Quick low-risk to resolve possible hash table corruption.
Resolved an unlikely path memory leak.
ToDo: replace lock with nested lock so no lock
helpers are required.
Bug: 22068332
Change-Id: I303ab06608502c7d61d42f111a9c43366f184d0c
- regression in log_strtok_r (part deux) In commit
'logd: fix kernel logline stutter'
2c3b300fd8 we introduced log_strtok_r.
as a replacement for strtok_r that dealt with a problem with
some kernel log messages. Fix is to refine definition of
is_timestamp to not match on patterns like [0], requiring
a single period. Another fix is to refine definition of
is_prio to properly escape non-digit content.
- Missing content because SYSLOG_ACTION_SIZE_BUFFER with added logging
is too short for full read of SYSLOG_ACTION_READ_ALL dropping
initial content. Add a margin for additional 1024 bytes.
- Absolute _first_ log entry has sequence number of 1, which is
specifically dropped, start sequence count at 1 rather than 0.
- Remove trailing space for efficiency.
- If tag exists but no content, trick into kernel logging.
Bug: 21851884
Change-Id: I0867a555a3bca09bbf18d18e75e41dffffe57a23
- Default level when not specified is ANDROID_LOG_VERBOSE
which is inert.
Bug: 20416721
Bug: 19544788
Bug: 17760225
Change-Id: Icc098e53dc47ceaaeb24ec42eb6f61d6430ec2f6
- Cleanup resulting from experience and feedback
- When filtering inside logd, drop any leading expire messages, they
are cluttering up leading edge of tombstones (which filter by pid)
- Increase and introduce EXPIRE_RATELIMIT from 1 to 10 seconds
- Increase EXPIRE_THRESHOLD from 4 to 10 count
- Improve the expire messages from:
logd : uid=1000(system) too chatty comm=com.google.android.phone,
expire 2800 lines
change tag to be more descriptive, and reduce accusatory tone to:
chatty : uid=1000(system) com.google.android.phone expire 2800
lines
- if the UID name forms a prefix for comm name, then drop UID name
Change-Id: Ied7cc04c0ab3ae02167649a0b97378e44ef7b588
- Optional class of statistics for events Tags
- export tagToName from LogBuffer (located in main.cp to address
https://android-review.googlesource.com/#/c/110204)
- Can not handle dropped because getTag() can not work,
will need to be fixed if we start filtering.
Bug: 19608965
Change-Id: I7b90607ca588bf37bab71f19b1570a290e772776
- Report applications UID, TID/PID by name.
- change wording to have an accurate connotation
- drop privilege check since filtered upstream
Bug: 19608965
Bug: 20334069
Bug: 20370119
Change-Id: I2b1c26580b4c2de293874214ff5ae745546f3cca
- internal dropped entries are associated by prune by worst UID
and are applied by UID and by PID
- track dropped entries by rewriting them in place
- merge similar dropped entries together for same UID(implied),
PID and TID so that blame can more clearly be placed
- allow aging of dropped entries by the general backgound pruning
- report individual dropped entries formatted to reader
- add statistics to track dropped entries by UID, the combination
of statistics and dropped logging can track over-the-top Chattiest
clients.
Bug: 19608965
Change-Id: Ibc68480df0c69c55703270cd70c6b26aea165853
- switch to simpler and faster internal sequence number, drops
a syscall overhead on 32-bit platforms.
- add ability to break-out of flushTo loop with filter return -1
allowing in reduction in reader overhead.
Change-Id: Ic5cb2b9afa4d9470153971fc9197b07279e2b79d
- structure packing
- move towards log_time from struct timespec
- extend log_time to cover differences between
log_time and struct timespec
Change-Id: I106ed0b609917306d170044054b5b32645f2a295
* 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 3e76e0a497)
Author: Nick Kralevich <nnk@google.com>
Change-Id: Ice88b1412d8f9daa7f9119b2b5aaf684a5e28098
