Hi Jonathan,
I have tested with the patch and I can confirm that there is no more
warning and runtime error while kernel tracing:
----------------------
debian@debian:~$ uname -a
Linux debian 4.14.69-rt43+ #1 SMP PREEMPT RT Fri Sep 21 12:40:55 UTC
2018 x86_64 GNU/Linux
debian@debian:~$
debian@debian:~$ dpkg -l | grep -i lttng-modules
ii lttng-modules-rt-amd64 2.10.7
amd64 LTTNG Kernel modules support
debian@debian:~$
debian@debian:~$ lttng create mytrace
Session mytrace created.
Traces will be written in /home/debian/lttng-traces/mytrace-20180921-134334
debian@debian:~$
debian@debian:~$ systemctl status lttng-sessiond
● lttng-sessiond.service - LTTng session daemon
Loaded: loaded (/lib/systemd/system/lttng-sessiond.service;
enabled; vendor preset: enabled)
Active: active (running) since Fri 2018-09-21 13:42:25 UTC; 1min 19s ago
Docs: http://lttng.org/docs/#doc-lttng-sessiond
Main PID: 293 (lttng-sessiond)
Tasks: 11 (limit: 4587)
CGroup: /system.slice/lttng-sessiond.service
├─293 /usr/bin/lttng-sessiond
└─476 lttng-runas
debian@debian:~$
debian@debian:~$ lttng list -k
Kernel events:
-------------
asoc_snd_soc_bias_level_start (loglevel: TRACE_EMERG (0)) (type:
tracepoint)
asoc_snd_soc_bias_level_done (loglevel: TRACE_EMERG (0)) (type:
tracepoint)
asoc_snd_soc_dapm_start (loglevel: TRACE_EMERG (0)) (type: tracepoint)
asoc_snd_soc_dapm_done (loglevel: TRACE_EMERG (0)) (type: tracepoint)
asoc_snd_soc_dapm_widget_power (loglevel: TRACE_EMERG (0))
(type: tracepoint)
asoc_snd_soc_dapm_widget_event_start (loglevel: TRACE_EMERG (0))
(type: tracepoint)
asoc_snd_soc_dapm_widget_event_done (loglevel: TRACE_EMERG (0))
(type: tracepoint)
asoc_snd_soc_dapm_walk_done (loglevel: TRACE_EMERG (0)) (type: tracepoint)
asoc_snd_soc_dapm_path (loglevel: TRACE_EMERG (0)) (type: tracepoint)
asoc_snd_soc_dapm_connected (loglevel: TRACE_EMERG (0)) (type: tracepoint)
asoc_snd_soc_jack_irq (loglevel: TRACE_EMERG (0)) (type: tracepoint)
asoc_snd_soc_jack_report (loglevel: TRACE_EMERG (0)) (type: tracepoint)
asoc_snd_soc_jack_notify (loglevel: TRACE_EMERG (0)) (type: tracepoint)
block_touch_buffer (loglevel: TRACE_EMERG (0)) (type: tracepoint)
block_dirty_buffer (loglevel: TRACE_EMERG (0)) (type: tracepoint)
block_rq_requeue (loglevel: TRACE_EMERG (0)) (type: tracepoint)
block_rq_complete (loglevel: TRACE_EMERG (0)) (type: tracepoint)
block_rq_insert (loglevel: TRACE_EMERG (0)) (type: tracepoint)
----------------------
This patch looks good to be merged.
Thanks,
Srikanth
On Thu, Sep 20, 2018 at 3:36 AM Jonathan Rajotte-Julien
<jonathan.rajotte-jul...@efficios.com> wrote:
>
> Hi Srikanth,
>
> We were able to reproduce the problem. We are still not sure why our CI did
> not
> catch this. We will investigate and fix it.
>
> In the mean time, please try this patch [1].
>
> Also for more details regarding our current analysis of what happened please
> read this thread from the RT mailing list [2].
>
> I also read the thread you started on the RT mailing list. I'm not sure why
> and
> how adding CONFIG_MODULES to the check helps here. [3]
>
> Could you please test the patch. I did compile test and link test it but it
> would
> be even better if you could run it.
