Hitachi CMU LPQ520, User Manual

Page: 118 / 153

6 MAINTENANCE
6-17
6.2.6 Meanings of DHP trace information items
DHP trace information is displayed in the following way:
z It is displayed in a backward chronological order.
z It is classified into three groups of task, idle, and OS, where each group of information begins
with the event DISPATCH_E.
z The DISPATCH_E line presents numbers in the range 0x00000001 to 0x0000012C in the
DATA1 field. These numbers are the task numbers of tasks.
z The time is expressed in seconds and microseconds as a real value with six digits after the
decimal point.
z The DHP events and data displayed have the relationships shown in Table 6-7.
<DHP information display example>
The following is an example of a DHP trace information display, which is shown along with a
brief explanation of which task was executed and of the operation of the operating system (OS)
which took place at the time of task switching.
Explanation
165
166
40.901912
40.901901
TASK_PRI
RLEAS
112
112
10
10
00000071
00000071
00000032
Task 112 was executed.
167
168
169
170
171
172
173
40.901883
40.901868
40.901832
40.901815
40.901810
40.901796
40.901785
DISPATCH_E
DISPATCH
DISPATCH_E
RUNQ
DISPATCH
RUNQ
WAKEUP
112
111
111
112
112
112
112
10
10
10
10
10
10
10
00000070
0000006F
0000006F
00000070
00000070
0000006F
F0000000
00000032
00000032
00000032
00000032
84DB2000
84DAF000
84DAF000
84DB2000
00000002
00000002
Aborting task 111, the OS
switched to task 112.
174
175
40.901771
40.901748
ABORT
GFACT
112
112
10
10
0000006F
00000003
Task 112 was executed.
176
177
178
40.901727
40.901703
40.901691
DISPATCH_E
DISPATCH
TASK_PRI
112
111
111
10
10
10
00000070
0000006F
0000006F
00000032
0000001C
0000001C
84DB2000
84DAF000
00000000
00000002
Delaying task 111, the OS
switched to task 112.
179
180
181
182
183
184
40.901611
40.901600
40.901590
40.901579
40.901568
40.901546
DELAY
RUNQ
QUEUE
TASK_PRI
RLEAS
GFACT
111
111
111
111
111
111
10
10
10
10
10
10
00000BB8
00000070
00000070
00000070
00000070
00000002
00000003
00000032
Task 111 was executed.
185
186
187
40.901525
40.901507
40.901493
DISPATCH_E
DISPATCH
SLEEP
111
110
110
10
10
10
0000006F
0000006E
841C982C
00000032
00000032
00000032
84DAF000
84DAC000
00000002 Placing task 110 into wait
state, the OS switched to
task 111.
188
189
190
191
192
40.901483
40.901471
40.901459
40.901446
40.901434
WAIT
RUNQ
QUEUE
TASK_PRI
RLEAS
110
110
110
110
110
10
10
10
10
10
5004502C
0000006F
0000006F
0000006F
0000006F
00000002
00000032
Task 110 was executed.
193
194
195
196
197
40.901408
40.901399
40.901393
40.901373
40.901348
DISPATCH_E
RUNQ
DISPATCH
DISPATCH_E
DISPATCH
110
110
110
110
119
10
10
10
10
10
0000006E
0000006E
0000006E
0000006E
00000077
00000032
00000032
00000032
00000032
84DAC000
84DAC000
84DAC000
84DC7000
00000001
00000002
Terminating task 119, the
OS switched to task 110.
198
199
200
201
40.901323
40.901311
40.901300
40.901288
EXIT
RUNQ
WAKEUP
POST
119
119
119
119
10
10
10
10
0000006E
841C982C
5004502C 00001234
Task 119 was executed.
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