From 1617d766b6c65e3da6b630173b42a15dd606f835 Mon Sep 17 00:00:00 2001 From: jistone Date: Thu, 18 May 2006 02:29:34 +0000 Subject: 2006-05-17 Josh Stone * testsuite/buildok/sched_test.stp: test scheduler tapset * examples/small_demos/sched_snoop.stp: demo scheduler tapset * tapset/scheduler.stp: New scheduler tapset --- examples/small_demos/sched_snoop.stp | 35 +++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100755 examples/small_demos/sched_snoop.stp (limited to 'examples') diff --git a/examples/small_demos/sched_snoop.stp b/examples/small_demos/sched_snoop.stp new file mode 100755 index 00000000..9c6ebe65 --- /dev/null +++ b/examples/small_demos/sched_snoop.stp @@ -0,0 +1,35 @@ +#!/usr/bin/env stap + +global start_ts + +probe begin { + start_ts = gettimeofday_us() + printf("%12s %3s %5s %5s %-16s ACTION\n", + "TIMESTAMP", "CPU", "PID", "TID", "EXECNAME") +} + +function report(action:string) { + printf("%3d %12d %5d %5d %-16s %s\n", + gettimeofday_us() - start_ts, cpu(), + pid(), tid(), execname(), action) +} + +probe scheduler.cpu_off { + report(sprintf("cpu_off%s", idle? " [idle]" : "")) +} + +probe scheduler.cpu_on { + report(sprintf("cpu_on%s", idle? " [idle]" : "")) +} + +probe scheduler.tick { + report(sprintf("tick%s", idle? " [idle]" : "")) +} + +probe scheduler.migrate { + report("migrate") +} + +probe scheduler.balance { + report("balance") +} -- cgit