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| author | jimharris <jimharris@FreeBSD.org> | 2012-10-10 23:35:16 +0000 |
|---|---|---|
| committer | jimharris <jimharris@FreeBSD.org> | 2012-10-10 23:35:16 +0000 |
| commit | 251b0e8a48776676b7c2ff3812b39ab5ec270783 (patch) | |
| tree | 62b67a90fd070b1a48c592b6ee5dc97c8be3489d /sys/dev/nvme/nvme_qpair.c | |
| parent | 757271a2133e07d21f479484187385dad725323e (diff) | |
| download | FreeBSD-src-251b0e8a48776676b7c2ff3812b39ab5ec270783.zip FreeBSD-src-251b0e8a48776676b7c2ff3812b39ab5ec270783.tar.gz | |
Count number of times each queue pair's interrupt handler is invoked.
Also add sysctls to query and reset each queue pair's stats, including
the new count added here.
Sponsored by: Intel
Diffstat (limited to 'sys/dev/nvme/nvme_qpair.c')
| -rw-r--r-- | sys/dev/nvme/nvme_qpair.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/sys/dev/nvme/nvme_qpair.c b/sys/dev/nvme/nvme_qpair.c index a49a702..5ad1ea8 100644 --- a/sys/dev/nvme/nvme_qpair.c +++ b/sys/dev/nvme/nvme_qpair.c @@ -125,6 +125,8 @@ nvme_qpair_process_completions(struct nvme_qpair *qpair) struct nvme_completion *cpl; boolean_t retry, error; + qpair->num_intr_handler_calls++; + while (1) { cpl = &qpair->cpl[qpair->cq_head]; @@ -238,6 +240,7 @@ nvme_qpair_construct(struct nvme_qpair *qpair, uint32_t id, NULL, NULL, &qpair->dma_tag); qpair->num_cmds = 0; + qpair->num_intr_handler_calls = 0; qpair->num_tr = 0; qpair->num_prp_list = 0; qpair->sq_head = qpair->sq_tail = qpair->cq_head = 0; |