>
> Cheers
>
> [1] https://lists.lttng.org/pipermail/lttng-dev/2018-September/028225.html
> [2] https://marc.info/?l=linux-rt-users&m=153730414126984&w=2
> [3] https://marc.info/?l=linux-rt-users&m=153729444223779&w=2
>
> On Tue, Sep 18, 2018 at 12:03:18AM +0530, srikanth krishnakar wrote:
> > Hi All,
> >
> > Sub: Lttng-modules-2.10.x builds with warning of undefined
> > "__migrate_disabled" with RT Kernels >= 4.14
> > Kernel: Linux-4.14.59-rt37 (Upstream)
> > Arch: x86_64
> > Build and runtime environment: Debian-9
> >
> > -------------------
> > Runtime Impact: Lttng modules arent loading and throws error during runtime
> > as shown below
> > -------------------
> > debian@debian:~$ lsmod | grep -i lttng
> > lttng_statedump 65536 0
> > lttng_kprobes 16384 0
> > lttng_clock 16384 0
> > lttng_lib_ring_buffer 69632 0
> > lttng_kretprobes 16384 0
> > debian@debian:~$
> > debian@debian:~$ sudo dmesg | grep -i migrate
> > [ 10.721478] lttng_tracer: Unknown symbol __migrate_disabled (err 0)
> > debian@debian:~$
> > -------------------
> >
> > The since Linux-4.9 there seems to be upstream modifications in LTTng
> > dependencies like headers and other needed files. I have been trying to
> > build the latest Lttng-modules-2.10.7 with a RT kernel as out-of-tree
> > modules and been seeing the issue of undefined reference of
> > "__migrate_disabled" which is defined in kernel source
> > "include/linux/preempt.h" and yes the kernel has already enabled all needed
> > dependencies that are seen below:
> >
> > -------------------------------------
> > Kernel config options:
> > --------------------------------------
> > CONFIG_PREEMPT_RCU=y
> > CONFIG_PREEMPT_NOTIFIERS=y
> > CONFIG_PREEMPT=y
> > CONFIG_PREEMPT_RT_BASE=y
> > CONFIG_HAVE_PREEMPT_LAZY=y
> > CONFIG_PREEMPT_LAZY=y
> > CONFIG_PREEMPT_RT_FULL=y
> > CONFIG_PREEMPT_COUNT=y
> > CONFIG_DEBUG_PREEMPT=y
> > CONFIG_TRACEPOINTS=y
> > CONFIG_HAVE_SYSCALL_TRACEPOINTS=y
> > CONFIG_KALLSYMS=y
> > CONFIG_KALLSYMS_ALL=y
> > CONFIG_KALLSYMS_ABSOLUTE_PERCPU=y
> > CONFIG_KALLSYMS_BASE_RELATIVE=y
> > --------------------------------------
> >
> > The build completes successfully without warning and lttng runs fine only
> > when the LTTng-modules are made as built-in meaning when they are built via
> > "built-in.sh" script and embedded into kernel.
> >
> > Another scenario where the issue is reproduced is:
> >
> > The Error behaviour is seen in the "linux-yocto-4.14-59-rt37" when
> > meta-intel is built with rocko release.
> >
> > ---------------------------------------
> > Build log in debian environment:
> > ------------------------------------------------------------
> > ---------------------------------------
> > dpkg-source: warning: no source format specified in debian/source/format,
> > see dpkg-source(1)
> > dpkg-source: info: using source format '1.0'
> > dpkg-source: info: building lttng-modules in lttng-modules_2.10.7.tar.gz
> > dpkg-source: info: building lttng-modules in lttng-modules_2.10.7.dsc
> > debian/rules build
> > dh build -- KERNELDIR="/usr/src/linux-headers-4.14.59-rt37+"
> > dh_testdir -O--=KERNELDIR=/usr/src/linux-headers-4.14.59-rt37\+
> > dh_update_autotools_config -O--=KERNELDIR=/usr/src/linux-
> > headers-4.14.59-rt37\+
> > dh_auto_configure -O--=KERNELDIR=/usr/src/linux-headers-4.14.59-rt37\+
> > debian/rules override_dh_auto_build
> > make[1]: Entering directory '/home/builder/lttng-modules/
> > lttng-modules-2.10.7'
> > /usr/bin/make KERNELDIR="/usr/src/linux-headers-4.14.59-rt37+"
> > make[2]: Entering directory '/home/builder/lttng-modules/
> > lttng-modules-2.10.7'
> > /usr/bin/make -C /usr/src/linux-headers-4.14.59-rt37+
> > M=/home/builder/lttng-modules/lttng-modules-2.10.7 CONFIG_LTTNG=m
> > CONFIG_LTTNG_CLOCK_PLUGIN_TEST=m modules
> > make[3]: Entering directory '/usr/src/linux-headers-4.14.59-rt37+'
> > find:
> > '/home/builder/lttng-modules/lttng-modules-2.10.7/extra_version/patches/':
> > No such file or directory
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/lttng-
> > ring-buffer-client-discard.o
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/lttng-
> > ring-buffer-client-overwrite.o
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/lttng-
> > ring-buffer-metadata-client.o
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/lttng-
> > ring-buffer-client-mmap-discard.o
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/lttng-
> > ring-buffer-client-mmap-overwrite.o
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/lttng-
> > ring-buffer-metadata-mmap-client.o
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/lttng-clock.o
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/lttng-events.o
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/lttng-abi.o
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/lttng-
> > string-utils.o
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/lttng-probes.o
