From a4f4f1d8287c50b258ac469410b9cbd307c3c398 Mon Sep 17 00:00:00 2001
From: Adeeb Shihadeh <adeebshihadeh@gmail.com>
Date: Tue, 20 Oct 2020 21:07:12 -0700
Subject: [PATCH] Log last 1000 lines of tmux output in bootlog (#2149)

* log last 1000 lines of tmux output in bootlog

* add to bootlog

* fix tmux capture
old-commit-hash: 6b4957cba10985507c5ba2337ee08b6392f86ddb
---
 cereal                       | 2 +-
 launch_chffrplus.sh          | 3 +++
 selfdrive/loggerd/loggerd.cc | 3 +++
 3 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/cereal b/cereal
index 5c7e91abb7..7128f46571 160000
--- a/cereal
+++ b/cereal
@@ -1 +1 @@
-Subproject commit 5c7e91abb7fa93f86164fc48124c596bf9cfc849
+Subproject commit 7128f46571c9a2cafb350f13e8dcaf28d0f4134d
diff --git a/launch_chffrplus.sh b/launch_chffrplus.sh
index 7d27f1c6b1..e7fd3a257b 100755
--- a/launch_chffrplus.sh
+++ b/launch_chffrplus.sh
@@ -113,6 +113,9 @@ function launch {
   ln -sfn $(pwd) /data/pythonpath
   export PYTHONPATH="$PWD"
 
+  # write tmux scrollback to a file
+  tmux capture-pane -pq -S-1000 > /tmp/launch_log
+
   # start manager
   cd selfdrive
   ./manager.py
diff --git a/selfdrive/loggerd/loggerd.cc b/selfdrive/loggerd/loggerd.cc
index 105c81fd61..3a9e64e46c 100644
--- a/selfdrive/loggerd/loggerd.cc
+++ b/selfdrive/loggerd/loggerd.cc
@@ -593,6 +593,9 @@ static void bootlog() {
     std::string lastPmsg = util::read_file("/sys/fs/pstore/pmsg-ramoops-0");
     boot.setLastPmsg(capnp::Data::Reader((const kj::byte*)lastPmsg.data(), lastPmsg.size()));
 
+    std::string launchLog = util::read_file("/tmp/launch_log");
+    boot.setLaunchLog(capnp::Text::Reader(launchLog.data(), launchLog.size()));
+
     auto bytes = msg.toBytes();
     logger_log(&s.logger, bytes.begin(), bytes.size(), false);
   }