From ffd4f3c8239b41d3fe9fa14403eb063e02b6a222 Mon Sep 17 00:00:00 2001
From: Justus Winter <4winter@informatik.uni-hamburg.de>
Date: Sat, 13 Sep 2014 00:41:11 +0200
Subject: ddb: add `show all tasks' command

* ddb/db_command.c (db_show_all_cmds): Add `tasks'.
* ddb/db_print.c (db_show_all_tasks): New function.
* ddb/db_print.h (db_show_all_tasks): New prototype.
---
 ddb/db_command.c |  1 +
 ddb/db_print.c   | 24 ++++++++++++++++++++++++
 ddb/db_print.h   |  6 ++++++
 3 files changed, 31 insertions(+)

(limited to 'ddb')

diff --git a/ddb/db_command.c b/ddb/db_command.c
index 8171119..5651667 100644
--- a/ddb/db_command.c
+++ b/ddb/db_command.c
@@ -304,6 +304,7 @@ db_command_list(
 }
 
 struct db_command db_show_all_cmds[] = {
+	{ "tasks",	db_show_all_tasks,	0,	0 },
 	{ "threads",	db_show_all_threads,	0,	0 },
 	{ "slocks",	db_show_all_slocks,	0,	0 },
 	{ (char *)0 }
diff --git a/ddb/db_print.c b/ddb/db_print.c
index e711ab6..24a3e33 100644
--- a/ddb/db_print.c
+++ b/ddb/db_print.c
@@ -276,6 +276,30 @@ db_print_task(
 	}
 }
 
+void
+db_show_all_tasks(db_expr_t addr,
+		  boolean_t have_addr,
+		  db_expr_t count,
+		  const char *modif)
+{
+	task_t task;
+	int task_id = 0;
+	processor_set_t pset;
+
+	db_printf(" ID %-*s NAME [THREADS]\n", 2*sizeof(vm_offset_t), "TASK");
+
+	queue_iterate(&all_psets, pset, processor_set_t, all_psets)
+	    queue_iterate(&pset->tasks, task, task_t, pset_tasks) {
+		db_printf("%3d %0*X %s [%d]\n",
+			  task_id,
+			  2*sizeof(vm_offset_t),
+			  task,
+			  task->name,
+			  task->thread_count);
+		task_id++;
+	    }
+}
+
 /*ARGSUSED*/
 void
 db_show_all_threads(addr, have_addr, count, modif)
diff --git a/ddb/db_print.h b/ddb/db_print.h
index dacb47b..87db97b 100644
--- a/ddb/db_print.h
+++ b/ddb/db_print.h
@@ -38,6 +38,12 @@ void db_show_one_thread(
 	db_expr_t	count,
 	const char *	modif);
 
+void db_show_all_tasks(
+	db_expr_t	addr,
+	int		have_addr,
+	db_expr_t	count,
+	const char *	modif);
+
 void db_show_all_threads(
 	db_expr_t	addr,
 	int		have_addr,
-- 
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