dumpstate.cpp revision 809d74e92c16cf694c929b8ca2b54515af13e9fe 
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 <dirent.h>
18#include <errno.h>
19#include <fcntl.h>
20#include <libgen.h>
21#include <limits.h>
22#include <memory>
23#include <regex>
24#include <set>
25#include <stdbool.h>
26#include <stdio.h>
27#include <stdlib.h>
28#include <string>
29#include <string.h>
30#include <sys/capability.h>
31#include <sys/prctl.h>
32#include <sys/resource.h>
33#include <sys/stat.h>
34#include <sys/time.h>
35#include <sys/wait.h>
36#include <unistd.h>
37
38#include <android-base/stringprintf.h>
39#include <cutils/properties.h>
40
41#include "private/android_filesystem_config.h"
42
43#define LOG_TAG "dumpstate"
44#include <cutils/log.h>
45
46#include "dumpstate.h"
47#include "ScopedFd.h"
48#include "ziparchive/zip_writer.h"
49
50#include "mincrypt/sha256.h"
51
52using android::base::StringPrintf;
53
54/* read before root is shed */
55static char cmdline_buf[16384] = "(unknown)";
56static const char *dump_traces_path = NULL;
57
58// TODO: should be part of dumpstate object
59static char build_type[PROPERTY_VALUE_MAX];
60static time_t now;
61static std::unique_ptr<ZipWriter> zip_writer;
62static std::set<std::string> mount_points;
63void add_mountinfo();
64static bool add_zip_entry(const std::string& entry_name, const std::string& entry_path);
65
66#define PSTORE_LAST_KMSG "/sys/fs/pstore/console-ramoops"
67
68#define RAFT_DIR "/data/misc/raft/"
69#define RECOVERY_DIR "/cache/recovery"
70#define TOMBSTONE_DIR "/data/tombstones"
71#define TOMBSTONE_FILE_PREFIX TOMBSTONE_DIR "/tombstone_"
72/* Can accomodate a tombstone number up to 9999. */
73#define TOMBSTONE_MAX_LEN (sizeof(TOMBSTONE_FILE_PREFIX) + 4)
74#define NUM_TOMBSTONES  10
75
76typedef struct {
77  char name[TOMBSTONE_MAX_LEN];
78  int fd;
79} tombstone_data_t;
80
81static tombstone_data_t tombstone_data[NUM_TOMBSTONES];
82
83// Root dir for all files copied as-is into the bugreport
84const std::string& ZIP_ROOT_DIR = "FS";
85
86/*
87 * List of supported zip format versions.
88 *
89 * See bugreport-format.txt for more info.
90 */
91// TODO: change to "v1" before final N build
92static std::string VERSION_DEFAULT = "v1-dev1";
93// TODO: remove before final N build
94static std::string VERSION_DUMPSYS_SPLIT = "v1-dev1-dumpsys-split";
95
96/* gets the tombstone data, according to the bugreport type: if zipped gets all tombstones,
97 * otherwise gets just those modified in the last half an hour. */
98static void get_tombstone_fds(tombstone_data_t data[NUM_TOMBSTONES]) {
99    time_t thirty_minutes_ago = now - 60*30;
100    for (size_t i = 0; i < NUM_TOMBSTONES; i++) {
101        snprintf(data[i].name, sizeof(data[i].name), "%s%02zu", TOMBSTONE_FILE_PREFIX, i);
102        int fd = TEMP_FAILURE_RETRY(open(data[i].name,
103                                         O_RDONLY | O_CLOEXEC | O_NOFOLLOW | O_NONBLOCK));
104        struct stat st;
105        if (fstat(fd, &st) == 0 && S_ISREG(st.st_mode) &&
106            (zip_writer || (time_t) st.st_mtime >= thirty_minutes_ago)) {
107        data[i].fd = fd;
108        } else {
109        close(fd);
110            data[i].fd = -1;
111        }
112    }
113}
114
115// for_each_pid() callback to get mount info about a process.
116void do_mountinfo(int pid, const char *name) {
117    char path[PATH_MAX];
118
119    // Gets the the content of the /proc/PID/ns/mnt link, so only unique mount points
120    // are added.
121    sprintf(path, "/proc/%d/ns/mnt", pid);
122    char linkname[PATH_MAX];
123    ssize_t r = readlink(path, linkname, PATH_MAX);
124    if (r == -1) {
125        ALOGE("Unable to read link for %s: %s\n", path, strerror(errno));
126        return;
127    }
128    linkname[r] = '\0';
129
130    if (mount_points.find(linkname) == mount_points.end()) {
131        // First time this mount point was found: add it
132        sprintf(path, "/proc/%d/mountinfo", pid);
133        if (add_zip_entry(ZIP_ROOT_DIR + path, path)) {
134            mount_points.insert(linkname);
135        } else {
136            ALOGE("Unable to add mountinfo %s to zip file\n", path);
137        }
138    }
139}
140
141void add_mountinfo() {
142    if (!zip_writer) return;
143    const char *title = "MOUNT INFO";
144    mount_points.clear();
145    DurationReporter duration_reporter(title, NULL);
146    for_each_pid(do_mountinfo, NULL);
147    ALOGD("%s: %lu entries added to zip file\n", title, mount_points.size());
148}
149
150static void dump_dev_files(const char *title, const char *driverpath, const char *filename)
151{
152    DIR *d;
153    struct dirent *de;
154    char path[PATH_MAX];
155
156    d = opendir(driverpath);
157    if (d == NULL) {
158        return;
159    }
160
161    while ((de = readdir(d))) {
162        if (de->d_type != DT_LNK) {
163            continue;
164        }
165        snprintf(path, sizeof(path), "%s/%s/%s", driverpath, de->d_name, filename);
166        dump_file(title, path);
167    }
168
169    closedir(d);
170}
171
172static bool skip_not_stat(const char *path) {
173    static const char stat[] = "/stat";
174    size_t len = strlen(path);
175    if (path[len - 1] == '/') { /* Directory? */
176        return false;
177    }
178    return strcmp(path + len - sizeof(stat) + 1, stat); /* .../stat? */
179}
180
181static bool skip_none(const char *path) {
182    return false;
183}
184
185static const char mmcblk0[] = "/sys/block/mmcblk0/";
186unsigned long worst_write_perf = 20000; /* in KB/s */
187
188static int dump_stat_from_fd(const char *title __unused, const char *path, int fd) {
189    unsigned long fields[11], read_perf, write_perf;
190    bool z;
191    char *cp, *buffer = NULL;
192    size_t i = 0;
193    FILE *fp = fdopen(fd, "rb");
194    getline(&buffer, &i, fp);
195    fclose(fp);
196    if (!buffer) {
197        return -errno;
198    }
199    i = strlen(buffer);
200    while ((i > 0) && (buffer[i - 1] == '\n')) {
201        buffer[--i] = '\0';
202    }
203    if (!*buffer) {
204        free(buffer);
205        return 0;