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/lttng-context.o
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/lttng-
> > context-pid.o
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/lttng-
> > context-procname.o
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/lttng-
> > context-prio.o
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/lttng-
> > context-nice.o
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/lttng-
> > context-vpid.o
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/lttng-
> > context-tid.o
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/lttng-
> > context-vtid.o
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/lttng-
> > context-ppid.o
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/lttng-
> > context-vppid.o
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/lttng-
> > context-cpu-id.o
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/lttng-
> > context-interruptible.o
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/lttng-
> > context-need-reschedule.o
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/lttng-calibrate.o
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/lttng-
> > context-hostname.o
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/wrapper/random.o
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/probes/lttng.o
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/wrapper/
> > trace-clock.o
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/wrapper/
> > page_alloc.o
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/lttng-
> > tracker-pid.o
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/lttng-filter.o
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/lttng-
> > filter-interpreter.o
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/lttng-
> > filter-specialize.o
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/lttng-
> > filter-validator.o
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-user.o
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/lttng-tp-
> > mempool.o
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/lttng-syscalls.o
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/lttng-
> > context-perf-counters.o
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/lttng-
> > context-migratable.o
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/lttng-
> > context-preemptible.o
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/lttng-
> > tracepoint.o
> > LD [M] /home/builder/lttng-modules/lttng-modules-2.10.7/lttng-tracer.o
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/lttng-
> > statedump-impl.o
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/wrapper/irqdesc.o
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/wrapper/fdtable.o
> > LD [M] /home/builder/lttng-modules/lttng-modules-2.10.7/lttng-statedump.o
> > find:
> > '/home/builder/lttng-modules/lttng-modules-2.10.7/lib/../extra_version/patches/':
> > No such file or directory
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/lib/
> > ringbuffer/ring_buffer_backend.o
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/lib/
> > ringbuffer/ring_buffer_frontend.o
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/lib/
> > ringbuffer/ring_buffer_iterator.o
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/lib/
> > ringbuffer/ring_buffer_vfs.o
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/lib/
> > ringbuffer/ring_buffer_splice.o
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/lib/
> > ringbuffer/ring_buffer_mmap.o
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/lib/prio_
> > heap/lttng_prio_heap.o
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/lib/../
> > wrapper/splice.o
> > LD [M] /home/builder/lttng-modules/lttng-modules-2.10.7/lib/
> > lttng-lib-ring-buffer.o
> > find:
> > '/home/builder/lttng-modules/lttng-modules-2.10.7/probes/../extra_version/patches/':
> > No such file or directory
> > /home/builder/lttng-modules/lttng-modules-2.10.7/probes/Kbuild:41: File
> > ./arch/x86/kvm/lapic.h not found. Probe "kvm" x86-specific is disabled. Use
> > full kernel source tree to enable it.
> > /home/builder/lttng-modules/lttng-modules-2.10.7/probes/Kbuild:166: Files
> > ./fs/btrfs/*.h not found. Probe "btrfs" is disabled. Use full kernel source
> > tree to enable it.
> > /home/builder/lttng-modules/lttng-modules-2.10.7/probes/Kbuild:182: Files
> > ./fs/ext4/*.h not found. Probe "ext4" is disabled. Use full kernel source
> > tree to enable it.
> > /home/builder/lttng-modules/lttng-modules-2.10.7/probes/Kbuild:215: File
> > ./drivers/base/regmap/trace.h not found. Probe "regmap" is disabled. Need
> > Linux 4.1+ kernel source tree to enable it.
> > /home/builder/lttng-modules/lttng-modules-2.10.7/probes/Kbuild:265: Files
> > ./kernel/trace/trace.h not found. Probe "ftrace" is disabled. Use full
> > kernel source tree to enable it.
