Mathieu Desnoyers [Mon, 13 Apr 2020 20:52:10 +0000 (16:52 -0400)]
instrumentation: x86 kvm: remove compatibility code
Mathieu Desnoyers [Mon, 13 Apr 2020 20:50:19 +0000 (16:50 -0400)]
instrumentation: x86 kvm mmutrace: remove compatibility code
Mathieu Desnoyers [Mon, 13 Apr 2020 20:49:10 +0000 (16:49 -0400)]
statedump: remove compatibility code
Mathieu Desnoyers [Mon, 13 Apr 2020 20:47:42 +0000 (16:47 -0400)]
kprobes: remove kernel version blacklist
Mathieu Desnoyers [Mon, 13 Apr 2020 20:46:47 +0000 (16:46 -0400)]
wrapper: trace-clock: remove kernel version blacklist
Mathieu Desnoyers [Mon, 13 Apr 2020 20:45:47 +0000 (16:45 -0400)]
wrapper: trace-clock: remove compatibility code
Mathieu Desnoyers [Mon, 13 Apr 2020 20:44:43 +0000 (16:44 -0400)]
namespace contexts: remove compatibility code
Mathieu Desnoyers [Mon, 13 Apr 2020 20:42:22 +0000 (16:42 -0400)]
context cgroup ns: remove compatibility code
Mathieu Desnoyers [Mon, 13 Apr 2020 20:41:05 +0000 (16:41 -0400)]
instrumentation: writeback: remove compatibility code
Mathieu Desnoyers [Mon, 13 Apr 2020 20:37:08 +0000 (16:37 -0400)]
instrumentation: workqueue: remove compatibility code
Mathieu Desnoyers [Mon, 13 Apr 2020 20:36:27 +0000 (16:36 -0400)]
instrumentation: v4l2: remove compatibility code
Mathieu Desnoyers [Mon, 13 Apr 2020 20:35:58 +0000 (16:35 -0400)]
instrumentation: timer: remove compatibility code
Mathieu Desnoyers [Mon, 13 Apr 2020 20:34:55 +0000 (16:34 -0400)]
instrumentation: sock: remove compatibility code
Mathieu Desnoyers [Mon, 13 Apr 2020 20:34:30 +0000 (16:34 -0400)]
instrumentation: skb: remove unused version.h include
Mathieu Desnoyers [Mon, 13 Apr 2020 20:34:08 +0000 (16:34 -0400)]
instrumentation: signal: remove compatibility code
Mathieu Desnoyers [Mon, 13 Apr 2020 20:33:23 +0000 (16:33 -0400)]
instrumentation: scsi: remove compatibility code
Mathieu Desnoyers [Mon, 13 Apr 2020 20:32:41 +0000 (16:32 -0400)]
instrumentation: sched: remove compatibility code
Mathieu Desnoyers [Mon, 13 Apr 2020 20:30:49 +0000 (16:30 -0400)]
instrumentation: rpc: remove compatibility code
Mathieu Desnoyers [Mon, 13 Apr 2020 20:29:14 +0000 (16:29 -0400)]
instrumentation: regmap: remove unused include version.h
Mathieu Desnoyers [Mon, 13 Apr 2020 20:28:50 +0000 (16:28 -0400)]
instrumentation: rcu: remove compatibility code
Mathieu Desnoyers [Mon, 13 Apr 2020 20:23:57 +0000 (16:23 -0400)]
instrumentation: random: remove compatibility code
Mathieu Desnoyers [Mon, 13 Apr 2020 20:23:32 +0000 (16:23 -0400)]
instrumentation: printk: remove compatibility code
Mathieu Desnoyers [Mon, 13 Apr 2020 20:23:05 +0000 (16:23 -0400)]
instrumentation: preemptirq: remove compatibility code
Mathieu Desnoyers [Mon, 13 Apr 2020 20:21:59 +0000 (16:21 -0400)]
instrumentation: power: remove compatibility code
Mathieu Desnoyers [Mon, 13 Apr 2020 20:18:35 +0000 (16:18 -0400)]
instrumentation: net: remove compatibility code
Mathieu Desnoyers [Mon, 13 Apr 2020 20:17:44 +0000 (16:17 -0400)]
instrumentation: napi: remove compatibility code
Mathieu Desnoyers [Mon, 13 Apr 2020 20:17:12 +0000 (16:17 -0400)]
instrumentation: module: remove compatibility code
Mathieu Desnoyers [Mon, 13 Apr 2020 20:16:45 +0000 (16:16 -0400)]
instrumentation: mm_vmscan: remove compatibility code
