| Commit message (Collapse) | Author | Age | Files | Lines |
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Discovered that we had a few libc hotspots. Adjust code to generally
reduce or nullify the number of calls to malloc, free, strlen,
strcmp, strncmp, memcmp & strncasecmp. Total gain looks to be about
3% of logd's processing time. malloc still contributes to 3%, but all
others are now total 0.5%.
Bug: 23685592
Change-Id: Ife721121667969260cdb8b055524ae90f5911278
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(charry pick from commit 511338dd575572d567c04d69eaea60627b6c3452)
BasicHashtable is relatively untested, move over to
a C++ template library that has more bake time.
Bug: 20419786
Bug: 21590652
Bug: 20500228
Change-Id: I926aaecdc8345eca75c08fdd561b0473504c5d95
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(cherry pick from commit 17ed6797df722464eb5cc6dfc3e1e32aec284b70)
Bug: 19608965
Change-Id: Ifbf0b00c48ef12b5970b9f9f217bd1dd8f587f2c
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(cherry pick from commit 7718778793b106498b931dd708a466cf3a6f6a0f)
- Android Coding Standard for Constructors
- Side effects NONE
Change-Id: I2cda9dd73f3ac3ab58f394015cb810820093d47b
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(cherry pick from commit ae4d928d816e30dbe57c2c321b0f0759d0567b3f)
- Add a klogd to collect the kernel logs and place them into a
new kernel log buffer
- Parse priority, tag and message from the kernel log messages.
- Turn off pruning for worst UID for the kernel log buffer
- Sniff for 'PM: suspend exit', 'PM: suspend enter' and
'Suspended for' messages and correct the internal definition
time correction against monotonic dynamically.
- Discern if we have monotonic or real time (delineation 1980) in
audit messages.
- perform appropriate math to correct the timestamp to be real time
- filter out any external sources of kernel logging
Change-Id: I8d4c7c5ac19f1f3218079ee3a05a50e2ca55f60d
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(cherry pick from commit 344bff4391dd434dda501e812f18f524290c5a7c)
- 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
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(cherry pick from commit 023f51f360472f6bb9bad495e55cdb32b5411bc5)
- When searching for uidToName from /data/system/packages.list
one must search for the uid % AID_USER;
- If uid % AID_USER is greater than AID_SHARED_GID_START - AID_APP,
then subract it and try again to pick up uidToName.
Change-Id: I24df42957ff7e746fffa5d39484637b1b726b9c0
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(Cherry pick from commit 81b3eabc49736b89c4f99940f79785074955eaa5)
Add EntryBase and EntryBaseDropped base classes for statistical
entries to inherit from. Abstract add(), subtract() and drop()
methods to common LogBufferElement in each for entry policy decisions.
Some move of details out of LogStatistics.cpp and place them into
LogStatistics.h. Add statistical add(), subtract() and
drop() methods to hash table to call entries for policy.
Bug: 19608965
Change-Id: Ib8a33a8fe28871ef165d1632c6546a5c606231e8
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(Cherry pick from commit 21fb7e0b753b2251369bfaa1c6f6a09e58e64437)
- 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
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Answer to the question "Bytes or Lines?"
Change-Id: I352737265aeac63ea8d89e778d4222a9123bdf07
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- prset(PR_SET_NAME) call once
- No need to call getuid(), should be AID_LOGD
Change-Id: I4dde0b178bc84e711b355cd7677b0dbf905a0634
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Change-Id: I9b0e655780924db125568179771e57b01e80aaae
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There is some usage statistics that would be hurt by pruning by UID,
since _all_ usage statistics come from system_server. In other words
we expect it to be chatty. Until we formulate and evaluate a better
(eg: per-tag?) filtration mechanism, lets hold off pruning by UID.
Bug: 19608965
Change-Id: Iddd45a671e13bdcf3394c20919ad1f2e4ef36616
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- 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
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a change slipped in from a rebase conflict, repairing.