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-sched.o
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-irq.o
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-timer.o
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-kmem.o
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-module.o
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-power.o
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-statedump.o
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-i2c.o
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-kvm.o
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-x86-irq-vectors.o
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-x86-exceptions.o
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-signal.o
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-block.o
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-napi.o
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-skb.o
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-net.o
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-sock.o
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-udp.o
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-asoc.o
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-gpio.o
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-jbd2.o
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-regulator.o
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-scsi.o
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-vmscan.o
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-compaction.o
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-printk.o
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-random.o
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-rcu.o
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-sunrpc.o
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-v4l2.o
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-workqueue.o
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-writeback.o
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-kprobes.o
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-kretprobes.o
> > find:
> > '/home/builder/lttng-modules/lttng-modules-2.10.7/tests/../extra_version/patches/':
> > No such file or directory
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/tests/
> > probes/lttng-test.o
> > LD [M] /home/builder/lttng-modules/lttng-modules-2.10.7/tests/
> > lttng-test.o
> > CC [M] /home/builder/lttng-modules/lttng-modules-2.10.7/tests/
> > clock-plugin/lttng-clock-plugin-test.o
> > LD [M] /home/builder/lttng-modules/lttng-modules-2.10.7/tests/
> > lttng-clock-plugin-test.o
> > Building modules, stage 2.
> > find:
> > '/home/builder/lttng-modules/lttng-modules-2.10.7/extra_version/patches/':
> > No such file or directory
> > MODPOST 46 modules
> > WARNING: "__migrate_disabled" [/home/builder/lttng-modules/
> > lttng-modules-2.10.7/lttng-tracer.ko] undefined!
> > CC /home/builder/lttng-modules/lttng-modules-2.10.7/lib/
> > lttng-lib-ring-buffer.mod.o
> > LD [M] /home/builder/lttng-modules/lttng-modules-2.10.7/lib/
> > lttng-lib-ring-buffer.ko
> > CC /home/builder/lttng-modules/lttng-modules-2.10.7/lttng-clock.mod.o
> > LD [M] /home/builder/lttng-modules/lttng-modules-2.10.7/lttng-clock.ko
> > CC /home/builder/lttng-modules/lttng-modules-2.10.7/lttng-
> > ring-buffer-client-discard.mod.o
> > LD [M] /home/builder/lttng-modules/lttng-modules-2.10.7/lttng-
> > ring-buffer-client-discard.ko
> > CC /home/builder/lttng-modules/lttng-modules-2.10.7/lttng-
> > ring-buffer-client-mmap-discard.mod.o
> > LD [M] /home/builder/lttng-modules/lttng-modules-2.10.7/lttng-
> > ring-buffer-client-mmap-discard.ko
> > CC /home/builder/lttng-modules/lttng-modules-2.10.7/lttng-
> > ring-buffer-client-mmap-overwrite.mod.o
> > LD [M] /home/builder/lttng-modules/lttng-modules-2.10.7/lttng-
> > ring-buffer-client-mmap-overwrite.ko
> > CC /home/builder/lttng-modules/lttng-modules-2.10.7/lttng-
> > ring-buffer-client-overwrite.mod.o
> > LD [M] /home/builder/lttng-modules/lttng-modules-2.10.7/lttng-
> > ring-buffer-client-overwrite.ko
> > CC /home/builder/lttng-modules/lttng-modules-2.10.7/lttng-
> > ring-buffer-metadata-client.mod.o
> > LD [M] /home/builder/lttng-modules/lttng-modules-2.10.7/lttng-
> > ring-buffer-metadata-client.ko
> > CC /home/builder/lttng-modules/lttng-modules-2.10.7/lttng-
> > ring-buffer-metadata-mmap-client.mod.o
> > LD [M] /home/builder/lttng-modules/lttng-modules-2.10.7/lttng-
> > ring-buffer-metadata-mmap-client.ko
> > CC /home/builder/lttng-modules/lttng-modules-2.10.7/lttng-
> > statedump.mod.o
> > LD [M] /home/builder/lttng-modules/lttng-modules-2.10.7/lttng-
> > statedump.ko
> > CC /home/builder/lttng-modules/lttng-modules-2.10.7/lttng-
> > tracer.mod.o
> > LD [M] /home/builder/lttng-modules/lttng-modules-2.10.7/lttng-tracer.ko
> > CC /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-kprobes.mod.o
> > LD [M] /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-kprobes.ko
> > CC /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-kretprobes.mod.o
> > LD [M] /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-kretprobes.ko
> > CC /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-asoc.mod.o
> > LD [M] /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-asoc.ko
> > CC /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-block.mod.o
> > LD [M] /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-block.ko
