topic Re: Can't display cpu usage or timeline in MQX Software Solutions

Can't display cpu usage or timeline

kaiyueyang — Fri, 09 May 2014 02:16:03 GMT

I'm using a K60FX512 MCU with MQX4.0 and CW10.4. I have created klog in my program. And I can see 'Performace data view' and 'stack usage'. But when I tried to open timeline, It tells me that 'no task switches found'. In cpu usage it shows nothing.

I've tried both online and offline mode. Neither of them worked.

I've used this in my last project which is on MQX3.8. And it just worked well. I don't know what's the difference.

Re: Can't display cpu usage or timeline

Luis_Garabo — Fri, 09 May 2014 14:11:18 GMT

Hi Yang,

Since you already saw it working on MQX 3.8 I will assume you already added these two lines in the user_config.h file:

#define MQX_USE_LOGS	1
#define MQX_KERNEL_LOGGING	1

Make sure you recompiled PSP and BSP again after this change.

If so, then you need to check the example code I am attaching which I already tested and is showing with context switch timeline.

Regards,
Garabo

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Re: Can't display cpu usage or timeline

kaiyueyang — Mon, 19 May 2014 01:16:13 GMT

I've tried klog.c. It didn't work. The result is just the same as my own program.

Re: Can't display cpu usage or timeline

kaiyueyang — Mon, 19 May 2014 01:22:40 GMT

Kernel log contains:

1. 0x00000000:37B91 -> FUN _time_delay_ticks 0x0 0x0 0x0 0x0 0x0

2. 0x00000000:37F9B -> FUN _sched_yield 0x1FFF1B9C 0x10002 0x2 0x1FFF21BC 0x0

3. 0x00000000:38393 -> FUN _task_ready 0x1FFF1B9C 0x0 0x0 0x0 0x0

4. 0x00000000:3874E -> XFUN _task_ready 0x0 0x0 0x0 0x0 0x0

5. 0x00000000:38C14 -> XFUN _time_delay_ticks 0x0 0x0 0x0 0x0 0x0

6. 0x00000000:38FC8 -> FUN _time_delay_ticks 0x5 0x0 0x0 0x0 0x0

7. 0x00000005:048E -> FUN _task_ready 0x1FFF1B9C 0x0 0x0 0x0 0x0

8. 0x00000005:0865 -> XFUN _task_ready 0x0 0x0 0x0 0x0 0x0

9. 0x00000005:0D97 -> XFUN _time_delay_ticks 0x0 0x0 0x0 0x0 0x0

10. 0x00000005:1146 -> FUN _time_delay_ticks 0xA 0x0 0x0 0x0 0x0

11. 0x0000000F:046A -> FUN _task_ready 0x1FFF1B9C 0x0 0x0 0x0 0x0

12. 0x0000000F:0836 -> XFUN _task_ready 0x0 0x0 0x0 0x0 0x0

13. 0x0000000F:0D5A -> XFUN _time_delay_ticks 0x0 0x0 0x0 0x0 0x0

14. 0x0000000F:1117 -> FUN _time_delay_ticks 0xF 0x0 0x0 0x0 0x0

15. 0x00000001E:0445 -> FUN _task_ready 0x1FFF1B9C 0x0 0x0 0x0 0x0

16. 0x00000001E:081B -> XFUN _task_ready 0x0 0x0 0x0 0x0 0x0

17. 0x00000001E:0D2C -> XFUN _time_delay_ticks 0x0 0x0 0x0 0x0 0x0

18. 0x00000001E:10E6 -> FUN _time_delay_ticks 0x14 0x0 0x0 0x0 0x0

19. 0x000000032:0461 -> FUN _task_ready 0x1FFF1B9C 0x0 0x0 0x0 0x0

20. 0x000000032:0827 -> XFUN _task_ready 0x0 0x0 0x0 0x0 0x0

21. 0x000000032:0D42 -> XFUN _time_delay_ticks 0x0 0x0 0x0 0x0 0x0

22. 0x000000032:1109 -> FUN _time_delay_ticks 0x19 0x0 0x0 0x0 0x0

23. 0x00000004B:045B -> FUN _task_ready 0x1FFF1B9C 0x0 0x0 0x0 0x0

24. 0x00000004B:082D -> XFUN _task_ready 0x0 0x0 0x0 0x0 0x0

25. 0x00000004B:0D48 -> XFUN _time_delay_ticks 0x0 0x0 0x0 0x0 0x0

26. 0x00000004B:10F7 -> FUN _time_delay_ticks 0x1E 0x0 0x0 0x0 0x0

27. 0x000000069:0455 -> FUN _task_ready 0x1FFF1B9C 0x0 0x0 0x0 0x0

28. 0x000000069:0817 -> XFUN _task_ready 0x0 0x0 0x0 0x0 0x0

29. 0x000000069:0D2B -> XFUN _time_delay_ticks 0x0 0x0 0x0 0x0 0x0

30. 0x000000069:10EB -> FUN _time_delay_ticks 0x23 0x0 0x0 0x0 0x0

31. 0x00000008C:0461 -> FUN _task_ready 0x1FFF1B9C 0x0 0x0 0x0 0x0

32. 0x00000008C:083B -> XFUN _task_ready 0x0 0x0 0x0 0x0 0x0

33. 0x00000008C:0D54 -> XFUN _time_delay_ticks 0x0 0x0 0x0 0x0 0x0

34. 0x00000008C:1103 -> FUN _time_delay_ticks 0x28 0x0 0x0 0x0 0x0

35. 0x0000000B4:045B -> FUN _task_ready 0x1FFF1B9C 0x0 0x0 0x0 0x0

36. 0x0000000B4:0813 -> XFUN _task_ready 0x0 0x0 0x0 0x0 0x0

37. 0x0000000B4:0D1C -> XFUN _time_delay_ticks 0x0 0x0 0x0 0x0 0x0

38. 0x0000000B4:10D7 -> FUN _time_delay_ticks 0x2D 0x0 0x0 0x0 0x0

39. 0x0000000E1:0442 -> FUN _task_ready 0x1FFF1B9C 0x0 0x0 0x0 0x0

40. 0x0000000E1:0801 -> XFUN _task_ready 0x0 0x0 0x0 0x0 0x0

41. 0x0000000E1:0D10 -> XFUN _time_delay_ticks 0x0 0x0 0x0 0x0 0x0

