Hi Marcel,
- Original Message -
> From: "Marcel Hamer via lttng-dev"
> To: "lttng-dev"
> Sent: Monday, 13 June, 2022 07:49:39
> Subject: [lttng-dev] [lttng-tools] Removal of root_regression tests
> Hello,
>
> Since version v2.12.9 of lttng-tools the root_regression file has been
Hi Marcel,
This is exactly the kind of reproducer we are looking for.
Thanks for providing it. I'll try it out and check if we need anything more in
that patch.
Cheers
- Original Message -
> From: "Marcel Hamer"
> To: "jonathan rajotte-julien"
> Cc: &quo
Hi Marcel,
Thanks for sending this patch.
Looks sensible to me, still do you have a reproducer for it? I went back to bug
1352 and even with https://bugs.lttng.org/attachments/546 was unable to force
the assert failure.
Cheers
- Original Message -
> From: "Marcel Hamer via lttng-dev"
@lists.lttng.org
> https://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev
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ave a look at the overall architecture of lttng before going
further [1].
[1] https://lttng.org/docs/v2.13/#doc-plumbing
Cheers
>
> Looking forward to your reply！
>
> thx
>
> Yuhua
>
>
>
>
> -原始邮件-
> 发件人:"Jonathan Rajotte-Julien"
&g
Hi
> I wonder if my socket recv function is blocked on the other end, causing the
> socket send function to block in print_message function in babeltrace2;or when
> printing to the console, the printing speed can't keep up with the parsed CTF
> data generation speed and the print buffer is also
exist in the traced application?
>
> Thanks
> zhenyu.ren
>
>
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your
> employment
> at EfficiOS to EfficiOS Inc. ?
>
> This particularly affects the lttng-tools files with copyright:
>
> Copyright (C) 201N Jonathan Rajotte
>
> Thanks!
>
> Mathieu
>
> --
> Mathieu Desnoyers
> EfficiOS In
-
> From: "Alexander Kanavin"
> To: "lttng-dev" , "Francis Deslauriers"
> , "jonathan
> rajotte-julien"
> Cc: "Alexander Kanavin"
> Sent: Thursday, December 2, 2021 3:04:12 PM
> Subject: [PATCH] lttng-ust-common: link
re
> somewhere I didn't look.
>
> Evan Galea
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Hi Julien,
A fix is on the way for libfd-tracker lib problem:
https://review.lttng.org/c/lttng-tools/+/6045
> Thank you ! The following modification is working :
> lttng-sessiond --consumerd32-libdir=/usr/local/lib32
> --consumerd32-path=/usr/local/lib32/lttng/libexec/lttng-consumerd
Hi,
> I am currently trying to add lttng 32bits on a 64bits system with a custom
> kernel 4.19.177+ x86_64 (Debian 10.9)
> My former attempt only with only a 100% arm32 bits was successful (raspberry).
> I am facing now a strange issue : I can record kernel event but not userspace
> event... but
nt_overwrite,lttng_tracer
>
>
>
> Any suggestions appreciated.
>
>
>
> Thank you.
>
>
>
> Merlin
>
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m at a loss to understand what it is
> complaining about from the message.
Me too.
>
>
>
> Modules seem to load fine.
Modules are loaded by the lttng-sessiond executable. Here only the CLI
executable seems to be having some problem.
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indow". This is only valid if the viewer is not
"late" and have consumed everything at the moment it detach.
Cheers
- Original Message -
> From: "Eqbal"
> To: "Jonathan Rajotte-Julien"
> Cc: "lttng-dev"
> Sent: Monday, Ma
e2 cli.
>
> I would like to understand what is the reason for such behavior and if
> playing with the polling interval in relation to the DELAYUS value is the
> right thing to do.
>
> Thanks,
> Eqbal
> ___
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rd handling of how we handle the first "empty"
retry and the subsequent get phase. After the initial phase everything seems to
work as expected.
[1] https://bugs.lttng.org/
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, but it does not reach babeltrace consumer application. I
> have noticed the same behavior with babeltrace2 cli.
Could you also test against babeltrace 1.5? It might give us a bit of a head
start to debug this if it turns out to be unexpected behaviour.
