upstream/opnsense-src
1
0
Fork 0
mirror of https://github.com/opnsense/src.git synced 2026-06-08 16:22:46 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

Add sysctl to track the resource consumption of ACPI interrupts.

Browse source 
Submitted by:	gibbs
MFC after:	1 month
Sponsored by:	Spectra Logic
MFSpectraBSD:	636827 on 2012/09/28
This commit is contained in:
Will Andrews 2014-10-01 14:35:52 +00:00
parent fbce0221eb
commit bb6b32dd81
1 changed files with 11 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

11
sys/dev/acpica/Osd/OsdSchedule.c
View file

@ -59,6 +59,13 @@ static int acpi_max_tasks = ACPI_MAX_TASKS;
SYSCTL_INT(_debug_acpi, OID_AUTO, max_tasks, CTLFLAG_RDTUN, &acpi_max_tasks,
0, "Maximum acpi tasks");
/*
* Track and report the system's demand for task slots.
*/
static int acpi_tasks_hiwater;
SYSCTL_INT(_debug_acpi, OID_AUTO, tasks_hiwater, CTLFLAG_RD,
&acpi_tasks_hiwater, 1, "Peak demand for ACPI event task slots.");
/*
* Allow the user to tune the number of task threads we start. It seems
* some systems have problems with increased parallelism.
@ -151,6 +158,10 @@ acpi_task_enqueue(int priority, ACPI_OSD_EXEC_CALLBACK Function, void *Context)
acpi_task_count++;
break;
}
if (i > acpi_tasks_hiwater)
atomic_cmpset_int(&acpi_tasks_hiwater, acpi_tasks_hiwater, i);
if (at == NULL) {
printf("AcpiOsExecute: failed to enqueue task, consider increasing "
"the debug.acpi.max_tasks tunable\n");