From mboxrd@z Thu Jan 1 00:00:00 1970 From: "zhenyu.ren" Subject: =?utf-8?q?clock=5Fgettime_vdso_issue?= Date: Thu, 26 Mar 2015 15:25:49 +0800 Message-ID: Reply-To: "zhenyu.ren" Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============0271007183==" Return-path: Received: from smtpcm9-114.freemail.mail.aliyun.com ([115.124.18.14]) by ltt.polymtl.ca with esmtp (Exim 4.80) (envelope-from ) id 1Yb2Az-0002E9-38 for lttng-dev@lists.lttng.org; Thu, 26 Mar 2015 03:26:17 -0400 List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: lttng-dev-bounces@lists.lttng.org To: lttng-dev List-Id: lttng-dev@lists.lttng.org --===============0271007183== Content-Type: multipart/alternative; boundary="----=ALIBOUNDARY_8354_4a524940_5513b47d_14582" ------=ALIBOUNDARY_8354_4a524940_5513b47d_14582 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable =0AHi,Team=0A=C2=A0 =C2=A0You may not feel how painful I am with a too old GLI= BC which does NOT support vdso clock_gettime. Especially in ust case, trace_cl= ock_read will call clock_gettime to record the time of every event.=C2=A0Does = anyone know how to avoid system_call clock_gettime with this old GLIBC??Thanks= in advancezhenyu.ren=0A ------=ALIBOUNDARY_8354_4a524940_5513b47d_14582 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable

Hi,Team
=

   You may not feel how painful I am with a = too old GLIBC which does NOT support vdso clock_gettime. Especially in ust cas= e, trace_clock_read will call clock_gettime to record the time of every event.=  
Does anyone know how to avoid system_call clock_gettime wit= h this old GLIBC??

Thanks in= advance
zhenyu.ren

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