logcat: Add -D print dividers flag

Permits a single thread to collect several log buffer and
to separate them out into named buckets by keying off the
dividers ---------

Change-Id: I5a92c67383a73ea566cb9b9732d26d88d9c41c66
This commit is contained in:
Mark Salyzyn 2015-01-26 13:41:33 -08:00
parent a035d5003e
commit 7b30ff8d87

View file

@ -1,4 +1,4 @@
// Copyright 2006-2014 The Android Open Source Project
// Copyright 2006-2015 The Android Open Source Project
#include <assert.h>
#include <ctype.h>
@ -178,18 +178,19 @@ error:
return;
}
static void maybePrintStart(log_device_t* dev) {
if (!dev->printed) {
dev->printed = true;
static void maybePrintStart(log_device_t* dev, bool printDividers) {
if (!dev->printed || printDividers) {
if (g_devCount > 1 && !g_printBinary) {
char buf[1024];
snprintf(buf, sizeof(buf), "--------- beginning of %s\n",
snprintf(buf, sizeof(buf), "--------- %s %s\n",
dev->printed ? "switch to" : "beginning of",
dev->device);
if (write(g_outFD, buf, strlen(buf)) < 0) {
perror("output error");
exit(-1);
}
}
dev->printed = true;
}
}
@ -227,6 +228,7 @@ static void show_help(const char *cmd)
" -n <count> Sets max number of rotated logs to <count>, default 4\n"
" -v <format> Sets the log print format, where <format> is:\n\n"
" brief color long process raw tag thread threadtime time\n\n"
" -D print dividers between each log buffer\n"
" -c clear (flush) the entire log and exit\n"
" -d dump the log and then exit (don't block)\n"
" -t <count> print only the most recent <count> lines (implies -d)\n"
@ -329,6 +331,7 @@ int main(int argc, char **argv)
log_device_t* devices = NULL;
log_device_t* dev;
bool needBinary = false;
bool printDividers = false;
struct logger_list *logger_list;
unsigned int tail_lines = 0;
log_time tail_time(log_time::EPOCH);
@ -345,7 +348,7 @@ int main(int argc, char **argv)
for (;;) {
int ret;
ret = getopt(argc, argv, "cdt:T:gG:sQf:r:n:v:b:BSpP:");
ret = getopt(argc, argv, "cdDt:T:gG:sQf:r:n:v:b:BSpP:");
if (ret < 0) {
break;
@ -398,6 +401,10 @@ int main(int argc, char **argv)
}
break;
case 'D':
printDividers = true;
break;
case 'g':
getLogSize = 1;
break;
@ -839,8 +846,10 @@ int main(int argc, char **argv)
if (needBinary)
android::g_eventTagMap = android_openEventTagMap(EVENT_TAG_MAP_FILE);
dev = NULL;
while (1) {
struct log_msg log_msg;
log_device_t* d;
int ret = android_logger_list_read(logger_list, &log_msg);
if (ret == 0) {
@ -865,17 +874,20 @@ int main(int argc, char **argv)
exit(EXIT_FAILURE);
}
for(dev = devices; dev; dev = dev->next) {
if (android_name_to_log_id(dev->device) == log_msg.id()) {
for(d = devices; d; d = d->next) {
if (android_name_to_log_id(d->device) == log_msg.id()) {
break;
}
}
if (!dev) {
if (!d) {
fprintf(stderr, "read: Unexpected log ID!\n");
exit(EXIT_FAILURE);
}
android::maybePrintStart(dev);
if (dev != d) {
dev = d;
android::maybePrintStart(dev, printDividers);
}
if (android::g_printBinary) {
android::printBinary(&log_msg);
} else {