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[lttv.git] / ltt / branches / poly / doc / developer / lttng-lttv-roadmap.html
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1f2c88b1 1<html>
2<body>
e3a30a9e 3<center><big><big>LTTV & LTTng roadmap<small><small></center>
674fa3b3 4<br>
5<br>
5e11a375 6Here are the roadmaps for the LTTV and LTTng development. I use a priority indice
fc5993d2 7for the TODO items :<br>
90d65afc 8(1) : very high priority<br>
9(10): lowest priority<br>
fc5993d2 10<br>
11<br>
6b18b620 12Dependencies are written between brackets [ ].<br>
59656e3f 13The # symbol marks who is currently working on the item.<br>
e565223b 14The % symbol marks who is interested in the realisation of the item.<br>
59656e3f 15<br>
c8a111eb 16<big>LTTV Roadmap<small><br>
17<br>
18* TODO<br>
162990b3 19(3) Add cluster support.<br>
20 # <A HREF="mailto:Eric Clement <eric.clement@polymtl.ca>">Eric Clement</A><br>
ef19b009 21(3) Make LTTV aware of type formats (visual separators) defined in the XML
22file.<br>
15b0e8a4 23(3) Use a per architecture enumeration for traps.<br>
16fe6efa 24(4) Add event specific fields support to filter.<br>
6ed34001 25(4) Add a periodic event interval view. (useful to verify event periodicity)<br>
2d569f51 26(4) create a graphical per cpu activity view.<br>
b35779fc 27(5) Add Python scripting hooks.<br>
b0a1cd56 28(5) Flight recorder : start lttd automatically upon GUI trace control stop.<br>
caf22319 29(5) Automatically detect traces with too much processes and disable faulty operations.<br>
b0a1cd56 30(5) Event sequence detector (inspired from regular expressions).<br>
c5cab5d9 31(7) Create a hardware counter viewer (low cost rate counters : L1 cache miss,
32page faults, interrupts...). This will be a generalisation of the event rate
33view into a view of the evolution of a user definable event field.<br>
b85b85e5 34<br>
162990b3 35* TO FIX<br>
b85b85e5 36(10) Event filter : event.time does not work.<br>
37(10) Add cancel button to LTTV filter GUI window.<br>
38(10) Sometimes, in the control flow view, a process with 0 creation time is
39created in addition to the real process itself. Seems to be caused by end of
40process life.<br>
5355b763 41(10) Statistics do not take in account the time spent in the mode present at
42the beginning of the trace. Example : real time spent in system call on behalf
43of process 0.<br>
c8a111eb 44<br>
45<br>
c8a111eb 46<big>LTT Next Generation Roadmap<small><br>
0c4b3d55 47<br>
c8a111eb 48* TODO<br>
285468d4 49(4) Add Xen support.<br>
51096bff 50 # <A HREF="mailto:Mathieu Desnoyers <compudj@krystal.dyndns.org>">Mathieu Desnoyers</A><br>
285468d4 51 # <A HREF="mailto:Parisa Heidari <parisa.heidari@polymtl.ca>">Parisa Heidari</A><br>
59ce71d0 52(4) efficient dynamic event filtering while recording trace.<br>
53 % Sensis Corp. <A HREF="mailto:Bish, Tim <Tim.Bish@Sensis.com>">Tim Bish</A><br>
1e5a121c 54(4) instrument kernel bottom half irqsave, spinlocks, rwlocks, seqlocks, semaphores, mutexes, brlock.<br>
55(4) integrate NPTL instrumentation (see
56<A HREF="http://nptltracetool.sourceforge.net/">PTT</A>).<br>
3f43b8fb 57(5) Support CPUs with scalable frequency.<br>
2a341212 58(5) Integrate LTTng and lttd with LKCD.<br>
575b7e97 59(7) Integrate periodical dump of perfctr hardware counters.<br>
cc5ce8a0 60(8) Integrate periodical dump of SystemTAP computed information.<br>
61(8) Integrate SystemTAP logging with LTTng.<br>
9fd0275c 62(9) Add support for setjmp/longjmp and jump tables instrumentation to
451c9b19 63ltt-instrument-functions.<br>
51096bff 64(9) Make ltt-usertrace-fast support internal heartbeat timer.<br>
6b18b620 65(3) port LTTng to :<br>
e565223b 66x86_64<BR>
e4d84ff4 67#Autodesk <A HREF="mailto:Francois L'Archeveque <fla@discreet.com>">Francois
63eeefc3 68L'Archeveque</A> for 2.6.9 RedHat Enterprise (patch available in contrib, still
69has to be ported to 2.6.14, thanks!)<BR>
162990b3 70# Wind River for 2.6.14<BR>
e565223b 71PPC<BR>
72PPC64<BR>
162990b3 73# Wind River for 2.6.14<BR>
e565223b 74alpha<BR>
75user-mode Linux<BR>
76Xen<BR>
841c926b 77# IBM<BR>
e565223b 78MIPS<BR>
79MIPS64<BR>
162990b3 80% Wind River for 2.6.14<BR>
81# Tim Bird <A HREF="mailto:tim.bird@as.sony.com">Tim Bird</A><br>
e565223b 82S/390<BR>
0c4b3d55 83<br>
15e89ad6 84<br>
b720b182 85<br>
86* TODO (low priority)<br>
cbe85414 87enhance RPM packages for lttng kernel<br>
b720b182 88Integrate header generation (genevent) in kernel build system.<br>
baffa645 89Find a different way to printk from instrumentation : forbidden from schedule
63eeefc3 90and wakeup (causes a deadlock). -> Modify printk so it uses LTTng tracer!<br>
91Export channels via network sockets instead of writing them to disk.<br>
92Export buffers with time constraint for "live" visualisation. Use
6b18b620 93ltt_force_switch periodically from a timer to insure slow channels do not
63eeefc3 94interfere with viewing.<br>
44397e24 95Have an optional round-robin mode to write information into multiple channels
96from the same source.<br>
b720b182 97<br>
15e89ad6 98* Need to be discussed<br>
af3cfedc 99Use 2.6.14 RelayFS control files.<br>
b720b182 100Drop ltt-module-register and ltt-module-unregister, use exported variables.<br>
b720b182 101drop ltt_filter_control, use functions pointers instead.<br>
b720b182 102Merge facilities headers into one big header.<br>
103Change the name of XML files from XML to something else.<br>
104Remove ltt-base.c.<br>
105<br>
b720b182 106<br>
2966f052 107* lttng patch division (0.5.10+) :<br>
108<br>
451c9b19 109instrumentation.diff<br>
110instrumentation-arm.diff<br>
111instrumentation-i386.diff<br>
112instrumentation-mips.diff<br>
113instrumentation-powerpc.diff<br>
114instrumentation-ppc.diff<br>
115instrumentation-s390.diff<br>
116instrumentation-sh.diff<br>
b720b182 117ltt-facilities-headers.diff<br>
118ltt-facilities-loader.diff<br>
119ltt-facilities.diff<br>
b720b182 120ltt-relayfs.diff<br>
b720b182 121ltt-core.diff<br>
2966f052 122ltt-build.diff<br>
b720b182 123<br>
124<br>
125Mathieu Desnoyers<br>
1f2c88b1 126
127
128</body>
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