procps.xml 9.8 KB

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  1. <?xml version="1.0" encoding="ISO-8859-1"?>
  2. <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
  3. "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
  4. <!ENTITY % general-entities SYSTEM "../general.ent">
  5. %general-entities;
  6. ]>
  7. <sect1 id="ch-system-procps" role="wrap">
  8. <?dbhtml filename="procps-ng.html"?>
  9. <sect1info condition="script">
  10. <productname>procps-ng</productname>
  11. <productnumber>&procps-ng-version;</productnumber>
  12. <address>&procps-ng-url;</address>
  13. </sect1info>
  14. <title>Procps-ng-&procps-ng-version;</title>
  15. <indexterm zone="ch-system-procps">
  16. <primary sortas="a-Procps">Procps-ng</primary>
  17. </indexterm>
  18. <sect2 role="package">
  19. <title/>
  20. <para>The Procps-ng package contains programs for monitoring processes.</para>
  21. <segmentedlist>
  22. <segtitle>&buildtime;</segtitle>
  23. <segtitle>&diskspace;</segtitle>
  24. <seglistitem>
  25. <seg>&procps-ng-ch6-sbu;</seg>
  26. <seg>&procps-ng-ch6-du;</seg>
  27. </seglistitem>
  28. </segmentedlist>
  29. </sect2>
  30. <sect2 role="installation">
  31. <title>Installation of Procps-ng</title>
  32. <para>Now prepare procps-ng for compilation:</para>
  33. <screen revision="sysv"><userinput remap="configure">./configure --prefix=/usr \
  34. --exec-prefix= \
  35. --libdir=/usr/lib \
  36. --docdir=/usr/share/doc/procps-ng-&procps-ng-version; \
  37. --disable-static \
  38. --disable-kill</userinput></screen>
  39. <screen revision="systemd"><userinput remap="configure">./configure --prefix=/usr \
  40. --exec-prefix= \
  41. --libdir=/usr/lib \
  42. --docdir=/usr/share/doc/procps-ng-&procps-ng-version; \
  43. --disable-static \
  44. --disable-kill \
  45. --with-systemd</userinput></screen>
  46. <variablelist>
  47. <title>The meaning of the configure options:</title>
  48. <varlistentry>
  49. <term><parameter>--disable-kill</parameter></term>
  50. <listitem>
  51. <para>This switch disables building the <command>kill</command>
  52. command that will be installed by the Util-linux package.</para>
  53. </listitem>
  54. </varlistentry>
  55. </variablelist>
  56. <para>Compile the package:</para>
  57. <screen><userinput remap="make">make</userinput></screen>
  58. <para>The test suite needs some custom modifications for LFS.
  59. Remove the test that fails when scripting does not use a tty device.
  60. To run the test suite, run the following commands:</para>
  61. <screen><userinput remap="test">sed -i -r 's|(pmap_initname)\\\$|\1|' testsuite/pmap.test/pmap.exp
  62. make check</userinput></screen>
  63. <para>One ps test may fail, but passes if the tests are rerun at
  64. the end of Chapter 6.</para>
  65. <para>Install the package:</para>
  66. <screen><userinput remap="install">make install</userinput></screen>
  67. <para>Finally, move essential libraries to a location that can be found if
  68. <filename class="directory">/usr</filename> is not mounted.</para>
  69. <screen><userinput remap="install">mv -v /usr/lib/libprocps.so.* /lib
  70. ln -sfv ../../lib/$(readlink /usr/lib/libprocps.so) /usr/lib/libprocps.so</userinput></screen>
  71. </sect2>
  72. <sect2 id="contents-procps" role="content">
  73. <title>Contents of Procps-ng</title>
  74. <segmentedlist>
  75. <segtitle>Installed programs</segtitle>
  76. <segtitle>Installed library</segtitle>
  77. <segtitle>Installed directories</segtitle>
  78. <seglistitem>
  79. <seg>free, pgrep, pidof, pkill, pmap, ps, pwdx, slabtop,
  80. sysctl, tload, top, uptime, vmstat, w, and watch</seg>
  81. <seg>libprocps.so</seg>
  82. <seg>/usr/include/proc and /usr/share/doc/procps-ng-&procps-ng-version;</seg>
  83. </seglistitem>
  84. </segmentedlist>
  85. <variablelist>
  86. <bridgehead renderas="sect3">Short Descriptions</bridgehead>
  87. <?dbfo list-presentation="list"?>
  88. <?dbhtml list-presentation="table"?>
  89. <varlistentry id="free">
  90. <term><command>free</command></term>
  91. <listitem>
  92. <para>Reports the amount of free and used memory (both physical and
  93. swap memory) in the system</para>
  94. <indexterm zone="ch-system-procps free">
  95. <primary sortas="b-free">free</primary>
  96. </indexterm>
  97. </listitem>
  98. </varlistentry>
  99. <varlistentry id="pgrep">
  100. <term><command>pgrep</command></term>
  101. <listitem>
  102. <para>Looks up processes based on their name and other attributes</para>
  103. <indexterm zone="ch-system-procps pgrep">
  104. <primary sortas="b-pgrep">pgrep</primary>
  105. </indexterm>
  106. </listitem>
  107. </varlistentry>
  108. <varlistentry id="pidof">
  109. <term><command>pidof</command></term>
  110. <listitem>
  111. <para>Reports the PIDs of the given programs</para>
