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| 26 | <H1 CLASS="western">Installing LTTv library for Eclipse LTTng plugin</H1> |
| 27 | <P STYLE="margin-bottom: 0.21cm"><BR><BR> |
| 28 | </P> |
| 29 | <P STYLE="margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif">This |
| 30 | document describes how to install and configure the LTTv C-code |
| 31 | library in order to load and parse LTTng traces with the Eclipse LTTng plugin. </FONT> |
| 32 | </P> |
| 33 | <P STYLE="margin-bottom: 0cm"><BR> |
| 34 | </P> |
| 35 | <H3 CLASS="western">For the impatient</H3> |
| 36 | <P STYLE="margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif">For each trace format version (v2.3, v2.5 and/or v2.6) you want to process :</P> |
| 37 | <UL> |
| 38 | <LI><P STYLE="margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif">Download |
| 39 | LTTv application, from |
| 40 | <A HREF="http://git.dorsal.polymtl.ca/?p=liblttngtrace.git;a=summary">http://git.dorsal.polymtl.ca/?p=liblttngtrace.git;a=summary</A></FONT></P> |
| 41 | <LI><P STYLE="margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif">Compile |
| 42 | it with the JNI support activated :</FONT></P> |
| 43 | <P STYLE="margin-bottom: 0.3cm"><FONT FACE="Arial, sans-serif"><FONT SIZE=2><I>./configure |
| 44 | --with-jni-interface && make && make install</I></FONT></FONT></P> |
| 45 | <LI><P STYLE="margin-bottom: 0cm"><FONT FACE="Nimbus Roman No9 L, serif">Start |
| 46 | Eclipse application making sure the library is in LD_LIBRARY_PATH.</FONT></P> |
| 47 | </UL> |
| 48 | <P STYLE="margin-bottom: 0cm"><BR></P> |
| 49 | <P STYLE="text-indent: 1.27cm; margin-bottom: 0cm"><FONT FACE="Nimbus Roman No9 L, serif"> |
| 50 | Note: Unless you plan to process legacy traces, version 2.5 and 2.6 should be sufficient for most needs.</FONT> |
| 51 | </P> |
| 52 | <P STYLE="text-indent: 1.27cm; margin-bottom: 0cm"><FONT FACE="Nimbus Roman No9 L, serif"> |
| 53 | It didn't work? Please read “Installation steps” section. </FONT> |
| 54 | </P> |
| 55 | <P STYLE="text-indent: 1.27cm; margin-bottom: 0cm"><BR> |
| 56 | </P> |
| 57 | <P STYLE="margin-bottom: 0cm"><FONT FACE="Nimbus Roman No9 L, serif"> |
| 58 | Make sure you install the latest version last (currently v2.6).</FONT></P> |
| 59 | <P STYLE="margin-bottom: 0cm"><BR> |
| 60 | </P> |
| 61 | <H3 CLASS="western">Why a C library ? |
| 62 | </H3> |
| 63 | <P STYLE="margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif"> |
| 64 | LTTng and LTTv are mostly coded in C (with some parts in even more evil stuff) so |
| 65 | their functionalities are not directly available in Java. Also, for |
| 66 | the sake of performance, it was decided to re-use the |
| 67 | native, multi-platform C library for the low-level functions rather |
| 68 | than re-implement them in Java. Also, the C library |
| 69 | is under constant development and it would have been a bad idea to |
| 70 | branch this one just yet.</FONT></P> |
| 71 | <P STYLE="margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif"> |
| 72 | So right now, the normal path for an event through LTTng would be the |
| 73 | following :</FONT></P> |
| 74 | <P STYLE="margin-left: 0.5cm; margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif"><I>Linux |
| 75 | Kernel -> Trace Directory</I></FONT></P> |
| 76 | <P STYLE="margin-left: 0.5cm; margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif"><I>(Trace |
| 77 | Directory read by) LTTv C Library -> JNI (C side) -> JNI (Java |
| 78 | Side) -> Eclipse LTTng Plugin</I></FONT></P> |
| 79 | <P STYLE="margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif">(Note |
| 80 | that the kernel is only used to record at trace). </FONT> |
| 81 | </P> |
| 82 | <P STYLE="margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif">For |
| 83 | all these reasons, the LTTv C library and a JNI (Java Native |
| 84 | Interface) is needed for java to process LTTng trace. The JNI itself, |
| 85 | however, is already included in LTTv and it should be easy to build |
| 86 | and to install (using this very installation guide). </FONT> |
| 87 | </P> |
| 88 | <P STYLE="margin-bottom: 0cm"><BR> |
| 89 | </P> |
| 90 | <H3 CLASS="western">Installation steps |
| 91 | </H3> |
| 92 | <P STYLE="margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif">First |
| 93 | on all, we need to download and compile the source of the LTTv |
| 94 | application, with the JNI support enabled. To do so, follow the 4 steps described in this section.</FONT> |
| 95 | </P> |
| 96 | <P STYLE="margin-left: 1.22cm; margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif"><I><B>Note</B> |
| 97 | : LTTv is responsible of handling the trace format for Eclipse. |