42. 0x0000000E1:BC05 -> FUN _taskq_suspend 0x1FFF174C 0x0 0x0 0x0 0x0

43. 0x0000000E7:73597 -> FUN _taskq_resume 0x1FFF174C 0x1 0x0 0x0 0x0

44. 0x0000000E7:73AC4 -> FUN _task_ready 0x1FFF1B9C 0x0 0x0 0x0 0x0

45. 0x0000000E7:73EA6 -> XFUN _task_ready 0x0 0x0 0x0 0x0 0x0

46. 0x0000000E7:742C5 -> XFUN _taskq_resume 0x0 0x0 0x0 0x0 0x0

47. 0x0000000E7:747D8 -> XFUN _taskq_suspend 0x0 0x0 0x0 0x0 0x0

48. 0x0000000E7:8048B -> FUN _taskq_suspend 0x1FFF174C 0x0 0x0 0x0 0x0

49. 0x0000000EE:51C55 -> FUN _taskq_resume 0x1FFF174C 0x1 0x0 0x0 0x0

50. 0x0000000EE:52172 -> FUN _task_ready 0x1FFF1B9C 0x0 0x0 0x0 0x0

51. 0x0000000EE:5253A -> XFUN _task_ready 0x0 0x0 0x0 0x0 0x0

52. 0x0000000EE:52941 -> XFUN _taskq_resume 0x0 0x0 0x0 0x0 0x0

53. 0x0000000EE:52E3A -> XFUN _taskq_suspend 0x0 0x0 0x0 0x0 0x0

54. 0x0000000EE:5DE25 -> FUN _taskq_suspend 0x1FFF174C 0x0 0x0 0x0 0x0

55. 0x0000000F5:30334 -> FUN _taskq_resume 0x1FFF174C 0x1 0x0 0x0 0x0

56. 0x0000000F5:3081D -> FUN _task_ready 0x1FFF1B9C 0x0 0x0 0x0 0x0

57. 0x0000000F5:30BF2 -> XFUN _task_ready 0x0 0x0 0x0 0x0 0x0

58. 0x0000000F5:30FF9 -> XFUN _taskq_resume 0x0 0x0 0x0 0x0 0x0

59. 0x0000000F5:314C2 -> XFUN _taskq_suspend 0x0 0x0 0x0 0x0 0x0

60. 0x0000000F5:3A50F -> FUN _taskq_suspend 0x1FFF174C 0x0 0x0 0x0 0x0

61. 0x0000000FC:EA10 -> FUN _taskq_resume 0x1FFF174C 0x1 0x0 0x0 0x0

62. 0x0000000FC:EEE9 -> FUN _task_ready 0x1FFF1B9C 0x0 0x0 0x0 0x0

63. 0x0000000FC:F2B0 -> XFUN _task_ready 0x0 0x0 0x0 0x0 0x0

64. 0x0000000FC:F6B1 -> XFUN _taskq_resume 0x0 0x0 0x0 0x0 0x0

65. 0x0000000FC:FB98 -> XFUN _taskq_suspend 0x0 0x0 0x0 0x0 0x0

66. 0x0000000FC:1AEA5 -> FUN _taskq_suspend 0x1FFF174C 0x0 0x0 0x0 0x0

67. 0x00000012:7F8A9 -> FUN _taskq_resume 0x1FFF174C 0x1 0x0 0x0 0x0

68. 0x00000012:7FDE7 -> FUN _task_ready 0x1FFF1B9C 0x0 0x0 0x0 0x0

69. 0x00000012:801B7 -> XFUN _task_ready 0x0 0x0 0x0 0x0 0x0

70. 0x00000012:805BF -> XFUN _taskq_resume 0x0 0x0 0x0 0x0 0x0

71. 0x00000012:80A8E -> XFUN _taskq_suspend 0x0 0x0 0x0 0x0 0x0

72. 0x00000012:8BF93 -> FUN _taskq_suspend 0x1FFF174C 0x0 0x0 0x0 0x0

73. 0x00000019:5DF91 -> FUN _taskq_resume 0x1FFF174C 0x1 0x0 0x0 0x0

74. 0x00000019:5E49D -> FUN _task_ready 0x1FFF1B9C 0x0 0x0 0x0 0x0

75. 0x00000019:5E85E -> XFUN _task_ready 0x0 0x0 0x0 0x0 0x0

76. 0x00000019:5EC77 -> XFUN _taskq_resume 0x0 0x0 0x0 0x0 0x0

77. 0x00000019:5F146 -> XFUN _taskq_suspend 0x0 0x0 0x0 0x0 0x0

78. 0x00000019:6A9E1 -> FUN _taskq_suspend 0x1FFF174C 0x0 0x0 0x0 0x0

79. 0x000000110:3C68B -> FUN _taskq_resume 0x1FFF174C 0x1 0x0 0x0 0x0

80. 0x000000110:3CBA3 -> FUN _task_ready 0x1FFF1B9C 0x0 0x0 0x0 0x0

81. 0x000000110:3CF64 -> XFUN _task_ready 0x0 0x0 0x0 0x0 0x0

82. 0x000000110:3D37D -> XFUN _taskq_resume 0x0 0x0 0x0 0x0 0x0

