<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Hi Jon,<div><br></div><div><div><div>On Mar 18, 2013, at 5:53 PM, Jon Schneider wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div><blockquote type="cite">/opt/r16b/usr/lib/erlang/erts-5.10.1/bin/beam.valgrind.smp)<br></blockquote><blockquote type="cite">==59400== by 0x10000191F: main (in<br></blockquote><blockquote type="cite">/opt/r16b/usr/lib/erlang/erts-5.10.1/bin/beam.valgrind.smp)<br></blockquote><blockquote type="cite">==59400==<br></blockquote><blockquote type="cite">==59400== ERROR SUMMARY: 460 errors from 15 contexts (suppressed: 0 from<br></blockquote><blockquote type="cite">0)<br></blockquote><blockquote type="cite">How can I distinguish between these falsy reported numbers and the real<br></blockquote><blockquote type="cite">ones?<br></blockquote><br>Isn't the information you require in the return<br>address/function/executable reported even if this needs a little<br>post-processing ?<br></div></blockquote><div><br></div>Yet it is. But it's mixed with a lot of false positive (see crypto example).</div><div><div>And if I can avoid post-processing, that should be great.</div><div><br></div></div><div><blockquote type="cite"><div><blockquote type="cite">Finally, is there any other way than Valgrind?<br></blockquote><br>Yes by instrumenting your code.<br></div></blockquote><br></div><div>DTrace? SystemTap? How?</div><div>Can you elaborate with a concret example?</div><br><div>
<span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-size: medium; "><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-size: medium; "><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-size: medium; "><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div>Regards,</div><div>Zabrane</div><div><br></div></div></span></div></span></span><br class="Apple-interchange-newline">
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