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<title>linux-toradex.git/tools/perf/tests/shell/inject-callchain.sh, branch master</title>
<subtitle>Linux kernel for Apalis and Colibri modules</subtitle>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/'/>
<entry>
<title>perf test: Add DWARF callchain conversion test</title>
<updated>2026-01-20T20:18:24+00:00</updated>
<author>
<name>Namhyung Kim</name>
<email>namhyung@kernel.org</email>
</author>
<published>2026-01-13T23:29:03+00:00</published>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/commit/?id=b42c4dfe02af407d04375f070f56a818ed4c92ce'/>
<id>b42c4dfe02af407d04375f070f56a818ed4c92ce</id>
<content type='text'>
  $ perf test -vv "DWARF callchain"
   87: perf inject to convert DWARF callchains to regular ones:
  --- start ---
  test child forked, pid 1560328
  recording data with DWARF callchain
  [ perf record: Woken up 4 times to write data ]
  [ perf record: Captured and wrote 0.908 MB /tmp/perf-test.nM3WoW (105 samples) ]
  convert DWARF callchain using perf inject
  compare the both result excluding inlined functions
  ---- end(0) ----
   87: perf inject to convert DWARF callchains to regular ones         : Ok
  $

Reviewed-by: Ian Rogers &lt;irogers@google.com&gt;
Signed-off-by: Namhyung Kim &lt;namhyung@kernel.org&gt;
Tested-by: Arnaldo Carvalho de Melo &lt;acme@redhat.com&gt;
Cc: Adrian Hunter &lt;adrian.hunter@intel.com&gt;
Cc: Ingo Molnar &lt;mingo@kernel.org&gt;
Cc: James Clark &lt;james.clark@linaro.org&gt;
Cc: Jiri Olsa &lt;jolsa@kernel.org&gt;
Cc: Peter Zijlstra &lt;peterz@infradead.org&gt;
Signed-off-by: Arnaldo Carvalho de Melo &lt;acme@redhat.com&gt;
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
  $ perf test -vv "DWARF callchain"
   87: perf inject to convert DWARF callchains to regular ones:
  --- start ---
  test child forked, pid 1560328
  recording data with DWARF callchain
  [ perf record: Woken up 4 times to write data ]
  [ perf record: Captured and wrote 0.908 MB /tmp/perf-test.nM3WoW (105 samples) ]
  convert DWARF callchain using perf inject
  compare the both result excluding inlined functions
  ---- end(0) ----
   87: perf inject to convert DWARF callchains to regular ones         : Ok
  $

Reviewed-by: Ian Rogers &lt;irogers@google.com&gt;
Signed-off-by: Namhyung Kim &lt;namhyung@kernel.org&gt;
Tested-by: Arnaldo Carvalho de Melo &lt;acme@redhat.com&gt;
Cc: Adrian Hunter &lt;adrian.hunter@intel.com&gt;
Cc: Ingo Molnar &lt;mingo@kernel.org&gt;
Cc: James Clark &lt;james.clark@linaro.org&gt;
Cc: Jiri Olsa &lt;jolsa@kernel.org&gt;
Cc: Peter Zijlstra &lt;peterz@infradead.org&gt;
Signed-off-by: Arnaldo Carvalho de Melo &lt;acme@redhat.com&gt;
</pre>
</div>
</content>
</entry>
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