/* * Copyright 2005 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. * * This D script is used as an example in the Solaris Dynamic Tracing Guide * wiki in the "profile Provider" Chapter. * * The full text of the this chapter may be found here: * * http://docs.oracle.com/cd/E36784_01/html/E36846/gkyaw.html#scrolltoc * * On machines that have DTrace installed, this script is available as * restest.d in /usr/demo/dtrace, a directory that contains all D scripts * used in the Solaris Dynamic Tracing Guide. A table of the scripts and their * corresponding chapters may be found here: * * file:///usr/demo/dtrace/index.html */ profile-5000 { /* * We divide by 1,000,000 to convert nanoseconds to milliseconds, and * then we take the value mod 10 to get the current millisecond within * a 10 millisecond window. On platforms that do not support truly * arbitrary resolution profile probes, all of the profile-5000 probes * will fire on roughly the same millisecond. On platforms that * support a truly arbitrary resolution, the probe firings will be * evenly distributed across the milliseconds. */ @ms = lquantize((timestamp / 1000000) % 10, 0, 10, 1); } tick-1sec /i++ >= 10/ { exit(0); }