<font size=2 face="sans-serif">Michael,</font><br><br><tt><font size=2 color=#2f2f2f>sending the info: kernel: 4.14.0-49.10.1.el7a.ppc64le</font></tt><br><br><tt><font size=2 color=#2f2f2f>The config file has </font></tt><br><tt><font size=2 color=#2f2f2f>CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y</font></tt><br><br><font size=2 face="sans-serif">but it does not appear in the list of
available tracers</font><br><font size=2 face="sans-serif"><br>Regards<br>-------------------------------------------------------------------------------------<br>George Chochia <br>Cluster Software Performance Analysis<br>Tel: (845) 433 3852, t/l 293 3852<br>E-mail: chochia@us.ibm.com<br></font><br><br><br><br><font size=1 color=#5f5f5f face="sans-serif">From:
</font><font size=1 face="sans-serif">Michael Ellerman <mpe@ellerman.id.au></font><br><font size=1 color=#5f5f5f face="sans-serif">To:
</font><font size=1 face="sans-serif">George Chochia <chochia@us.ibm.com>,
linuxppc-users@lists.ozlabs.org</font><br><font size=1 color=#5f5f5f face="sans-serif">Date:
</font><font size=1 face="sans-serif">07/18/2018 11:37 PM</font><br><font size=1 color=#5f5f5f face="sans-serif">Subject:
</font><font size=1 face="sans-serif">Re: [Linuxppc-users]
function_graph feature or its alternatives</font><br><hr noshade><br><br><br><tt><font size=2>"George Chochia" <chochia@us.ibm.com>
writes:<br><br>> Hello,<br>><br>> The CONFIG_FUNCTION_GRAPH_TRACER option is not enabled in the 4.14.0
<br>> ppc64le kernel configuration file. <br>> Because of that the function_graph tracer is not available for performance
<br>> analysis on customer systems.<br><br>As far as I can see, it is:<br><br> [I] home:stable(4)(I)> l1<br> commit bebc6082da0a9f5d47a1ea2edc099bf671058bd4 (HEAD, tag: v4.14)<br> Author: Linus Torvalds <torvalds@linux-foundation.org><br> Date: Sun Nov 12 10:46:13 2017 -0800<br> <br> Linux 4.14<br> [N] home:stable(4)(N)> grep FUNCTION_GRAPH arch/powerpc/configs/*<br> arch/powerpc/configs/powernv_defconfig:CONFIG_FUNCTION_GRAPH_TRACER=y<br> arch/powerpc/configs/ppc64_defconfig:CONFIG_FUNCTION_GRAPH_TRACER=y<br> arch/powerpc/configs/pseries_defconfig:CONFIG_FUNCTION_GRAPH_TRACER=y<br><br><br>Can you give us more detail. What exact config are you talking about?<br>What exact version, it's not entirely clear what you mean by 4.14.0.<br><br>cheers<br><br></font></tt><br><br><BR>