Mathieu Desnoyers [Mon, 13 Apr 2020 20:14:34 +0000 (16:14 -0400)]
instrumentation: lttng-test.h: remove unused include version.h
Mathieu Desnoyers [Mon, 13 Apr 2020 20:14:15 +0000 (16:14 -0400)]
instrumentation: lttng-statedump: remove compatibility code
Mathieu Desnoyers [Mon, 13 Apr 2020 20:13:10 +0000 (16:13 -0400)]
instrumentation: kvm: remove compatibility code
Mathieu Desnoyers [Mon, 13 Apr 2020 20:11:45 +0000 (16:11 -0400)]
instrumentation: kmem: remove compatibility code
Mathieu Desnoyers [Mon, 13 Apr 2020 20:07:41 +0000 (16:07 -0400)]
instrumentation: jbd: remove deprecated probe
Mathieu Desnoyers [Mon, 13 Apr 2020 20:06:58 +0000 (16:06 -0400)]
instrumentation: jbd2: remove compatibility code
Mathieu Desnoyers [Mon, 13 Apr 2020 20:05:45 +0000 (16:05 -0400)]
instrumentation: ext3: remove compatibility code
Mathieu Desnoyers [Mon, 13 Apr 2020 20:00:50 +0000 (16:00 -0400)]
instrumentation: remove deprecated ext3 probe
Mathieu Desnoyers [Mon, 13 Apr 2020 19:58:51 +0000 (15:58 -0400)]
instrumentation: compaction: remove compatibility code
Mathieu Desnoyers [Mon, 13 Apr 2020 19:57:54 +0000 (15:57 -0400)]
instrumentation: btrfs: remove compatibility code
Mathieu Desnoyers [Mon, 13 Apr 2020 19:51:53 +0000 (15:51 -0400)]
instrumentation: block: remove compatibility code
Mathieu Desnoyers [Mon, 13 Apr 2020 19:48:23 +0000 (15:48 -0400)]
instrumentation: remove asoc probe
Mathieu Desnoyers [Mon, 13 Apr 2020 19:47:26 +0000 (15:47 -0400)]
instrumentation: 9p: remove compatibility code
Mathieu Desnoyers [Mon, 13 Apr 2020 19:43:49 +0000 (15:43 -0400)]
instrumentation: syscalls: remove backward compatibility for older kernels
Mathieu Desnoyers [Mon, 13 Apr 2020 19:41:00 +0000 (15:41 -0400)]
wrapper: user_namespace.h: remove backward compatibility code
Mathieu Desnoyers [Mon, 13 Apr 2020 19:37:48 +0000 (15:37 -0400)]
wrapper: remove list wrapper
Mathieu Desnoyers [Mon, 13 Apr 2020 19:26:36 +0000 (15:26 -0400)]
wrapper: remove kallsyms wrapper
Mathieu Desnoyers [Mon, 13 Apr 2020 19:25:58 +0000 (15:25 -0400)]
wrapper: remove inline_memcpy.h
Mathieu Desnoyers [Mon, 13 Apr 2020 19:20:57 +0000 (15:20 -0400)]
wrapper: compiler.h: remove READ_ONCE/WRITE_ONCE wrappers
Mathieu Desnoyers [Mon, 13 Apr 2020 19:19:25 +0000 (15:19 -0400)]
wrapper: remove atomic.h wrapper
Mathieu Desnoyers [Mon, 13 Apr 2020 19:13:06 +0000 (15:13 -0400)]
callstack context: use GPL-exported symbols
Mathieu Desnoyers [Mon, 13 Apr 2020 18:51:23 +0000 (14:51 -0400)]
wrapper: remove genhd wrapper
Mathieu Desnoyers [Mon, 13 Apr 2020 18:48:32 +0000 (14:48 -0400)]
wrapper: remove task prio wrapper
Mathieu Desnoyers [Mon, 13 Apr 2020 18:46:22 +0000 (14:46 -0400)]
wrapper: remove namespace.h wrapper
Mathieu Desnoyers [Mon, 13 Apr 2020 18:42:50 +0000 (14:42 -0400)]
wrapper: remove page_alloc wrapper
Mathieu Desnoyers [Mon, 13 Apr 2020 18:40:18 +0000 (14:40 -0400)]
wrapper: remove perf wrapper
Mathieu Desnoyers [Mon, 13 Apr 2020 18:38:51 +0000 (14:38 -0400)]
Fix: wrapper random documentation
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Mon, 13 Apr 2020 18:35:58 +0000 (14:35 -0400)]
wrapper: remove syscall wrapper
Mathieu Desnoyers [Mon, 13 Apr 2020 18:31:50 +0000 (14:31 -0400)]
wrapper: remove timer wrapper
