Native Inspect Manual (H06.13+, J06.03+)

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100

5. To view a specific allocation, specify the allocation number as an argument to the info

heap command. For example:

(eInspect 0,248)info heap 1

4096 bytes at 0x7bd63000 (9.86%of all bytes allocated)

in bar ()at test.c:108

in main ()at test.c:17

in _start ()

in $START$()

When multiple blocks are allocated from the same call stack, Native Inspect displays

additional information similar to the following:

(eInspect 0,248)info heap 3

245 bytes in 8 blocks (0.59% of all bytes allocated)

These range in size from 26 to 36 bytes and are allocated

in boo ()

in link_the_list ()at test.c:55

in main ()at test.c:13

in _start ()

You can control the stack frames that are collected for reporting at any allocation point.

For more information on this feature, see the Debugging Dynamic Memory Usage Errors

Using HP WDB white paper located at the HP WDB Documentation webpage: http://

www.hp.com/go/WDB.

• To use the info heap command with the min-heap-size filter setting.

NOTE: min-heap-size is described under the set heap-check Command (memory leak

detection) (page 115).

Sample program:

1 #include stdio.h

2 #include stdlib.h

3 main()

4 {

5 int i, *arr[1000 ];

6 for (i=0; i < 1000; i++)

7 arr[i] = malloc (49);

8 malloc (30);

9 set_brkpt_here(0)

10 exit(0);

11 12 }

Sample debugging session:

For 32-bit application:

TACL> rund minheap /lib $system.sys00.zrtcdll/

(eInspect 0,248)b set_brkpt_here

(eInspect 0,248)set heap-check min-heap-size 31

(eInspect 0,248)run

(eInspect 0,248)info heap

Analyzing heap …

49000 bytes allocated in 1000 blocks

No. Total bytes Blocks Address Function

0 49000 1000 0x4044eff0 main()

For 64-bit application:

TACL> run –minheap –lib=/G/system/sys00/yrtcdll/