206    }
207    z = true;
208    for (cp = buffer, i = 0; i < (sizeof(fields) / sizeof(fields[0])); ++i) {
209        fields[i] = strtol(cp, &cp, 0);
210        if (fields[i] != 0) {
211            z = false;
212        }
213    }
214    if (z) { /* never accessed */
215        free(buffer);
216        return 0;
217    }
218
219    if (!strncmp(path, mmcblk0, sizeof(mmcblk0) - 1)) {
220        path += sizeof(mmcblk0) - 1;
221    }
222
223    printf("%s: %s\n", path, buffer);
224    free(buffer);
225
226    read_perf = 0;
227    if (fields[3]) {
228        read_perf = 512 * fields[2] / fields[3];
229    }
230    write_perf = 0;
231    if (fields[7]) {
232        write_perf = 512 * fields[6] / fields[7];
233    }
234    printf("%s: read: %luKB/s write: %luKB/s\n", path, read_perf, write_perf);
235    if ((write_perf > 1) && (write_perf < worst_write_perf)) {
236        worst_write_perf = write_perf;
237    }
238    return 0;
239}
240
241/* Copied policy from system/core/logd/LogBuffer.cpp */
242
243#define LOG_BUFFER_SIZE (256 * 1024)
244#define LOG_BUFFER_MIN_SIZE (64 * 1024UL)
245#define LOG_BUFFER_MAX_SIZE (256 * 1024 * 1024UL)
246
247static bool valid_size(unsigned long value) {
248    if ((value < LOG_BUFFER_MIN_SIZE) || (LOG_BUFFER_MAX_SIZE < value)) {
249        return false;
250    }
251
252    long pages = sysconf(_SC_PHYS_PAGES);
253    if (pages < 1) {
254        return true;
255    }
256
257    long pagesize = sysconf(_SC_PAGESIZE);
258    if (pagesize <= 1) {
259        pagesize = PAGE_SIZE;
260    }
261
262    // maximum memory impact a somewhat arbitrary ~3%
263    pages = (pages + 31) / 32;
264    unsigned long maximum = pages * pagesize;
265
266    if ((maximum < LOG_BUFFER_MIN_SIZE) || (LOG_BUFFER_MAX_SIZE < maximum)) {
267        return true;
268    }
269
270    return value <= maximum;
271}
272
273static unsigned long property_get_size(const char *key) {
274    unsigned long value;
275    char *cp, property[PROPERTY_VALUE_MAX];
276
277    property_get(key, property, "");
278    value = strtoul(property, &cp, 10);
279
280    switch(*cp) {
281    case 'm':
282    case 'M':
283        value *= 1024;
284    /* FALLTHRU */
285    case 'k':
286    case 'K':
287        value *= 1024;
288    /* FALLTHRU */
289    case '\0':
290        break;
291
292    default:
293        value = 0;
294    }
295
296    if (!valid_size(value)) {
297        value = 0;
298    }
299
300    return value;
301}
302
303/* timeout in ms */
304static unsigned long logcat_timeout(const char *name) {
305    static const char global_tuneable[] = "persist.logd.size"; // Settings App
306    static const char global_default[] = "ro.logd.size";       // BoardConfig.mk
307    char key[PROP_NAME_MAX];
308    unsigned long property_size, default_size;
309
310    default_size = property_get_size(global_tuneable);
311    if (!default_size) {
312        default_size = property_get_size(global_default);
313    }
314
315    snprintf(key, sizeof(key), "%s.%s", global_tuneable, name);
316    property_size = property_get_size(key);
317
318    if (!property_size) {
319        snprintf(key, sizeof(key), "%s.%s", global_default, name);
320        property_size = property_get_size(key);
321    }
322
323    if (!property_size) {
324        property_size = default_size;
325    }
326
327    if (!property_size) {
328        property_size = LOG_BUFFER_SIZE;
329    }
330
331    /* Engineering margin is ten-fold our guess */
332    return 10 * (property_size + worst_write_perf) / worst_write_perf;
333}
334
335/* End copy from system/core/logd/LogBuffer.cpp */
336
337/* dumps the current system state to stdout */
338static void print_header(std::string version) {
339    char build[PROPERTY_VALUE_MAX], fingerprint[PROPERTY_VALUE_MAX];
340    char radio[PROPERTY_VALUE_MAX], bootloader[PROPERTY_VALUE_MAX];
341    char network[PROPERTY_VALUE_MAX], date[80];
342
343    property_get("ro.build.display.id", build, "(unknown)");
344    property_get("ro.build.fingerprint", fingerprint, "(unknown)");
345    property_get("ro.build.type", build_type, "(unknown)");
346    property_get("ro.baseband", radio, "(unknown)");
347    property_get("ro.bootloader", bootloader, "(unknown)");
348    property_get("gsm.operator.alpha", network, "(unknown)");
349    strftime(date, sizeof(date), "%Y-%m-%d %H:%M:%S", localtime(&now));
350
351    printf("========================================================\n");
352    printf("== dumpstate: %s\n", date);
353    printf("========================================================\n");
354
355    printf("\n");
356    printf("Build: %s\n", build);
357    printf("Build fingerprint: '%s'\n", fingerprint); /* format is important for other tools */
358    printf("Bootloader: %s\n", bootloader);
359    printf("Radio: %s\n", radio);
360    printf("Network: %s\n", network);
361
362    printf("Kernel: ");
363    dump_file(NULL, "/proc/version");
364    printf("Command line: %s\n", strtok(cmdline_buf, "\n"));
365    printf("Bugreport format version: %s\n", version.c_str());
366    printf("\n");
367}
368
369/* adds a new entry to the existing zip file. */
370static bool add_zip_entry_from_fd(const std::string& entry_name, int fd) {
371    ALOGD("Adding zip entry %s", entry_name.c_str());
372    int32_t err = zip_writer->StartEntryWithTime(entry_name.c_str(),
373            ZipWriter::kCompress, get_mtime(fd, now));
374    if (err) {
375        ALOGE("zip_writer->StartEntryWithTime(%s): %s\n", entry_name.c_str(),
376                ZipWriter::ErrorCodeString(err));
377        return false;
378    }
379
380    std::vector<uint8_t> buffer(65536);
381    while (1) {
382        ssize_t bytes_read = TEMP_FAILURE_RETRY(read(fd, buffer.data(), sizeof(buffer)));
383        if (bytes_read == 0) {
384            break;
385        } else if (bytes_read == -1) {
386            ALOGE("read(%s): %s\n", entry_name.c_str(), strerror(errno));
387            return false;
388        }
389        err = zip_writer->WriteBytes(buffer.data(), bytes_read);
390        if (err) {