Mathieu Desnoyers [Mon, 13 Apr 2020 18:27:55 +0000 (14:27 -0400)]
wrapper: remove uprobes wrapper
Mathieu Desnoyers [Mon, 13 Apr 2020 18:26:24 +0000 (14:26 -0400)]
wrapper: remove types.h wrapper
Mathieu Desnoyers [Mon, 13 Apr 2020 18:24:16 +0000 (14:24 -0400)]
wrapper: remove percpu-defs.h wrapper
Mathieu Desnoyers [Mon, 13 Apr 2020 18:22:27 +0000 (14:22 -0400)]
wrapper: remove mm.h wrapper
Mathieu Desnoyers [Mon, 13 Apr 2020 18:18:51 +0000 (14:18 -0400)]
wrapper: remove frame.h wrapper
Mathieu Desnoyers [Mon, 13 Apr 2020 18:14:41 +0000 (14:14 -0400)]
wrapper: remove file.h wrapper
Mathieu Desnoyers [Mon, 13 Apr 2020 18:10:19 +0000 (14:10 -0400)]
wrapper: remove irq wrapper
Mathieu Desnoyers [Mon, 13 Apr 2020 18:08:04 +0000 (14:08 -0400)]
wrapper: remove poll wrapper
Mathieu Desnoyers [Mon, 13 Apr 2020 16:49:11 +0000 (12:49 -0400)]
wrapper: remove kref_get wrapper
Mathieu Desnoyers [Mon, 13 Apr 2020 16:39:24 +0000 (12:39 -0400)]
wrapper: remove tracepoint wrapper
Mathieu Desnoyers [Mon, 13 Apr 2020 16:34:46 +0000 (12:34 -0400)]
wrapper: remove lttng_access_ok() wrapper
Mathieu Desnoyers [Mon, 13 Apr 2020 16:32:17 +0000 (12:32 -0400)]
wrapper: remove time.h wrapper
Mathieu Desnoyers [Mon, 13 Apr 2020 16:31:00 +0000 (12:31 -0400)]
wrapper: remove writeback wrapper
Mathieu Desnoyers [Mon, 13 Apr 2020 16:26:59 +0000 (12:26 -0400)]
wrapper: remove fdtable wrapper
Mathieu Desnoyers [Mon, 13 Apr 2020 16:23:25 +0000 (12:23 -0400)]
wrapper: remove splice_to_pipe wrapper
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Mon, 13 Apr 2020 16:20:27 +0000 (12:20 -0400)]
wrapper: Remove irqdesc wrapper
Mathieu Desnoyers [Mon, 13 Apr 2020 16:18:36 +0000 (12:18 -0400)]
Fix: add missing wrapper include to lttng-context-callstack.c
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Mon, 13 Apr 2020 15:09:13 +0000 (11:09 -0400)]
wrapper: remove vmalloc_sync_all
Mathieu Desnoyers [Mon, 13 Apr 2020 16:16:43 +0000 (12:16 -0400)]
Use guid_gen for kernels >= 5.7.0
** note: removes backward compatibility. **
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Mon, 13 Apr 2020 16:13:39 +0000 (12:13 -0400)]
Update writeback instrumentation for kernel >= 5.7.0
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Mon, 13 Apr 2020 16:06:05 +0000 (12:06 -0400)]
Update x86 kvm instrumentation for kernel >= 5.7.0
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Mon, 13 Apr 2020 15:44:23 +0000 (11:44 -0400)]
instrumentation: update x86 kvm instrumentation for kernel >= 5.7.0
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Mon, 13 Apr 2020 15:38:48 +0000 (11:38 -0400)]
instrumentation: update mm_vmscan for kernel >= 5.7.0
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Tue, 7 Apr 2020 17:07:54 +0000 (13:07 -0400)]
tracepoint: Refactor representation of nested types
Refactor enumeration, sequence, array, structure, and variant types.
Implement internal data structures to support nested types.
All probe providers using ctf_enum(), ctf_array*() and ctf_sequence*()
are switched to this new internal type representation.
Each of sequence, array, struct and variant gain a "alignment" property,
which is a feature which was needed in lttng-modules to express
alignment for an array or sequence of bits.
