[rtems commit] shell: Display scheduler instead of current CPU

[Sebastian Huber]

Module:    rtems
Branch:    master
Commit:    ae359a9df43468d39660d90eecd42d135d807d7c
Changeset: http://git.rtems.org/rtems/commit/?id=ae359a9df43468d39660d90eecd42d135d807d7c

Author:    Sebastian Huber <sebastian.huber at embedded-brains.de>
Date:      Wed Jun 14 15:12:57 2017 +0200

shell: Display scheduler instead of current CPU

Display the scheduler name instead of the current CPU in the "task"
shell command.  The current CPU could be misleading in case locking
protocols are involved.  The "cpuuse" command can be used to obtain the
current CPU.

---

 cpukit/libmisc/monitor/mon-task.c | 26 +++++++++++++++++---------
 cpukit/libmisc/monitor/monitor.h  |  4 ++--
 2 files changed, 19 insertions(+), 11 deletions(-)

diff --git a/cpukit/libmisc/monitor/mon-task.c b/cpukit/libmisc/monitor/mon-task.c
index a4d7d24..dbbebf5 100644
--- a/cpukit/libmisc/monitor/mon-task.c
+++ b/cpukit/libmisc/monitor/mon-task.c
@@ -76,6 +76,7 @@ rtems_monitor_task_canonical(
 {
     Thread_Control    *rtems_thread;
     RTEMS_API_Control *api;
+    Objects_Name       name;
 
     rtems_thread =
       RTEMS_DECONST( Thread_Control *, (const Thread_Control *) thread_void );
@@ -95,13 +96,20 @@ rtems_monitor_task_canonical(
       sizeof( canonical_task->long_name )
     );
 
+    name.name_u32 = _Thread_Scheduler_get_home( rtems_thread )->name;
+    _Objects_Name_to_string(
+      name,
+      false,
+      canonical_task->scheduler_name,
+      sizeof( canonical_task->scheduler_name )
+    );
+
     rtems_monitor_task_wait_info( canonical_task, rtems_thread );
 
     canonical_task->state = rtems_thread->current_state;
     canonical_task->entry = rtems_thread->Start.Entry;
     canonical_task->stack = rtems_thread->Start.Initial_stack.area;
     canonical_task->stack_size = rtems_thread->Start.Initial_stack.size;
-    canonical_task->cpu = _Per_CPU_Get_index( _Thread_Get_CPU( rtems_thread ) );
     canonical_task->priority = _Thread_Get_priority( rtems_thread );
     canonical_task->events = api->Event.pending_events;
     /*
@@ -127,8 +135,8 @@ rtems_monitor_task_dump_header(
 )
 {
     fprintf(stdout,"\
-ID       NAME                 CPU PRI STATE  MODES    EVENTS WAITINFO\n"); /*
-0a010004 SHLL                   0 100 READY  P:T:nA   NONE   00000000 */
+ID       NAME                 SHED PRI STATE  MODES    EVENTS WAITINFO\n"); /*
+0a010004 SHLL                 UPD  100 READY  P:T:nA   NONE   00000000 */
 
     rtems_monitor_separator();
 }
@@ -159,16 +167,16 @@ rtems_monitor_task_dump(
     }
 
     length += rtems_monitor_pad(30, length);
-    length += fprintf(stdout, "%3" PRId32, monitor_task->cpu);
-    length += rtems_monitor_pad(34, length);
+    length += fprintf(stdout, "%s", monitor_task->scheduler_name);
+    length += rtems_monitor_pad(35, length);
     length += rtems_monitor_dump_priority(monitor_task->priority);
-    length += rtems_monitor_pad(38, length);
+    length += rtems_monitor_pad(39, length);
     length += rtems_monitor_dump_state(monitor_task->state);
-    length += rtems_monitor_pad(45, length);
+    length += rtems_monitor_pad(46, length);
     length += rtems_monitor_dump_modes(monitor_task->modes);
-    length += rtems_monitor_pad(52, length);
+    length += rtems_monitor_pad(53, length);
     length += rtems_monitor_dump_events(monitor_task->events);
-    length += rtems_monitor_pad(61, length);
+    length += rtems_monitor_pad(62, length);
     length += fprintf(stdout, "%s", monitor_task->wait);
 
     fprintf(stdout,"\n");
diff --git a/cpukit/libmisc/monitor/monitor.h b/cpukit/libmisc/monitor/monitor.h
index ca62be6..6ecd903 100644
--- a/cpukit/libmisc/monitor/monitor.h
+++ b/cpukit/libmisc/monitor/monitor.h
@@ -100,13 +100,13 @@ typedef struct {
     Thread_Entry_information   entry;
     void                      *stack;
     uint32_t                   stack_size;
-    uint32_t                   cpu;
+    char                       scheduler_name[5];
     rtems_task_priority        priority;
     States_Control             state;
     rtems_event_set            events;
     rtems_mode                 modes;
     rtems_attribute            attributes;
-    char                       wait[18];
+    char                       wait[17];
     uint32_t                   ticks;
 } rtems_monitor_task_t;