  112. <indexterm zone="ch-system-procps pidof">
  113. <primary sortas="b-pidof">pidof</primary>
  114. </indexterm>
  115. </listitem>
  116. </varlistentry>
  117. <varlistentry id="pkill">
  118. <term><command>pkill</command></term>
  119. <listitem>
  120. <para>Signals processes based on their name and other attributes</para>
  121. <indexterm zone="ch-system-procps pkill">
  122. <primary sortas="b-pkill">pkill</primary>
  123. </indexterm>
  124. </listitem>
  125. </varlistentry>
  126. <varlistentry id="pmap">
  127. <term><command>pmap</command></term>
  128. <listitem>
  129. <para>Reports the memory map of the given process</para>
  130. <indexterm zone="ch-system-procps pmap">
  131. <primary sortas="b-pmap">pmap</primary>
  132. </indexterm>
  133. </listitem>
  134. </varlistentry>
  135. <varlistentry id="ps">
  136. <term><command>ps</command></term>
  137. <listitem>
  138. <para>Lists the current running processes</para>
  139. <indexterm zone="ch-system-procps ps">
  140. <primary sortas="b-ps">ps</primary>
  141. </indexterm>
  142. </listitem>
  143. </varlistentry>
  144. <varlistentry id="pwdx">
  145. <term><command>pwdx</command></term>
  146. <listitem>
  147. <para>Reports the current working directory of a process</para>
  148. <indexterm zone="ch-system-procps pwdx">
  149. <primary sortas="b-pwdx">pwdx</primary>
  150. </indexterm>
  151. </listitem>
  152. </varlistentry>
  153. <varlistentry id="slabtop">
  154. <term><command>slabtop</command></term>
  155. <listitem>
  156. <para>Displays detailed kernel slap cache information in real time</para>
  157. <indexterm zone="ch-system-procps slabtop">
  158. <primary sortas="b-slabtop">slabtop</primary>
  159. </indexterm>
  160. </listitem>
  161. </varlistentry>
  162. <varlistentry id="sysctl">
  163. <term><command>sysctl</command></term>
  164. <listitem>
  165. <para>Modifies kernel parameters at run time</para>
  166. <indexterm zone="ch-system-procps sysctl">
  167. <primary sortas="b-sysctl">sysctl</primary>
  168. </indexterm>
  169. </listitem>
  170. </varlistentry>
  171. <varlistentry id="tload">
  172. <term><command>tload</command></term>
  173. <listitem>
  174. <para>Prints a graph of the current system load average</para>
  175. <indexterm zone="ch-system-procps tload">
  176. <primary sortas="b-tload">tload</primary>
  177. </indexterm>
  178. </listitem>
  179. </varlistentry>
  180. <varlistentry id="top">
  181. <term><command>top</command></term>
  182. <listitem>
  183. <para>Displays a list of the most CPU intensive processes; it
  184. provides an ongoing look at processor activity in real time</para>
  185. <indexterm zone="ch-system-procps top">
  186. <primary sortas="b-top">top</primary>
  187. </indexterm>
  188. </listitem>
  189. </varlistentry>
  190. <varlistentry id="uptime">
  191. <term><command>uptime</command></term>
  192. <listitem>
  193. <para>Reports how long the system has been running, how many users are
  194. logged on, and the system load averages</para>
  195. <indexterm zone="ch-system-procps uptime">
  196. <primary sortas="b-uptime">uptime</primary>
  197. </indexterm>
  198. </listitem>
  199. </varlistentry>
  200. <varlistentry id="vmstat">
  201. <term><command>vmstat</command></term>
  202. <listitem>
  203. <para>Reports virtual memory statistics, giving information about
  204. processes, memory, paging, block Input/Output (IO), traps, and CPU
  205. activity</para>
  206. <indexterm zone="ch-system-procps vmstat">
  207. <primary sortas="b-vmstat">vmstat</primary>
  208. </indexterm>
  209. </listitem>
  210. </varlistentry>
  211. <varlistentry id="w">
  212. <term><command>w</command></term>
  213. <listitem>
  214. <para>Shows which users are currently logged on, where, and since
  215. when</para>
  216. <indexterm zone="ch-system-procps w">
  217. <primary sortas="b-w">w</primary>
  218. </indexterm>
  219. </listitem>
  220. </varlistentry>
  221. <varlistentry id="watch">
  222. <term><command>watch</command></term>
  223. <listitem>
  224. <para>Runs a given command repeatedly, displaying the first
  225. screen-full of its output; this allows a user to watch the output
  226. change over time</para>
  227. <indexterm zone="ch-system-procps watch">
  228. <primary sortas="b-watch">watch</primary>
  229. </indexterm>
  230. </listitem>
  231. </varlistentry>
  232. <varlistentry id="libprocps">
  233. <term><filename class="libraryfile">libprocps</filename></term>
  234. <listitem>
  235. <para>Contains the functions used by most programs in this
  236. package</para>
  237. <indexterm zone="ch-system-procps libprocps">
  238. <primary sortas="c-libprocps">libprocps</primary>
  239. </indexterm>
  240. </listitem>
  241. </varlistentry>
  242. </variablelist>
  243. </sect2>
  244. </sect1>