83. 0x000000110:3D87C -> XFUN _taskq_suspend 0x0 0x0 0x0 0x0 0x0

84. 0x000000110:491EB -> FUN _taskq_suspend 0x1FFF174C 0x0 0x0 0x0 0x0

85. 0x000000117:1AD7D -> FUN _taskq_resume 0x1FFF174C 0x1 0x0 0x0 0x0

86. 0x000000117:1B2BD -> FUN _task_ready 0x1FFF1B9C 0x0 0x0 0x0 0x0

87. 0x000000117:1B6A0 -> XFUN _task_ready 0x0 0x0 0x0 0x0 0x0

88. 0x000000117:1BA95 -> XFUN _taskq_resume 0x0 0x0 0x0 0x0 0x0

89. 0x000000117:1BF6A -> XFUN _taskq_suspend 0x0 0x0 0x0 0x0 0x0

90. 0x000000117:27BE9 -> FUN _taskq_suspend 0x1FFF174C 0x0 0x0 0x0 0x0

91. 0x00000011D:8BC06 -> FUN _taskq_resume 0x1FFF174C 0x1 0x0 0x0 0x0

92. 0x00000011D:8C0E0 -> FUN _task_ready 0x1FFF1B9C 0x0 0x0 0x0 0x0

93. 0x00000011D:8C4AC -> XFUN _task_ready 0x0 0x0 0x0 0x0 0x0

94. 0x00000011D:8C8B3 -> XFUN _taskq_resume 0x0 0x0 0x0 0x0 0x0

95. 0x00000011D:8CD82 -> XFUN _taskq_suspend 0x0 0x0 0x0 0x0 0x0

96. 0x00000011E:6445 -> FUN _taskq_suspend 0x1FFF174C 0x0 0x0 0x0 0x0

97. 0x000000124:6A2F1 -> FUN _taskq_resume 0x1FFF174C 0x1 0x0 0x0 0x0

98. 0x000000124:6A819 -> FUN _task_ready 0x1FFF1B9C 0x0 0x0 0x0 0x0

99. 0x000000124:6ABED -> XFUN _task_ready 0x0 0x0 0x0 0x0 0x0

100. 0x000000124:6B007 -> XFUN _taskq_resume 0x0 0x0 0x0 0x0 0x0

101. 0x000000124:6B500 -> XFUN _taskq_suspend 0x0 0x0 0x0 0x0 0x0

102. 0x000000124:76CFF -> FUN _taskq_suspend 0x1FFF174C 0x0 0x0 0x0 0x0

103. 0x00000012B:489A9 -> FUN _taskq_resume 0x1FFF174C 0x1 0x0 0x0 0x0

104. 0x00000012B:48EC0 -> FUN _task_ready 0x1FFF1B9C 0x0 0x0 0x0 0x0

105. 0x00000012B:49288 -> XFUN _task_ready 0x0 0x0 0x0 0x0 0x0

106. 0x00000012B:49695 -> XFUN _taskq_resume 0x0 0x0 0x0 0x0 0x0

107. 0x00000012B:49B70 -> XFUN _taskq_suspend 0x0 0x0 0x0 0x0 0x0

108. 0x00000012B:54681 -> FUN _taskq_suspend 0x1FFF174C 0x0 0x0 0x0 0x0

109. 0x000000132:270B5 -> FUN _taskq_resume 0x1FFF174C 0x1 0x0 0x0 0x0

110. 0x000000132:275BD -> FUN _task_ready 0x1FFF1B9C 0x0 0x0 0x0 0x0

111. 0x000000132:27988 -> XFUN _task_ready 0x0 0x0 0x0 0x0 0x0

112. 0x000000132:27D89 -> XFUN _taskq_resume 0x0 0x0 0x0 0x0 0x0

113. 0x000000132:2826A -> XFUN _taskq_suspend 0x0 0x0 0x0 0x0 0x0

114. 0x000000132:31AF5 -> FUN _taskq_suspend 0x1FFF174C 0x0 0x0 0x0 0x0

115. 0x000000139:577D -> FUN _taskq_resume 0x1FFF174C 0x1 0x0 0x0 0x0

116. 0x000000139:5C85 -> FUN _task_ready 0x1FFF1B9C 0x0 0x0 0x0 0x0

117. 0x000000139:606A -> XFUN _task_ready 0x0 0x0 0x0 0x0 0x0

118. 0x000000139:6465 -> XFUN _taskq_resume 0x0 0x0 0x0 0x0 0x0

119. 0x000000139:6940 -> XFUN _taskq_suspend 0x0 0x0 0x0 0x0 0x0

120. 0x000000139:11DD9 -> FUN _taskq_suspend 0x1FFF174C 0x0 0x0 0x0 0x0

121. 0x00000013F:7664E -> FUN _taskq_resume 0x1FFF174C 0x1 0x0 0x0 0x0

122. 0x00000013F:76B47 -> FUN _task_ready 0x1FFF1B9C 0x0 0x0 0x0 0x0

