<div dir="ltr"><div class="gmail_extra"><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div>Hi all, </div><div>1) </div>RHEL 7.1 OS version is :- <div><div><br></div><div>*****************************************************************8</div><div>cat /etc/*release </div><div>NAME="Red Hat Enterprise Linux Workstation"</div><div>VERSION="7.1 (Maipo)"</div><div>ID="rhel"</div><div>ID_LIKE="fedora"</div><div>VERSION_ID="7.1"</div><div>PRETTY_NAME="Red Hat Enterprise Linux Workstation 7.1 (Maipo)"</div><div>ANSI_COLOR="0;31"</div><div>CPE_NAME="cpe:/o:redhat:enterprise_linux:7.1:GA:workstation"</div><div>HOME_URL="<a href="https://www.redhat.com/" target="_blank">https://www.redhat.com/</a>"</div><div>BUG_REPORT_URL="<a href="https://bugzilla.redhat.com/" target="_blank">https://bugzilla.redhat.com/</a>"</div><div>*********************************************************************</div><div>2) I installed everything but when i start kernel tracer it throws me error "Kernel Tracer not available"</div><div><br></div><div><br></div><div> lttng enable-event --kernel allError: Event all: Kernel tracer not available (channel channel0, session auto-20160616-165319)<br></div><div><br></div><div><br></div><div>Issue i beleive is while installing kernel modules it give me following warnings. </div><div>Here is output. </div></div><div><br></div><div><br></div><div><div>root # yum install kmod-lttng-modules</div><div>Loaded plugins: langpacks, product-id, subscription-manager</div><div>This system is not registered to Red Hat Subscription Management. You can use subscription-manager to register.</div><div>Resolving Dependencies</div><div>--> Running transaction check</div><div>---> Package kmod-lttng-modules.x86_64 0:2.8.0-1.el7 will be installed</div><div>--> Finished Dependency Resolution</div><div><br></div><div>Dependencies Resolved</div><div><br></div><div>================================================================================================================================================================================</div><div> Package Arch Version Repository Size</div><div>================================================================================================================================================================================</div><div>Installing:</div><div> kmod-lttng-modules x86_64 2.8.0-1.el7 EfficiOS-RHEL7-x86-64 281 k</div><div><br></div><div>Transaction Summary</div><div>================================================================================================================================================================================</div><div>Install 1 Package</div><div><br></div><div>Total download size: 281 k</div><div>Installed size: 2.5 M</div><div>Is this ok [y/d/N]: y</div><div>Downloading packages:</div><div>kmod-lttng-modules-2.8.0-1.el7.x86_64.rpm | 281 kB 00:00:00 </div><div>Running transaction check</div><div>Running transaction test</div><div>Transaction test succeeded</div><div>Running transaction</div><div> Installing : kmod-lttng-modules-2.8.0-1.el7.x86_64 1/1 </div><div>depmod: WARNING: /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/probes/lttng-probe-kvm.ko needs unknown symbol lttng_probe_unregister</div><div>depmod: WARNING: /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/probes/lttng-probe-kvm.ko needs unknown symbol lttng_probe_register</div><div>depmod: WARNING: /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/probes/lttng-probe-kvm.ko needs unknown symbol lttng_pid_tracker_lookup</div><div>depmod: WARNING: /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/probes/lttng-probe-sock.ko needs unknown symbol lttng_probe_unregister</div><div>depmod: WARNING: /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/probes/lttng-probe-sock.ko needs unknown symbol lttng_probe_register</div><div>depmod: WARNING: /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/probes/lttng-probe-sock.ko needs unknown symbol lttng_pid_tracker_lookup</div><div>depmod: WARNING: /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/lttng-ring-buffer-metadata-client.ko needs unknown symbol lttng_transport_unregister</div><div>depmod: WARNING: /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/lttng-ring-buffer-metadata-client.ko needs unknown symbol lttng_transport_register</div><div>depmod: WARNING: /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/probes/lttng-probe-printk.ko needs unknown symbol lttng_probe_unregister</div><div>depmod: WARNING: /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/probes/lttng-probe-printk.ko needs unknown symbol lttng_probe_register</div><div>depmod: WARNING: /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/probes/lttng-probe-printk.ko needs unknown symbol lttng_pid_tracker_lookup</div><div>depmod: WARNING: /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/probes/lttng-probe-napi.ko needs unknown symbol lttng_probe_unregister</div><div>depmod: WARNING: /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/probes/lttng-probe-napi.ko needs unknown symbol lttng_probe_register</div><div>depmod: WARNING: /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/probes/lttng-probe-napi.ko needs unknown symbol lttng_pid_tracker_lookup</div><div>depmod: WARNING: /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/lttng-ring-buffer-client-mmap-discard.ko needs unknown symbol lttng_transport_unregister</div><div>depmod: WARNING: /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/lttng-ring-buffer-client-mmap-discard.ko needs unknown symbol lttng_transport_register</div><div>depmod: WARNING: /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/probes/lttng-probe-kmem.ko needs unknown symbol lttng_probe_unregister</div><div>depmod: WARNING: /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/probes/lttng-probe-kmem.ko needs unknown symbol lttng_probe_register</div><div>depmod: WARNING: /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/probes/lttng-probe-kmem.ko needs unknown symbol lttng_pid_tracker_lookup</div><div>depmod: WARNING: /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/probes/lttng-probe-compaction.ko needs unknown symbol lttng_probe_unregister</div><div>depmod: WARNING: /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/probes/lttng-probe-compaction.ko needs unknown symbol lttng_probe_register</div><div>depmod: WARNING: /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/probes/lttng-probe-compaction.ko needs unknown symbol lttng_pid_tracker_lookup</div><div>depmod: WARNING: /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/lttng-ring-buffer-client-overwrite.ko needs unknown symbol lttng_transport_unregister</div><div>depmod: WARNING: /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/lttng-ring-buffer-client-overwrite.ko needs unknown symbol lttng_transport_register</div><div>depmod: WARNING: /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/lttng-ring-buffer-client-mmap-overwrite.ko needs unknown symbol lttng_transport_unregister</div><div>depmod: WARNING: /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/lttng-ring-buffer-client-mmap-overwrite.ko needs unknown symbol lttng_transport_register</div><div>depmod: WARNING: /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/probes/lttng-probe-x86-exceptions.ko needs unknown symbol lttng_probe_unregister</div><div>depmod: WARNING: /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/probes/lttng-probe-x86-exceptions.ko needs unknown symbol lttng_probe_register</div><div>depmod: WARNING: /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/probes/lttng-probe-x86-exceptions.ko needs unknown symbol lttng_pid_tracker_lookup</div><div>depmod: WARNING: /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/probes/lttng-probe-sunrpc.ko needs unknown symbol lttng_probe_unregister</div><div>depmod: WARNING: /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/probes/lttng-probe-sunrpc.ko needs unknown symbol lttng_probe_register</div><div>depmod: WARNING: /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/probes/lttng-probe-sunrpc.ko needs unknown symbol lttng_pid_tracker_lookup</div><div>depmod: WARNING: /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/probes/lttng-probe-signal.ko needs unknown symbol lttng_probe_unregister</div><div>depmod: WARNING: /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/probes/lttng-probe-signal.ko needs unknown symbol lttng_probe_register</div><div>depmod: WARNING: /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/probes/lttng-probe-signal.ko needs unknown symbol lttng_pid_tracker_lookup</div><div>depmod: WARNING: /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/probes/lttng-probe-module.ko needs unknown symbol lttng_probe_unregister</div><div>depmod: WARNING: /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/probes/lttng-probe-module.ko needs unknown symbol lttng_probe_register</div><div>depmod: WARNING: /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/probes/lttng-probe-module.ko needs unknown symbol lttng_pid_tracker_lookup</div><div>depmod: WARNING: /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/lttng-ring-buffer-client-discard.ko needs unknown symbol lttng_transport_unregister</div><div>depmod: WARNING: /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/lttng-ring-buffer-client-discard.ko needs unknown symbol lttng_transport_register</div><div>depmod: WARNING: /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/probes/lttng-probe-timer.ko needs unknown symbol lttng_probe_unregister</div><div>depmod: WARNING: /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/probes/lttng-probe-timer.ko needs unknown symbol lttng_probe_register</div><div>depmod: WARNING: /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/probes/lttng-probe-timer.ko needs unknown symbol lttng_pid_tracker_lookup</div><div>depmod: WARNING: /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/probes/lttng-probe-net.ko needs unknown symbol lttng_probe_unregister</div><div>depmod: WARNING: /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/probes/lttng-probe-net.ko needs unknown symbol lttng_probe_register</div><div>depmod: WARNING: /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/probes/lttng-probe-net.ko needs unknown symbol lttng_pid_tracker_lookup</div><div>depmod: WARNING: /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/tests/probes/lttng-test.ko needs unknown symbol lttng_probe_unregister</div><div>depmod: WARNING: /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/tests/probes/lttng-test.ko needs unknown symbol lttng_probe_register</div><div>depmod: WARNING: /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/tests/probes/lttng-test.ko needs unknown symbol lttng_pid_tracker_lookup</div><div>depmod: WARNING: /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/probes/lttng-probe-writeback.ko needs unknown symbol lttng_probe_unregister</div><div>depmod: WARNING: /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/probes/lttng-probe-workqueue.ko needs unknown symbol lttng_pid_tracker_lookup<br></div><div>depmod: WARNING: /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/probes/lttng-probe-irq.ko needs unknown symbol lttng_probe_unregister</div><div>depmod: WARNING: /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/probes/lttng-probe-irq.ko needs unknown symbol lttng_probe_register</div><div>depmod: WARNING: /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/probes/lttng-probe-irq.ko needs unknown symbol lttng_pid_tracker_lookup</div><div> Verifying : kmod-lttng-modules-2.8.0-1.el7.x86_64 1/1 </div><div><br></div><div>Installed:</div><div> kmod-lttng-modules.x86_64 0:2.8.0-1.el7 </div><div><br></div><div>Complete!</div></div><div><br></div><div><br></div></div>
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