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> I followed your command sequence and noticed a bunch of files being
> created. However when I tried to run babeltrace on these outputs I don't
> see any of the functions that should have been called. Including below the
> search for symbols.
At least userspace tracing seems to work.
I would
ntioned bug (1286) [1], the principal concern is:
"
This means a non-root application could theoretically impersonate a root
application from a tracing perspective, and thus access root tracing buffers in
a per-uid configuration, which is unwanted.
"
[1] https://bugs.lttng.org/issues
please edit your Subject line so it is more specific
> > than "Re: Contents of lttng-dev digest..."
> >
> >
> > Today's Topics:
> >
> >1. Re: Can't trace function calls (Jonathan Rajotte-Julien)
> >
> >
> > --
application_here
Note that debug log will be outputted on stderr.
Cheers
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creates BEFORE_FIRST_PATH
> 6. gen_ust_event creates 100 events
> 7. test_event_tracker waits for gen_event_ust to end
> 8. test_event finishes and since it tracked the faulty pid the result will
> be 0 events == OK
>
> This is in principle how gen-kernel-test-events works (b
sync-before-exit-touch", required_argument, 0, 'e'},
> *+ {"sync-before-first-event", required_argument, 0, 'f'},*
>
> {0, 0, 0, 0}
> };
>
>
> I will create one or more patches for this tomorrow
>
> Anders Wallin
>
>
> On Wed, Mar 31, 20
> #
> # SPDX-License-Identifier: GPL-2.0-only
>
> -TEST_DESC="LTTng - Event traker test"
> +TEST_DESC="LTTng - Event tracker test"
>
> CURDIR=$(dirname "$0")/
> TESTDIR="$CURDIR/../../.."
> @@ -42,6 +42,8 @@ function prepare_ust_app
>
> $TESTAPP_BIN -i $NR_ITER -w $NR_USEC_WAIT -a
utput."? LTTng produces
traces encoded in CTF (Common Trace Format) that must be read by a reader
(Babeltrace most of the time).
Cheers
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ependencies without any major
modification.
Still, we will wait for the config.log file before putting this in the: not a
lttng problem.
Cheers
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ere :
> https://lists.lttng.org/pipermail/lttng-dev/2013-February/019641.html
>
> Would you mind helping me ?
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e scenario I am able to get my last clean snapchot.
That is also a good bet :).
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://paste.ubuntu.com/p/Tjxn3V7g5j/
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o.o hello-tp.o -L/usr/local/lib -llttng-ust -ldl
> (I just wanted to focus the importance of -L/usr/local/lib)
>
>
> De : Jonathan Rajotte-Julien
> Envoyé : mercredi 24 mars 2021 16:32
> À : MONTET Julien
> Cc : lttng-dev
> Objet : Re: [lttng-dev] Issues on basic LTTng
Hi Julien,
Please always keep the mailing list in CC.
> I am running 'lttng list --userspace' with the application running in another
> terminal (like the tutorial, and also with a while that loop on
> tracepoint(...).
ok.
>
> You can find here the Ubuntu paste : Ubuntu
>
tng-ust should appear on the stderr.
Please use a paste service [2] to share this information with us.
[2] https://paste.ubuntu.com/
Au plaisir!
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might find some piece of valuable information.
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Hi Quiang,
Please test the attached patch.
Cheers
On Sat, Jan 09, 2021 at 05:40:48AM +, Zhang, Qiang wrote:
>
>
> ____
> 发件人: Jonathan Rajotte-Julien
> 发送时间: 2021年1月8日 0:54
> 收件人: Zhang, Qiang
> 抄送: lttng-dev
> 主题: Re: 回复: help
ementation and the
optimized inlining config option (CONFIG_OPTIMIZE_INLINING).
These should help us validate this lead.
Cheers
On Thu, Jan 07, 2021 at 01:20:54AM +, Zhang, Qiang wrote:
>
>
> ____
> 发件人: Jonathan Rajotte-Julien
> 发送时间: 2021年1月6日 23:03
Hi,
> The version of my lttng is: lttng (LTTng Trace Control) 2.10.7 - KeKriek.