391            ALOGE("zip_writer->WriteBytes(): %s\n", ZipWriter::ErrorCodeString(err));
392            return false;
393        }
394    }
395
396    err = zip_writer->FinishEntry();
397    if (err) {
398        ALOGE("zip_writer->FinishEntry(): %s\n", ZipWriter::ErrorCodeString(err));
399        return false;
400    }
401
402    return true;
403}
404
405/* adds a new entry to the existing zip file. */
406static bool add_zip_entry(const std::string& entry_name, const std::string& entry_path) {
407    ScopedFd fd(TEMP_FAILURE_RETRY(open(entry_path.c_str(), O_RDONLY | O_NONBLOCK | O_CLOEXEC)));
408    if (fd.get() == -1) {
409        ALOGE("open(%s): %s\n", entry_path.c_str(), strerror(errno));
410        return false;
411    }
412
413    return add_zip_entry_from_fd(entry_name, fd.get());
414}
415
416/* adds a file to the existing zipped bugreport */
417static int _add_file_from_fd(const char *title, const char *path, int fd) {
418    return add_zip_entry_from_fd(ZIP_ROOT_DIR + path, fd) ? 0 : 1;
419}
420
421/* adds all files from a directory to the zipped bugreport file */
422void add_dir(const char *dir, bool recursive) {
423    if (!zip_writer) return;
424    DurationReporter duration_reporter(dir, NULL);
425    dump_files(NULL, dir, recursive ? skip_none : is_dir, _add_file_from_fd);
426}
427
428/* adds a text entry entry to the existing zip file. */
429static bool add_text_zip_entry(const std::string& entry_name, const std::string& content) {
430    ALOGD("Adding zip text entry %s (%s)", entry_name.c_str(), content.c_str());
431    int32_t err = zip_writer->StartEntryWithTime(entry_name.c_str(), ZipWriter::kCompress, now);
432    if (err) {
433        ALOGE("zip_writer->StartEntryWithTime(%s): %s\n", entry_name.c_str(),
434                ZipWriter::ErrorCodeString(err));
435        return false;
436    }
437
438    err = zip_writer->WriteBytes(content.c_str(), content.length());
439    if (err) {
440        ALOGE("zip_writer->WriteBytes(%s): %s\n", entry_name.c_str(),
441                ZipWriter::ErrorCodeString(err));
442        return false;
443    }
444
445    err = zip_writer->FinishEntry();
446    if (err) {
447        ALOGE("zip_writer->FinishEntry(): %s\n", ZipWriter::ErrorCodeString(err));
448        return false;
449    }
450
451    return true;
452}
453
454static void dumpstate(const std::string& screenshot_path) {
455    DurationReporter duration_reporter("DUMPSTATE");
456    unsigned long timeout;
457
458    dump_dev_files("TRUSTY VERSION", "/sys/bus/platform/drivers/trusty", "trusty_version");
459    run_command("UPTIME", 10, "uptime", NULL);
460    dump_files("UPTIME MMC PERF", mmcblk0, skip_not_stat, dump_stat_from_fd);
461    dump_emmc_ecsd("/d/mmc0/mmc0:0001/ext_csd");
462    dump_file("MEMORY INFO", "/proc/meminfo");
463    run_command("CPU INFO", 10, "top", "-n", "1", "-d", "1", "-m", "30", "-H", NULL);
464    run_command("PROCRANK", 20, SU_PATH, "root", "procrank", NULL);
465    dump_file("VIRTUAL MEMORY STATS", "/proc/vmstat");
466    dump_file("VMALLOC INFO", "/proc/vmallocinfo");
467    dump_file("SLAB INFO", "/proc/slabinfo");
468    dump_file("ZONEINFO", "/proc/zoneinfo");
469    dump_file("PAGETYPEINFO", "/proc/pagetypeinfo");
470    dump_file("BUDDYINFO", "/proc/buddyinfo");
471    dump_file("FRAGMENTATION INFO", "/d/extfrag/unusable_index");
472
473    dump_file("KERNEL WAKELOCKS", "/proc/wakelocks");
474    dump_file("KERNEL WAKE SOURCES", "/d/wakeup_sources");
475    dump_file("KERNEL CPUFREQ", "/sys/devices/system/cpu/cpu0/cpufreq/stats/time_in_state");
476    dump_file("KERNEL SYNC", "/d/sync");
477
478    run_command("PROCESSES AND THREADS", 10, "ps", "-Z", "-t", "-p", "-P", NULL);
479    run_command("LIBRANK", 10, SU_PATH, "root", "librank", NULL);
480
481    run_command("ROUTE", 10, "route", NULL);
482    run_command("PRINTENV", 10, "printenv", NULL);
483    run_command("NETSTAT", 10, "netstat", NULL);
484    run_command("LSMOD", 10, "lsmod", NULL);
485
486    do_dmesg();
487
488    run_command("LIST OF OPEN FILES", 10, SU_PATH, "root", "lsof", NULL);
489    for_each_pid(do_showmap, "SMAPS OF ALL PROCESSES");
490    for_each_tid(show_wchan, "BLOCKED PROCESS WAIT-CHANNELS");
491
492    if (!screenshot_path.empty()) {
493        ALOGI("taking late screenshot\n");
494        take_screenshot(screenshot_path);
495        ALOGI("wrote screenshot: %s\n", screenshot_path.c_str());
496    }
497
498    // dump_file("EVENT LOG TAGS", "/etc/event-log-tags");
499    // calculate timeout
500    timeout = logcat_timeout("main") + logcat_timeout("system") + logcat_timeout("crash");
501    if (timeout < 20000) {
502        timeout = 20000;
503    }
504    run_command("SYSTEM LOG", timeout / 1000, "logcat", "-v", "threadtime",
505                                                        "-v", "printable",
506                                                        "-d",
507                                                        "*:v", NULL);
508    timeout = logcat_timeout("events");
509    if (timeout < 20000) {
510        timeout = 20000;
511    }
512    run_command("EVENT LOG", timeout / 1000, "logcat", "-b", "events",
513                                                       "-v", "threadtime",
514                                                       "-v", "printable",
515                                                       "-d",
516                                                       "*:v", NULL);
517    timeout = logcat_timeout("radio");
518    if (timeout < 20000) {
519        timeout = 20000;
520    }
521    run_command("RADIO LOG", timeout / 1000, "logcat", "-b", "radio",
522                                                       "-v", "threadtime",
523                                                       "-v", "printable",
524                                                       "-d",
525                                                       "*:v", NULL);
526
527    run_command("LOG STATISTICS", 10, "logcat", "-b", "all", "-S", NULL);
528
529    run_command("RAFT LOGS", 600, SU_PATH, "root", "logcompressor", "-r", RAFT_DIR, NULL);