| 98 | However, as the trace format changed overtime, you might need to |
| 99 | compile several versions of LTTv if you plan to support multiple |
| 100 | trace formats. Each “branch” of LTTv should tell you by its name |
| 101 | which version of the LTTng trace it supports. If you did not generate |
| 102 | a trace already, you might want to stick with the latest LTTv |
| 103 | version, otherwise, it is recommended to compile all available versions |
| 104 | (currently v2.3, v2.5 and v2.6). </I></FONT> |
| 105 | </P> |
| 106 | <P STYLE="margin-left: 1.22cm; margin-bottom: 0.21cm; font-style: normal"> |
| 107 | <FONT FACE="Nimbus Roman No9 L, serif"><FONT COLOR="#ff950e"><SPAN STYLE="text-decoration: none"><B><SPAN STYLE="background: transparent">NOTE</SPAN></B></SPAN></FONT><SPAN STYLE="text-decoration: none"><B>:</B></SPAN> |
| 108 | If you don't know which trace format you need, you may want to get all |
| 109 | of them to support multiple versions of traces (2.5 and 2.6 are |
| 110 | more or less mandatory). Just perform the following instructions for each |
| 111 | trace format.</FONT></P> |
| 112 | <P STYLE="margin-left: 1.22cm; margin-bottom: 0.21cm; font-style: normal"> |
| 113 | <FONT FACE="Nimbus Roman No9 L, serif">In all case, make sure you |
| 114 | install the latest version <i><u>last</u></i> (currently v2.6).</FONT></P> |
| 115 | <P STYLE="margin-bottom: 0.21cm"><BR><BR> |
| 116 | </P> |
| 117 | <OL> |
| 118 | <LI><P STYLE="margin-bottom: 0.21cm; text-decoration: none"><FONT FACE="Nimbus Roman No9 L, serif"><I><B>Downloading |
| 119 | LTTv</B></I></FONT></P> |
| 120 | </OL> |
| 121 | <P STYLE="margin-left: 1.22cm; margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif">There |
| 122 | are actually three variants of the LTTv library available for download.</FONT></P> |
| 123 | <P STYLE="margin-left: 1.22cm; margin-bottom: 0.21cm; font-style: normal"> |
| 124 | <BR><BR> |
| 125 | </P> |
| 126 | <P STYLE="margin-left: 1.22cm; margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif">- |
| 127 | <B>Beta JNI build (git) </B><FONT COLOR="#ff950e"><B>(PLEASE USE |
| 128 | THIS)</B></FONT></FONT></P> |
| 129 | <P STYLE="margin-left: 1.22cm; margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif">This |
| 130 | is the very beta tree of LTTv that include the newest JNI changes. It |
| 131 | is under constant development, so there might be some bugs left, but |
| 132 | it contains the newer JNI interface, which is probably what you need.</FONT></P> |
| 133 | <P STYLE="margin-left: 1.22cm; margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif">This |
| 134 | is definitely what you should use. You can get it from :</FONT></P> |
| 135 | <P STYLE="margin-left: 1.22cm; margin-bottom: 0.21cm"><A HREF="http://git.dorsal.polymtl.ca/?p=liblttngtrace.git;a=summary"><FONT FACE="Nimbus Roman No9 L, serif"><I>http://git.dorsal.polymtl.ca/?p=liblttngtrace.git;a=summary</I></FONT></A></P> |
| 136 | <P STYLE="margin-left: 1.22cm; margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif"><SPAN STYLE="font-style: normal"> |
| 137 | Then, in the “</SPAN><I><B>heads</B></I>”<SPAN STYLE="font-style: normal"> section |
| 138 | (below the “</SPAN><I><B>shortlog</B></I>”<SPAN STYLE="font-style: normal">section), |
| 139 | click on the trace format that suits your need</SPAN> <SPAN STYLE="font-style: normal">. |
| 140 | In the new download page, click the “</SPAN><I>snapshot</I>”<SPAN STYLE="font-style: normal"> link |
| 141 | of the top entry (with a marker of the form 'traceformat-n.n') to download the corresponding archive.</SPAN></FONT></P> |
| 142 | <P STYLE="margin-left: 1.22cm; margin-bottom: 0.21cm"><BR><BR> |
| 143 | </P> |
| 144 | <P STYLE="margin-left: 1.22cm; margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif">- |
| 145 | <B>Development build (git) </B></FONT> |
| 146 | </P> |
| 147 | <P STYLE="margin-left: 1.22cm; margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif"> |
| 148 | This is the release candidate of the LTTv application. It contains |
| 149 | features that are under development or too experimental to make it to |
| 150 | the main tree. It also includes the JNI interface that you need to |
| 151 | use Eclipse; however, this branch could be a little late on the |
| 152 | beta, so use at your own risk. </FONT> |
| 153 | </P> |
| 154 | <P STYLE="margin-left: 1.22cm; margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif">If |
| 155 | you want to try, get it from :<BR></FONT></P> |
| 156 | <P STYLE="margin-left: 1.22cm; margin-bottom: 0.21cm"><A HREF="http://lttng.org/cgi-bin/gitweb.cgi?p=lttv.git;a=summary"><FONT FACE="Nimbus Roman No9 L, serif"><I>http://lttng.org/cgi-bin/gitweb.cgi?p=lttv.git;a=summary</I></FONT></A></P> |
