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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:17:27 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:17:27 +0000
commitf215e02bf85f68d3a6106c2a1f4f7f063f819064 (patch)
tree6bb5b92c046312c4e95ac2620b10ddf482d3fa8b /src/VBox/ExtPacks/VBoxDTrace/onnv/cmd/dtrace/demo/sched/whopreempt.d
parentInitial commit. (diff)
downloadvirtualbox-f215e02bf85f68d3a6106c2a1f4f7f063f819064.tar.xz
virtualbox-f215e02bf85f68d3a6106c2a1f4f7f063f819064.zip
Adding upstream version 7.0.14-dfsg.upstream/7.0.14-dfsg
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/VBox/ExtPacks/VBoxDTrace/onnv/cmd/dtrace/demo/sched/whopreempt.d')
-rw-r--r--src/VBox/ExtPacks/VBoxDTrace/onnv/cmd/dtrace/demo/sched/whopreempt.d57
1 files changed, 57 insertions, 0 deletions
diff --git a/src/VBox/ExtPacks/VBoxDTrace/onnv/cmd/dtrace/demo/sched/whopreempt.d b/src/VBox/ExtPacks/VBoxDTrace/onnv/cmd/dtrace/demo/sched/whopreempt.d
new file mode 100644
index 00000000..e8dd8633
--- /dev/null
+++ b/src/VBox/ExtPacks/VBoxDTrace/onnv/cmd/dtrace/demo/sched/whopreempt.d
@@ -0,0 +1,57 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License, Version 1.0 only
+ * (the "License"). You may not use this file except in compliance
+ * with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2005 Sun Microsystems, Inc. All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#pragma D option quiet
+
+sched:::preempt
+{
+ self->preempt = 1;
+}
+
+sched:::remain-cpu
+/self->preempt/
+{
+ self->preempt = 0;
+}
+
+sched:::off-cpu
+/self->preempt/
+{
+ /*
+ * If we were told to preempt ourselves, see who we ended up giving
+ * the CPU to.
+ */
+ @[stringof(args[1]->pr_fname), args[0]->pr_pri, execname,
+ curlwpsinfo->pr_pri] = count();
+ self->preempt = 0;
+}
+
+END
+{
+ printf("%30s %3s %30s %3s %5s\n", "PREEMPTOR", "PRI",
+ "PREEMPTED", "PRI", "#");
+ printa("%30s %3d %30s %3d %5@d\n", @);
+}