<div dir="ltr"><img width="0" height="0" class="mailtrack-img" alt="" style="display:flex" src="https://mailtrack.io/trace/mail/f45f510eb18e00742c7cb04b23dbc2a5372ac4de.png?u=2189147"><div></div><span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration-style:initial;text-decoration-color:initial;background-color:rgb(255,255,255);float:none;display:inline"><font color="#000000">Hello,</font></span><div style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration-style:initial;text-decoration-color:initial;background-color:rgb(255,255,255)"><span style="font-family:arial,sans-serif;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline"><font color="#000000"><br></font></span></div><div style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration-style:initial;text-decoration-color:initial;background-color:rgb(255,255,255)"><font color="#000000"><span style="font-family:arial,sans-serif;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline">I am computer engineering student and I am actually working on my graduation project which is about<span> </span></span><span class="gmail-m_5367336902020713707gmail-m_567988643051350633gmail-m_-2504658086804125746m_-670507402164016222gmail-il" style="font-family:arial,sans-serif;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial">Qemu</span><span style="font-family:arial,sans-serif;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline"><span> </span>Trace. </span></font></div><div style="text-align:start;text-indent:0px;text-decoration-style:initial;text-decoration-color:initial;background-color:rgb(255,255,255)"><font color="#000000" style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-transform:none;white-space:normal;word-spacing:0px"><br></font><div style=""><span style="text-align:start;text-indent:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline"><font color="#000000" style=""><font color="#222222"><span style="font-size:12.8px">In this project, Qemu is </span></font><span style="font-size:12.8px">considered</span><font color="#222222"><span style="font-size:12.8px"> as a user-space instrumented application. I have used LTTng-Tools to control Qemu trace.</span></font></font></span></div><div style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-transform:none;white-space:normal;word-spacing:0px"><span style="font-size:12.8px;color:rgb(0,0,0);margin:0px;padding:0px;font-family:Cabin,sans-serif;background-color:rgb(247,247,247)"><span style="margin:0px;padding:0px"><br></span></span></div><div style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-transform:none;white-space:normal;word-spacing:0px"><span style="background-color:rgb(247,247,247);color:rgb(0,0,0);font-family:Cabin,sans-serif;font-size:12.8px">Now, </span><span style="color:rgb(0,0,0);font-size:12.8px">I aim to develop an application which is a front-end to LTTng. This application should be able to control the Qemu Trace (start, stop ..) and to visualize the traces.</span><br></div><div style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-transform:none;white-space:normal;word-spacing:0px"><span style="color:rgb(0,0,0);font-size:12.8px"><br></span></div><div style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-transform:none;white-space:normal;word-spacing:0px"><font color="#000000">My question is the following: Could my application communicate with LTTng through TCP protocol ?? If yes, could you give me some hints ?? </font></div><div style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-transform:none;white-space:normal;word-spacing:0px"><font color="#000000">I know that LTTng can control trace in a streaming mode using the TCP protocol, but this is not my use case.</font></div><div style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-transform:none;white-space:normal;word-spacing:0px"><div><font color="#000000"><br style="font-family:arial,sans-serif;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial"><span style="font-family:arial,sans-serif;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline">Best regards, </span></font></div></div></div><br><div class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div dir="ltr"><div dir="ltr" style="font-size:12.8px"><div dir="ltr"><span style="font-size:12.8px"><font color="#444444">-----------------------------------------------------------------------------------------</font></span></div><div dir="ltr"><font color="#444444" face="arial, helvetica, sans-serif" size="2"><br></font></div><div dir="ltr"><font color="#444444" face="arial, helvetica, sans-serif" size="2">Nesrine ZOUARI</font></div><div dir="ltr"><font color="#444444" face="arial, helvetica, sans-serif" size="2">Computer Engineering Student <br></font></div><div dir="ltr"><font color="#444444" face="arial, helvetica, sans-serif" size="2">Department of Computer Engineering and Applied Mathematics</font></div><div dir="ltr"><span style="color:rgb(68,68,68);font-family:arial,helvetica,sans-serif;font-size:small">National Engineering School of Sfax (ENIS)</span></div><div dir="ltr"><div dir="ltr" style="font-size:12.8px;margin:0px;padding:0px;border:0px"><font color="#444444"><font style="margin:0px;padding:0px;border:0px" face="arial, helvetica, sans-serif" size="2">University of Sfax-</font><span style="font-family:arial,helvetica,sans-serif;font-size:small">Tunisia<br></span></font></div><div style="font-size:12.8px;margin:0px;padding:0px;border:0px none"><font color="#444444"><span style="font-family:arial,helvetica,sans-serif;font-size:small">Tel: +216 52 620 475<br></span></font></div><div dir="ltr" style="font-size:12.8px;margin:0px;padding:0px;border:0px"><br></div></div></div></div></div></div></div></div></div></div>‌</div>