Please upgrade to lttng 2.12.x. Container awareness was added in the 2.12
release
cycle.
Cheers
> Thanks,
> Serica
>
>
> --原始邮件--
> 发件人:
> From: "熊毓华"
> To: "Jonathan Rajotte-Julien" ,
> "lttng-dev"
> Sent: Friday, November 27, 2020 10:32:07 AM
> Subject: Re: Re: [lttng-dev] Some confusion about cpu usage of the
> lttng-consumerd process
> Hi，Dear.
Side note, you can remo
Why it is like this？How should this phenomenon be analyzed?
>
> Looking forward to your reply.
>
> thanks,
> yuhua
>
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might have some left...
>
>
> John Weber
> Ball Aerospace
> ITS ND System Administrator
> 10 Longs Peak Dr., Broomfield, CO 80021
> C: 303-807-3608 P: 303-234-2103
> E: jweb...@ball.com
>
>
>
>
>
>
>
> -Original Mes
b...@ball.com
>
>
>
>
>
>
>
> -Original Message-
> From: Jonathan Rajotte-Julien
> Sent: Friday, November 20, 2020 11:48 AM
> To: Weber, John
> Cc: 'lttng-dev@lists.lttng.org'
> Subject: [EXTERNAL] Re: [lttng-dev] lttng 2.12 install
>
> Hi
his email address.
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anzer
> Software Development Engineer
>
> [cid:image001.png@01D3BF6E.185110B0]
>
> Räffelstrasse 28
>
> 8045 Zürich
> E:
> moritz.pflan...@hexagon.com<mailto:moritz.pflan...@hexagon.com><mailto:carolin.sieb...@hexagon.com>
> W: http://www.hexagongeosystems.com
&
systems.com
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> When your account gets activated, could you copy this into the new
> issue's description?
I manually activated it. You should be good to go.
>
> This way you can receive notifications when the issue gets updated.
>
> Thank you,
>
> Phil
>
___
On Thu, Jul 02, 2020 at 08:38:57AM +0800, zhenyu.ren via lttng-dev wrote:
> Thanks a lot. I will try single quotes but it may take hours get the result.
> Yesterday, I enabled the verbose option ,and found the following message "UST
> app reply event failed. Application died (in
vance!
>
> Best regards,
> Lukasz
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Hi Abhinav,
Please keep the mailing list in CC for all communication:
lttng-dev@lists.lttng.org
If not, I am not interested in helping you further.
On Wed, May 13, 2020 at 09:26:52PM +0530, Abhinav Ranjan wrote:
> Hi! Jonathan thank you so much for your help and reply! Sure I'll not use
>
Hi Abhinav,
Please refrain from using screenshots when pastebin could be used (code,
commands, etc).
On Wed, May 13, 2020 at 10:29:22AM +0530, Abhinav Ranjan via lttng-dev wrote:
> Hello Sir,
> I am Abhinav from India.
> *Kindly Ignore the previous email.*
> Actually I am very new to the
lar performance with both bt1 and
> bt2. Although
> a colleague tried on a recent AMD Ryzen 3700X CPU, and he says bt2 is slower
> than bt1 for
> him (36s vs 33s). I'd be curious to know what kind of numbers you get.
>
> Simon
>
e/master/src/common/fd-tracker
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acingsummit.org/ts/2019/files/Tracingsummit2019-babeltrace2-marchi.pdf
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ch X loop iterations and deduce the
rate from there. Keep in mind that this will require accounting and
will add to the workload etc.
It all depends on the granularity you are looking for.
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This mimics what is done on the track side.
Fixes #1210
Signed-off-by: Jonathan Rajotte
---
Used wrong issue number.
---
src/bin/lttng-sessiond/trace-ust.c | 8 ++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/src/bin/lttng-sessiond/trace-ust.c
b/src/bin/lttng-sessiond
This mimics what is done on the track side.