| 157 | <P STYLE="margin-left: 1.22cm; margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif"><SPAN STYLE="font-style: normal"> |
| 158 | Then, in the “</SPAN><I><B>heads</B></I>”<SPAN STYLE="font-style: normal"> section |
| 159 | (below the “</SPAN><I><B>shortlog</B></I>”<SPAN STYLE="font-style: normal"> and “</SPAN><I><B>tags</B></I>”<SPAN STYLE="font-style: normal">section), |
| 160 | click on the trace format that suits your need</SPAN> <SPAN STYLE="font-style: normal">. |
| 161 | In the new download page, click the “</SPAN><I>snapshot</I>”<SPAN STYLE="font-style: normal"> link |
| 162 | of the top entry (with a marker of the form 'traceformat-n.n') to download the corresponding archive.</SPAN></FONT></P> |
| 163 | |
| 164 | |
| 165 | |
| 166 | |
| 167 | |
| 168 | <P STYLE="margin-left: 1.22cm; margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif"><SPAN STYLE="font-style: normal">Then, |
| 169 | in the “</SPAN><I>head</I>” <SPAN STYLE="font-style: normal">section, |
| 170 | click on the traceformat that suite your need</SPAN> <SPAN STYLE="font-style: normal">and |
| 171 | then choose “</SPAN><I>snapshot</I>” <SPAN STYLE="font-style: normal">to |
| 172 | download its archive.</SPAN></FONT></P> |
| 173 | <P STYLE="margin-left: 1.22cm; margin-bottom: 0.21cm"><BR><BR> |
| 174 | </P> |
| 175 | <P STYLE="margin-left: 1.22cm; margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif">- |
| 176 | <B>Stable release</B></FONT></P> |
| 177 | <P STYLE="margin-left: 1.22cm; margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif">This |
| 178 | is the main LTTv tree. Actually missing the JNI fonctionnality but |
| 179 | this might be added soon. Until this is done, you should stick with |
| 180 | development version. </FONT> |
| 181 | </P> |
| 182 | <P STYLE="margin-left: 1.22cm; margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif">If |
| 183 | you want to try it anyways, you can get it from |
| 184 | </FONT><A HREF="http://www.lttng.org/?q=node/3"><FONT FACE="Nimbus Roman No9 L, serif"><I>http://www.lttng.org/?q=node/3</I></FONT></A></P> |
| 185 | <P STYLE="margin-left: 1.22cm; margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif">Then, |
| 186 | select “<I>Download the latest lttv-[version].tar.gz</I>” in the |
| 187 | menu and pick the most recent (usually on top) release.</FONT></P> |
| 188 | <P STYLE="margin-left: 1.22cm; margin-bottom: 0.21cm"><BR><BR> |
| 189 | </P> |
| 190 | <P STYLE="margin-bottom: 0.21cm"><BR><BR> |
| 191 | </P> |
| 192 | <OL START=2> |
| 193 | <LI><P STYLE="margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif"><I><B>Decompressing |
| 194 | the archive(s)</B></I></FONT></P> |
| 195 | </OL> |
| 196 | <P STYLE="margin-left: 1.27cm; margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif">You |
| 197 | now need to archive files where you want them and to uncompress them. |
| 198 | You need to do this for each LTTv version you downloaded.</FONT></P> |
| 199 | <P STYLE="margin-left: 1.27cm; margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif">The |
| 200 | way to do it in command line would be something like : </FONT> |
| 201 | </P> |
| 202 | <P STYLE="margin-left: 1.27cm; margin-bottom: 0.3cm"><FONT FACE="Arial, sans-serif"><FONT SIZE=2><I>mv |
| 203 | archive_name.tar.gz /where/you/want</I></FONT></FONT></P> |
| 204 | <P STYLE="margin-left: 1.27cm; margin-bottom: 0.3cm"><FONT FACE="Arial, sans-serif"><FONT SIZE=2><I>tar |
| 205 | -xvzf archive_name.tar.gz</I></FONT></FONT></P> |
| 206 | <P STYLE="margin-left: 1.27cm; margin-bottom: 0.21cm"><BR><BR> |
| 207 | </P> |
| 208 | <P STYLE="margin-left: 1.27cm; margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif">As |
| 209 | example, this is what I would do for myself :</FONT></P> |
| 210 | <P STYLE="margin-left: 1.27cm; margin-bottom: 0.3cm"><FONT FACE="Arial, sans-serif"><FONT SIZE=2><I>mv |
| 211 | liblttngtrace-bcaf565bbfb26d0ac7e4647528230feb61443a01.tar.gz |
| 212 | /home/william</I></FONT></FONT></P> |
| 213 | <P STYLE="margin-left: 1.27cm; margin-bottom: 0.3cm"><FONT FACE="Arial, sans-serif"><FONT SIZE=2><I>tar |
| 214 | -xvzf liblttngtrace-bcaf565bbfb26d0ac7e4647528230feb61443a01.tar.gz</I></FONT></FONT></P> |
| 215 | <P STYLE="margin-bottom: 0.21cm"><BR><BR> |
| 216 | </P> |
| 217 | <OL START=3> |
| 218 | <LI><P STYLE="margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif"><I><B>Configuration</B></I></FONT></P> |
| 219 | </OL> |
| 220 | <P STYLE="margin-left: 1.27cm; margin-bottom: 0.21cm; font-style: normal"> |
