From mboxrd@z Thu Jan  1 00:00:00 1970
From: =?utf-8?q?Christophe_B=C3=A9dard_via_lttng-dev?=
 <lttng-dev@lists.lttng.org>
Subject: Re: get function names with lttng-ust-cyg-profile
Date: Fri, 26 Jun 2020 10:19:38 -0400
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Hi,

On Tue, 23 Jun 2020 at 21:45, Liu, Changcheng <changcheng.liu@intel.com>
wrote:

> Do you know how to print the call site function_name/offset?
> For example:
>             11     getchar();
>             12
>             13     x = add3(x);
> Currently, it only shows call_site address instead of function name with
> offset.
>
> func_entry: { cpu_id = 2 }, { ip = 0x55CFA4F5C1EE, debug_info = { bin =
> "instrument+0x11ee", func = "main+0", src = "instrument.c:7" }, vpid = 8523
> }, { addr = 0x55CFA4F5C1EE, call_site = 0x7F27C4B1E0B3 }
> func_entry: { cpu_id = 1 }, { ip = 0x55CFA4F5C1A9, debug_info = { bin =
> "instrument+0x11a9", func = "add3+0", src = "instrument.c:3" }, vpid = 8523
> }, { addr = 0x55CFA4F5C1A9, call_site = 0x55CFA4F5C237 }
> func_exit: { cpu_id = 1 }, { ip = 0x55CFA4F5C1A9, debug_info = { bin =
> "instrument+0x11a9", func = "add3+0", src = "instrument.c:3" }, vpid = 8523
> }, { addr = 0x55CFA4F5C1A9, call_site = 0x55CFA4F5C237 }
> func_exit: { cpu_id = 1 }, { ip = 0x55CFA4F5C1EE, debug_info = { bin =
> "instrument+0x11ee", func = "main+0", src = "instrument.c:7" }, vpid = 8523
> }, { addr = 0x55CFA4F5C1EE, call_site = 0x7F27C4B1E0B3 }
>

 Maybe I'm missing something, but isn't it right here? E.g.

debug_info = { bin = "instrument+0x11ee", func = "main+0", src =
> "instrument.c:7" }
>

Otherwise, I don't think babeltrace can provide any more information.


Christophe

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<div dir=3D"ltr"><div>Hi,</div><div><br></div><div class=3D"gmail_quote"><d=
iv dir=3D"ltr" class=3D"gmail_attr">On Tue, 23 Jun 2020 at 21:45, Liu, Chan=
gcheng &lt;<a href=3D"mailto:changcheng.liu@intel.com">changcheng.liu@intel=
.com</a>&gt; wrote:</div><blockquote class=3D"gmail_quote" style=3D"margin:=
0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
Do you know how to print the call site function_name/offset?<br>
For example:<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 11=C2=A0 =C2=A0 =C2=A0getchar();<=
br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 12<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 13=C2=A0 =C2=A0 =C2=A0x =3D add3(=
x);<br>
Currently, it only shows call_site address instead of function name with of=
fset.<br>
<br>
func_entry: { cpu_id =3D 2 }, { ip =3D 0x55CFA4F5C1EE, debug_info =3D { bin=
 =3D &quot;instrument+0x11ee&quot;, func =3D &quot;main+0&quot;, src =3D &q=
uot;instrument.c:7&quot; }, vpid =3D 8523 }, { addr =3D 0x55CFA4F5C1EE, cal=
l_site =3D 0x7F27C4B1E0B3 }<br>
func_entry: { cpu_id =3D 1 }, { ip =3D 0x55CFA4F5C1A9, debug_info =3D { bin=
 =3D &quot;instrument+0x11a9&quot;, func =3D &quot;add3+0&quot;, src =3D &q=
uot;instrument.c:3&quot; }, vpid =3D 8523 }, { addr =3D 0x55CFA4F5C1A9, cal=
l_site =3D 0x55CFA4F5C237 }<br>
func_exit: { cpu_id =3D 1 }, { ip =3D 0x55CFA4F5C1A9, debug_info =3D { bin =
=3D &quot;instrument+0x11a9&quot;, func =3D &quot;add3+0&quot;, src =3D &qu=
ot;instrument.c:3&quot; }, vpid =3D 8523 }, { addr =3D 0x55CFA4F5C1A9, call=
_site =3D 0x55CFA4F5C237 }<br>
func_exit: { cpu_id =3D 1 }, { ip =3D 0x55CFA4F5C1EE, debug_info =3D { bin =
=3D &quot;instrument+0x11ee&quot;, func =3D &quot;main+0&quot;, src =3D &qu=
ot;instrument.c:7&quot; }, vpid =3D 8523 }, { addr =3D 0x55CFA4F5C1EE, call=
_site =3D 0x7F27C4B1E0B3 }<br></blockquote><div><br></div><div>=C2=A0Maybe =
I&#39;m missing something, but isn&#39;t it right here? E.g.</div><div><br>=
</div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;b=
order-left:1px solid rgb(204,204,204);padding-left:1ex">debug_info =3D { bi=
n =3D &quot;instrument+0x11ee&quot;, func =3D &quot;main+0&quot;, src =3D &=
quot;instrument.c:7&quot; }<br></blockquote><div><br></div><div>Otherwise, =
I don&#39;t think babeltrace can provide any more information.</div><div><b=
r></div><div><br></div><div>Christophe</div><div><br></div></div></div>