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Mon, 6 Apr 2020 16:00:47 +0000 (12:00 -0400)]
wrapper/compiler.h: Implement __LTTNG_COMPOUND_LITERAL
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Michael Jeanson [Tue, 31 Mar 2020 18:29:29 +0000 (14:29 -0400)]
Update to SPDX v3.0 identifiers
The short form of GPL-2.0 and LGPL-2.1 were deprecated in favour of the
clearer GPL-2.0-only and GPL-2.0-or-later in the SPDX license list v3.0.
Signed-off-by: Michael Jeanson <mjeanson@efficios.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Change-Id: If2337f5c67a2548d7f25043e67006211213cbe3e
Michael Jeanson [Thu, 2 Apr 2020 18:08:36 +0000 (14:08 -0400)]
fix: uaccess wrapper for CentOS >= 4.18.0-147
Fixes: #1253
Signed-off-by: Michael Jeanson <mjeanson@efficios.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Change-Id: I2a79c1c0e897a6148e60e5599949cd2778d09d50
Michael Jeanson [Thu, 2 Apr 2020 18:08:09 +0000 (14:08 -0400)]
fix: ext4 instrumentation for CentOS >= 4.18.0-147
Fixes: #1253
Signed-off-by: Michael Jeanson <mjeanson@efficios.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Change-Id: I1fd54af16fbb02cd4b3ab7fc7d9232708088f1fd
Michael Jeanson [Thu, 2 Apr 2020 18:07:47 +0000 (14:07 -0400)]
fix: signal instrumentation for CentOS >= 4.18.0-147
Fixes: #1253
Signed-off-by: Michael Jeanson <mjeanson@efficios.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Change-Id: I280013402df6f14222fbb912cdf64d80af3ab265
Michael Jeanson [Thu, 2 Apr 2020 18:07:21 +0000 (14:07 -0400)]
fix: kvm instrumentation for CentOS >= 4.18.0-147
Fixes: #1253
Signed-off-by: Michael Jeanson <mjeanson@efficios.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Change-Id: Ide20ebf51bec503866ffc96dda3e0b09ebeb14d6
Michael Jeanson [Thu, 2 Apr 2020 18:06:17 +0000 (14:06 -0400)]
fix: rcu instrumentation for CentOS >= 4.18.0-80
Fixes: #1253
Signed-off-by: Michael Jeanson <mjeanson@efficios.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Change-Id: I1735d2caa7215ce94272aaaa98cbbc8f3a10743d
Michael Jeanson [Mon, 30 Mar 2020 21:43:16 +0000 (17:43 -0400)]
Fix: update kvm instrumentation for Ubuntu 5.3.0-45
This commit introduced in 5.3.0-43 was dropped in 5.3.0-45 and reintroduced
in 5.3.0-46:
commit
795f8a34f279e17c279bba46da10f15c5dd00264
Author: Sean Christopherson <sean.j.christopherson@intel.com>
Date: Fri Dec 6 15:57:14 2019 -0800
KVM: x86: Use gpa_t for cr2/gpa to fix TDP support on 32-bit KVM
BugLink: https://bugs.launchpad.net/bugs/1867051
[ Upstream commit
736c291c9f36b07f8889c61764c28edce20e715d ]
Fun times!
Signed-off-by: Michael Jeanson <mjeanson@efficios.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Change-Id: Ia5f1a4ba355f592f09e964038b6334ddb3ad5153
Michael Jeanson [Tue, 24 Mar 2020 18:20:48 +0000 (14:20 -0400)]
Fix: update kvm instrumentation for Ubuntu 5.3.0-43
Signed-off-by: Michael Jeanson <mjeanson@efficios.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Change-Id: I1ce5f9ebba997fcc4cfbae6901eed479e2e1a79e
Mathieu Desnoyers [Tue, 24 Mar 2020 13:42:23 +0000 (09:42 -0400)]
Fix: fcntl enum: only emit F_GETOWNER_UIDS for kernels >= 3.6
It appears in upstream Linux kernel
commit
1d151c337d79 "c/r: fcntl: add F_GETOWNER_UIDS option"
which was first released in v3.6.
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Geneviève Bastien [Wed, 11 Mar 2020 16:38:51 +0000 (12:38 -0400)]
syscalls: Make the cmd field of fcntl an enum
The fcntl system call has a cmd parameter which is one of multiple
values defined in the linux/fcntl.h file. This field is now an
enumeration of the various possible values.