| 221 | <FONT FACE="Nimbus Roman No9 L, serif"><B>At First</B></FONT></P> |
| 222 | <P STYLE="margin-left: 1.27cm; margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif">Enter |
| 223 | one of the uncompressed directory, you should use a command like : </FONT> |
| 224 | </P> |
| 225 | <P STYLE="margin-left: 1.27cm; margin-bottom: 0.3cm"><FONT FACE="Arial, sans-serif"><FONT SIZE=2><I>cd |
| 226 | liblttngtrace</I></FONT></FONT></P> |
| 227 | <P STYLE="margin-left: 1.24cm; margin-bottom: 0cm"><FONT FACE="Nimbus Roman No9 L, serif">(Of |
| 228 | course “<I>liblttngtrace</I>” need to be the name of the |
| 229 | uncompressed directory).</FONT></P> |
| 230 | <P STYLE="margin-left: 1.24cm; margin-bottom: 0cm"><BR> |
| 231 | </P> |
| 232 | <P STYLE="margin-left: 1.24cm; margin-bottom: 0cm"><BR> |
| 233 | </P> |
| 234 | <P STYLE="margin-left: 1.24cm; margin-bottom: 0cm"><FONT FACE="Nimbus Roman No9 L, serif">If |
| 235 | you are using any “Development build” (first or second choice of |
| 236 | the download section), before doing anything, you need to do the |
| 237 | following : </FONT> |
| 238 | </P> |
| 239 | <P STYLE="margin-left: 1.24cm; margin-bottom: 0.3cm"><FONT FACE="Arial, sans-serif"><FONT SIZE=2><I>./autogen.sh</I></FONT></FONT></P> |
| 240 | <P STYLE="margin-left: 1.24cm; margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif">You |
| 241 | can safetly ignore any errors you get there, we will take care of |
| 242 | them next. </FONT> |
| 243 | </P> |
| 244 | <P STYLE="margin-bottom: 0.21cm"><BR><BR> |
| 245 | </P> |
| 246 | <P STYLE="margin-left: 1.3cm; margin-bottom: 0.21cm; font-style: normal"> |
| 247 | <FONT FACE="Nimbus Roman No9 L, serif"><B>Dependencies</B></FONT></P> |
| 248 | <P STYLE="margin-left: 1.3cm; margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif">To |
| 249 | build LTTv, the folowing dependencies need to be met. A (very) |
| 250 | incomplete list is the following. Most distribution should have most |
| 251 | of this stuff, except maybe gtk-dev, glib-dev and libopt that are |
| 252 | probably missing on most systems.</FONT></P> |
| 253 | <P STYLE="margin-left: 1.3cm; margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif">Install |
| 254 | the missing dependencies using your distribution package manager and |
| 255 | then jump to the “<I>configure script</I>” step.</FONT></P> |
| 256 | <P STYLE="margin-left: 1.3cm; margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif"><FONT SIZE=2><B>libtool |
| 257 | (and its dependencies like autotools, autoconf, automake and such...)</B></FONT></FONT></P> |
| 258 | <P STYLE="margin-left: 2.01cm; margin-bottom: 0.21cm; font-weight: normal"> |
| 259 | <FONT FACE="Nimbus Roman No9 L, serif"><FONT SIZE=2><I>(Debian/Ubuntu |
| 260 | : libtool)</I></FONT></FONT></P> |
| 261 | <P STYLE="margin-left: 2.01cm; margin-bottom: 0.21cm; font-weight: normal"> |
| 262 | <FONT FACE="Nimbus Roman No9 L, serif"><FONT SIZE=2><I>(Fedora/Redhat |
| 263 | : libtool-2)</I></FONT></FONT></P> |
| 264 | <P STYLE="margin-left: 1.3cm; margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif"><FONT SIZE=2><B>gcc |
| 265 | 3.2 (or better)</B></FONT></FONT></P> |
| 266 | <P STYLE="margin-left: 1.98cm; margin-bottom: 0.21cm; font-weight: normal"> |
| 267 | <FONT FACE="Nimbus Roman No9 L, serif"><FONT SIZE=2><I>(Debian/Ubuntu |
| 268 | : gcc-3.2)</I></FONT></FONT></P> |
| 269 | <P STYLE="margin-left: 1.98cm; margin-bottom: 0.21cm; font-weight: normal"> |
| 270 | <FONT FACE="Nimbus Roman No9 L, serif"><FONT SIZE=2><I>(Fedora/Redhat |
| 271 | : gcc-3.2)</I></FONT></FONT></P> |
| 272 | <P STYLE="margin-left: 1.3cm; margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif"><FONT SIZE=2><B>gtk |
| 273 | 2.4 development libraries (or better)</B></FONT></FONT></P> |
| 274 | <P STYLE="margin-left: 2.04cm; margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif"><FONT SIZE=2><I>(Debian/Ubuntu |
| 275 | : libgtk2.0, libgtk2.0-dev)</I></FONT></FONT></P> |
| 276 | <P STYLE="margin-left: 2.04cm; margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif"><FONT SIZE=2><I>(Fedora/Redhat |
| 277 | : gtk2, gtk2-devel)</I></FONT></FONT></P> |
| 278 | <P STYLE="margin-left: 1.3cm; margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif"><FONT SIZE=2><B>glib |
| 279 | 2.4 development libraries (or better)</B></FONT></FONT></P> |
| 280 | <P STYLE="margin-left: 2.09cm; margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif"><FONT SIZE=2><I>(Debian/Ubuntu |
| 281 | : libglib2.0-0, libglib2.0-dev)</I></FONT></FONT></P> |
| 282 | <P STYLE="margin-left: 2.09cm; margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif"><FONT SIZE=2><I>(Fedora/Redhat |
