Alexey Starikovskiy wrote:
Ok, let's add it to the end of acpi_ps_complete_op() then... They appear
every 100usec or so...
(I know you've posted something later but I've only just got results for
this test - talk about fast!)
Massively better. I can still provoke small stalls that are now only
noticeable when playing games.
wakeup latency trace v1.1.5 on 2.6.27-rc7-tipskw-00756-g6522eab-dirty
--------------------------------------------------------------------
latency: 13900 us, #25557/25557, CPU#0 | (M:desktop VP:0, KP:0, SP:0 HP:0)
-----------------
| task: a7xpg-5739 (uid:1000 nice:0 policy:2 rt_prio:5)
-----------------
The trace can be seen on
http://sucs.org/~sits/test/eeepc-debug/20080925/acpi/latency_trace.gz .
Here are the top called functions from this much shorter trace:
2526 acpi_ut_update_ref_count (acpi_ut_update_object_reference)
2525 kmem_cache_free (acpi_os_release_object)
2521 acpi_os_release_object (acpi_ut_delete_generic_state)
2520 acpi_ut_delete_generic_state (acpi_ut_update_object_reference)
2519 acpi_ut_pop_generic_state (acpi_ut_update_object_reference)
2514 acpi_ut_create_generic_state (acpi_ut_create_update_state)
2513 kmem_cache_alloc (acpi_ut_create_generic_state)
2513 acpi_ut_push_generic_state (acpi_ut_create_update_state_and_push)
2512 acpi_ut_create_update_state_and_push
(acpi_ut_update_object_reference)
2511 acpi_ut_create_update_state (acpi_ut_create_update_state_and_push)
231 __slab_free (kmem_cache_free)
OK time to investigate your next mail...
--
Sitsofe | http://sucs.org/~sits/
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