logd: Add 'print_all_logs' to replay_messages
Add 'print_all_logs' which is equivalent to running `logcat` from the
beginning of the captured log buffers.
Test: all logs can be replayed from the start
Change-Id: If0e25513fb294e61c834f82fbf90468c4b767424
diff --git a/logd/ReplayMessages.cpp b/logd/ReplayMessages.cpp
index 73b0bd0..5429233 100644
--- a/logd/ReplayMessages.cpp
+++ b/logd/ReplayMessages.cpp
@@ -117,6 +117,23 @@
return meta->realtime;
}
+static LogMask BuffersToLogMask(const char* buffers) {
+ if (buffers == nullptr || !strcmp(buffers, "all")) {
+ return kLogMaskAll;
+ }
+ auto string_ids = Split(buffers, ",");
+ LogMask log_mask = 0;
+ for (const auto& string_id : string_ids) {
+ int buffer_id;
+ if (!ParseInt(string_id, &buffer_id, 0, 7)) {
+ fprintf(stderr, "Could not parse buffer_id '%s'\n", string_id.c_str());
+ exit(1);
+ }
+ log_mask |= 1 << buffer_id;
+ }
+ return log_mask;
+}
+
class StdoutWriter : public LogWriter {
public:
StdoutWriter() : LogWriter(0, true) {}
@@ -134,6 +151,11 @@
return true;
}
+ void Shutdown() override {
+ fprintf(stderr, "LogWriter::Shutdown() called\n");
+ exit(1);
+ }
+
std::string name() const override { return "stdout writer"; }
};
@@ -291,24 +313,7 @@
PrintLogs(log_time first_log_timestamp, const char* buffer, const char* buffers,
const char* print_point)
: SingleBufferOperation(first_log_timestamp, buffer) {
- if (buffers != nullptr) {
- if (strcmp(buffers, "all") != 0) {
- std::vector<int> buffer_ids;
- auto string_ids = Split(buffers, ",");
- for (const auto& string_id : string_ids) {
- int result;
- if (!ParseInt(string_id, &result, 0, 7)) {
- fprintf(stderr, "Could not parse buffer_id '%s'\n", string_id.c_str());
- exit(1);
- }
- buffer_ids.emplace_back(result);
- }
- mask_ = 0;
- for (const auto& buffer_id : buffer_ids) {
- mask_ |= 1 << buffer_id;
- }
- }
- }
+ mask_ = BuffersToLogMask(buffers);
if (print_point != nullptr) {
uint64_t result = 0;
if (!ParseUint(print_point, &result)) {
@@ -326,7 +331,7 @@
}
}
- void End() {
+ void End() override {
std::unique_ptr<LogWriter> test_writer(new StdoutWriter());
std::unique_ptr<FlushToState> flush_to_state = log_buffer_->CreateFlushToState(1, mask_);
log_buffer_->FlushTo(test_writer.get(), *flush_to_state, nullptr);
@@ -353,7 +358,7 @@
durations_.emplace_back(duration);
}
- void End() {
+ void End() override {
std::sort(durations_.begin(), durations_.end());
auto q1 = durations_.size() / 4;
auto q2 = durations_.size() / 2;
@@ -373,6 +378,27 @@
std::vector<long long> durations_;
};
+class PrintAllLogs : public SingleBufferOperation {
+ public:
+ PrintAllLogs(log_time first_log_timestamp, const char* buffer, const char* buffers)
+ : SingleBufferOperation(first_log_timestamp, buffer) {
+ LogMask mask = BuffersToLogMask(buffers);
+ auto lock = std::unique_lock{reader_list_.reader_threads_lock()};
+ std::unique_ptr<LogWriter> stdout_writer(new StdoutWriter());
+ std::unique_ptr<LogReaderThread> log_reader(
+ new LogReaderThread(log_buffer_.get(), &reader_list_, std::move(stdout_writer),
+ false, 0, mask, 0, {}, 1, {}));
+ reader_list_.reader_threads().emplace_back(std::move(log_reader));
+ }
+
+ void Operation() override {
+ // If the rate of reading logs is slower than the rate of incoming logs, then the reader
+ // thread is disconnected to not overflow log buffers, therefore we artificially slow down
+ // the incoming log rate.
+ usleep(100);
+ }
+};
+
int main(int argc, char** argv) {
if (argc < 3) {
fprintf(stderr, "Usage: %s FILE OPERATION [BUFFER] [OPTIONS]\n", argv[0]);
@@ -415,6 +441,9 @@
} else if (!strcmp(argv[2], "print_logs")) {
operation.reset(new PrintLogs(first_log_timestamp, argv[3], argc > 4 ? argv[4] : nullptr,
argc > 5 ? argv[5] : nullptr));
+ } else if (!strcmp(argv[2], "print_all_logs")) {
+ operation.reset(
+ new PrintAllLogs(first_log_timestamp, argv[3], argc > 4 ? argv[4] : nullptr));
} else if (!strcmp(argv[2], "nothing")) {
operation.reset(new SingleBufferOperation(first_log_timestamp, argv[3]));
} else {