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The stack tracer enables the function tracer and at each function call within the kernel, the stack is checked. When a new maximum usage stack is discovered, it is recorded.</p></div> <div class="paragraph"><p>When no option is used, the current stack is displayed.</p></div> <div class="paragraph"><p>To enable the stack tracer, use the option <strong>--start</strong>, and to disable the stack tracer, use the option <strong>--stop</strong>. The output will be the maximum stack found since the start was enabled.</p></div> <div class="paragraph"><p>Use <strong>--reset</strong> to reset the stack counter to zero.</p></div> <div class="paragraph"><p>User <strong>--verbose</strong>[=<em>level</em>] to set the log level. Supported log levels are "none", "critical", "error", "warning", "info", "debug", "all" or their identifiers "0", "1", "2", "3", "4", "5", "6". Setting the log level to specific value enables all logs from that and all previous levels. The level will default to "info" if one is not specified.</p></div> </div> </div> <div class="sect1"> <h2 id="_see_also">SEE ALSO</h2> <div class="sectionbody"> <div class="paragraph"><p>trace-cmd(1), trace-cmd-record(1), trace-cmd-report(1), trace-cmd-start(1), trace-cmd-extract(1), trace-cmd-reset(1), trace-cmd-split(1), trace-cmd-list(1), trace-cmd-listen(1)</p></div> </div> </div> <div class="sect1"> <h2 id="_author">AUTHOR</h2> <div class="sectionbody"> <div class="paragraph"><p>Written by Steven Rostedt, <<a href="mailto:rostedt@goodmis.org">rostedt@goodmis.org</a>></p></div> </div> </div> <div class="sect1"> <h2 id="_resources">RESOURCES</h2> <div class="sectionbody"> <div class="paragraph"><p><a href="https://git.kernel.org/pub/scm/utils/trace-cmd/trace-cmd.git/">https://git.kernel.org/pub/scm/utils/trace-cmd/trace-cmd.git/</a></p></div> </div> </div> <div class="sect1"> <h2 id="_copying">COPYING</h2> <div class="sectionbody"> <div class="paragraph"><p>Copyright (C) 2010 Red Hat, Inc. Free use of this software is granted under the terms of the GNU Public License (GPL).</p></div> </div> </div> </div> <div id="footnotes"><hr /></div> <div id="footer"> <div id="footer-text"> Last updated 2023-06-07 20:21:00 UTC </div> </div> </body> </html>