> > CC /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-compaction.mod.o
> > LD [M] /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-compaction.ko
> > CC /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-gpio.mod.o
> > LD [M] /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-gpio.ko
> > CC /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-i2c.mod.o
> > LD [M] /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-i2c.ko
> > CC /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-irq.mod.o
> > LD [M] /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-irq.ko
> > CC /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-jbd2.mod.o
> > LD [M] /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-jbd2.ko
> > CC /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-kmem.mod.o
> > LD [M] /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-kmem.ko
> > CC /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-kvm.mod.o
> > LD [M] /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-kvm.ko
> > CC /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-module.mod.o
> > LD [M] /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-module.ko
> > CC /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-napi.mod.o
> > LD [M] /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-napi.ko
> > CC /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-net.mod.o
> > LD [M] /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-net.ko
> > CC /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-power.mod.o
> > LD [M] /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-power.ko
> > CC /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-printk.mod.o
> > LD [M] /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-printk.ko
> > CC /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-random.mod.o
> > LD [M] /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-random.ko
> > CC /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-rcu.mod.o
> > LD [M] /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-rcu.ko
> > CC /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-regulator.mod.o
> > LD [M] /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-regulator.ko
> > CC /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-sched.mod.o
> > LD [M] /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-sched.ko
> > CC /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-scsi.mod.o
> > LD [M] /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-scsi.ko
> > CC /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-signal.mod.o
> > LD [M] /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-signal.ko
> > CC /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-skb.mod.o
> > LD [M] /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-skb.ko
> > CC /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-sock.mod.o
> > LD [M] /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-sock.ko
> > CC /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-statedump.mod.o
> > LD [M] /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-statedump.ko
> > CC /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-sunrpc.mod.o
> > LD [M] /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-sunrpc.ko
> > CC /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-timer.mod.o
> > LD [M] /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-timer.ko
> > CC /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-udp.mod.o
> > LD [M] /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-udp.ko
> > CC /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-v4l2.mod.o
> > LD [M] /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-v4l2.ko
> > CC /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-vmscan.mod.o
> > LD [M] /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-vmscan.ko
> > CC /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-workqueue.mod.o
> > LD [M] /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-workqueue.ko
> > CC /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-writeback.mod.o
> > LD [M] /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-writeback.ko
> > CC /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-x86-exceptions.mod.o
> > LD [M] /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-x86-exceptions.ko
> > CC /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-x86-irq-vectors.mod.o
> > LD [M] /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-x86-irq-vectors.ko
> > CC /home/builder/lttng-modules/lttng-modules-2.10.7/tests/
> > lttng-clock-plugin-test.mod.o
> > LD [M] /home/builder/lttng-modules/lttng-modules-2.10.7/tests/
> > lttng-clock-plugin-test.ko
> > CC /home/builder/lttng-modules/lttng-modules-2.10.7/tests/
> > lttng-test.mod.o
> > LD [M] /home/builder/lttng-modules/lttng-modules-2.10.7/tests/
> > lttng-test.ko
> > make[3]: Leaving directory '/usr/src/linux-headers-4.14.59-rt37+'
> > make[2]: Leaving directory '/home/builder/lttng-modules/
> > lttng-modules-2.10.7'
> > make[1]: Leaving directory '/home/builder/lttng-modules/
> > lttng-modules-2.10.7'
> > dh_auto_test -O--=KERNELDIR=/usr/src/linux-headers-4.14.59-rt37\+
> > create-stamp debian/debhelper-build-stamp
> > debian/rules binary
> > dh binary -- KERNELDIR="/usr/src/linux-headers-4.14.59-rt37+"
> > create-stamp debian/debhelper-build-stamp