Fixes #1209
Signed-off-by: Jonathan Rajotte
---
src/bin/lttng-sessiond/trace-ust.c | 8 ++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/src/bin/lttng-sessiond/trace-ust.c
b/src/bin/lttng-sessiond/trace-ust.c
index 486b53d30
Hi,
On Wed, Nov 06, 2019 at 11:59:41AM +0800, 杨海 wrote:
> Thanks Jonathan. Regarding to the CI MTTR/MTTF test results, it varies from
> time to time, and on master/stable branches.
> 1. it monitors new Linux kernels, so the CI job may use newer kernel version
> than months ago?
Not sure of the
Hi,
On Mon, Nov 04, 2019 at 11:47:58AM +0800, 杨海 wrote:
> Hi
>
>
> As you previously commented, “The current LTTng kernel tracer (lttng-modules)
> supports Linux 3.0+ only.” and we can find the support package list on
> http://packages.efficios.com/.;
> Does LTTng have roadmap for upcoming
No need to use random string for session name here, use the test name.
Signed-off-by: Jonathan Rajotte
---
tests/regression/tools/base-path/test_ust | 36 ++-
1 file changed, 15 insertions(+), 21 deletions(-)
diff --git a/tests/regression/tools/base-path/test_ust
b/tests
Signed-off-by: Jonathan Rajotte
---
Feel free to squash this into the previous commits.
---
include/lttng/session-descriptor-internal.h | 4
src/common/session-descriptor.c | 23 -
2 files changed, 27 deletions(-)
diff --git a/include/lttng/session
Signed-off-by: Jonathan Rajotte
---
Feel free to squash this into the previous commit.
---
src/bin/lttng-sessiond/cmd.c | 64 +---
1 file changed, 44 insertions(+), 20 deletions(-)
diff --git a/src/bin/lttng-sessiond/cmd.c b/src/bin/lttng-sessiond/cmd.c
index
Signed-off-by: Jonathan Rajotte
---
.../base-path/load-stream-extra-path.lttng| 66 +++
tests/regression/tools/base-path/test_ust | 29 +++-
2 files changed, 92 insertions(+), 3 deletions(-)
create mode 100644
tests/regression/tools/base-path/load-stream-extra
i function
(LTTNG_SET_CONSUMER_URI).
Both the previous and session descriptor based creation API uses this code
path when needed (network output).
Signed-off-by: Jonathan Rajotte
---
Note that this is the "base fix". The next 2 commits extracts the added for
loops into its own func
r" jump. Always call
free on the sessions object.
Fixes #1205
Signed-off-by: Jonathan Rajotte
---
src/bin/lttng/commands/list.c | 11 +--
1 file changed, 5 insertions(+), 6 deletions(-)
diff --git a/src/bin/lttng/commands/list.c b/src/bin/lttng/commands/list.c
index 28166c8
update its parsing?
>
> lttng add-context –list works as expected.
>
> Best,
> Zach
>
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-session-rotation/
[2] https://lttng.org/blog/2019/10/15/new-dynamic-user-space-tracing-in-lttng/
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Hi David,
Did you add the lttng tracepoint definition in
instrumentation/events/lttng-module/block.h
as it is done with block_rq_complete? (in lttng-modules source tree)
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eeper side effects of
not using the fork wrapper given that no exec call is done. I'm not completely
sure of the possible side effects on the tracing buffers.
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https://l
Hi Zach,
Forgot to add that you might want to look at available UST wrappers depending
on the
nature of your daemon application.
https://lttng.org/docs/v2.10/#doc-using-lttng-ust-with-daemons
https://lttng.org/docs/v2.10/#doc-liblttng-ust-fd
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the "filter" object to NULL prevents the call to
add_filter_app_ctx when needed.
We use the filter from the newly created event to
perform the check and the call to add_filter_app_ctx.
Fixes coverity #1399733
Signed-off-by: Jonathan Rajotte
---
src/bin/lttng-sessiond/event.c | 5 +++
Do not review, this include a change that should not be part of this commit.
On Tue, Sep 24, 2019 at 11:21:14AM -0400, Jonathan Rajotte wrote:
> The following commit introduced a regression while
> fixing the filter and filter_expression ownership.
>
> > 4c5e3185d75ffe90b04107744693964d9051fb6b introduced a regression while
> > fixing the filter and filter_expression ownership.
