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authorflu <flu>2015-08-25 20:05:55 +0000
committerflu <flu>2015-08-25 20:05:55 +0000
commitdce4141d8f21f5f8c813ddc13744ed1bc63ccc57 (patch)
tree30c7a1e64d91fa00035965dee461a6669a716a21 /tapsets/API-ucallers.html
parentadd new langref/*.html (diff)
removed man pages
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2 Return first n elements of user stack backtrace 2 Return first n elements of user stack backtrace
3 </p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><pre class="programlisting"> 3 </p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><pre class="programlisting">
4 ucallers:string(n:long) 4 ucallers:string(n:long)
5</pre></div><div class="refsect1"><a name="idm47620153077776"></a><h2>Arguments</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="parameter"><code>n</code></em></span></dt><dd><p> 5</pre></div><div class="refsect1"><a name="idm140292855535136"></a><h2>Arguments</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="parameter"><code>n</code></em></span></dt><dd><p>
6 number of levels to descend in the stack (not counting the top 6 number of levels to descend in the stack (not counting the top
7 level). If n is -1, print the entire stack. 7 level). If n is -1, print the entire stack.
8 </p></dd></dl></div></div><div class="refsect1"><a name="idm47620153074576"></a><h2>Description</h2><p> 8 </p></dd></dl></div></div><div class="refsect1"><a name="idm140292855531936"></a><h2>Description</h2><p>
9 This function returns a string of the first n hex 9 This function returns a string of the first n hex
10 addresses from the backtrace of the user stack. Output may be 10 addresses from the backtrace of the user stack. Output may be
11 truncated as per maximum string length (MAXSTRINGLEN). 11 truncated as per maximum string length (MAXSTRINGLEN).
12</p></div><div class="refsect1"><a name="idm47620153073232"></a><h2>Note</h2><p> 12</p></div><div class="refsect1"><a name="idm140292855530592"></a><h2>Note</h2><p>
13 To get (full) backtraces for user space applications and shared 13 To get (full) backtraces for user space applications and shared
14 shared libraries not mentioned in the current script run stap with 14 shared libraries not mentioned in the current script run stap with
15 -d /path/to/exe-or-so and/or add --ldd to load all needed unwind data. 15 -d /path/to/exe-or-so and/or add --ldd to load all needed unwind data.