530
531    /* show the traces we collected in main(), if that was done */
532    if (dump_traces_path != NULL) {
533        dump_file("VM TRACES JUST NOW", dump_traces_path);
534    }
535
536    /* only show ANR traces if they're less than 15 minutes old */
537    struct stat st;
538    char anr_traces_path[PATH_MAX];
539    property_get("dalvik.vm.stack-trace-file", anr_traces_path, "");
540    if (!anr_traces_path[0]) {
541        printf("*** NO VM TRACES FILE DEFINED (dalvik.vm.stack-trace-file)\n\n");
542    } else {
543      int fd = TEMP_FAILURE_RETRY(open(anr_traces_path,
544                                       O_RDONLY | O_CLOEXEC | O_NOFOLLOW | O_NONBLOCK));
545      if (fd < 0) {
546          printf("*** NO ANR VM TRACES FILE (%s): %s\n\n", anr_traces_path, strerror(errno));
547      } else {
548          dump_file_from_fd("VM TRACES AT LAST ANR", anr_traces_path, fd);
549      }
550    }
551
552    /* slow traces for slow operations */
553    if (anr_traces_path[0] != 0) {
554        int tail = strlen(anr_traces_path)-1;
555        while (tail > 0 && anr_traces_path[tail] != '/') {
556            tail--;
557        }
558        int i = 0;
559        while (1) {
560            sprintf(anr_traces_path+tail+1, "slow%02d.txt", i);
561            if (stat(anr_traces_path, &st)) {
562                // No traces file at this index, done with the files.
563                break;
564            }
565            dump_file("VM TRACES WHEN SLOW", anr_traces_path);
566            i++;
567        }
568    }
569
570    int dumped = 0;
571    for (size_t i = 0; i < NUM_TOMBSTONES; i++) {
572        if (tombstone_data[i].fd != -1) {
573            const char *name = tombstone_data[i].name;
574            int fd = tombstone_data[i].fd;
575            dumped = 1;
576            if (zip_writer) {
577                if (!add_zip_entry_from_fd(ZIP_ROOT_DIR + name, fd)) {
578                    ALOGE("Unable to add tombstone %s to zip file\n", name);
579                }
580            } else {
581                dump_file_from_fd("TOMBSTONE", name, fd);
582            }
583            close(fd);
584            tombstone_data[i].fd = -1;
585        }
586    }
587    if (!dumped) {
588        printf("*** NO TOMBSTONES to dump in %s\n\n", TOMBSTONE_DIR);
589    }
590
591    dump_file("NETWORK DEV INFO", "/proc/net/dev");
592    dump_file("QTAGUID NETWORK INTERFACES INFO", "/proc/net/xt_qtaguid/iface_stat_all");
593    dump_file("QTAGUID NETWORK INTERFACES INFO (xt)", "/proc/net/xt_qtaguid/iface_stat_fmt");
594    dump_file("QTAGUID CTRL INFO", "/proc/net/xt_qtaguid/ctrl");
595    dump_file("QTAGUID STATS INFO", "/proc/net/xt_qtaguid/stats");
596
597    if (!stat(PSTORE_LAST_KMSG, &st)) {
598        /* Also TODO: Make console-ramoops CAP_SYSLOG protected. */
599        dump_file("LAST KMSG", PSTORE_LAST_KMSG);
600    } else {
601        /* TODO: Make last_kmsg CAP_SYSLOG protected. b/5555691 */
602        dump_file("LAST KMSG", "/proc/last_kmsg");
603    }
604
605    /* kernels must set CONFIG_PSTORE_PMSG, slice up pstore with device tree */
606    run_command("LAST LOGCAT", 10, "logcat", "-L",
607                                             "-b", "all",
608                                             "-v", "threadtime",
609                                             "-v", "printable",
610                                             "-d",
611                                             "*:v", NULL);
612
613    /* The following have a tendency to get wedged when wifi drivers/fw goes belly-up. */
614
615    run_command("NETWORK INTERFACES", 10, "ip", "link", NULL);
616
617    run_command("IPv4 ADDRESSES", 10, "ip", "-4", "addr", "show", NULL);
618    run_command("IPv6 ADDRESSES", 10, "ip", "-6", "addr", "show", NULL);
619
620    run_command("IP RULES", 10, "ip", "rule", "show", NULL);
621    run_command("IP RULES v6", 10, "ip", "-6", "rule", "show", NULL);
622
623    dump_route_tables();
624
625    run_command("ARP CACHE", 10, "ip", "-4", "neigh", "show", NULL);
626    run_command("IPv6 ND CACHE", 10, "ip", "-6", "neigh", "show", NULL);
627
628    run_command("IPTABLES", 10, SU_PATH, "root", "iptables", "-L", "-nvx", NULL);
629    run_command("IP6TABLES", 10, SU_PATH, "root", "ip6tables", "-L", "-nvx", NULL);
630    run_command("IPTABLE NAT", 10, SU_PATH, "root", "iptables", "-t", "nat", "-L", "-nvx", NULL);
631    /* no ip6 nat */
632    run_command("IPTABLE RAW", 10, SU_PATH, "root", "iptables", "-t", "raw", "-L", "-nvx", NULL);
633    run_command("IP6TABLE RAW", 10, SU_PATH, "root", "ip6tables", "-t", "raw", "-L", "-nvx", NULL);
634
635    run_command("WIFI NETWORKS", 20,
636            SU_PATH, "root", "wpa_cli", "IFNAME=wlan0", "list_networks", NULL);
637
638#ifdef FWDUMP_bcmdhd
639    run_command("ND OFFLOAD TABLE", 5,
640            SU_PATH, "root", "wlutil", "nd_hostip", NULL);
641
642    run_command("DUMP WIFI INTERNAL COUNTERS (1)", 20,
643            SU_PATH, "root", "wlutil", "counters", NULL);
644
645    run_command("ND OFFLOAD STATUS (1)", 5,
646            SU_PATH, "root", "wlutil", "nd_status", NULL);
647
648#endif
649    dump_file("INTERRUPTS (1)", "/proc/interrupts");
650
651    run_command("NETWORK DIAGNOSTICS", 10, "dumpsys", "connectivity", "--diag", NULL);
652
653#ifdef FWDUMP_bcmdhd
654    run_command("DUMP WIFI STATUS", 20,
655            SU_PATH, "root", "dhdutil", "-i", "wlan0", "dump", NULL);
656
657    run_command("DUMP WIFI INTERNAL COUNTERS (2)", 20,
658            SU_PATH, "root", "wlutil", "counters", NULL);
659
660    run_command("ND OFFLOAD STATUS (2)", 5,
661            SU_PATH, "root", "wlutil", "nd_status", NULL);
662#endif
663    dump_file("INTERRUPTS (2)", "/proc/interrupts");
664
665    print_properties();
666
667    run_command("VOLD DUMP", 10, "vdc", "dump", NULL);
668    run_command("SECURE CONTAINERS", 10, "vdc", "asec", "list", NULL);
669
670    run_command("FILESYSTEMS & FREE SPACE", 10, "df", NULL);
671
672    run_command("LAST RADIO LOG", 10, "parse_radio_log", "/proc/last_radio_log", NULL);
