From 8d81ef34b249109084b2f3c4bb826d0417ef5814 Mon Sep 17 00:00:00 2001 From: Vipul Pandya Date: Fri, 18 May 2012 15:29:27 +0530 Subject: RDMA/cxgb4: Add debugfs RDMA memory stats Signed-off-by: Vipul Pandya Signed-off-by: Steve Wise Signed-off-by: Roland Dreier --- drivers/infiniband/hw/cxgb4/resource.c | 44 ++++++++++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) (limited to 'drivers/infiniband/hw/cxgb4/resource.c') diff --git a/drivers/infiniband/hw/cxgb4/resource.c b/drivers/infiniband/hw/cxgb4/resource.c index 407ff3924150..1b948d192d32 100644 --- a/drivers/infiniband/hw/cxgb4/resource.c +++ b/drivers/infiniband/hw/cxgb4/resource.c @@ -185,6 +185,9 @@ u32 c4iw_get_cqid(struct c4iw_rdev *rdev, struct c4iw_dev_ucontext *uctx) &rdev->resource.qid_fifo_lock); if (!qid) goto out; + mutex_lock(&rdev->stats.lock); + rdev->stats.qid.cur += rdev->qpmask + 1; + mutex_unlock(&rdev->stats.lock); for (i = qid+1; i & rdev->qpmask; i++) { entry = kmalloc(sizeof *entry, GFP_KERNEL); if (!entry) @@ -213,6 +216,10 @@ u32 c4iw_get_cqid(struct c4iw_rdev *rdev, struct c4iw_dev_ucontext *uctx) out: mutex_unlock(&uctx->lock); PDBG("%s qid 0x%x\n", __func__, qid); + mutex_lock(&rdev->stats.lock); + if (rdev->stats.qid.cur > rdev->stats.qid.max) + rdev->stats.qid.max = rdev->stats.qid.cur; + mutex_unlock(&rdev->stats.lock); return qid; } @@ -249,6 +256,9 @@ u32 c4iw_get_qpid(struct c4iw_rdev *rdev, struct c4iw_dev_ucontext *uctx) &rdev->resource.qid_fifo_lock); if (!qid) goto out; + mutex_lock(&rdev->stats.lock); + rdev->stats.qid.cur += rdev->qpmask + 1; + mutex_unlock(&rdev->stats.lock); for (i = qid+1; i & rdev->qpmask; i++) { entry = kmalloc(sizeof *entry, GFP_KERNEL); if (!entry) @@ -277,6 +287,10 @@ u32 c4iw_get_qpid(struct c4iw_rdev *rdev, struct c4iw_dev_ucontext *uctx) out: mutex_unlock(&uctx->lock); PDBG("%s qid 0x%x\n", __func__, qid); + mutex_lock(&rdev->stats.lock); + if (rdev->stats.qid.cur > rdev->stats.qid.max) + rdev->stats.qid.max = rdev->stats.qid.cur; + mutex_unlock(&rdev->stats.lock); return qid; } @@ -315,12 +329,22 @@ u32 c4iw_pblpool_alloc(struct c4iw_rdev *rdev, int size) if (!addr) printk_ratelimited(KERN_WARNING MOD "%s: Out of PBL memory\n", pci_name(rdev->lldi.pdev)); + if (addr) { + mutex_lock(&rdev->stats.lock); + rdev->stats.pbl.cur += roundup(size, 1 << MIN_PBL_SHIFT); + if (rdev->stats.pbl.cur > rdev->stats.pbl.max) + rdev->stats.pbl.max = rdev->stats.pbl.cur; + mutex_unlock(&rdev->stats.lock); + } return (u32)addr; } void c4iw_pblpool_free(struct c4iw_rdev *rdev, u32 addr, int size) { PDBG("%s addr 0x%x size %d\n", __func__, addr, size); + mutex_lock(&rdev->stats.lock); + rdev->stats.pbl.cur -= roundup(size, 1 << MIN_PBL_SHIFT); + mutex_unlock(&rdev->stats.lock); gen_pool_free(rdev->pbl_pool, (unsigned long)addr, size); } @@ -377,12 +401,22 @@ u32 c4iw_rqtpool_alloc(struct c4iw_rdev *rdev, int size) if (!addr) printk_ratelimited(KERN_WARNING MOD "%s: Out of RQT memory\n", pci_name(rdev->lldi.pdev)); + if (addr) { + mutex_lock(&rdev->stats.lock); + rdev->stats.rqt.cur += roundup(size << 6, 1 << MIN_RQT_SHIFT); + if (rdev->stats.rqt.cur > rdev->stats.rqt.max) + rdev->stats.rqt.max = rdev->stats.rqt.cur; + mutex_unlock(&rdev->stats.lock); + } return (u32)addr; } void c4iw_rqtpool_free(struct c4iw_rdev *rdev, u32 addr, int size) { PDBG("%s addr 0x%x size %d\n", __func__, addr, size << 6); + mutex_lock(&rdev->stats.lock); + rdev->stats.rqt.cur -= roundup(size << 6, 1 << MIN_RQT_SHIFT); + mutex_unlock(&rdev->stats.lock); gen_pool_free(rdev->rqt_pool, (unsigned long)addr, size << 6); } @@ -433,12 +467,22 @@ u32 c4iw_ocqp_pool_alloc(struct c4iw_rdev *rdev, int size) { unsigned long addr = gen_pool_alloc(rdev->ocqp_pool, size); PDBG("%s addr 0x%x size %d\n", __func__, (u32)addr, size); + if (addr) { + mutex_lock(&rdev->stats.lock); + rdev->stats.ocqp.cur += roundup(size, 1 << MIN_OCQP_SHIFT); + if (rdev->stats.ocqp.cur > rdev->stats.ocqp.max) + rdev->stats.ocqp.max = rdev->stats.ocqp.cur; + mutex_unlock(&rdev->stats.lock); + } return (u32)addr; } void c4iw_ocqp_pool_free(struct c4iw_rdev *rdev, u32 addr, int size) { PDBG("%s addr 0x%x size %d\n", __func__, addr, size); + mutex_lock(&rdev->stats.lock); + rdev->stats.ocqp.cur -= roundup(size, 1 << MIN_OCQP_SHIFT); + mutex_unlock(&rdev->stats.lock); gen_pool_free(rdev->ocqp_pool, (unsigned long)addr, size); } -- cgit v1.2.3-59-g8ed1b