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Re: [Qemu-devel] [PATCH 1/1] xen-hvm: Add trace to ioreq
From: |
Stefano Stabellini |
Subject: |
Re: [Qemu-devel] [PATCH 1/1] xen-hvm: Add trace to ioreq |
Date: |
Mon, 22 Jun 2015 17:01:55 +0100 |
User-agent: |
Alpine 2.02 (DEB 1266 2009-07-14) |
On Thu, 30 Apr 2015, Don Slutz wrote:
> Signed-off-by: Don Slutz <address@hidden>
> (cherry picked from commit b72adbe7510d0a30053d32334665ee887bec9e43)
Acked-by: Stefano Stabellini <address@hidden>
I'll add it to my queue
> trace-events | 7 +++++++
> xen-hvm.c | 21 +++++++++++++++++++++
> 2 files changed, 28 insertions(+)
>
> diff --git a/trace-events b/trace-events
> index 30eba92..4666dad 100644
> --- a/trace-events
> +++ b/trace-events
> @@ -932,6 +932,13 @@ xen_map_portio_range(uint32_t id, uint64_t start_addr,
> uint64_t end_addr) "id: %
> xen_unmap_portio_range(uint32_t id, uint64_t start_addr, uint64_t end_addr)
> "id: %u start: %#"PRIx64" end: %#"PRIx64
> xen_map_pcidev(uint32_t id, uint8_t bus, uint8_t dev, uint8_t func) "id: %u
> bdf: %02x.%02x.%02x"
> xen_unmap_pcidev(uint32_t id, uint8_t bus, uint8_t dev, uint8_t func) "id:
> %u bdf: %02x.%02x.%02x"
> +handle_ioreq(void *req, uint32_t type, uint32_t dir, uint32_t df, uint32_t
> data_is_ptr, uint64_t addr, uint64_t data, uint32_t count, uint32_t size)
> "I/O=%p type=%d dir=%d df=%d ptr=%d port=%#"PRIx64" data=%#"PRIx64" count=%d
> size=%d"
> +handle_ioreq_read(void *req, uint32_t type, uint32_t df, uint32_t
> data_is_ptr, uint64_t addr, uint64_t data, uint32_t count, uint32_t size)
> "I/O=%p read type=%d df=%d ptr=%d port=%#"PRIx64" data=%#"PRIx64" count=%d
> size=%d"
> +handle_ioreq_write(void *req, uint32_t type, uint32_t df, uint32_t
> data_is_ptr, uint64_t addr, uint64_t data, uint32_t count, uint32_t size)
> "I/O=%p write type=%d df=%d ptr=%d port=%#"PRIx64" data=%#"PRIx64" count=%d
> size=%d"
> +cpu_ioreq_pio(void *req, uint32_t dir, uint32_t df, uint32_t data_is_ptr,
> uint64_t addr, uint64_t data, uint32_t count, uint32_t size) "I/O=%p pio
> dir=%d df=%d ptr=%d port=%#"PRIx64" data=%#"PRIx64" count=%d size=%d"
> +cpu_ioreq_pio_read_reg(void *req, uint64_t data, uint64_t addr, uint32_t
> size) "I/O=%p pio read reg data=%#"PRIx64" port=%#"PRIx64" size=%d"
> +cpu_ioreq_pio_write_reg(void *req, uint64_t data, uint64_t addr, uint32_t
> size) "I/O=%p pio write reg data=%#"PRIx64" port=%#"PRIx64" size=%d"
> +cpu_ioreq_move(void *req, uint32_t dir, uint32_t df, uint32_t data_is_ptr,
> uint64_t addr, uint64_t data, uint32_t count, uint32_t size) "I/O=%p copy
> dir=%d df=%d ptr=%d port=%#"PRIx64" data=%#"PRIx64" count=%d size=%d"
>
> # xen-mapcache.c
> xen_map_cache(uint64_t phys_addr) "want %#"PRIx64
> diff --git a/xen-hvm.c b/xen-hvm.c
> index 315864c..6fdba98 100644
> --- a/xen-hvm.c
> +++ b/xen-hvm.c
> @@ -832,9 +832,14 @@ static void cpu_ioreq_pio(ioreq_t *req)
> {
> uint32_t i;
>
> + trace_cpu_ioreq_pio(req, req->dir, req->df, req->data_is_ptr, req->addr,
> + req->data, req->count, req->size);
> +
> if (req->dir == IOREQ_READ) {
> if (!req->data_is_ptr) {
> req->data = do_inp(req->addr, req->size);
> + trace_cpu_ioreq_pio_read_reg(req, req->data, req->addr,
> + req->size);
> } else {
> uint32_t tmp;
>
> @@ -845,6 +850,8 @@ static void cpu_ioreq_pio(ioreq_t *req)
> }
> } else if (req->dir == IOREQ_WRITE) {
> if (!req->data_is_ptr) {
> + trace_cpu_ioreq_pio_write_reg(req, req->data, req->addr,
> + req->size);
> do_outp(req->addr, req->size, req->data);
> } else {
> for (i = 0; i < req->count; i++) {
> @@ -861,6 +868,9 @@ static void cpu_ioreq_move(ioreq_t *req)
> {
> uint32_t i;
>
> + trace_cpu_ioreq_move(req, req->dir, req->df, req->data_is_ptr, req->addr,
> + req->data, req->count, req->size);
> +
> if (!req->data_is_ptr) {
> if (req->dir == IOREQ_READ) {
> for (i = 0; i < req->count; i++) {
> @@ -933,11 +943,18 @@ static void handle_vmport_ioreq(XenIOState *state,
> ioreq_t *req)
>
> static void handle_ioreq(XenIOState *state, ioreq_t *req)
> {
> + trace_handle_ioreq(req, req->type, req->dir, req->df, req->data_is_ptr,
> + req->addr, req->data, req->count, req->size);
> +
> if (!req->data_is_ptr && (req->dir == IOREQ_WRITE) &&
> (req->size < sizeof (target_ulong))) {
> req->data &= ((target_ulong) 1 << (8 * req->size)) - 1;
> }
>
> + if (req->dir == IOREQ_WRITE)
> + trace_handle_ioreq_write(req, req->type, req->df, req->data_is_ptr,
> + req->addr, req->data, req->count,
> req->size);
> +
> switch (req->type) {
> case IOREQ_TYPE_PIO:
> cpu_ioreq_pio(req);
> @@ -977,6 +994,10 @@ static void handle_ioreq(XenIOState *state, ioreq_t *req)
> default:
> hw_error("Invalid ioreq type 0x%x\n", req->type);
> }
> + if (req->dir == IOREQ_READ) {
> + trace_handle_ioreq_read(req, req->type, req->df, req->data_is_ptr,
> + req->addr, req->data, req->count, req->size);
> + }
> }
>
> static int handle_buffered_iopage(XenIOState *state)
> --
> 1.8.4
>
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- Re: [Qemu-devel] [PATCH 1/1] xen-hvm: Add trace to ioreq,
Stefano Stabellini <=