apps/system: Update to print waitsem info in ps

Add PROC_STAT_WAITSEM to get waitsem information from procfs.
Update to print waitsem information in ps command.

[Example]
```
TASH>>ps

  PID | PRIO | FLAG |  TYPE   | NP |  STATUS  | WAITSEM    | CPU | IRQCOUNT | NAME
------|------|------|---------|----|----------|------------|-----|----------|-----
    0 |    0 | FIFO | KTHREAD | N  | RUNNING  |          0 |   0 |        0 | CPU0 IDLE
    1 |    0 | FIFO | KTHREAD | N  | RUNNING  |          0 |   1 |        0 | CPU1 IDLE
    2 |  201 | RR   | KTHREAD |    | WAITSIG  |          0 |   1 |        2 | hpwork
    3 |   50 | RR   | KTHREAD |    | WAITSIG  |          0 |   1 |        2 | lpwork
    5 |  200 | RR   | KTHREAD |    | MQNEMPTY |          0 |   1 |        1 | km4_log_task
    6 |  204 | RR   | KTHREAD |    | WAITSEM  | 0x60191c58 |   1 |        1 | LCD Frame flusing
    7 |  107 | RR   | KTHREAD |    | WAITSEM  | 0x601babe0 |   1 |        1 | inic_msg_q_task
    8 |  104 | RR   | KTHREAD |    | WAITSEM  | 0x601bcb60 |   1 |        1 | inic_host_rx_tasklet
    9 |  103 | RR   | KTHREAD |    | WAITSEM  | 0x601beb20 |   1 |        1 | inic_ipc_api_host_task
   11 |  100 | RR   | KTHREAD |    | WAITSIG  |          0 |   0 |        2 | NDP_health_check
   12 |  105 | RR   | KTHREAD |    | WAITSEM  | 0x60119030 |   1 |        2 | LWIP_TCP/IP
   13 |  100 | RR   | KTHREAD |    | WAITSEM  | 0x60118498 |   0 |        1 | netmgr_event_handler
   14 |  200 | RR   | KTHREAD |    | MQNEMPTY |          0 |   1 |        1 | log_dump
   15 |  203 | RR   | KTHREAD |    | MQNEMPTY |          0 |   0 |        1 | binary_manager
   18 |  180 | RR   | TASK    |    | WAITSIG  |          0 |   0 |        2 | app1
   19 |  100 | RR   | TASK    |    | WAITSIG  |          0 |   0 |        1 | uwork
   20 |  125 | RR   | TASK    |    | WAITSEM  |          0 |   0 |        1 | tash
   21 |  100 | RR   | PTHREAD |    | WAITSEM  | 0x63f831b0 |   0 |        1 | PlayerWorker
   22 |  100 | RR   | PTHREAD |    | WAITSEM  | 0x63f832c4 |   0 |        1 | RecorderWorker
   23 |  100 | RR   | PTHREAD |    | WAITSEM  | 0x63f8323c |   0 |        1 | PlayerObserverWorker
   24 |  100 | RR   | PTHREAD |    | WAITSEM  | 0x63f83344 |   0 |        1 | RecorderObserverWorker
   25 |  199 | RR   | PTHREAD |    | WAITSEM  | 0x63f83138 |   0 |        1 | FocusManagerWorker
   26 |  100 | RR   | TASK    |    | WAITSEM  | 0x63a9009c |   0 |        1 | wifi msg handler
   27 |  100 | RR   | TASK    |    | WAITSEM  | 0x63a917bc |   0 |        1 | ble msg handler
```

Signed-off-by: seokhun-eom <seokhun.eom@samsung.com>

Author: seokhun-eom24

apps/system/utils/utils_proc.h

@@ -34,6 +34,7 @@ enum proc_stat_data_e {
 	PROC_STAT_PEAKHEAP,
 	PROC_STAT_CPU,
 	PROC_STAT_IRQCOUNT,
+	PROC_STAT_WAITSEM,
 #ifdef CONFIG_SCHED_CPULOAD
 #ifdef CONFIG_SCHED_MULTI_CPULOAD
 	PROC_STAT_CPULOAD_SHORT,

apps/system/utils/utils_ps.c

@@ -127,7 +127,7 @@ static void ps_print_values(char *buf, void *arg)
 		flags & TCB_FLAG_NONCANCELABLE ? 'N' : ' ', flags & TCB_FLAG_CANCEL_PENDING ? 'P' : ' ', \
 		utils_statenames[state]);
 
-	printf(" | %3s | %8s", stat_info[PROC_STAT_CPU], stat_info[PROC_STAT_IRQCOUNT]);
+	printf(" | %10s | %3s | %8s", stat_info[PROC_STAT_WAITSEM], stat_info[PROC_STAT_CPU], stat_info[PROC_STAT_IRQCOUNT]);
 
 #if (CONFIG_TASK_NAME_SIZE > 0)
 	printf(" | %s\n", stat_info[PROC_STAT_NAME]);
@@ -203,8 +203,8 @@ int utils_ps(int argc, char **args)
 	}
 
 	printf("\n");
-	printf("  PID | PRIO | FLAG |  TYPE   | NP |  STATUS  | CPU | IRQCOUNT | NAME\n");
-	printf("------|------|------|---------|----|----------|-----|----------|-----\n");
+	printf("  PID | PRIO | FLAG |  TYPE   | NP |  STATUS  | WAITSEM    | CPU | IRQCOUNT | NAME\n");
+	printf("------|------|------|---------|----|----------|------------|-----|----------|-----\n");
 	/* Print information for each task/thread */
 	utils_proc_pid_foreach(ps_read_proc, NULL);
 

os/fs/procfs/fs_procfsproc.c

@@ -462,6 +462,16 @@ static ssize_t proc_entry_stat(FAR struct proc_file_s *procfile, FAR struct tcb_
 	copysize = procfs_memcpy(procfile->line, linesize, buffer, buflen, &offset);
 	totalsize += copysize;
 
+	buffer += copysize;
+	remaining -= copysize;
+	if (totalsize >= buflen) {
+		return totalsize;
+	}
+
+	linesize = snprintf(procfile->line, STATUS_LINELEN, " %p", tcb->waitsem);
+	copysize = procfs_memcpy(procfile->line, linesize, buffer, remaining, &offset);
+	totalsize += copysize;
+
 #ifdef CONFIG_SCHED_CPULOAD
 	buffer += copysize;
 	remaining -= copysize;