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Date: Fri, 26 Jun 2020 10:19:38 -0400
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To: "Liu, Changcheng" <changcheng.liu@intel.com>
Subject: Re: [lttng-dev] get function names with lttng-ust-cyg-profile
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Hi,

On Tue, 23 Jun 2020 at 21:45, Liu, Changcheng <changcheng.liu@intel.com>
wrote:

> Do you know how to print the call site function_name/offset?
> For example:
>             11     getchar();
>             12
>             13     x = add3(x);
> Currently, it only shows call_site address instead of function name with
> offset.
>
> func_entry: { cpu_id = 2 }, { ip = 0x55CFA4F5C1EE, debug_info = { bin =
> "instrument+0x11ee", func = "main+0", src = "instrument.c:7" }, vpid = 8523
> }, { addr = 0x55CFA4F5C1EE, call_site = 0x7F27C4B1E0B3 }
> func_entry: { cpu_id = 1 }, { ip = 0x55CFA4F5C1A9, debug_info = { bin =
> "instrument+0x11a9", func = "add3+0", src = "instrument.c:3" }, vpid = 8523
> }, { addr = 0x55CFA4F5C1A9, call_site = 0x55CFA4F5C237 }
> func_exit: { cpu_id = 1 }, { ip = 0x55CFA4F5C1A9, debug_info = { bin =
> "instrument+0x11a9", func = "add3+0", src = "instrument.c:3" }, vpid = 8523
> }, { addr = 0x55CFA4F5C1A9, call_site = 0x55CFA4F5C237 }
> func_exit: { cpu_id = 1 }, { ip = 0x55CFA4F5C1EE, debug_info = { bin =
> "instrument+0x11ee", func = "main+0", src = "instrument.c:7" }, vpid = 8523
> }, { addr = 0x55CFA4F5C1EE, call_site = 0x7F27C4B1E0B3 }
>

 Maybe I'm missing something, but isn't it right here? E.g.

debug_info = { bin = "instrument+0x11ee", func = "main+0", src =
> "instrument.c:7" }
>

Otherwise, I don't think babeltrace can provide any more information.


Christophe

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<div dir=3D"ltr"><div>Hi,</div><div><br></div><div class=3D"gmail_quote"><d=
iv dir=3D"ltr" class=3D"gmail_attr">On Tue, 23 Jun 2020 at 21:45, Liu, Chan=
gcheng &lt;<a href=3D"mailto:changcheng.liu@intel.com">changcheng.liu@intel=
.com</a>&gt; wrote:</div><blockquote class=3D"gmail_quote" style=3D"margin:=
0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
Do you know how to print the call site function_name/offset?<br>
For example:<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 11=C2=A0 =C2=A0 =C2=A0getchar();<=
br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 12<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 13=C2=A0 =C2=A0 =C2=A0x =3D add3(=
x);<br>
Currently, it only shows call_site address instead of function name with of=
fset.<br>
<br>
func_entry: { cpu_id =3D 2 }, { ip =3D 0x55CFA4F5C1EE, debug_info =3D { bin=
 =3D &quot;instrument+0x11ee&quot;, func =3D &quot;main+0&quot;, src =3D &q=
uot;instrument.c:7&quot; }, vpid =3D 8523 }, { addr =3D 0x55CFA4F5C1EE, cal=
l_site =3D 0x7F27C4B1E0B3 }<br>
func_entry: { cpu_id =3D 1 }, { ip =3D 0x55CFA4F5C1A9, debug_info =3D { bin=
 =3D &quot;instrument+0x11a9&quot;, func =3D &quot;add3+0&quot;, src =3D &q=
uot;instrument.c:3&quot; }, vpid =3D 8523 }, { addr =3D 0x55CFA4F5C1A9, cal=
l_site =3D 0x55CFA4F5C237 }<br>
func_exit: { cpu_id =3D 1 }, { ip =3D 0x55CFA4F5C1A9, debug_info =3D { bin =
=3D &quot;instrument+0x11a9&quot;, func =3D &quot;add3+0&quot;, src =3D &qu=
ot;instrument.c:3&quot; }, vpid =3D 8523 }, { addr =3D 0x55CFA4F5C1A9, call=
_site =3D 0x55CFA4F5C237 }<br>
func_exit: { cpu_id =3D 1 }, { ip =3D 0x55CFA4F5C1EE, debug_info =3D { bin =
=3D &quot;instrument+0x11ee&quot;, func =3D &quot;main+0&quot;, src =3D &qu=
ot;instrument.c:7&quot; }, vpid =3D 8523 }, { addr =3D 0x55CFA4F5C1EE, call=
_site =3D 0x7F27C4B1E0B3 }<br></blockquote><div><br></div><div>=C2=A0Maybe =
I&#39;m missing something, but isn&#39;t it right here? E.g.</div><div><br>=
</div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;b=
order-left:1px solid rgb(204,204,204);padding-left:1ex">debug_info =3D { bi=
n =3D &quot;instrument+0x11ee&quot;, func =3D &quot;main+0&quot;, src =3D &=
quot;instrument.c:7&quot; }<br></blockquote><div><br></div><div>Otherwise, =
I don&#39;t think babeltrace can provide any more information.</div><div><b=
r></div><div><br></div><div>Christophe</div><div><br></div></div></div>

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