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| <a name="Tracepoint-Passcounts-1"></a> |
| <h4 class="subsection">13.1.3 Tracepoint Passcounts</h4> |
| |
| <dl compact="compact"> |
| <dd><a name="index-passcount"></a> |
| <a name="index-tracepoint-pass-count"></a> |
| </dd> |
| <dt><code>passcount <span class="roman">[</span><var>n</var> <span class="roman">[</span><var>num</var><span class="roman">]]</span></code></dt> |
| <dd><p>Set the <em>passcount</em> of a tracepoint. The passcount is a way to |
| automatically stop a trace experiment. If a tracepoint’s passcount is |
| <var>n</var>, then the trace experiment will be automatically stopped on |
| the <var>n</var>’th time that tracepoint is hit. If the tracepoint number |
| <var>num</var> is not specified, the <code>passcount</code> command sets the |
| passcount of the most recently defined tracepoint. If no passcount is |
| given, the trace experiment will run until stopped explicitly by the |
| user. |
| </p> |
| <p>Examples: |
| </p> |
| <div class="smallexample"> |
| <pre class="smallexample">(gdb) <b>passcount 5 2</b> // Stop on the 5th execution of |
| </pre><pre class="smallexample"> <code>// tracepoint 2</code> |
| </pre><pre class="smallexample"> |
| (gdb) <b>passcount 12</b> // Stop on the 12th execution of the |
| </pre><pre class="smallexample"> <code>// most recently defined tracepoint.</code> |
| </pre><pre class="smallexample">(gdb) <b>trace foo</b> |
| (gdb) <b>pass 3</b> |
| (gdb) <b>trace bar</b> |
| (gdb) <b>pass 2</b> |
| (gdb) <b>trace baz</b> |
| (gdb) <b>pass 1</b> // Stop tracing when foo has been |
| </pre><pre class="smallexample"> <code>// executed 3 times OR when bar has</code> |
| </pre><pre class="smallexample"> <code>// been executed 2 times</code> |
| </pre><pre class="smallexample"> <code>// OR when baz has been executed 1 time.</code> |
| </pre></div> |
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