| 283 | : glib2, glib2-devel)</I></FONT></FONT></P> |
| 284 | <P STYLE="margin-left: 1.3cm; margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif"><FONT SIZE=2><B>libpopt |
| 285 | development libraries</B></FONT></FONT></P> |
| 286 | <P STYLE="margin-left: 2.17cm; margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif"><FONT SIZE=2><I>(Debian/Ubuntu |
| 287 | : libpopt0, libpopt-dev)</I></FONT></FONT></P> |
| 288 | <P STYLE="margin-left: 2.17cm; margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif"><FONT SIZE=2><I>(Fedora/Redhat |
| 289 | : popt)</I></FONT></FONT></P> |
| 290 | <P STYLE="margin-left: 1.3cm; margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif"><FONT SIZE=2><B>libpango |
| 291 | development libraries</B></FONT></FONT></P> |
| 292 | <P STYLE="margin-left: 2.12cm; margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif"><FONT SIZE=2><I>(Debian |
| 293 | : libpango1.0, libpango1.0-dev)</I></FONT></FONT></P> |
| 294 | <P STYLE="margin-left: 2.12cm; margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif"><FONT SIZE=2><I>(Fedora |
| 295 | : pango, pango-devel)</I></FONT></FONT></P> |
| 296 | <P STYLE="margin-left: 1.3cm; margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif"><FONT SIZE=2><B>libc6 |
| 297 | development librairies </B></FONT></FONT> |
| 298 | </P> |
| 299 | <P STYLE="margin-left: 2.09cm; margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif"><FONT SIZE=2><I>(Debian |
| 300 | : libc6, libc6-dev)</I></FONT></FONT></P> |
| 301 | <P STYLE="margin-left: 2.09cm; margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif"><FONT SIZE=2><I>(Fedora |
| 302 | : glibc, glibc)<BR></I></FONT></FONT><BR><BR> |
| 303 | </P> |
| 304 | <P STYLE="margin-left: 1.3cm; margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif"><B>Configure |
| 305 | step</B></FONT></P> |
| 306 | <P STYLE="margin-left: 1.3cm; margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif">LTTv |
| 307 | have several compile options that you can turn on/off. To see a full |
| 308 | list, type the following : </FONT> |
| 309 | </P> |
| 310 | <P STYLE="margin-left: 1.3cm; margin-bottom: 0.3cm"><FONT FACE="Arial, sans-serif"><FONT SIZE=2><I>./configure |
| 311 | –help<BR></I></FONT></FONT><BR><BR> |
| 312 | </P> |
| 313 | <P STYLE="margin-left: 1.3cm; margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif">The |
| 314 | following option is <U><B>essential</B></U> for Eclipse to work :</FONT></P> |
| 315 | <P STYLE="margin-left: 1.3cm; margin-bottom: 0.3cm"><FONT FACE="Arial, sans-serif"><FONT SIZE=2><I>--with-jni-interface |
| 316 | Build JNI interface between C and java. Need java include files. |
| 317 | [default=no]<BR></I></FONT></FONT><BR><BR> |
| 318 | </P> |
| 319 | <P STYLE="margin-left: 1.3cm; margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif">The |
| 320 | following options may be useful for you as well : </FONT> |
| 321 | </P> |
| 322 | <P STYLE="margin-left: 1.3cm; margin-bottom: 0.3cm"><FONT FACE="Arial, sans-serif"><FONT SIZE=2><I>1) |
| 323 | --prefix=PREFIX install architecture-independent files in PREFIX |
| 324 | [/usr/local] </I></FONT></FONT> |
| 325 | </P> |
| 326 | <P STYLE="margin-left: 1.3cm; margin-bottom: 0.3cm"><FONT FACE="Arial, sans-serif"><FONT SIZE=2><I>2) |
| 327 | --with-lttv Build whole LTTV system, as opposed to only the trace |
| 328 | reading library [default=yes]</I></FONT></FONT></P> |
| 329 | <P STYLE="margin-left: 1.3cm; margin-bottom: 0.3cm"><FONT FACE="Arial, sans-serif"><FONT SIZE=2><I>3) |
| 330 | --with-java-jdk=DIR Use java jdk from DIR. Ex : $JAVA_HOME.</I></FONT></FONT></P> |
| 331 | <P STYLE="margin-left: 1.3cm; margin-bottom: 0.21cm"><BR><BR> |
| 332 | </P> |
| 333 | <P STYLE="margin-left: 1.27cm; margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif">1) |
| 334 | Change PREFIX to something in your home if you don't have root access |
| 335 | on your system.</FONT></P> |
| 336 | <P STYLE="margin-left: 1.85cm; margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif">Use |
| 337 | a flag like : --prefix=/home/your_name/a_directory</FONT></P> |
| 338 | <P STYLE="margin-left: 1.27cm; margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif">2) |
| 339 | Unless you need LTTv Gtk gui, you better turn off turn off LTTv UI |
| 340 | compilation. </FONT> |
| 341 | </P> |
| 342 | <P STYLE="margin-left: 1.85cm; margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif">Use |
| 343 | the flag : --without-lttv</FONT></P> |
| 344 | <P STYLE="margin-left: 1.27cm; margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif">3) |
| 345 | On some (most?) system, configure will need you to indicate where it |