> > dh_testroot -O--=KERNELDIR=/usr/src/linux-headers-4.14.59-rt37\+
> > dh_prep -O--=KERNELDIR=/usr/src/linux-headers-4.14.59-rt37\+
> > dh_installdirs -O--=KERNELDIR=/usr/src/linux-headers-4.14.59-rt37\+
> > debian/rules override_dh_auto_install
> > make[1]: Entering directory '/home/builder/lttng-modules/
> > lttng-modules-2.10.7'
> > mkdir installed-modules
> > /usr/bin/make KERNELDIR="/usr/src/linux-headers-4.14.59-rt37+"
> > modules_install && cp -a /lib/modules/*/extra/* /home/builder/lttng-modules/
> > lttng-modules-2.10.7/installed-modules
> > make[2]: Entering directory '/home/builder/lttng-modules/
> > lttng-modules-2.10.7'
> > /usr/bin/make -C /usr/src/linux-headers-4.14.59-rt37+
> > M=/home/builder/lttng-modules/lttng-modules-2.10.7 CONFIG_LTTNG=m
> > CONFIG_LTTNG_CLOCK_PLUGIN_TEST=m modules_install
> > make[3]: Entering directory '/usr/src/linux-headers-4.14.59-rt37+'
> > INSTALL /home/builder/lttng-modules/lttng-modules-2.10.7/lib/
> > lttng-lib-ring-buffer.ko
> > INSTALL /home/builder/lttng-modules/lttng-modules-2.10.7/lttng-clock.ko
> > INSTALL /home/builder/lttng-modules/lttng-modules-2.10.7/lttng-
> > ring-buffer-client-discard.ko
> > INSTALL /home/builder/lttng-modules/lttng-modules-2.10.7/lttng-
> > ring-buffer-client-mmap-discard.ko
> > INSTALL /home/builder/lttng-modules/lttng-modules-2.10.7/lttng-
> > ring-buffer-client-mmap-overwrite.ko
> > INSTALL /home/builder/lttng-modules/lttng-modules-2.10.7/lttng-
> > ring-buffer-client-overwrite.ko
> > INSTALL /home/builder/lttng-modules/lttng-modules-2.10.7/lttng-
> > ring-buffer-metadata-client.ko
> > INSTALL /home/builder/lttng-modules/lttng-modules-2.10.7/lttng-
> > ring-buffer-metadata-mmap-client.ko
> > INSTALL /home/builder/lttng-modules/lttng-modules-2.10.7/lttng-
> > statedump.ko
> > INSTALL /home/builder/lttng-modules/lttng-modules-2.10.7/lttng-tracer.ko
> > INSTALL /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-kprobes.ko
> > INSTALL /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-kretprobes.ko
> > INSTALL /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-asoc.ko
> > INSTALL /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-block.ko
> > INSTALL /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-compaction.ko
> > INSTALL /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-gpio.ko
> > INSTALL /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-i2c.ko
> > INSTALL /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-irq.ko
> > INSTALL /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-jbd2.ko
> > INSTALL /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-kmem.ko
> > INSTALL /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-kvm.ko
> > INSTALL /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-module.ko
> > INSTALL /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-napi.ko
> > INSTALL /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-net.ko
> > INSTALL /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-power.ko
> > INSTALL /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-printk.ko
> > INSTALL /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-random.ko
> > INSTALL /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-rcu.ko
> > INSTALL /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-regulator.ko
> > INSTALL /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-sched.ko
> > INSTALL /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-scsi.ko
> > INSTALL /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-signal.ko
> > INSTALL /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-skb.ko
> > INSTALL /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-sock.ko
> > INSTALL /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-statedump.ko
> > INSTALL /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-sunrpc.ko
> > INSTALL /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-timer.ko
> > INSTALL /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-udp.ko
> > INSTALL /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-v4l2.ko
> > INSTALL /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-vmscan.ko
> > INSTALL /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-workqueue.ko
> > INSTALL /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-writeback.ko
> > INSTALL /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-x86-exceptions.ko
> > INSTALL /home/builder/lttng-modules/lttng-modules-2.10.7/probes/
> > lttng-probe-x86-irq-vectors.ko
> > INSTALL /home/builder/lttng-modules/lttng-modules-2.10.7/tests/
> > lttng-clock-plugin-test.ko
> > INSTALL /home/builder/lttng-modules/lttng-modules-2.10.7/tests/
> > lttng-test.ko
> > DEPMOD 4.14.59-rt37+
> > ------------------------------------------------------------
> > -------------------------------------
> >
> > The same version of modules builds fine with "Linux-4.9.x-rt". Also the
> > kconfig of lttng is designed as "Tristate" and the build error is seen when
> > we build with "built-in.sh <KERNEL_SRC>" and CONFIG_LTTNG=m in kernel
> > menuconfig.
> >
> > Anyone has seen the issue with the RT kernels >= 4.14 ? Appreciate your
> > inputs.
> >
> > Thanks,
> > Srikanth
>
> > _______________________________________________
> > lttng-dev mailing list
> > lttng-dev@lists.lttng.org
> > https://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev
>
>
> --
> Jonathan Rajotte-Julien
> EfficiOS
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