help: update a few docs

help/C/profiling.page

@@ -39,29 +39,6 @@ results</link> for more guidance.</p>
 
   </section>
 
-  <section id="existing-process-profiling">
-    <info>
-      <link type="guide" xref="index#profiling"/>
-    </info>
-    <title>Profile an existing process</title>
-    <p>With <app>Sysprof</app>, you can profile one or more existing
-processes on your system. First, select the <em>profiling target</em>
-button next to the <em>Record</em> button. Select <em>Existing Process</em>
-in the popover that is displayed. Next, select as many processes as you'd
-like to profile. Processes selected for profiling will have a checkmark
-next to their name.</p>
-
-    <p>After selecting your target processes, click the <em>Record</em>
-button to start profiling.</p>
-
-    <p>When you have completed, click the <em>Record</em> button again
-to stop profiling.</p>
-
-    <p>See <link href="profiling#interpreting-results">interpreting
-results</link> for more guidance.</p>
-
-  </section>
-
   <section id="new-process-profiling">
     <info>
       <link type="guide" xref="index#profiling"/>
@@ -69,9 +46,10 @@ results</link> for more guidance.</p>
     <title>Profile a new process</title>
 
     <p>Often times, you may need to spawn a new process to profile.
-First, select the <em>profiling target</em> button next to the
+First, select the <em>Application</em> button next at the top of the
-<em>Record</em> button. Next, select <em>New Process</em> and fill
+reocrding window. Fill in your command and working directory, and optionally
-out the necessary information to spawn the process.</p>
+specify any environment variables you need. Your process will be started
+when recording begins.</p>
 
     <note>
       <p>If you are spawning a process that requires access to your current
@@ -92,10 +70,7 @@ command line tool. When run without any arguments, it will record your entire
 system and save the output to <file>capture.syscap</file>. This file can be
 opened with the <app>Sysprof</app> application to view the callgraph.</p>
 
-    <p>You can also attach to an existing process using
+    <p>If you would like to spawn a new process, use <cmd>sysprof-cli --
-<cmd>sysprof-cli -p pid</cmd>.</p>
-
-    <p>If you would like to spawn a new process, use <cmd>sysprof-cli -c
 'command'</cmd> to specify a command to be launched. The command will inherit
 the current environment.</p>
 
@@ -126,11 +101,8 @@ stacktrace.</p>
     <p>On the right, are all of the decendants of a selected function. You can
 select a function either from the functions list, or the callers list.</p>
 
-    <p>You can jump into a function by activating a row in the tree of descendants
-with a double-click or by pressing <key>Enter</key> or <key>Spacebar</key>.</p>
-
     <note>
-      <p>If you see <em>- - kernel - -</em> in your results, that means that the
+      <p>If you see <em>- - Context Switch - -</em> in your results, that means that the
 application transitioned into or from the Linux kernel. There can be many reasons
 for this such as a <em>syscall</em> or <em>signal</em>.</p>
     </note>