apps/nshlib: Add irqinfo command.

netutils/xmlrpc/xmlparser.c

@@ -125,7 +125,7 @@ static int xmlrpc_getelement(struct parsebuf_s * pbuf, char *data, int dataSize)
   int j = 0;
   int ret = XMLRPC_NO_ERROR;
 
-  while (!isprint(pbuf->buf[pbuf->index]))
+  while (pbuf->index < pbuf->len && !isprint(pbuf->buf[pbuf->index]))
     {
       pbuf->index++;
     }
@@ -162,9 +162,11 @@ static int xmlrpc_getelement(struct parsebuf_s * pbuf, char *data, int dataSize)
         {
           data[j++] = pbuf->buf[pbuf->index++];
           if (j >= dataSize)
+            {
               ret = XMLRPC_PARSE_ERROR;
             }
         }
+    }
 
   data[j] = 0;
   return ret;
@@ -229,12 +231,15 @@ static int xmlrpc_parseparam(struct parsebuf_s * pbuf)
     case 'b':
       g_xmlcall.arguments[g_xmlcall.argsize].u.i = atoi(g_data);
       break;
+
     case 'd':
       g_xmlcall.arguments[g_xmlcall.argsize].u.d = atof(g_data);
       break;
+
     case 's':
       strcpy(g_xmlcall.arguments[g_xmlcall.argsize].u.string, g_data);
       break;
+
     default:
       return XMLRPC_PARSE_ERROR;
     }

nshlib/README.txt

@@ -590,6 +590,18 @@ o insmod <file-path> <module-name>
     NAME                 INIT   UNINIT      ARG     TEXT     SIZE     DATA     SIZE
     mydriver         20404659 20404625        0 20404580      552 204047a8        0
 
+o irqinfo
+
+  Show the current count of interrupts taken on all attached interrupts.
+
+  Example:
+
+    nsh> irqinfo
+    IRQ HANDLER  ARGUMENT    COUNT    RATE
+      3 00001b3d 00000000        156   19.122
+     15 0000800d 00000000        817  100.000
+     30 00000fd5 20000018         20    2.490
+
 o kill -<signal> <pid>
 
   Send the <signal> to the task identified by <pid>.
@@ -1325,6 +1337,7 @@ Command Dependencies on Configuration Settings
   ifdown     CONFIG_NET && CONFIG_FS_PROCFS && !CONFIG_FS_PROCFS_EXCLUDE_NET
   ifup       CONFIG_NET && CONFIG_FS_PROCFS && !CONFIG_FS_PROCFS_EXCLUDE_NET
   insmod     CONFIG_MODULE
+  irqinfo    CONFIG_FS_PROCFS && CONFIG_SCHED_IRQMONITOR
   kill       !CONFIG_DISABLE_SIGNALS
   losetup    !CONFIG_DISABLE_MOUNTPOINT && CONFIG_NFILE_DESCRIPTORS > 0 && CONFIG_DEV_LOOP
   ln         CONFIG_NFILE_DESCRIPTORS > 0 && CONFIG_PSEUDOFS_SOFTLINK

nshlib/nsh.h

@@ -658,6 +658,12 @@
 #  endif
 #endif
 
+#undef HAVE_IRQINFO
+#if !defined(CONFIG_DISABLE_MOUNTPOINT) && defined(CONFIG_FS_PROCFS) && \
+     defined(CONFIG_SCHED_IRQMONITOR)
+#  define HAVE_IRQINFO            1
+#endif
+
 #undef HAVE_MOUNT_LIST
 #if defined(CONFIG_FS_PROCFS) && !defined(CONFIG_NSH_DISABLE_MOUNT) && \
    !defined(CONFIG_FS_PROCFS_EXCLUDE_MOUNT)
@@ -684,13 +690,14 @@
 #  undef NSH_HAVE_TRIMDIR
 #endif
 
-/* nsh_catfile used by cat, ifconfig, ifup/down, df, free, and mount (with
+/* nsh_catfile used by cat, ifconfig, ifup/down, df, free, irqinfo, and mount (with
  * no arguments).
  */
 