673
674    printf("------ BACKLIGHTS ------\n");
675    printf("LCD brightness=");
676    dump_file(NULL, "/sys/class/leds/lcd-backlight/brightness");
677    printf("Button brightness=");
678    dump_file(NULL, "/sys/class/leds/button-backlight/brightness");
679    printf("Keyboard brightness=");
680    dump_file(NULL, "/sys/class/leds/keyboard-backlight/brightness");
681    printf("ALS mode=");
682    dump_file(NULL, "/sys/class/leds/lcd-backlight/als");
683    printf("LCD driver registers:\n");
684    dump_file(NULL, "/sys/class/leds/lcd-backlight/registers");
685    printf("\n");
686
687    /* Binder state is expensive to look at as it uses a lot of memory. */
688    dump_file("BINDER FAILED TRANSACTION LOG", "/sys/kernel/debug/binder/failed_transaction_log");
689    dump_file("BINDER TRANSACTION LOG", "/sys/kernel/debug/binder/transaction_log");
690    dump_file("BINDER TRANSACTIONS", "/sys/kernel/debug/binder/transactions");
691    dump_file("BINDER STATS", "/sys/kernel/debug/binder/stats");
692    dump_file("BINDER STATE", "/sys/kernel/debug/binder/state");
693
694    printf("========================================================\n");
695    printf("== Board\n");
696    printf("========================================================\n");
697
698    dumpstate_board();
699    printf("\n");
700
701    /* Migrate the ril_dumpstate to a dumpstate_board()? */
702    char ril_dumpstate_timeout[PROPERTY_VALUE_MAX] = {0};
703    property_get("ril.dumpstate.timeout", ril_dumpstate_timeout, "30");
704    if (strnlen(ril_dumpstate_timeout, PROPERTY_VALUE_MAX - 1) > 0) {
705        if (0 == strncmp(build_type, "user", PROPERTY_VALUE_MAX - 1)) {
706            // su does not exist on user builds, so try running without it.
707            // This way any implementations of vril-dump that do not require
708            // root can run on user builds.
709            run_command("DUMP VENDOR RIL LOGS", atoi(ril_dumpstate_timeout),
710                    "vril-dump", NULL);
711        } else {
712            run_command("DUMP VENDOR RIL LOGS", atoi(ril_dumpstate_timeout),
713                    SU_PATH, "root", "vril-dump", NULL);
714        }
715    }
716
717    printf("========================================================\n");
718    printf("== Android Framework Services\n");
719    printf("========================================================\n");
720
721    /* the full dumpsys is starting to take a long time, so we need
722       to increase its timeout.  we really need to do the timeouts in
723       dumpsys itself... */
724    run_command("DUMPSYS", 60, "dumpsys", NULL);
725
726    printf("========================================================\n");
727    printf("== Checkins\n");
728    printf("========================================================\n");
729
730    run_command("CHECKIN BATTERYSTATS", 30, "dumpsys", "batterystats", "-c", NULL);
731    run_command("CHECKIN MEMINFO", 30, "dumpsys", "meminfo", "--checkin", NULL);
732    run_command("CHECKIN NETSTATS", 30, "dumpsys", "netstats", "--checkin", NULL);
733    run_command("CHECKIN PROCSTATS", 30, "dumpsys", "procstats", "-c", NULL);
734    run_command("CHECKIN USAGESTATS", 30, "dumpsys", "usagestats", "-c", NULL);
735    run_command("CHECKIN PACKAGE", 30, "dumpsys", "package", "--checkin", NULL);
736
737    printf("========================================================\n");
738    printf("== Running Application Activities\n");
739    printf("========================================================\n");
740
741    run_command("APP ACTIVITIES", 30, "dumpsys", "activity", "all", NULL);
742
743    printf("========================================================\n");
744    printf("== Running Application Services\n");
745    printf("========================================================\n");
746
747    run_command("APP SERVICES", 30, "dumpsys", "activity", "service", "all", NULL);
748
749    printf("========================================================\n");
750    printf("== Running Application Providers\n");
751    printf("========================================================\n");
752
753    run_command("APP SERVICES", 30, "dumpsys", "activity", "provider", "all", NULL);
754
755
756    printf("========================================================\n");
757    printf("== Final progress (pid %d): %d/%d (originally %d)\n",
758            getpid(), progress, weight_total, WEIGHT_TOTAL);
759    printf("========================================================\n");
760    printf("== dumpstate: done\n");
761    printf("========================================================\n");
762}
763
764static void usage() {
765    fprintf(stderr, "usage: dumpstate [-b soundfile] [-e soundfile] [-o file [-d] [-p] [-z]] [-s] [-q] [-B] [-P] [-R] [-V version]\n"
766            "  -b: play sound file instead of vibrate, at beginning of job\n"
767            "  -e: play sound file instead of vibrate, at end of job\n"
768            "  -o: write to file (instead of stdout)\n"
769            "  -d: append date to filename (requires -o)\n"
770            "  -p: capture screenshot to filename.png (requires -o)\n"
771            "  -z: generates zipped file (requires -o)\n"
772            "  -s: write output to control socket (for init)\n"
773            "  -q: disable vibrate\n"
774            "  -B: send broadcast when finished (requires -o)\n"
775            "  -P: send broadacast when started and update system properties on progress (requires -o and -B)\n"
776            "  -R: take bugreport in remote mode (requires -o, -z, -d and -B, shouldn't be used with -P)\n"
777            "  -V: sets the bugreport format version (%s or %s)\n",
778            VERSION_DEFAULT.c_str(), VERSION_DUMPSYS_SPLIT.c_str());
779}
780
781static void sigpipe_handler(int n) {
782    // don't complain to stderr or stdout
783    _exit(EXIT_FAILURE);
784}
785
786/* adds the temporary report to the existing .zip file, closes the .zip file, and removes the
787   temporary file.
