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3 | Here the status of the work in progress for LTT experimental<br> |
4 | <br> |
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5 | * Done<br> |
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6 | remove ltt-headers.h<br> |
7 | remove ltt-log.h<br> |
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8 | Put trace->active later in _ltt_trace_start()<br> |
9 | ltt_trace_create() remove sleep in spinlock use GFP_ATOMIC kmalloc<br> |
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10 | Fix the locking of module hooks.<br> |
11 | Fix the traps -> disable nested logging for now.<br> |
12 | Use per cpu spinlock on trace list.<br> |
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13 | Finish the control module, libltt and lttctl : netlink interface<br> |
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14 | Finish integrating lttctl with lttd.<br> |
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15 | fix lttctl signal waiting : use a flag.<br> |
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16 | Add ltt_write_commit_counter call to genevent.<br> |
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17 | Add information in the buffer header : buffer size, etc etc...<br> |
18 | -> this information is so small that we can repeat it. Makes flight recorder |
19 | easier to decode.<br> |
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20 | Add trace start structure to buffer start header.<br> |
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21 | fix genevent : take no lock if num traces active is 0.<br> |
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22 | <br> |
23 | <br> |
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24 | * TODO<br> |
25 | Add type information per facility : it will help having a standard way |
26 | to understand information coming from both kernel space and user space, and deal |
27 | easily with 64 bits kernel with 64 and 32 bits processes (and with size_t know |
28 | at compile time which can differ inside the same process from one library to |
29 | another).<br> |
30 | fix structures alignment, array and sequences too. -> trace dynamic.<br> |
31 | add per facility alignment (inside structures).<br> |
32 | add control of alignment.<br> |
33 | add user space tracing.<br> |
34 | <br> |
35 | <br> |
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36 | <br> |
37 | * TODO (low priority)<br> |
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38 | Integrate header generation (genevent) in kernel build system.<br> |
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39 | Multithreaded lttd.<br> |
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40 | Find a different way to printk from instrumentation : forbidden from schedule |
41 | and wakeup (causes a deadlock).<br> |
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42 | <br> |
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43 | * Need to be discussed<br> |
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44 | Drop ltt-module-register and ltt-module-unregister, use exported variables.<br> |
45 | RelayFS ioctl interface vs control through LTT netlink interface.<br> |
46 | drop ltt_filter_control, use functions pointers instead.<br> |
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47 | Merge facilities headers into one big header.<br> |
48 | Change the name of XML files from XML to something else.<br> |
49 | Remove ltt-base.c.<br> |
50 | <br> |
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51 | * Not planned for integration<br> |
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52 | Remove the callback struct from the trace struct.<br> |
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53 | <br> |
54 | <br> |
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55 | <br> |
56 | * Next experimental release patch division :<br> |
57 | <br> |
58 | ltt-instrumentation.diff<br> |
59 | - ltt-configmenu.diff (put in ltt-core.diff)<br> |
60 | ltt-facilities-headers.diff<br> |
61 | ltt-facilities-loader.diff<br> |
62 | ltt-facilities.diff<br> |
63 | ltt-instrumentation.diff<br> |
64 | ltt-relayfs.diff<br> |
65 | ltt-time.diff<br> |
66 | ltt-core.diff<br> |
67 | <br> |
68 | <br> |
69 | Mathieu Desnoyers<br> |
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70 | |
71 | |
72 | </body> |
73 | </html> |