| 346 | can find the java JDK to compile the JNI. </FONT> |
| 347 | </P> |
| 348 | <P STYLE="margin-left: 1.85cm; margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif">Use |
| 349 | a flag like : --with-java-jdk=/where/java-jdk/is</FONT></P> |
| 350 | <P STYLE="margin-left: 1.3cm; margin-bottom: 0.21cm"><BR><BR> |
| 351 | </P> |
| 352 | <P STYLE="margin-left: 1.3cm; margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif">As |
| 353 | example, here is what I would use :</FONT></P> |
| 354 | <P STYLE="margin-left: 1.3cm; margin-bottom: 0.3cm"><FONT FACE="Arial, sans-serif"><FONT SIZE=2><I>./configure |
| 355 | --prefix=/home/william/apps --without-lttv |
| 356 | --with-java-jdk=/usr/local/jdk1.6.0_13 --with-jni-interface </I></FONT></FONT> |
| 357 | </P> |
| 358 | <P STYLE="margin-left: 1.3cm; margin-bottom: 0.21cm"><BR><BR> |
| 359 | </P> |
| 360 | <P STYLE="margin-left: 1.3cm; margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif">Fix |
| 361 | any missing dependencies errors and move to the next step.</FONT></P> |
| 362 | <P STYLE="margin-bottom: 0.21cm"><BR><BR> |
| 363 | </P> |
| 364 | <OL START=4> |
| 365 | <LI><P STYLE="margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif"><I><B>Build |
| 366 | and install</B></I></FONT></P> |
| 367 | </OL> |
| 368 | <P STYLE="margin-left: 1.32cm; margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif">Now |
| 369 | that program is correctly configured, we can try to build it. Type |
| 370 | the following command (this can take a while) :</FONT></P> |
| 371 | <P STYLE="margin-left: 1.32cm; margin-bottom: 0.3cm"><FONT FACE="Arial, sans-serif"><FONT SIZE=2><I>make</I></FONT></FONT></P> |
| 372 | <P STYLE="margin-left: 1.32cm; margin-bottom: 0.21cm"><BR><BR> |
| 373 | </P> |
| 374 | <P STYLE="margin-left: 1.32cm; margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif">When |
| 375 | it is over, make sure there were no error during the compilation and |
| 376 | issue the following command : </FONT> |
| 377 | </P> |
| 378 | <P STYLE="margin-left: 1.32cm; margin-bottom: 0.3cm"><FONT FACE="Arial, sans-serif"><FONT SIZE=2><I>sudo |
| 379 | make install</I></FONT></FONT></P> |
| 380 | <P STYLE="margin-left: 1.32cm; margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif">OR |
| 381 | if you don't have root acess AND changed the --prefix=PREFIX flag |
| 382 | during the configuration :</FONT></P> |
| 383 | <P STYLE="margin-left: 1.32cm; margin-bottom: 0.3cm"><FONT FACE="Arial, sans-serif"><FONT SIZE=2><I>make |
| 384 | install </I></FONT></FONT> |
| 385 | </P> |
| 386 | <P STYLE="margin-left: 1.32cm; margin-bottom: 0.21cm"><BR><BR> |
| 387 | </P> |
| 388 | <P STYLE="margin-left: 1.32cm; margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif">LTTv |
| 389 | should now be installed on your system. </FONT> |
| 390 | </P> |
| 391 | <P STYLE="margin-left: 1.32cm; margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif">Get |
| 392 | back to the step <I>3) “Configuration” </I>and do the same |
| 393 | operations for all the LTTv version that were downloaded to install |
| 394 | them on your system. </FONT> |
| 395 | </P> |
| 396 | <P STYLE="margin-bottom: 0.21cm"><BR><BR> |
| 397 | </P> |
| 398 | <OL START=5> |
| 399 | <LI><P STYLE="margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif"><I><B>Set |
| 400 | library path</B></I></FONT></P> |
| 401 | </OL> |
| 402 | <P STYLE="margin-left: 1.3cm; margin-bottom: 0cm"><FONT FACE="Nimbus Roman No9 L, serif">Now |
| 403 | that LTTv is installed, we need to make sure Eclipse can find its |
| 404 | library easily. The best way to do so is to ajust the |
| 405 | LD_LIBRARY_PATH. </FONT> |
| 406 | </P> |
| 407 | <P STYLE="margin-left: 1.3cm; margin-bottom: 0cm"><BR> |
| 408 | </P> |
| 409 | <P STYLE="margin-left: 1.3cm; margin-bottom: 0cm"><FONT FACE="Nimbus Roman No9 L, serif">The |
| 410 | following should work on most system if your shell is BASH or KSH <U>(in |
| 411 | case of doubt try this one)</U> :</FONT></P> |
| 412 | <P STYLE="margin-left: 1.3cm; margin-bottom: 0.3cm"><FONT FACE="Arial, sans-serif"><FONT SIZE=2><I>export |
| 413 | LD_LIBRARY_PATH=”/usr/local/lib:$LD_LIBRARY_PATH”</I></FONT></FONT></P> |
| 414 | <P STYLE="margin-left: 1.3cm; margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif">OR |
| 415 | if you changed the --prefix=PREFIX flag during the configuration :</FONT></P> |
| 416 | <P STYLE="margin-left: 1.3cm; margin-bottom: 0.3cm"><FONT FACE="Arial, sans-serif"><FONT SIZE=2><I>export |
| 417 | LD_LIBRARY_PATH=”/where_you_set_prefix/lib:$LD_LIBRARY_PATH”</I></FONT></FONT></P> |
| 418 | <P STYLE="margin-left: 1.3cm; margin-bottom: 0cm"><BR> |