 #if !defined(CONFIG_NSH_DISABLE_CAT) && !defined(CONFIG_NSH_DISABLE_IFCONFIG) && \
     !defined(CONFIG_NSH_DISABLE_IFUPDOWN) && !defined(CONFIG_NSH_DISABLE_DF) && \
-    !defined(CONFIG_NSH_DISABLE_FREE) && !defined(HAVE_MOUNT_LIST)
+    !defined(CONFIG_NSH_DISABLE_FREE) && !defined(HAVE_IRQINFO) && \
+    !defined(HAVE_MOUNT_LIST)
 #  undef NSH_HAVE_CATFILE
 #endif
 
@@ -1044,6 +1051,10 @@ int cmd_lsmod(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv);
 #endif
 #endif
 
+#ifdef HAVE_IRQINFO
+int cmd_irqinfo(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv);
+#endif
+
 #if !defined(CONFIG_NSH_DISABLESCRIPT) && !defined(CONFIG_NSH_DISABLE_TEST)
   int cmd_test(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv);
   int cmd_lbracket(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv);

nshlib/nsh_command.c

@@ -192,14 +192,6 @@ static const struct cmdmap_s g_cmdmap[] =
 # endif
 #endif
 
-#ifndef CONFIG_NSH_DISABLE_PRINTF
-# ifndef CONFIG_DISABLE_ENVIRON
-  { "printf",   cmd_printf,   1, CONFIG_NSH_MAXARGUMENTS, "[\\xNN] [\\n\\r\\t] [<string|$name> [<string|$name>...]]" },
-# else
-  { "printf",   cmd_printf,   1, CONFIG_NSH_MAXARGUMENTS, "[\\xNN] [\\n\\r\\t] [<string> [<string>...]]" },
-# endif
-#endif
-
 #ifndef CONFIG_NSH_DISABLE_EXEC
   { "exec",     cmd_exec,     2, 3, "<hex-address>" },
 #endif
@@ -254,6 +246,10 @@ static const struct cmdmap_s g_cmdmap[] =
   { "insmod",   cmd_insmod,   3, 3, "<file-path> <module-name>" },
 #endif
 
+#ifdef HAVE_IRQINFO
+  { "irqinfo",  cmd_irqinfo,  1, 1, NULL },
+#endif
+
 #ifndef CONFIG_DISABLE_SIGNALS
 # ifndef CONFIG_NSH_DISABLE_KILL
   { "kill",     cmd_kill,     3, 3, "-<signal> <pid>" },
@@ -385,6 +381,14 @@ static const struct cmdmap_s g_cmdmap[] =
   { "poweroff", cmd_poweroff,  1, 1, NULL },
 #endif
 
+#ifndef CONFIG_NSH_DISABLE_PRINTF
+# ifndef CONFIG_DISABLE_ENVIRON
+  { "printf",   cmd_printf,   1, CONFIG_NSH_MAXARGUMENTS, "[\\xNN] [\\n\\r\\t] [<string|$name> [<string|$name>...]]" },
+# else
+  { "printf",   cmd_printf,   1, CONFIG_NSH_MAXARGUMENTS, "[\\xNN] [\\n\\r\\t] [<string> [<string>...]]" },
+# endif
+#endif
+
 #ifndef CONFIG_NSH_DISABLE_PS
   { "ps",       cmd_ps,       1, 1, NULL },
 #endif

nshlib/nsh_dbgcmds.c

@@ -1,7 +1,8 @@
 /****************************************************************************
  * apps/nshlib/dbg_dbgcmds.c
  *
- *   Copyright (C) 2008-2009, 2011-2012, 2015, 2017 Gregory Nutt. All rights reserved.
+ *   Copyright (C) 2008-2009, 2011-2012, 2015, 2017-2018 Gregory Nutt. All
+ *     rights reserved.
  *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
@@ -500,3 +501,14 @@ int cmd_hexdump(FAR struct nsh_vtbl_s *vtbl, int argc, FAR char **argv)
 }
 #endif
 #endif
+
+/****************************************************************************
+ * Name: cmd_irqinfo
+ ****************************************************************************/
+
+#ifdef HAVE_IRQINFO
+int cmd_irqinfo(FAR struct nsh_vtbl_s *vtbl, int argc, FAR char **argv)
+{
+  return nsh_catfile(vtbl, argv[0], CONFIG_NSH_PROC_MOUNTPOINT "/irqs");
+}
+#endif