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hyperv: add interrupt counters

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Submitted by:		Howard Su <howard0su gmail com>
Reviewed by:		royger, Dexuan Cui <decui microsoft com>, adrian
Approved by:		adrian (mentor)
Sponsored by:		Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D4693
This commit is contained in:
Sepherosa Ziehau 2016-01-14 03:11:35 +00:00
parent 99781cb353
commit 1952924333
2 changed files with 6 additions and 28 deletions
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17
sys/dev/hyperv/vmbus/hv_connection.c
View File

@ -423,12 +423,6 @@ VmbusProcessChannelEvent(uint32_t relid)
// mtx_unlock(&channel->inbound_lock);
}
#ifdef HV_DEBUG_INTR
extern uint32_t hv_intr_count;
extern uint32_t hv_vmbus_swintr_event_cpu[MAXCPU];
extern uint32_t hv_vmbus_intr_cpu[MAXCPU];
#endif
/**
* Handler for events
*/
@ -449,17 +443,6 @@ hv_vmbus_on_events(void *arg)
KASSERT(cpu <= mp_maxid, ("VMBUS: hv_vmbus_on_events: "
"cpu out of range!"));
#ifdef HV_DEBUG_INTR
int i;
hv_vmbus_swintr_event_cpu[cpu]++;
if (hv_intr_count % 10000 == 0) {
printf("VMBUS: Total interrupt %d\n", hv_intr_count);
for (i = 0; i < mp_ncpus; i++)
printf("VMBUS: hw cpu[%d]: %d, event sw intr cpu[%d]: %d\n",
i, hv_vmbus_intr_cpu[i], i, hv_vmbus_swintr_event_cpu[i]);
}
#endif
if ((hv_vmbus_protocal_version == HV_VMBUS_VERSION_WS2008) ||
(hv_vmbus_protocal_version == HV_VMBUS_VERSION_WIN7)) {
maxdword = HV_MAX_NUM_CHANNELS_SUPPORTED >> 5;

17
sys/dev/hyperv/vmbus/hv_vmbus_drv_freebsd.c
View File

@ -225,32 +225,24 @@ hv_vmbus_isr(struct trapframe *frame)
return (FILTER_HANDLED);
}
#ifdef HV_DEBUG_INTR
uint32_t hv_intr_count = 0;
#endif
uint32_t hv_vmbus_swintr_event_cpu[MAXCPU];
uint32_t hv_vmbus_intr_cpu[MAXCPU];
u_long *hv_vmbus_intr_cpu[MAXCPU];
void
hv_vector_handler(struct trapframe *trap_frame)
{
#ifdef HV_DEBUG_INTR
int cpu;
#endif
/*
* Disable preemption.
*/
critical_enter();
#ifdef HV_DEBUG_INTR
/*
* Do a little interrupt counting.
*/
cpu = PCPU_GET(cpuid);
hv_vmbus_intr_cpu[cpu]++;
hv_intr_count++;
#endif
(*hv_vmbus_intr_cpu[cpu])++;
hv_vmbus_isr(trap_frame);
@ -479,6 +471,7 @@ static int
vmbus_bus_init(void)
{
int i, j, n, ret;
char buf[MAXCOMLEN + 1];
if (vmbus_inited)
return (0);
@ -515,13 +508,15 @@ vmbus_bus_init(void)
setup_args.vector = hv_vmbus_g_context.hv_cb_vector;
CPU_FOREACH(j) {
hv_vmbus_intr_cpu[j] = 0;
hv_vmbus_swintr_event_cpu[j] = 0;
hv_vmbus_g_context.hv_event_intr_event[j] = NULL;
hv_vmbus_g_context.hv_msg_intr_event[j] = NULL;
hv_vmbus_g_context.event_swintr[j] = NULL;
hv_vmbus_g_context.msg_swintr[j] = NULL;
snprintf(buf, sizeof(buf), "cpu%d:hyperv", j);
intrcnt_add(buf, &hv_vmbus_intr_cpu[j]);
for (i = 0; i < 2; i++)
setup_args.page_buffers[2 * j + i] = NULL;
}