAPS) failed: %s\n", strerror(errno));
385 return -1;
386 }
387
388 /* switch to non-root user and group */
389 gid_t groups[] = { AID_LOG, AID_SDCARD_R, AID_SDCARD_RW,
390 AID_MOUNT, AID_INET, AID_NET_BW_STATS };
391 if (setgroups(sizeof(groups)/sizeof(groups[0]), groups) != 0) {
392 ALOGE("Unable to setgroups, aborting: %s\n", strerror(errno));
393 return -1;
394 }
395 if (setgid(AID_SHELL) != 0) {
396 ALOGE("Unable to setgid, aborting: %s\n", strerror(errno));
397 return -1;
398 }
399 if (setuid(AID_SHELL) != 0) {
400 ALOGE("Unable to setuid, aborting: %s\n", strerror(errno));
401 return -1;
402 }
403
404 struct __user_cap_header_struct capheader;
405 struct __user_cap_data_struct capdata[2];
406 memset(&capheader, 0, sizeof(capheader));
407 memset(&capdata, 0, sizeof(capdata));
408 capheader.version = _LINUX_CAPABILITY_VERSION_3;
409 capheader.pid = 0;
410
411 capdata[CAP_TO_INDEX(CAP_SYSLOG)].permitted = CAP_TO_MASK(CAP_SYSLOG);
412 capdata[CAP_TO_INDEX(CAP_SYSLOG)].effective = CAP_TO_MASK(CAP_SYSLOG);
413 capdata[0].inheritable = 0;
414 capdata[1].inheritable = 0;
415
416 if (capset(&capheader, &capdata[0]) < 0) {
417 ALOGE("capset failed: %s\n", strerror(errno));
418 return -1;
419 }
420
421 char path[PATH_MAX], tmp_path[PATH_MAX];
422 pid_t gzip_pid = -1;
423
424 if (use_socket) {
425 redirect_to_socket(stdout, "dumpstate");
426 } else if (use_outfile) {
427 strlcpy(path, use_outfile, sizeof(path));
428 if (do_add_date) {
429 char date[80];
430 time_t now = time(NULL);
431 strftime(date, sizeof(date), "-%Y-%m-%d-%H-%M-%S", localtime(&now));
432 strlcat(path, date, sizeof(path));
433 }
434 if (do_fb) {
435 strlcpy(screenshot_path, path, sizeof(screenshot_path));
436 strlcat(screenshot_path, ".png", sizeof(screenshot_path));
437 }
438 strlcat(path, ".txt", sizeof(path));
439 if (do_compress) strlcat(path, ".gz", sizeof(path));
440 strlcpy(tmp_path, path, sizeof(tmp_path));
441 strlcat(tmp_path, ".tmp", sizeof(tmp_path));
442 gzip_pid = redirect_to_file(stdout, tmp_path, do_compress);
443 }
444
445 if (begin_sound) {
446 play_sound(begin_sound);
447 } else if (vibrator) {
448 fputs("150", vibrator);
449 fflush(vibrator);
450 }
451
452 dumpstate();
453
454 if (end_sound) {
455 play_sound(end_sound);
456 } else if (vibrator) {
457 int i;
458 for (i = 0; i < 3; i++) {
459 fputs("75\n", vibrator);
460 fflush(vibrator);
461 usleep((75 + 50) * 1000);
462 }
463 fclose(vibrator);
464 }
465
466 /* wait for gzip to finish, otherwise it might get killed when we exit */
467 if (gzip_pid > 0) {
468 fclose(stdout);
469 waitpid(gzip_pid, NULL, 0);
470 }
471
472 /* rename the (now complete) .tmp file to its final location */
473 if (use_outfile && rename(tmp_path, path)) {
474 fprintf(stderr, "rename(%s, %s): %s\n", tmp_path, path, strerror(errno));
475 }
476
477 ALOGI("done\n");
478
479 return 0;
480 }
481