am 19697f3e: am 3ad0af6d: Merge "logd: liblog: logcat: debuggerd: Add LOG_ID_CRASH"

* commit '19697f3e1eaf9c54b612e42f93619658194707cd':
  logd: liblog: logcat: debuggerd: Add LOG_ID_CRASH

debuggerd/utility.cpp

@@ -24,6 +24,7 @@
 #include <sys/wait.h>
 
 #include <backtrace/Backtrace.h>
+#include <log/log.h>
 #include <log/logd.h>
 
 const int sleep_time_usec = 50000;         // 0.05 seconds
@@ -64,7 +65,7 @@ void _LOG(log_t* log, int scopeFlags, const char* fmt, ...) {
   }
 
   if (want_log_write) {
-    __android_log_write(ANDROID_LOG_INFO, "DEBUG", buf);
+    __android_log_buf_write(LOG_ID_CRASH, ANDROID_LOG_INFO, "DEBUG", buf);
     if (want_amfd_write) {
       int written = write_to_am(log->amfd, buf, len);
       if (written <= 0) {

include/log/log.h

@@ -550,6 +550,7 @@ typedef enum log_id {
     LOG_ID_RADIO = 1,
     LOG_ID_EVENTS = 2,
     LOG_ID_SYSTEM = 3,
+    LOG_ID_CRASH = 4,
 
     LOG_ID_MAX
 } log_id_t;

liblog/log_read.c

@@ -196,7 +196,8 @@ static const char *LOG_NAME[LOG_ID_MAX] = {
     [LOG_ID_MAIN] = "main",
     [LOG_ID_RADIO] = "radio",
     [LOG_ID_EVENTS] = "events",
-    [LOG_ID_SYSTEM] = "system"
+    [LOG_ID_SYSTEM] = "system",
+    [LOG_ID_CRASH] = "crash",
 };
 
 const char *android_log_id_to_name(log_id_t log_id)

liblog/log_read_kern.c

@@ -58,7 +58,8 @@ static const char *LOG_NAME[LOG_ID_MAX] = {
     [LOG_ID_MAIN] = "main",
     [LOG_ID_RADIO] = "radio",
     [LOG_ID_EVENTS] = "events",
-    [LOG_ID_SYSTEM] = "system"
+    [LOG_ID_SYSTEM] = "system",
+    [LOG_ID_CRASH] = "crash"
 };
 
 const char *android_log_id_to_name(log_id_t log_id)

liblog/logd_write.c

@@ -54,7 +54,7 @@ static pthread_mutex_t log_init_lock = PTHREAD_MUTEX_INITIALIZER;
 static int logd_fd = -1;
 #if FAKE_LOG_DEVICE
 #define WEAK __attribute__((weak))
-static int log_fds[(int)LOG_ID_MAX] = { -1, -1, -1, -1 };
+static int log_fds[(int)LOG_ID_MAX] = { -1, -1, -1, -1, -1 };
 #endif
 
 /*
@@ -243,7 +243,8 @@ static const char *LOG_NAME[LOG_ID_MAX] = {
     [LOG_ID_MAIN] = "main",
     [LOG_ID_RADIO] = "radio",
     [LOG_ID_EVENTS] = "events",
-    [LOG_ID_SYSTEM] = "system"
+    [LOG_ID_SYSTEM] = "system",
+    [LOG_ID_CRASH] = "crash"
 };
 
 const WEAK char *android_log_id_to_name(log_id_t log_id)

liblog/logd_write_kern.c

@@ -93,6 +93,9 @@ static int __write_to_log_kernel(log_id_t log_id, struct iovec *vec, size_t nr)
     int log_fd;
 
     if (/*(int)log_id >= 0 &&*/ (int)log_id < (int)LOG_ID_MAX) {
+        if (log_id == LOG_ID_CRASH) {
+            log_id = LOG_ID_MAIN;
+        }
         log_fd = log_fds[(int)log_id];
     } else {
         return -EBADF;

logcat/logcat.cpp

@@ -227,8 +227,9 @@ static void show_help(const char *cmd)
                     "  -T <count>      print only the most recent <count> lines (does not imply -d)\n"
                     "  -g              get the size of the log's ring buffer and exit\n"
                     "  -b <buffer>     Request alternate ring buffer, 'main', 'system', 'radio',\n"
-                    "                  'events' or 'all'. Multiple -b parameters are allowed and\n"
+                    "                  'events', 'crash' or 'all'. Multiple -b parameters are\n"
-                    "                  results are interleaved. The default is -b main -b system.\n"
+                    "                  allowed and results are interleaved. The default is\n"
+                    "                  -b main -b system -b crash.\n"
                     "  -B              output the log in binary.\n"
                     "  -S              output statistics.\n"
                     "  -G <size>       set size of log ring buffer, may suffix with K or M.\n"
@@ -447,10 +448,17 @@ int main(int argc, char **argv)
                     if (android_name_to_log_id("events") == LOG_ID_EVENTS) {
                         dev->next = new log_device_t("events", true, 'e');
                         if (dev->next) {
+                            dev = dev->next;
                             android::g_devCount++;
                             needBinary = true;
                         }
                     }
+                    if (android_name_to_log_id("crash") == LOG_ID_CRASH) {
+                        dev->next = new log_device_t("crash", false, 'c');
+                        if (dev->next) {
+                            android::g_devCount++;
+                        }
+                    }
                     break;
                 }
 
@@ -607,6 +615,14 @@ int main(int argc, char **argv)
             devices->next = new log_device_t("system", false, 's');
             android::g_devCount++;
         }
+        if (android_name_to_log_id("crash") == LOG_ID_CRASH) {
+            if (devices->next) {
+                devices->next->next = new log_device_t("crash", false, 'c');
+            } else {
+                devices->next = new log_device_t("crash", false, 'c');
+            }
+            android::g_devCount++;
+        }
     }
 
     if (android::g_logRotateSizeKBytes != 0

logd/LogBuffer.cpp

@@ -165,7 +165,7 @@ void LogBuffer::prune(log_id_t id, unsigned long pruneRows) {
         size_t worst_sizes = 0;
         size_t second_worst_sizes = 0;
 
-        if (mPrune.worstUidEnabled()) {
+        if ((id != LOG_ID_CRASH) && mPrune.worstUidEnabled()) {
             LidStatistics &l = stats.id(id);
             UidStatisticsCollection::iterator iu;
             for (iu = l.begin(); iu != l.end(); ++iu) {

logd/tests/logd_test.cpp

@@ -31,7 +31,7 @@
  */
 static void my_android_logger_get_statistics(char *buf, size_t len)
 {
-    snprintf(buf, len, "getStatistics 0 1 2 3");
+    snprintf(buf, len, "getStatistics 0 1 2 3 4");
     int sock = socket_local_client("logd",
                                    ANDROID_SOCKET_NAMESPACE_RESERVED,
                                    SOCK_STREAM);