788 */
789static bool finish_zip_file(const std::string& bugreport_name, const std::string& bugreport_path,
790        time_t now) {
791    if (!add_zip_entry(bugreport_name, bugreport_path)) {
792        ALOGE("Failed to add text entry to .zip file\n");
793        return false;
794    }
795    if (!add_text_zip_entry("main_entry.txt", bugreport_name)) {
796        ALOGE("Failed to add main_entry.txt to .zip file\n");
797    }
798
799    int32_t err = zip_writer->Finish();
800    if (err) {
801        ALOGE("zip_writer->Finish(): %s\n", ZipWriter::ErrorCodeString(err));
802        return false;
803    }
804
805    if (remove(bugreport_path.c_str())) {
806        ALOGW("remove(%s): %s\n", bugreport_path.c_str(), strerror(errno));
807    }
808
809    return true;
810}
811
812static std::string SHA256_file_hash(std::string filepath) {
813    ScopedFd fd(TEMP_FAILURE_RETRY(open(filepath.c_str(), O_RDONLY | O_NONBLOCK | O_CLOEXEC
814            | O_NOFOLLOW)));
815    if (fd.get() == -1) {
816        ALOGE("open(%s): %s\n", filepath.c_str(), strerror(errno));
817        return NULL;
818    }
819
820    SHA256_CTX ctx;
821    SHA256_init(&ctx);
822
823    std::vector<uint8_t> buffer(65536);
824    while (1) {
825        ssize_t bytes_read = TEMP_FAILURE_RETRY(read(fd.get(), buffer.data(), buffer.size()));
826        if (bytes_read == 0) {
827            break;
828        } else if (bytes_read == -1) {
829            ALOGE("read(%s): %s\n", filepath.c_str(), strerror(errno));
830            return NULL;
831        }
832
833        SHA256_update(&ctx, buffer.data(), bytes_read);
834    }
835
836    uint8_t hash[SHA256_DIGEST_SIZE];
837    memcpy(hash, SHA256_final(&ctx), SHA256_DIGEST_SIZE);
838    char hash_buffer[SHA256_DIGEST_SIZE * 2 + 1];
839    for(size_t i = 0; i < SHA256_DIGEST_SIZE; i++) {
840        sprintf(hash_buffer + (i * 2), "%02x", hash[i]);
841    }
842    hash_buffer[sizeof(hash_buffer) - 1] = 0;
843    return std::string(hash_buffer);
844}
845
846/* switch to non-root user and group */
847bool drop_root() {
848    /* ensure we will keep capabilities when we drop root */
849    if (prctl(PR_SET_KEEPCAPS, 1) < 0) {
850        ALOGE("prctl(PR_SET_KEEPCAPS) failed: %s\n", strerror(errno));
851        return false;
852    }
853
854    gid_t groups[] = { AID_LOG, AID_SDCARD_R, AID_SDCARD_RW,
855            AID_MOUNT, AID_INET, AID_NET_BW_STATS, AID_READPROC };
856    if (setgroups(sizeof(groups)/sizeof(groups[0]), groups) != 0) {
857        ALOGE("Unable to setgroups, aborting: %s\n", strerror(errno));
858        return false;
859    }
860    if (setgid(AID_SHELL) != 0) {
861        ALOGE("Unable to setgid, aborting: %s\n", strerror(errno));
862        return false;
863    }
864    if (setuid(AID_SHELL) != 0) {
865        ALOGE("Unable to setuid, aborting: %s\n", strerror(errno));
866        return false;
867    }
868
869    struct __user_cap_header_struct capheader;
870    struct __user_cap_data_struct capdata[2];
871    memset(&capheader, 0, sizeof(capheader));
872    memset(&capdata, 0, sizeof(capdata));
873    capheader.version = _LINUX_CAPABILITY_VERSION_3;
874    capheader.pid = 0;
875
876    capdata[CAP_TO_INDEX(CAP_SYSLOG)].permitted = CAP_TO_MASK(CAP_SYSLOG);
877    capdata[CAP_TO_INDEX(CAP_SYSLOG)].effective = CAP_TO_MASK(CAP_SYSLOG);
878    capdata[0].inheritable = 0;
879    capdata[1].inheritable = 0;
880
881    if (capset(&capheader, &capdata[0]) < 0) {
882        ALOGE("capset failed: %s\n", strerror(errno));
883        return false;
884    }
885
886    return true;
887}
888
889int main(int argc, char *argv[]) {
890    struct sigaction sigact;
891    int do_add_date = 0;
892    int do_zip_file = 0;
893    int do_vibrate = 1;
894    char* use_outfile = 0;
895    int use_socket = 0;
896    int do_fb = 0;
897    int do_broadcast = 0;
898    int do_early_screenshot = 0;
899    int is_remote_mode = 0;
900    std::string version = VERSION_DEFAULT;
901
902    now = time(NULL);
903
904    if (getuid() != 0) {
905        // Old versions of the adb client would call the
906        // dumpstate command directly. Newer clients
907        // call /system/bin/bugreport instead. If we detect
908        // we're being called incorrectly, then exec the
909        // correct program.