123. 0x00000013F:76F12 -> XFUN _task_ready 0x0 0x0 0x0 0x0 0x0

124. 0x00000013F:77319 -> XFUN _taskq_resume 0x0 0x0 0x0 0x0 0x0

125. 0x00000013F:77812 -> XFUN _taskq_suspend 0x0 0x0 0x0 0x0 0x0

126. 0x00000013F:82C99 -> FUN _taskq_suspend 0x1FFF174C 0x0 0x0 0x0 0x0

127. 0x000000146:54D2D -> FUN _taskq_resume 0x1FFF174C 0x1 0x0 0x0 0x0

128. 0x000000146:55262 -> FUN _task_ready 0x1FFF1B9C 0x0 0x0 0x0 0x0

129. 0x000000146:5563A -> XFUN _task_ready 0x0 0x0 0x0 0x0 0x0

130. 0x000000146:55A5B -> XFUN _taskq_resume 0x0 0x0 0x0 0x0 0x0

131. 0x000000146:55F48 -> XFUN _taskq_suspend 0x0 0x0 0x0 0x0 0x0

132. 0x000000146:6177D -> FUN _taskq_suspend 0x1FFF174C 0x0 0x0 0x0 0x0

133. 0x00000014D:33407 -> FUN _taskq_resume 0x1FFF174C 0x1 0x0 0x0 0x0

134. 0x00000014D:3391A -> FUN _task_ready 0x1FFF1B9C 0x0 0x0 0x0 0x0

135. 0x00000014D:33CF4 -> XFUN _task_ready 0x0 0x0 0x0 0x0 0x0

136. 0x00000014D:3410D -> XFUN _taskq_resume 0x0 0x0 0x0 0x0 0x0

137. 0x00000014D:3460C -> XFUN _taskq_suspend 0x0 0x0 0x0 0x0 0x0

138. 0x00000014D:4009F -> FUN _taskq_suspend 0x1FFF174C 0x0 0x0 0x0 0x0

139. 0x000000154:11AD6 -> FUN _taskq_resume 0x1FFF174C 0x1 0x0 0x0 0x0

140. 0x000000154:11FD7 -> FUN _task_ready 0x1FFF1B9C 0x0 0x0 0x0 0x0

141. 0x000000154:123B2 -> XFUN _task_ready 0x0 0x0 0x0 0x0 0x0

142. 0x000000154:127B3 -> XFUN _taskq_resume 0x0 0x0 0x0 0x0 0x0

143. 0x000000154:12CA2 -> XFUN _taskq_suspend 0x0 0x0 0x0 0x0 0x0

144. 0x000000154:1E703 -> FUN _taskq_suspend 0x1FFF174C 0x0 0x0 0x0 0x0

145. 0x00000015A:82990 -> FUN _taskq_resume 0x1FFF174C 0x1 0x0 0x0 0x0

146. 0x00000015A:82E91 -> FUN _task_ready 0x1FFF1B9C 0x0 0x0 0x0 0x0

This is what I get from serial terminal. It seems the log is normal?

Re: Can't display cpu usage or timeline

Luis_Garabo — Tue, 20 May 2014 18:25:06 GMT

Send your user_config.h file please.

Regards,
Garabo

Re: Re: Can't display cpu usage or timeline

kaiyueyang — Wed, 21 May 2014 02:46:22 GMT

/**HEADER**********************************************************************

*******************************************************************************

* THIS SOFTWARE IS PROVIDED BY FREESCALE "AS IS" AND ANY EXPRESSED OR

* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES

* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.

* IN NO EVENT SHALL FREESCALE OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,

* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES

* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR

* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,

* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING

* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF

* THE POSSIBILITY OF SUCH DAMAGE.