Change-Id: Ib6479f88fb044f37b6721035c2f7cc75577c0411
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- read packages.list to acquire package names
- hijack the reinit handler as a privileged worker
Bug: 19608965
Change-Id: If7becb34354d6415e5c387ecea7d4109a15259c9
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- Optional class of statistics for PID
- Enhance pidToName
- Enhanced uidToName
- Enhance pidToUid
- template sort and iteration
Bug: 19608965
Change-Id: I04a1f02e9851b62987f9b176908134e455f22d1d
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regression from statistics rewrite series resulted in build breakage
Change-Id: I71b532b23437b9b5f3af47b18c9110f3d7dda48a
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- Go back to basic requirements
- Simplify
- use hash tables to minimize memory impact
Bug: 19608965
Change-Id: If7becb34354d6415e5c387ecea7d4109a15259c8
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This forward port reverts
commit e457b74ce6ee6d799812dc2ec5e4b8b18bcd3e91
No longer as necessary once we add
liblog: Instrument logging of logd write drops
Although this provided an indication of how close statistically we
were to overloading logd it is simpler to understand fails thus to
hunt and peck a corrected value for /proc/sys/net/unix/max_dgram_qlen
Change-Id: I2b30e0fc30625a48fd11a12c2d2cc6a41f26226f
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Change-Id: Ia41756e607663d056e7d2fdd7ecbec7e5841a913
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- uid = -1 in subtract operation to match add
Change-Id: I7d0b85b5334c5264fd04309cb78e0c9aec0ad261
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- Recognize pid=0 as special case (kernel or pre-init sourced)
and refrain from treating it in the general case.
Bug: 17526159
Change-Id: I74796043ac34753c6dd10018719ebc0bcd94e012
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- ro.build.type=user turn off statistics
- ro.config.low_ram=true turn off statistics
- logd.statistics override
Bug: 17526159
Bug: 17526187
Change-Id: I74796043ac34753c6dd10018719ebc0bcd94e00f
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- simplify access and control exposure to class list
- indent
- compile warning
- Follow standard naming convention for variables and methods
- merge common fragments
- Side Effects: none
Change-Id: I74796043ac34753c6dd10018719ebc0bcd94e010
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Bug: 17409250
Change-Id: Id50ebb57754b12d69ed605d0e2901b8e05c607c6
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Added parentheses as it was suggested by compiler.
error: suggest parentheses around operand of '!' or change '&' to '&&' or '!' to '~' [-Werror=parentheses]
Change-Id: Ic3746d9804488411d10d460ddfda11f1fad8efef
Signed-off-by: Arseniy Antonov <arseniy.antonov@intel.com>
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- ULONG_MAX is used against an uint32
- Add tv_sec_max and tv_nsec_max constants to log_time
Change-Id: Ic86cd7b0680868ad0536198b71a34cb19134fc22
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- oneline, add check for gone
- Add pidGone() method, which caches the gone status
Change-Id: I8f03daeafb58583c2b08ec6b540486c05da0872d
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- Drop in-place sorting.
- Add fast-track for uid sizes and elements.
- Add sort() for per-uid and per-pid statistics.
Change-Id: Ib8655d4cc0b3bd4e87534522987bcc7fc7a5251a
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- embellish pid name
- >1% of the logs
- fix PID gone detection (EPERM)
- some ? : cleanup
Change-Id: Iba3b306e1fee43e53931165819a398693910514b
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Fixes a leak and use-after-free if a client passes in an
already-allocated target buffer (currently none do)
Change-Id: Ie20c30bd5ba31e1b6db73885bd9d2ebd7e40dc27
Signed-off-by: Greg Hackmann <ghackmann@google.com>
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Change-Id: I23ebae1957c027bff6cbc2573a227bf0c44c08a2
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Change-Id: Idd8e804ab65feb8dc432150ae701464de1ad5302
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* Only enabled for dev builds because halves performance.
- Used to establish if /proc/sys/net/unix/max_dgram_qlen
is appropriate for the platform
(see logd/LogStatistics.cpp comments)
- enabled if logd.dgram_qlen.statistics is not zero/empty
Change-Id: Ib8ecfeb75b6f0f954c099a6b1032b8afb5efcbd4
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- liblog android_logger_get_log_size and android_logger_get_readable_size
adjusted to return long instead of int because of -G flag extending range
NB: ifdef'd only for userdebug and eng builds
- liblog Add android_logger_[sg]et_prune_list and android_logger_set_log_size
- logcat Add -P, -p and -G flags
- logd Add LogWhiteBlackList and configurable log size
(cherry picked from commit 18a5432158ad43b8faefe4950b30e760200ce0b4)
Change-Id: I1572338c1b34bd968ad7867857ef708156ec3b6a
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- logd add statistical collection and formatting
- liblog add android_logger_get_statistics call
- logcat add -S flag
- logcat add -b all
(cherry picked from commit 51a29c8dc445e4fb89860561933e54a231e6ffb4)
Change-Id: I521753b1969ecd4590c956aeeb1557d101059d67
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