>
> What is this commit ? I'm having trouble finding it. Can you double-check and
> provide the commit Subject as well ?
Seems like I copied the parent tree commit.
the "filter" object to NULL prevents the call to
add_filter_app_ctx when needed.
We use the filter from the newly created event to
perform the check and the call to add_filter_app_ctx.
Fixes coverity #1399733
Signed-off-by: Jonathan Rajotte
---
src/bin/lttng-sessiond/agent.c | 1 +
src
agree with you here. Would you be able to provide a small
reproducer for this? What is the version of lttng-*
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mpty trace logs
> [cid:image002.png@01D56F9D.AF158770]
>
>
> Is this use-case supported?
>
> Unfortunately, the logs are huge and contain sensitive information. If they
> can help a substantial amount, I can prune them.
>
> Thanks and best regards,
> Zach
> ___
d the call to add_filter_app_ctx.
Fixes coverity #1399733
Signed-off-by: Jonathan Rajotte
---
src/bin/lttng-sessiond/event.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/src/bin/lttng-sessiond/event.c b/src/bin/lttng-sessiond/event.c
index f32db4429..a8b7646da 100644
---
>
> Okai, I saw a similar pattern somewhere in the file. Might want to check if
> the
> same can be applied there.
Nevermind it is in the release code.
>
> >
> > Thanks!
> > Jérémie
> >
> > > return NULL;
> > > }
> > >
On Fri, Sep 20, 2019 at 05:34:26PM -0400, Jérémie Galarneau wrote:
> Merged in master and stable-2.11.
>
> On Fri, Sep 20, 2019 at 10:47:30AM -0400, Jonathan Rajotte wrote:
> > Fixes coverity #1405775
> >
> > Signed-off-by: Jonathan Rajotte
> > ---
> >
Fixes coverity #1400681
Signed-off-by: Jonathan Rajotte
---
src/common/session-descriptor.c | 6 --
1 file changed, 6 deletions(-)
diff --git a/src/common/session-descriptor.c b/src/common/session-descriptor.c
index 208eb46ff..713731c3e 100644
--- a/src/common/session-descriptor.c
+++ b
Fixes coverity #1399739
Signed-off-by: Jonathan Rajotte
---
src/bin/lttng-sessiond/client.c | 5 -
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/src/bin/lttng-sessiond/client.c b/src/bin/lttng-sessiond/client.c
index 956dab8c8..870277534 100644
--- a/src/bin/lttng-sessiond
Fixes coverity #1399735
Signed-off-by: Jonathan Rajotte
---
src/bin/lttng-sessiond/main.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/src/bin/lttng-sessiond/main.c b/src/bin/lttng-sessiond/main.c
index 5f99bdbf6..a428630f8 100644
--- a/src/bin/lttng-sessiond/main.c
Fixes coverity #1399732
Signed-off-by: Jonathan Rajotte
---
src/bin/lttng-sessiond/rotation-thread.c | 6 --
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/src/bin/lttng-sessiond/rotation-thread.c
b/src/bin/lttng-sessiond/rotation-thread.c
index 7bd6c6819..1ee3974f0 100644
Fixes coverity #1405775
Signed-off-by: Jonathan Rajotte
---
src/common/trace-chunk.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/src/common/trace-chunk.c b/src/common/trace-chunk.c
index 6770bd982..bad993bea 100644
--- a/src/common/trace-chunk.c
+++ b/src/common/trace-chunk.c
s from bt1.5 to generate traces.
I recommend that you stick with the babeltrace 1.5 bindings (import babeltrace).
Cheers
--
Jonathan Rajotte-Julien
EfficiOS
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ek - v2.10.6-11-g8fcbf96
> bash-4.3#
>
> Any advice are welcome!
> //Anders
> ___
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> lttng-dev@lists.lttng.org
> https://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev
--
Jonathan Rajotte-Julien
EfficiOS
CONFIG_TRACE_EVAL_MAP_FILE is not set
> CONFIG_KALLSYMS=y
> # CONFIG_KALLSYMS_ALL is not set
> CONFIG_KALLSYMS_BASE_RELATIVE=y
>
>
>
> Regards
> Kjeld Flarup
> DEIF A/S, R Platform Software
>
>
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> lttng-dev@li
rks because we delay the setup of the channel until an app
eligible for tracing is present.