910        return execl("/system/bin/bugreport", "/system/bin/bugreport", NULL);
911    }
912
913    ALOGI("begin\n");
914
915    /* clear SIGPIPE handler */
916    memset(&sigact, 0, sizeof(sigact));
917    sigact.sa_handler = sigpipe_handler;
918    sigaction(SIGPIPE, &sigact, NULL);
919
920    /* set as high priority, and protect from OOM killer */
921    setpriority(PRIO_PROCESS, 0, -20);
922    FILE *oom_adj = fopen("/proc/self/oom_adj", "we");
923    if (oom_adj) {
924        fputs("-17", oom_adj);
925        fclose(oom_adj);
926    }
927
928    /* parse arguments */
929    int c;
930    while ((c = getopt(argc, argv, "dho:svqzpPBRV:")) != -1) {
931        switch (c) {
932            case 'd': do_add_date = 1;          break;
933            case 'z': do_zip_file = 1;          break;
934            case 'o': use_outfile = optarg;     break;
935            case 's': use_socket = 1;           break;
936            case 'v': break;  // compatibility no-op
937            case 'q': do_vibrate = 0;           break;
938            case 'p': do_fb = 1;                break;
939            case 'P': do_update_progress = 1;   break;
940            case 'R': is_remote_mode = 1;       break;
941            case 'B': do_broadcast = 1;         break;
942            case 'V': version = optarg;         break;
943            case '?': printf("\n");
944            case 'h':
945                usage();
946                exit(1);
947        }
948    }
949
950    if ((do_zip_file || do_add_date || do_update_progress || do_broadcast) && !use_outfile) {
951        usage();
952        exit(1);
953    }
954
955    if (do_update_progress && !do_broadcast) {
956        usage();
957        exit(1);
958    }
959
960    if (is_remote_mode && (do_update_progress || !do_broadcast || !do_zip_file || !do_add_date)) {
961        usage();
962        exit(1);
963    }
964
965    if (version != VERSION_DEFAULT && version != VERSION_DUMPSYS_SPLIT) {
966        usage();
967        exit(1);
968    }
969
970    ALOGI("bugreport format version: %s\n", version.c_str());
971
972    do_early_screenshot = do_update_progress;
973
974    // If we are going to use a socket, do it as early as possible
975    // to avoid timeouts from bugreport.
976    if (use_socket) {
977        redirect_to_socket(stdout, "dumpstate");
978    }
979
980    /* full path of the directory where the bug report files will be written */
981    std::string bugreport_dir;
982
983    /* full path of the temporary file containing the bug report */
984    std::string tmp_path;
985
986    /* full path of the temporary file containing the screenshot (when requested) */
987    std::string screenshot_path;
988
989    /* base name (without suffix or extensions) of the bug report files */
990    std::string base_name;
991
992    /* suffix of the bug report files - it's typically the date (when invoked with -d),
993     * although it could be changed by the user using a system property */
994    std::string suffix;
995
996    /* pointer to the actual path, be it zip or text */
997    std::string path;
998
999    /* pointer to the zipped file */
1000    std::unique_ptr<FILE, int(*)(FILE*)> zip_file(NULL, fclose);
1001
1002    /* redirect output if needed */
1003    bool is_redirecting = !use_socket && use_outfile;
1004
1005    if (is_redirecting) {
1006        bugreport_dir = dirname(use_outfile);
1007        base_name = basename(use_outfile);
1008        if (do_add_date) {
1009            char date[80];
1010            strftime(date, sizeof(date), "%Y-%m-%d-%H-%M-%S", localtime(&now));
1011            suffix = date;
1012        } else {
1013            suffix = "undated";
1014        }
1015        if (do_fb) {
1016            // TODO: if dumpstate was an object, the paths could be internal variables and then
1017            // we could have a function to calculate the derived values, such as:
1018            //     screenshot_path = GetPath(".png");
1019            screenshot_path = bugreport_dir + "/" + base_name + "-" + suffix + ".png";
1020        }
1021        tmp_path = bugreport_dir + "/" + base_name + "-" + suffix + ".tmp";
1022
1023        ALOGD("Bugreport dir: %s\nBase name: %s\nSuffix: %s\nTemporary path: %s\n"
1024                "Screenshot path: %s\n", bugreport_dir.c_str(), base_name.c_str(), suffix.c_str(),
1025                tmp_path.c_str(), screenshot_path.c_str());
1026
1027        if (do_zip_file) {
1028            ALOGD("Creating initial .zip file");
1029            path = bugreport_dir + "/" + base_name + "-" + suffix + ".zip";
1030            zip_file.reset(fopen(path.c_str(), "wb"));
1031            if (!zip_file) {
1032                ALOGE("fopen(%s, 'wb'): %s\n", path.c_str(), strerror(errno));
1033                do_zip_file = 0;
1034            } else {
1035                zip_writer.reset(new ZipWriter(zip_file.get()));
1036            }
1037            add_text_zip_entry("version.txt", version);
1038        }
1039
1040        if (do_update_progress) {
1041            std::vector<std::string> am_args = {
1042                 "--receiver-permission", "android.permission.DUMP",
1043                 "--es", "android.intent.extra.NAME", suffix,
1044                 "--ei", "android.intent.extra.PID", std::to_string(getpid()),
1045                 "--ei", "android.intent.extra.MAX", std::to_string(WEIGHT_TOTAL),
1046            };
1047            send_broadcast("android.intent.action.BUGREPORT_STARTED", am_args);
1048        }
1049    }
1050
1051    /* read /proc/cmdline before dropping root */
1052    FILE *cmdline = fopen("/proc/cmdline", "re");
1053    if (cmdline) {
1054        fgets(cmdline_buf, sizeof(cmdline_buf), cmdline);
1055        fclose(cmdline);
1056    }
1057
1058    /* open the vibrator before dropping root */
1059    std::unique_ptr<FILE, int(*)(FILE*)> vibrator(NULL, fclose);
1060    if (do_vibrate) {
1061        vibrator.reset(fopen("/sys/class/timed_output/vibrator/enable", "we"));
1062        if (vibrator) {
1063            vibrate(vibrator.get(), 150);
1064        }
1065    }
1066
1067    if (do_fb && do_early_screenshot) {
1068        if (screenshot_path.empty()) {
