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staging: vc04_services: Update testing instructions

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Since the initial version of the testing instructions a few
things has changed. So consider the latest arm64/defconfig changes
and the new debugfs entry.

Signed-off-by: Stefan Wahren <wahrenst@gmx.net>
Link: https://lore.kernel.org/r/20240621131958.98208-11-wahrenst@gmx.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Stefan Wahren 2024-06-21 15:19:58 +02:00 committed by Greg Kroah-Hartman
parent fcc938c298
commit 921190437a
1 changed files with 44 additions and 1 deletions
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45
drivers/staging/vc04_services/interface/TESTING
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@ -31,7 +31,7 @@ Here are the most common kernel configurations:
3. BCM2837 target SoC (ARM 64 bit)
Use the defconfig as a base and then enable all VCHIQ options.
Use the defconfig which has most of the VCHIQ options enabled.
* Scenarios
@ -80,3 +80,46 @@ Here are the most common kernel configurations:
vchi ping (size 0, 100 async, 100 oneway) -> infus
vchi ping (size 0, 200 async, 0 oneway) -> infus
...
* Debugfs test
Command: cat /sys/kernel/debug/vchiq/state
Example output:
State 0: CONNECTED
tx_pos=0x1e8(@43b0acda), rx_pos=0x170(@05493af8)
Version: 8 (min 3)
Stats: ctrl_tx_count=7, ctrl_rx_count=7, error_count=0
Slots: 30 available (29 data), 0 recyclable, 0 stalls (0 data)
Platform: 2835 (VC master)
Local: slots 34-64 tx_pos=0x1e8 recycle=0x1f
Slots claimed:
DEBUG: SLOT_HANDLER_COUNT = 20(0x14)
DEBUG: SLOT_HANDLER_LINE = 1937(0x791)
DEBUG: PARSE_LINE = 1864(0x748)
DEBUG: PARSE_HEADER = -249155224(0xf1263168)
DEBUG: PARSE_MSGID = 67362817(0x403e001)
DEBUG: AWAIT_COMPLETION_LINE = 0(0x0)
DEBUG: DEQUEUE_MESSAGE_LINE = 0(0x0)
DEBUG: SERVICE_CALLBACK_LINE = 0(0x0)
DEBUG: MSG_QUEUE_FULL_COUNT = 0(0x0)
DEBUG: COMPLETION_QUEUE_FULL_COUNT = 0(0x0)
Remote: slots 2-32 tx_pos=0x170 recycle=0x1f
Slots claimed:
2: 10/9
DEBUG: SLOT_HANDLER_COUNT = 20(0x14)
DEBUG: SLOT_HANDLER_LINE = 1851(0x73b)
DEBUG: PARSE_LINE = 1827(0x723)
DEBUG: PARSE_HEADER = -150330912(0xf70a21e0)
DEBUG: PARSE_MSGID = 67113022(0x400103e)
DEBUG: AWAIT_COMPLETION_LINE = 0(0x0)
DEBUG: DEQUEUE_MESSAGE_LINE = 0(0x0)
DEBUG: SERVICE_CALLBACK_LINE = 0(0x0)
DEBUG: MSG_QUEUE_FULL_COUNT = 0(0x0)
DEBUG: COMPLETION_QUEUE_FULL_COUNT = 0(0x0)
Service 0: LISTENING (ref 1) 'PEEK little-endian (0x4b454550)' remote n/a (msg use 0/3840, slot use 0/15)
Bulk: tx_pending=0 (size 0), rx_pending=0 (size 0)
Ctrl: tx_count=0, tx_bytes=0, rx_count=0, rx_bytes=0
Bulk: tx_count=0, tx_bytes=0, rx_count=0, rx_bytes=0
0 quota stalls, 0 slot stalls, 0 bulk stalls, 0 aborted, 0 errors
instance b511f60b