| 419 | </P> |
| 420 | <P STYLE="margin-left: 1.3cm; margin-bottom: 0cm"><BR> |
| 421 | </P> |
| 422 | <P STYLE="margin-left: 1.3cm; margin-bottom: 0cm"><FONT FACE="Nimbus Roman No9 L, serif">If |
| 423 | you are using a CSH or TCSH shell, this might be what you need : </FONT> |
| 424 | </P> |
| 425 | <P STYLE="margin-left: 1.3cm; margin-bottom: 0.3cm"><FONT FACE="Arial, sans-serif"><FONT SIZE=2><I>setenv |
| 426 | LD_LIBRARY_PATH /usr/local/lib\:$LD_LIBRARY_PATH</I></FONT></FONT></P> |
| 427 | <P STYLE="margin-left: 1.3cm; margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif">OR |
| 428 | if you changed the --prefix=PREFIX flag during the configuration :</FONT></P> |
| 429 | <P STYLE="margin-left: 1.3cm; margin-bottom: 0.3cm"><FONT FACE="Arial, sans-serif"><FONT SIZE=2><I>setenv |
| 430 | LD_LIBRARY_PATH /where_you_set_prefix/lib\:$LD_LIBRARY_PATH</I></FONT></FONT></P> |
| 431 | <P STYLE="margin-left: 1.3cm; margin-bottom: 0cm"><BR> |
| 432 | </P> |
| 433 | <P STYLE="margin-left: 1.3cm; margin-bottom: 0cm"><FONT FACE="Nimbus Roman No9 L, serif">If |
| 434 | you have root access on the system, if can be a good idea to run |
| 435 | ldconfig as well :</FONT></P> |
| 436 | <P STYLE="margin-left: 1.3cm; margin-bottom: 0.3cm"><FONT FACE="Arial, sans-serif"><FONT SIZE=2><I>sudo |
| 437 | ldconfig</I></FONT></FONT></P> |
| 438 | <P STYLE="margin-left: 1.3cm; margin-bottom: 0cm"><BR> |
| 439 | </P> |
| 440 | <P STYLE="margin-left: 1.3cm; margin-bottom: 0cm"><FONT FACE="Nimbus Roman No9 L, serif"><I><U>Note |
| 441 | these settings will disapears on logout</U>, you mght consider adding |
| 442 | this to your autostart or setting it system wide! </I></FONT> |
| 443 | </P> |
| 444 | <P STYLE="margin-left: 1.3cm; margin-bottom: 0cm"><BR> |
| 445 | </P> |
| 446 | <P STYLE="margin-left: 1.3cm; margin-bottom: 0cm"><FONT FACE="Nimbus Roman No9 L, serif">You |
| 447 | should be ready to start Eclipse now.</FONT></P> |
| 448 | <P STYLE="margin-bottom: 0cm"><BR> |
| 449 | </P> |
| 450 | <H3 CLASS="western">FAQ</H3> |
| 451 | <OL> |
| 452 | <LI><P STYLE="margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif"><I>When |
| 453 | trying to start LTTng in Eclipse, I end up with the following |
| 454 | exception :<BR></I><FONT COLOR="#000080"><FONT FACE="Monospace"><FONT SIZE=2><I><U>org.eclipse.linuxtools.lttng.trace.LTTngTraceException</U></I></FONT></FONT></FONT><FONT COLOR="#ff0000"><FONT FACE="Monospace"><FONT SIZE=2><I>: |
| 455 | Failed to initialize library! Is the trace version supported?</I></FONT></FONT></FONT></FONT></P> |
| 456 | <P ALIGN=LEFT><FONT COLOR="#ff0000"><FONT FACE="Monospace"><FONT SIZE=2>Make |
| 457 | sure you have the correct LTTv library compiled. (openTrace)</FONT></FONT></FONT></P> |
| 458 | <P STYLE="margin-top: 0.3cm; margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif"><FONT COLOR="#000000"><FONT SIZE=3><SPAN STYLE="font-style: normal">This |
| 459 | mean you do not have the correct LTTv library available on your |
| 460 | system. Go back to the section </SPAN></FONT></FONT><FONT COLOR="#000000"><FONT SIZE=3><I>"1) |
| 461 | – Download”</I></FONT></FONT><FONT COLOR="#000000"> </FONT><FONT COLOR="#000000"><FONT SIZE=3><SPAN STYLE="font-style: normal">and |
| 462 | make sure you downloaded (and installed) the correct version of LTTv |
| 463 | to support the format of trace you want to read. As example, if your |
| 464 | trace is of LTTng format 2.3, you will need to download and install |
| 465 | the archive marked as “traceformat-2.3”.</SPAN></FONT></FONT></FONT></P> |
| 466 | </OL> |
| 467 | <P STYLE="margin-bottom: 0.21cm"><BR><BR> |
| 468 | </P> |
| 469 | <OL START=2> |
| 470 | <LI><P STYLE="margin-top: 0.3cm; margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif"><I>When |
| 471 | trying to import a trace, I get an error message and I have one of |
| 472 | the following exception in the Eclipse Console : |
| 473 | <BR></I><FONT COLOR="#000080"><FONT FACE="Monospace"><FONT SIZE=2><I><U>org.eclipse.linuxtools.lttng.trace.LTTngTraceException</U></I></FONT></FONT></FONT><FONT COLOR="#ff0000"><FONT FACE="Monospace"><FONT SIZE=2><I>: |
| 474 | ERROR : Unrecognized/unsupported trace version.</I></FONT></FONT></FONT></FONT></P> |
| 475 | <P STYLE="margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif">OR</FONT></P> |
| 476 | <P STYLE="margin-bottom: 0.21cm"><FONT FACE="Monospace"><FONT SIZE=2><I><FONT COLOR="#000080"><U>org.eclipse.linuxtools.lttng.trace.LTTngTraceException</U></FONT><FONT COLOR="#ff0000">: |
| 477 | ERROR : Call to JniTraceVersion() failed.</FONT></I></FONT></FONT></P> |
| 478 | <P STYLE="margin-top: 0.2cm; margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif">In |