1069            // should not have happened
1070            ALOGE("INTERNAL ERROR: skipping early screenshot because path was not set");
1071        } else {
1072            ALOGI("taking early screenshot\n");
1073            take_screenshot(screenshot_path);
1074            ALOGI("wrote screenshot: %s\n", screenshot_path.c_str());
1075            if (chown(screenshot_path.c_str(), AID_SHELL, AID_SHELL)) {
1076                ALOGE("Unable to change ownership of screenshot file %s: %s\n",
1077                        screenshot_path.c_str(), strerror(errno));
1078            }
1079        }
1080    }
1081
1082    if (do_zip_file) {
1083        if (chown(path.c_str(), AID_SHELL, AID_SHELL)) {
1084            ALOGE("Unable to change ownership of zip file %s: %s\n", path.c_str(), strerror(errno));
1085        }
1086    }
1087
1088    /* collect stack traces from Dalvik and native processes (needs root) */
1089    dump_traces_path = dump_traces();
1090
1091    /* Get the tombstone fds, recovery files, and mount info here while we are running as root. */
1092    get_tombstone_fds(tombstone_data);
1093    add_dir(RECOVERY_DIR, true);
1094    add_mountinfo();
1095
1096    if (!drop_root()) {
1097        return -1;
1098    }
1099
1100    if (is_redirecting) {
1101        /* TODO: rather than generating a text file now and zipping it later,
1102           it would be more efficient to redirect stdout to the zip entry
1103           directly, but the libziparchive doesn't support that option yet. */
1104        redirect_to_file(stdout, const_cast<char*>(tmp_path.c_str()));
1105    }
1106    // NOTE: there should be no stdout output until now, otherwise it would break the header.
1107    // In particular, DurationReport objects should be created passing 'title, NULL', so their
1108    // duration is logged into ALOG instead.
1109    print_header(version);
1110
1111    dumpstate(do_early_screenshot ? "": screenshot_path);
1112
1113    /* done */
1114    if (vibrator) {
1115        for (int i = 0; i < 3; i++) {
1116            vibrate(vibrator.get(), 75);
1117            usleep((75 + 50) * 1000);
1118        }
1119    }
1120
1121    /* close output if needed */
1122    if (is_redirecting) {
1123        fclose(stdout);
1124    }
1125
1126    /* rename or zip the (now complete) .tmp file to its final location */
1127    if (use_outfile) {
1128
1129        /* check if user changed the suffix using system properties */
1130        char key[PROPERTY_KEY_MAX];
1131        char value[PROPERTY_VALUE_MAX];
1132        sprintf(key, "dumpstate.%d.name", getpid());
1133        property_get(key, value, "");
1134        bool change_suffix= false;
1135        if (value[0]) {
1136            /* must whitelist which characters are allowed, otherwise it could cross directories */
1137            std::regex valid_regex("^[-_a-zA-Z0-9]+$");
1138            if (std::regex_match(value, valid_regex)) {
1139                change_suffix = true;
1140            } else {
1141                ALOGE("invalid suffix provided by user: %s", value);
1142            }
1143        }
1144        if (change_suffix) {
1145            ALOGI("changing suffix from %s to %s", suffix.c_str(), value);
1146            suffix = value;
1147            if (!screenshot_path.empty()) {
1148                std::string new_screenshot_path =
1149                        bugreport_dir + "/" + base_name + "-" + suffix + ".png";
1150                if (rename(screenshot_path.c_str(), new_screenshot_path.c_str())) {
1151                    ALOGE("rename(%s, %s): %s\n", screenshot_path.c_str(),
1152                            new_screenshot_path.c_str(), strerror(errno));
1153                } else {
1154                    screenshot_path = new_screenshot_path;
1155                }
1156            }
1157        }
1158
1159        bool do_text_file = true;
1160        if (do_zip_file) {
1161            ALOGD("Adding text entry to .zip bugreport");
1162            if (!finish_zip_file(base_name + "-" + suffix + ".txt", tmp_path, now)) {
1163                ALOGE("Failed to finish zip file; sending text bugreport instead\n");
1164                do_text_file = true;
1165            } else {
1166                do_text_file = false;
1167            }
1168        }
1169        if (do_text_file) {
1170            ALOGD("Generating .txt bugreport");
1171            path = bugreport_dir + "/" + base_name + "-" + suffix + ".txt";
1172            if (rename(tmp_path.c_str(), path.c_str())) {
1173                ALOGE("rename(%s, %s): %s\n", tmp_path.c_str(), path.c_str(), strerror(errno));
1174                path.clear();
1175            }
1176        }
1177    }
1178
1179    /* tell activity manager we're done */
1180    if (do_broadcast) {
1181        if (!path.empty()) {
1182            ALOGI("Final bugreport path: %s\n", path.c_str());
1183            std::vector<std::string> am_args = {
1184                 "--receiver-permission", "android.permission.DUMP", "--receiver-foreground",
1185                 "--ei", "android.intent.extra.PID", std::to_string(getpid()),
1186                 "--es", "android.intent.extra.BUGREPORT", path
1187            };
1188            if (do_fb) {
1189                am_args.push_back("--es");
1190                am_args.push_back("android.intent.extra.SCREENSHOT");
1191                am_args.push_back(screenshot_path);
1192            }
1193            if (is_remote_mode) {
1194                am_args.push_back("--es");
1195                am_args.push_back("android.intent.extra.REMOTE_BUGREPORT_HASH");
1196                am_args.push_back(SHA256_file_hash(path));
1197                send_broadcast("android.intent.action.REMOTE_BUGREPORT_FINISHED", am_args);
1198            } else {
1199                send_broadcast("android.intent.action.BUGREPORT_FINISHED", am_args);
1200            }
1201        } else {
1202            ALOGE("Skipping finished broadcast because bugreport could not be generated\n");
1203        }
1204    }
1205
1206    ALOGD("Final progress: %d/%d (originally %d)\n", progress, weight_total, WEIGHT_TOTAL);
1207    ALOGI("done\n");
1208
1209    return 0;
1210}
1211