Hi all,
I have installed successfully the LTTng on the beagle board and compile the sample kernel modules. I would like to trace some part of the Linux kernel and I am starting with the module examples. However I am not quite sure to understand. If I am using lttv-gui to trace the marker example, it makes no difference to me than when I don’t run it ! I mean to say I don’t understand where the important data is while looking at the lttv gui as it just look the same to me when I run the example and when I don’t. I am using Linux Trace Toolkit Visualizer 0.12.30-02102010 and Linux beagleboard 2.6.33.1-ga0ff4c3 Can please someone tell know if I am doing it the right way first and then let me know what is the critical information I should see with the marker and traepoint example within the llt viewer. Thanks in advance, Regards, Fabien $ dmesg ….. ….. LTT state dump begin LTT state dump thread start LTT state dump end example init Value 123, string example string example exit Number of event b : 10 LTT: 367 events written in channel syscall_state (cpu 0, index 0) LTT: 32 events written in channel softirq_state (cpu 0, index 0) LTT: 131 events written in channel task_state (cpu 0, index 0) LTT: 359 events written in channel fd_state (cpu 0, index 0) LTT: 3092 events written in channel vm_state (cpu 0, index 0) LTT: 17 events written in channel irq_state (cpu 0, index 0) LTT: 3 events written in channel netif_state (cpu 0, index 0) LTT: 1 events written in channel global_state (cpu 0, index 0) LTT: 34235 events written in channel kernel (cpu 0, index 0) LTT: 1758 events written in channel mm (cpu 0, index 0) LTT: 5992 events written in channel fs (cpu 0, index 0) LTT: 1110 events written in channel rcu (cpu 0, index 0) LTT: 4421 events written in channel net (cpu 0, index 0) LTT: 352 events written in channel block (cpu 0, index 0) LTT: 298 events written in channel metadata (cpu 0, index 0)
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