From 13aca598f8e93548fef36d87136e85ce8c9d18de Mon Sep 17 00:00:00 2001 From: Mark Salyzyn Date: Wed, 9 Mar 2016 14:58:16 -0800 Subject: recovery: use __android_log_pmsg_file_write for log files (cherry-pick from commit a4f701af93a5a739f34823cde0c493dfbc63537a) - Add call to __android_log_pmsg_file_write for recovery logging. - Add call to refresh pmsg if we reboot back into recovery and then allow overwrite of those logs. - Add a new one-time executable recovery-refresh that refreshes pmsg in post-fs phase of init. We rely on pmsg eventually scrolling off to age the content after recovery-persist has done its job. - Add a new one-time executable recovery-persist that transfers from pmsg to /data/misc/recovery/ directory if /cache is not mounted in post-fs-data phase of init. - Build and appropriately trigger the above two as required if BOARD_CACHEIMAGE_PARTITION_SIZE is undefined. - Add some simple unit tests NB: Test failure is expected on systems that do not deliver either the recovery-persist or recovery-refresh executables, e.g. systems with /cache. Tests also require a timely reboot sequence of test to truly verify, tests provide guidance on stderr to direct. Bug: 27176738 Change-Id: I17bb95980234984f6b2087fd5941b0a3126b706b --- recovery-persist.rc | 3 +++ 1 file changed, 3 insertions(+) create mode 100644 recovery-persist.rc (limited to 'recovery-persist.rc') diff --git a/recovery-persist.rc b/recovery-persist.rc new file mode 100644 index 000000000..6761627d5 --- /dev/null +++ b/recovery-persist.rc @@ -0,0 +1,3 @@ +on post-fs-data + mkdir /data/misc/recovery 0770 system log + exec - system log -- /system/bin/recovery-persist -- cgit v1.2.3