Re: [PATCH v2 07/16] hw/block/nvme: add tracing to nvme_map_prp

[Maxim Levitsky]

On Thu, 2020-07-30 at 00:06 +0200, Klaus Jensen wrote:
> From: Klaus Jensen <k.jensen@samsung.com>
> 
> Add tracing to nvme_map_prp.
> 
> Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
> ---
>  hw/block/nvme.c       | 2 ++
>  hw/block/trace-events | 1 +
>  2 files changed, 3 insertions(+)
> 
> diff --git a/hw/block/nvme.c b/hw/block/nvme.c
> index 571635ebe9f9..952afbb05175 100644
> --- a/hw/block/nvme.c
> +++ b/hw/block/nvme.c
> @@ -274,6 +274,8 @@ static uint16_t nvme_map_prp(QEMUSGList *qsg, 
> QEMUIOVector *iov, uint64_t prp1,
>      int num_prps = (len >> n->page_bits) + 1;
>      uint16_t status;
>  
> +    trace_pci_nvme_map_prp(trans_len, len, prp1, prp2, num_prps);
> +
>      if (unlikely(!prp1)) {
>          trace_pci_nvme_err_invalid_prp();
>          return NVME_INVALID_FIELD | NVME_DNR;
> diff --git a/hw/block/trace-events b/hw/block/trace-events
> index f3b2d004e078..f20c59a4b542 100644
> --- a/hw/block/trace-events
> +++ b/hw/block/trace-events
> @@ -35,6 +35,7 @@ pci_nvme_irq_masked(void) "IRQ is masked"
>  pci_nvme_dma_read(uint64_t prp1, uint64_t prp2) "DMA read, prp1=0x%"PRIx64" 
> prp2=0x%"PRIx64""
>  pci_nvme_map_addr(uint64_t addr, uint64_t len) "addr 0x%"PRIx64" len 
> %"PRIu64""
>  pci_nvme_map_addr_cmb(uint64_t addr, uint64_t len) "addr 0x%"PRIx64" len 
> %"PRIu64""
> +pci_nvme_map_prp(uint64_t trans_len, uint32_t len, uint64_t prp1, uint64_t 
> prp2, int num_prps) "trans_len %"PRIu64" len %"PRIu32" prp1 0x%"PRIx64" prp2 
> 0x%"PRIx64" num_prps %d"
>  pci_nvme_io_cmd(uint16_t cid, uint32_t nsid, uint16_t sqid, uint8_t opcode) 
> "cid %"PRIu16" nsid %"PRIu32" sqid %"PRIu16" opc 0x%"PRIx8""
>  pci_nvme_admin_cmd(uint16_t cid, uint16_t sqid, uint8_t opcode) "cid 
> %"PRIu16" sqid %"PRIu16" opc 0x%"PRIx8""
>  pci_nvme_rw(const char *verb, uint32_t blk_count, uint64_t byte_count, 
> uint64_t lba) "%s %"PRIu32" blocks (%"PRIu64" bytes) from LBA %"PRIu64""

Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>

Best regards,
        Maxim Levitsky