diff options
| author |   Frederic Barrat <fbarrat@linux.vnet.ibm.com> | 2018-01-23 12:31:44 +0100 |
|---|---|---|
| committer |   Michael Ellerman <mpe@ellerman.id.au> | 2018-01-24 11:42:59 +1100 |
| commit | 92add22e84788d44e978662ca6bcd585f9ac081e (patch) | |
| tree | c9dd4a0501f9c0ca3342e28349fae69af642b78c /drivers/misc/ocxl/afu_irq.c | |
| parent | ocxl: Add a kernel API for other opencapi drivers (diff) | |
| download | linux-dev-92add22e84788d44e978662ca6bcd585f9ac081e.tar.xz linux-dev-92add22e84788d44e978662ca6bcd585f9ac081e.zip | |
ocxl: Add trace points
Define a few trace points so that we can use the standard tracing
mechanism for debug and/or monitoring.
Signed-off-by: Frederic Barrat <fbarrat@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'drivers/misc/ocxl/afu_irq.c')
| -rw-r--r-- | drivers/misc/ocxl/afu_irq.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/misc/ocxl/afu_irq.c b/drivers/misc/ocxl/afu_irq.c index f40d853de401..e70cfa24577f 100644 --- a/drivers/misc/ocxl/afu_irq.c +++ b/drivers/misc/ocxl/afu_irq.c @@ -4,6 +4,7 @@ #include <linux/eventfd.h> #include <asm/pnv-ocxl.h> #include "ocxl_internal.h" +#include "trace.h" struct afu_irq { int id; @@ -28,6 +29,7 @@ static irqreturn_t afu_irq_handler(int virq, void *data) { struct afu_irq *irq = (struct afu_irq *) data; + trace_ocxl_afu_irq_receive(virq); if (irq->ev_ctx) eventfd_signal(irq->ev_ctx, 1); return IRQ_HANDLED; @@ -102,6 +104,8 @@ int ocxl_afu_irq_alloc(struct ocxl_context *ctx, u64 *irq_offset) *irq_offset = irq_id_to_offset(ctx, irq->id); + trace_ocxl_afu_irq_alloc(ctx->pasid, irq->id, irq->virq, irq->hw_irq, + *irq_offset); mutex_unlock(&ctx->irq_lock); return 0; @@ -117,6 +121,7 @@ err_unlock: static void afu_irq_free(struct afu_irq *irq, struct ocxl_context *ctx) { + trace_ocxl_afu_irq_free(ctx->pasid, irq->id); if (ctx->mapping) unmap_mapping_range(ctx->mapping, irq_id_to_offset(ctx, irq->id), |