Ashutosh Kumar
2005-Dec-16 10:25 UTC
[dtrace-discuss] dynamic variable drops / aggregation drops messages.
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <meta content="text/html;charset=ISO-8859-1" http-equiv="Content-Type"> <title></title> </head> <body bgcolor="#ffffff" text="#000000"> <font size="+1">Hi, <br> <br> While running dtrace scripts, in some cases I get messages like:<br> <br> dtrace: 564 dynamic variable drops<br> dtrace: 448 dynamic variable drops<br> dtrace: 2831 dynamic variable drops<br> ....<br> <br> and in some other cases, I get messages like:<br> <br> dtrace: 18716 aggregation drops on CPU 0<br> dtrace: 39965 aggregation drops on CPU 0<br> dtrace: 30672 aggregation drops on CPU 0<br> dtrace: 50880 aggregation drops on CPU 0<br> <br> <br> I am wondering why I am getting these messages? How these messages affect the result and how to fix it if it adversely affect the result? What useful information can I derive from these messages?<br> <br> Thanks,<br> Ashu.<br> </font> </body> </html>
Adam Leventhal
2005-Dec-16 12:52 UTC
[dtrace-discuss] dynamic variable drops / aggregation drops messages.
Hi Ashu, Take a look at this post and Bryan''s reply: http://forum.sun.com/thread.jspa?threadID=23989&messageID=85938 Adam On Fri, Dec 16, 2005 at 03:55:33PM +0530, Ashutosh Kumar wrote:> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> > <html> > <head> > <meta content="text/html;charset=ISO-8859-1" http-equiv="Content-Type"> > <title></title> > </head> > <body bgcolor="#ffffff" text="#000000"> > <font size="+1">Hi, <br> > <br> > While running dtrace scripts, in some cases I get messages like:<br> > <br> > dtrace: 564 dynamic variable drops<br> > dtrace: 448 dynamic variable drops<br> > dtrace: 2831 dynamic variable drops<br> > ....<br> > <br> > and in some other cases, I get messages like:<br> > <br> > dtrace: 18716 aggregation drops on CPU 0<br> > dtrace: 39965 aggregation drops on CPU 0<br> > dtrace: 30672 aggregation drops on CPU 0<br> > dtrace: 50880 aggregation drops on CPU 0<br> > <br> > <br> > I am wondering why I am getting these messages? How these messages > affect the result and how to fix it if it adversely affect the result? > What useful information can I derive from these messages?<br> > <br> > Thanks,<br> > Ashu.<br> > </font> > </body> > </html>> _______________________________________________ > dtrace-discuss mailing list > dtrace-discuss at opensolaris.org-- Adam Leventhal, Solaris Kernel Development http://blogs.sun.com/ahl