<div class="__aliyun_email_body_block"><div style="font-family:Tahoma,Arial,STHeiti,SimSun;font-size:14px;color:#000000;"><br></div><div style="font-family:Tahoma,Arial,STHeiti,SimSun;font-size:14px;color:#000000;">Hi,Team</div><div style="font-family:Tahoma,Arial,STHeiti,SimSun;font-size:14px;color:#000000;"><br></div><div style="font-family:Tahoma,Arial,STHeiti,SimSun;font-size:14px;color:#000000;">   You may not feel how painful I am with a too old GLIBC which does NOT support vdso clock_gettime. Especially in ust case, trace_clock_read will call clock_gettime to record the time of every event. </div><div style="font-family:Tahoma,Arial,STHeiti,SimSun;font-size:14px;color:#000000;">Does anyone know how to avoid system_call clock_gettime with this old GLIBC??</div><div style="font-family:Tahoma,Arial,STHeiti,SimSun;font-size:14px;color:#000000;"><br data-mce-bogus="1"></div><div style="font-family:Tahoma,Arial,STHeiti,SimSun;font-size:14px;color:#000000;">Thanks in advance</div><div style="font-family:Tahoma,Arial,STHeiti,SimSun;font-size:14px;color:#000000;">zhenyu.ren</div><div class="__aliyun_signature_wrap"></div><div style="font-family:Tahoma,Arial,STHeiti,SimSun;font-size:14px;color:#000000;"><br></div></div>