*******************************************************************************

* $FileName: user_config.h$

* $Version : 3.8.4.0$

* $Date : Sep-5-2012$

* Comments:

* User configuration for MQX components

*END**************************************************************************/

#ifndef __user_config_h__

#define __user_config_h__

/* mandatory CPU identification */

#define MQX_CPU PSP_CPU_MK60DF120M

/* MGCT: <generated_code> */

#define BSPCFG_ENET_SRAM_BUF 1

#define BSPCFG_ENABLE_I2C0 0

#define BSPCFG_ENABLE_I2C1 1

#define BSPCFG_ENABLE_II2C0 0

#define BSPCFG_ENABLE_II2C1 1

#define BSPCFG_ENABLE_SPI1 1

#define BSPCFG_ENABLE_SPI2 1

#define BSPCFG_ENABLE_FLASHX 1

#define BSPCFG_ENABLE_IODEBUG 0

#define BSPCFG_HAS_SRAM_POOL 1

#define BSPCFG_ENABLE_TTYA 0

#define BSPCFG_ENABLE_ITTYA 1

#define BSPCFG_SCI0_BAUD_RATE 19200

#define BSPCFG_ENABLE_TTYB 0

#define BSPCFG_ENABLE_ITTYB 1

#define BSPCFG_SCI1_BAUD_RATE 19200

#define BSPCFG_ENABLE_TTYC 0

#define BSPCFG_ENABLE_ITTYC 1

#define BSPCFG_SCI2_BAUD_RATE 19200

#define BSPCFG_ENABLE_TTYD 0

#define BSPCFG_ENABLE_ITTYD 1

#define BSPCFG_SCI3_BAUD_RATE 19200

#define BSPCFG_ENABLE_TTYE 0

#define BSPCFG_ENABLE_ITTYE 1

#define BSPCFG_SCI4_BAUD_RATE 19200

#define BSPCFG_ENABLE_TTYF 0

#define BSPCFG_ENABLE_ITTYF 1

#define BSPCFG_SCI5_BAUD_RATE 19200

#define BSP_DEFAULT_IO_CHANNEL "ittyd:"

#define BSP_DEFAULT_IO_OPEN_MODE NULL

#define MQX_USE_IDLE_TASK 1

#define MQX_USE_MUTEXES 1

#define MQX_USE_LOGS 1

#define MQX_TASK_DESTRUCTION 1

#define MQX_KERNEL_LOGGING 1

#define MQX_ENABLE_LOW_POWER 0

#define RTCSCFG_ENABLE_ICMP 1

#define RTCSCFG_ENABLE_SNMP 0

#define RTCSCFG_ENABLE_UDP 1

#define RTCSCFG_ENABLE_TCP 1

#define RTCSCFG_ENABLE_STATS 1

#define RTCSCFG_ENABLE_GATEWAYS 1

#define FTPDCFG_USES_MFS 1

#define TELNETDCFG_NOWAIT FALSE

#define HTTPDCFG_POLL_MODE 0

#define HTTPDCFG_STATIC_TASKS 0

#define HTTPDCFG_DYNAMIC_TASKS 1

/* MGCT: </generated_code> */

** include common settings

/* use the rest of defaults from small-RAM-device profile */

#include "small_ram_config.h"

/* and enable verification checks in kernel */

#include "verif_enabled_config.h"

#endif /* __user_config_h__ */

Re: Can't display cpu usage or timeline

Luis_Garabo — Thu, 29 May 2014 13:24:54 GMT

Hi Yang,

Yes, your file looks fine. It should be another problem. Could you please add a break point in the dispatch.S file just in the line where the context switch is being logged into the kernel log? Just in the same line like the screen shoot shows:

Once you reach that break point go and take a look to your KLOG in the task aware debugging (MQX menu)

Hope that helps to find what is the issue.

Regards,
Garabo

Re: Can't display cpu usage or timeline

lfschrickte — Wed, 25 Jun 2014 14:42:16 GMT

Have the same issue here. Activated both macros in the user_config.h file, recompiled and however can't even access kernel log via the MQX menu (as said in your reply). Can access, however, Stack Usage. CPU Usage View is also not working.

Using FRDM-K64F + MQX RTOS 4.1 + CW 10.6.

Thank you!

Luiz Fernando

Re: Re: Can't display cpu usage or timeline

Luis_Garabo — Fri, 04 Jul 2014 17:28:15 GMT

Hi Luiz,

I just tested with a few modifications to the previous code and adding a break point in the line 119. I am able to see the context switching and the CPU usage with no issues. I am attaching the new code tested in MQX 4.1 for FRDM-K64

Regards,
Garabo