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Hi Kurt,</div>
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In this case, "strace" should be your command, and "<my_executable>" should be the first in
<code>argv</code>.</div>
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-- <br>
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Hui<br>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> Mccall, Kurt E. (MSFC-EV41) via discuss <discuss@mpich.org><br>
<b>Sent:</b> Tuesday, January 18, 2022 11:28 AM<br>
<b>To:</b> discuss@mpich.org <discuss@mpich.org><br>
<b>Cc:</b> Mccall, Kurt E. (MSFC-EV41) <kurt.e.mccall@nasa.gov><br>
<b>Subject:</b> [mpich-discuss] MPI_Comm_spawn and strace</font>
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<p class="x_MsoNormal">Hi, I need to run each of my processes created using MPI_Comm_spawn under strace, so that I can see all system calls that they make.</p>
<p class="x_MsoNormal">Is this possible? I’ve made a few naïve attempts, like passing “strace <my_executable>” to MPI_Comm_spawn, but those attempts didn’t work.</p>
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<p class="x_MsoNormal">Thanks,</p>
<p class="x_MsoNormal">Kurt</p>
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