That should be it.
Cheers
--
Jonathan Rajotte-Julien
EfficiOS
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any error for the session of the trace with the vpid information
missing. Note that you cannot add context field for a tracing session if it was
started at least once.
Cheers
--
Jonathan Rajotte-Julien
EfficiOS
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eate.c:462
8 0x3fffac530d0c in .__clone () at
../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:96
Reviewed-by: Mathieu Desnoyers
Signed-off-by: Jonathan Rajotte
---
src/common/ust-consumer/ust-consumer.c | 9 +
1 file changed, 9 insertions(+)
diff --git a/src/common/ust-co
c:3192
7 0x3fffac608b30 in start_thread (arg=0x3fffa9b7bdb0) at
pthread_create.c:462
8 0x3fffac530d0c in .__clone () at
../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:96
Signed-off-by: Jonathan Rajotte
---
src/common/ust-consumer/ust-consumer.c | 9 +
1 file changed, 9 insertion
RHEL6? Or what are key kernel patches to be necessary?
>
>
> Regards
> Hai
>
>
>
>
>
>
>
> --原始邮件--
> 发件人："Mathieu Desnoyers ";
> 发送时间：2019年7月30日(星期二) 晚上10:04
> 收件人："杨海" ;
> 抄送："Jonatha
Signed-off-by: Jonathan Rajotte
---
src/bin/lttng-sessiond/kernel.c | 6 ++
src/common/kernel-ctl/kernel-ctl.c | 15 +++
src/common/kernel-ctl/kernel-ctl.h | 1 +
src/common/kernel-ctl/kernel-ioctl.h | 2 ++
src/common/lttng-kernel.h| 8
5 files
Signed-off-by: Jonathan Rajotte
---
src/bin/lttng-sessiond/kernel.c | 14 ++
src/common/kernel-ctl/kernel-ctl.c | 10 ++
src/common/kernel-ctl/kernel-ctl.h | 1 +
src/common/kernel-ctl/kernel-ioctl.h | 2 ++
src/common/lttng-kernel.h| 8
5
Reuse the registration time for path generation.
Signed-off-by: Jonathan Rajotte
---
src/bin/lttng-sessiond/ust-app.c | 7 +++
src/bin/lttng-sessiond/ust-app.h | 5 +
2 files changed, 8 insertions(+), 4 deletions(-)
diff --git a/src/bin/lttng-sessiond/ust-app.c b/src/bin/lttng-sessiond
<- domain
└── pid <- tracer_buffering_scheme
└── sample-ust-7640-20190722-174818 <- procname, tracer_buffering_id,
vpid_datetime
├── my-channel_0
├── index
│ ├── my-channel_0.idx
├── metadata
Signed-off-by: Jonathan Rajotte
---
sr
Signed-off-by: Jonathan Rajotte
---
This should also be backported to 2.11 allowing Babeltrace 2 to merge
traces from archived data (rotation) and output a trace with a similar
lttng tree hierarchy.
See [1] for the series to be applied to lttng-modules.
[1] https://lists.lttng.org/pipermail
Signed-off-by: Jonathan Rajotte
---
This should also be backported to 2.11 allowing Babeltrace 2 to merge
traces from archived data (rotation) and output a trace with a similar
lttng tree hierarchy.
See [1] for the series to be applied to lttng-modules.
[1] https://lists.lttng.org/pipermail
<- domain
└── pid <- tracer_buffering_scheme
└── sample-ust-7640-20190722-174818 <- procname, tracer_buffering_id,
vpid_datetime
├── my-channel_0
├── index
│ ├── my-channel_0.idx
├── metadata
Signed-off-by: Jonathan Rajotte
---
controller.
Signed-off-by: Jonathan Rajotte
---
This should also be backported to 2.11 allowing Babeltrace 2 to merge
traces from archived data (rotation) and output a trace with similar
lttng tree hierarchy.
---
lttng-abi.c| 27 +++
lttng-abi.h| 7 +++
lttng
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