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platform_system_core/logd/Android.mk

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logd: initial checkin. * Create a new userspace log daemon for handling logging messages. Original-Change-Id: I75267df16359684490121e6c31cca48614d79856 Signed-off-by: Nick Kralevich <nnk@google.com> * Merge conflicts * rename new syslog daemon to logd to prevent confusion with bionic syslog * replace racy getGroups call with KISS call to client->getGid() * Timestamps are filed at logging source * insert entries into list in timestamp order * Added LogTimeEntry tail filtration handling * Added region locking around LogWriter list * separate threads for each writer * /dev/socket/logd* permissions Signed-off-by: Mark Salyzyn <salyzyn@google.com> (cherry picked from commit 3e76e0a49760c4970b7cda6153e51026af98e4f3) Author: Nick Kralevich <nnk@google.com> Change-Id: Ice88b1412d8f9daa7f9119b2b5aaf684a5e28098
2014-02-26 18:50:16 +01:00
LOCAL_PATH:= $(call my-dir)
include $(CLEAR_VARS)
logd: add getEventTag command and service Will register a new event tag by name and format, and return an event-log-tags format response with the newly allocated tag. If format is not specified, then nothing will be recorded, but a pre-existing named entry will be listed. If name and format are not specified, list all dynamic entries. If name=* list all event log tag entries. Stickiness through logd crash will be managed with the tmpfs file /dev/event-log-tags and through a reboot with add_tag entries in the pmsg last logcat event log. On debug builds we retain a /data/misc/logd/event-log-tags file that aids stickiness and that can be picked up by the bugreport. If we detect truncation damage to /dev/event-log-tags, or to /data/misc/logd/event-log-tags, rebuild file with a new first line signature incorporating the time so mmap'd readers of the file can detect the possible change in shape and order. Manual testing: Make sure nc (netcat) is built for the target platform on the host: $ m nc Then the following can be used to issue a request on the platform: $ echo -n 'getEventTag name=<name> format="<format>"\0EXIT\0' | > nc -U /dev/socket/logd Test: gTest logd-unit-test --gtest_filter=getEventTag* Bug: 31456426 Change-Id: I5dacc5f84a24d52dae09cca5ee1a3a9f9207f06d
2016-09-12 23:51:54 +02:00
LOCAL_MODULE := logtagd.rc
LOCAL_SRC_FILES := $(LOCAL_MODULE)
LOCAL_MODULE_CLASS := ETC
LOCAL_MODULE_TAGS := debug
LOCAL_MODULE_PATH := $(TARGET_OUT_ETC)/init
include $(BUILD_PREBUILT)
logd: Add logd_test * Test statistics output, all four main log id types are checked to be present, and output is properly formatted with header (ascii new-line terminated byte count) and trailer (newline formfeed) frames. * On dev build test dgram_qlen, circumvent if liblog benchmarks executed first though. * Test if kernel and user space loggers are present, and if any content has leaked to both. * test benchmark and use it to verify worst UID pruning Change-Id: I890c89f64825956f40108de806ed750b0170ac6c
2014-02-28 22:44:12 +01:00
include $(call first-makefiles-under,$(LOCAL_PATH))
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