| 479 | that case, either your LTTv version is very old and does not |
| 480 | recognize your trace version or you are using a very new trace |
| 481 | version that is not yet supported. You probably want to check if |
| 482 | there is a newer version of LTTv that you could use. Please refer to |
| 483 | the section <I>"1) – Download” for the correct links.</I></FONT></P> |
| 484 | </OL> |
| 485 | <P STYLE="margin-bottom: 0.21cm"><BR><BR> |
| 486 | </P> |
| 487 | <OL START=3> |
| 488 | <LI><P STYLE="margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif"><I>When |
| 489 | trying to start LTTng in Eclipse, I end up with the following |
| 490 | exception :<BR></I><FONT COLOR="#ff0000"><FONT FACE="Monospace"><FONT SIZE=2><I>Exception |
| 491 | in thread "main" java.lang.UnsatisfiedLinkError: no |
| 492 | lttvtraceread in java.library.path</I></FONT></FONT></FONT></FONT></P> |
| 493 | <P STYLE="margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif">This |
| 494 | basically mean that Java can not find the C library you just |
| 495 | compile. To find any C library, java would normally need to be |
| 496 | passed a flag like “-Djava.library.path=/somewhere/lib” but |
| 497 | there seems to be a bug in Eclipse about it, as defined here : |
| 498 | <A HREF="https://bugs.eclipse.org/bugs/show_bug.cgi?id=290068">https://bugs.eclipse.org/bugs/show_bug.cgi?id=290068</A></FONT></P> |
| 499 | <P STYLE="margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif">Therefore, |
| 500 | the workaround is to make sure to pass a correct LD_LIBRARY_PATH to |
| 501 | Eclipse (see section above about “<I>Set library path</I>”). The |
| 502 | best way to make sure the flag is corerctly passed is to add it in |
| 503 | front of the command that is called to start Eclipse, on the command |
| 504 | line or in the desktop shortcut itself. </FONT> |
| 505 | </P> |
| 506 | <P STYLE="margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif">As |
| 507 | example, here is the shortcut I use to call Eclipse :</FONT></P> |
| 508 | <P STYLE="margin-bottom: 0.3cm"><FONT FACE="Arial, sans-serif"><FONT SIZE=2><I>export |
| 509 | LD_LIBRARY_PATH="/usr/local/lib"; |
| 510 | /usr/local/eclipse/eclipse</I></FONT></FONT></P> |
| 511 | </OL> |
| 512 | <P STYLE="margin-bottom: 0.3cm"><BR><BR> |
| 513 | </P> |
| 514 | <OL START=4> |
| 515 | <LI><P STYLE="margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif">I |
| 516 | did what you said in 1) but I'm still getting the same error |
| 517 | <I>:<BR></I><FONT COLOR="#ff0000"><FONT FACE="Monospace"><FONT SIZE=2><I>Exception |
| 518 | in thread "main" java.lang.UnsatisfiedLinkError: no |
| 519 | lttvtraceread in java.library.path</I></FONT></FONT></FONT></FONT></P> |
| 520 | <P STYLE="margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif">If |
| 521 | your LD_LIBRARY_PATH is correct, then the only reason why you might |
| 522 | get this error is that you did not compile the JNI interface inside |
| 523 | LTTv. <BR>Go back to “<I>Installation steps</I>” and make sure |
| 524 | you used the development version of LTTv and that you compiled it |
| 525 | with the --<I>with-jni-interface</I> <SPAN STYLE="font-style: normal">flag</SPAN>.</FONT></P> |
| 526 | </OL> |
| 527 | <P STYLE="margin-bottom: 0.21cm"><BR><BR> |
| 528 | </P> |
| 529 | <OL START=5> |
| 530 | <LI><P STYLE="margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif">When |
| 531 | I run LTTng in Eclipse, at some point, I am getting an error like |
| 532 | this :</FONT></P> |
| 533 | <P STYLE="margin-bottom: 0cm"><FONT COLOR="#ff0000"><FONT FACE="Monospace"><FONT SIZE=2><I>Exception |
| 534 | in thread "main" java.lang.Error: Unresolved compilation |
| 535 | problem: </I></FONT></FONT></FONT> |
| 536 | </P> |
| 537 | </OL> |
| 538 | <P ALIGN=LEFT STYLE="margin-left: 1.3cm; margin-bottom: 0cm"><FONT COLOR="#ff0000"><FONT FACE="Monospace"><FONT SIZE=2><I>The |
| 539 | method ltt_someFunction() is undefined for the type JniXYZ</I></FONT></FONT></FONT></P> |
| 540 | <OL START=6> |
| 541 | <P STYLE="margin-bottom: 0.21cm"><FONT FACE="Nimbus Roman No9 L, serif">This |
| 542 | may happen if the LTTv version you are using is not recent enought. |
| 543 | Make sure you are using the latest development version, recompile |
| 544 | the latest one if needed. If this doesn't work, make sure you use |
| 545 | the “Beta” JNI Build, as described in “<I>Download</I>” |
| 546 | section. If nothing work, please submit a bug report. </FONT> |
| 547 | </P> |
| 548 | </OL> |
| 549 | <P STYLE="margin-bottom: 0.21cm"><BR><BR> |
| 550 | </P> |
| 551 | </BODY> |
| 552 | </HTML> |