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| author | Mahesh Kumar Kalikot Veetil <mkalikot@codeaurora.org> | 2016-10-27 14:56:41 -0700 |
|---|---|---|
| committer | qcabuildsw <qcabuildsw@localhost> | 2017-01-06 09:54:55 -0800 |
| commit | 77da044787c68253e9fa9405571b3ee54d41d564 (patch) | |
| tree | 06c5e634ebf1b4bb765c04aa31c1beff2fbcfe44 /include | |
| parent | 6da21f5940187659e321bbebfe930fdd13aed887 (diff) | |
qcacmn: Add QDF memory stats
Create debug file system entries to show current QDF memory usage.
The 'list' option adds a little overhead, which is minimized by
locking node by node while traversing the entire allocated memory
list. Major operation is lock-less, using node reference count.
Following debugfs entries are added,
1. /sys/kernel/debug/<module_name>_qdf/mem/list
This lists QDF allocation by file and line number. It takes
some time to traverse the entire allocated list.
2. /sys/kernel/debug/<module_name>_qdf/mem/kmalloc
This file shows total kmalloc done by qdf_mem_alloc().
3. /sys/kernel/debug/<module_name>_qdf/mem/dma
This file shows total allocation done by qdf_mem_alloc_consistent()
Change-Id: Ie40a7cb6ee03dd58aebd0fbda0118ab06b64725a
CRs-Fixed: 1084097
Diffstat (limited to 'include')
0 files changed, 0 insertions, 0 deletions