Here's an example babeltrace output of the fcntl system call:
[...] syscall_entry_fcntl: { cpu_id = 3 }, { fd = 35,
cmd = ( "F_GETFL" : container = 3 ), arg =
140388746332169 }
Change-Id: I06f511d5dba986aaf01b50057cbe6eac789bbea7
Signed-off-by: Geneviève Bastien <gbastien+lttng@versatic.net>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Geneviève Bastien [Wed, 11 Mar 2020 16:33:04 +0000 (12:33 -0400)]
syscalls: Make the flags and mode fields of open[at] enumerations
The open and openat system call have a flags and mode fields, whose values
are defined in the linux/fcntl.h file. These fields are now
enumerations that can be read as a bit field enum, to make the values more
readable / meaningful.
Here's an example babeltrace output of the open system call:
[...] syscall_entry_openat: { cpu_id = 0 }, { dfd = -100,
filename = "/tmp/edg0_383407",
flags = ( "O_RDWR" | "O_CREAT" | "O_TRUNC" : container = 578 ),
mode = ( "S_IWOTH" | "S_IROTH" | "S_IWGRP" | "S_IRGRP" |
"S_IWUSR" | "S_IRUSR" : container = 438 ) }
Change-Id: Id7a516670b03e52fc75f9ff3c6ba8114c61a3865
Signed-off-by: Geneviève Bastien <gbastien@versatic.net>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Michael Jeanson [Mon, 23 Mar 2020 18:48:24 +0000 (14:48 -0400)]
Fix: update kvm instrumentation for Ubuntu 4.15.0-92
Signed-off-by: Michael Jeanson <mjeanson@efficios.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Change-Id: Ib367b9a0ce3846f45313906e710a9a6d644e3955
Francis Deslauriers [Fri, 20 Mar 2020 20:23:17 +0000 (16:23 -0400)]
Record event as soon as one filter evaluates to TRUE
This is a tiny optimization but it can reduce tracing cost in cases
where multiple filters are attached to a probe.
Since we want to trace an event if any of its filter expressions
evaluates to TRUE, there is no need to keep on evaluating expressions
once one is found to be TRUE.
Signed-off-by: Francis Deslauriers <francis.deslauriers@efficios.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Change-Id: I6b5b7697869d3e25dc24d38dc39c34ae1d49dcc9
Florian Walbroel via lttng-dev [Tue, 17 Mar 2020 09:03:19 +0000 (10:03 +0100)]
Add UDP and ICMP packet header information to the tracepoint
* UDP transport header
* ICMP transport header
Signed-off-by: Florian Walbroel <walbroel@silexica.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Tue, 10 Mar 2020 19:00:29 +0000 (15:00 -0400)]
statedump: introduce file_table_address
Currently the LTTng-modules statedump simply iterates over all processes
in the system and assumes all threads share the same file descriptor
table, which is only true if threads were created with clone
CLONE_FILES.
Directly invoking clone without the CLONE_FILES creates threads which
belong to the same process, but have their own file descriptor table.
Therefore, model-wise, we cannot assume that all threads in a process
have the same fd table content.
Add a new "file_table_address" field to the lttng_statedump_process_state
event, which dumps the address of the thread's struct files_struct
pointer. This pointer is guaranteed to never be re-used while we hold
the RCU read-side lock (so for the entire iteration over
processes/threads).
For the lttng_statedump_file_descriptor event, remove the "pid" field
(which is semantically inaccurate) and add a "file_table_address" field,
which contains the struct files_struct address of the file table
containing the file descriptor.
An optimization is performed to eliminate most duplcated file table
content by skipping file table dump if the same file table address is
encountered consecutively while iterating over a process' threads.
This introduces a semantic change to the statedump fields, and will
therefore be introduced in lttng-modules 2.12 onwards, not backported as
a fix.
Fixes: #1245
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Michael Jeanson [Wed, 4 Mar 2020 20:45:18 +0000 (15:45 -0500)]
Remove kernel version from syscall headers name
This will reduce the delta when updating the syscall headers and make it
easier to track the changes.
Add a comment in the headers to track the version they were generated
from.
Change-Id: I939e1ebd8ab18d880ff1394e771982b5491d3b19
Signed-off-by: Michael Jeanson <mjeanson@efficios.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Michael Jeanson [Wed, 4 Mar 2020 20:37:11 +0000 (15:37 -0500)]
Add script to automate the syscall extraction process
Change-Id: Ic8e1e62058616f221569e1f5ed2ffb9d54275af5
Signed-off-by: Michael Jeanson <mjeanson@efficios.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Michael Jeanson [Wed, 4 Mar 2020 20:21:03 +0000 (15:21 -0500)]
Update lttng-syscalls-extractor for v5.6.0
Signed-off-by: Michael Jeanson <mjeanson@efficios.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Change-Id: I48e4d82484d6edcc7601a40d2f94e5c46ad5184b
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