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IB/cm: Add basic performance counters

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Add performance/debug counters to track sent/received messages, retries,
and duplicates.  Counters are tracked per CM message type, per port.

The counters are always enabled, so intrusive state tracking is not done.

Signed-off-by: Sean Hefty <sean.hefty@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
This commit is contained in:
Sean Hefty
2007-07-16 21:49:35 -07:00
committed by Roland Dreier
parent 4fc8cd4919
commit 9af57b7a27
2 changed files with 303 additions and 40 deletions
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drivers/infiniband/core/cm.c
+288 -18
View File
File diff suppressed because it is too large Load Diff
drivers/infiniband/core/ucm.c
+15 -22
View File
@@ -106,6 +106,9 @@ enum {
IB_UCM_MAX_DEVICES = 32
};
/* ib_cm and ib_user_cm modules share /sys/class/infiniband_cm */
extern struct class cm_class;
#define IB_UCM_BASE_DEV MKDEV(IB_UCM_MAJOR, IB_UCM_BASE_MINOR)
static void ib_ucm_add_one(struct ib_device *device);
@@ -1199,7 +1202,7 @@ static int ib_ucm_close(struct inode *inode, struct file *filp)
return 0;
}
static void ib_ucm_release_class_dev(struct class_device *class_dev)
static void ucm_release_class_dev(struct class_device *class_dev)
{
struct ib_ucm_device *dev;
@@ -1217,11 +1220,6 @@ static const struct file_operations ucm_fops = {
.poll = ib_ucm_poll,
};
static struct class ucm_class = {
.name = "infiniband_cm",
.release = ib_ucm_release_class_dev
};
static ssize_t show_ibdev(struct class_device *class_dev, char *buf)
{
struct ib_ucm_device *dev;
@@ -1257,9 +1255,10 @@ static void ib_ucm_add_one(struct ib_device *device)
if (cdev_add(&ucm_dev->dev, IB_UCM_BASE_DEV + ucm_dev->devnum, 1))
goto err;
ucm_dev->class_dev.class = &ucm_class;
ucm_dev->class_dev.class = &cm_class;
ucm_dev->class_dev.dev = device->dma_device;
ucm_dev->class_dev.devt = ucm_dev->dev.dev;
ucm_dev->class_dev.release = ucm_release_class_dev;
snprintf(ucm_dev->class_dev.class_id, BUS_ID_SIZE, "ucm%d",
ucm_dev->devnum);
if (class_device_register(&ucm_dev->class_dev))
@@ -1306,40 +1305,34 @@ static int __init ib_ucm_init(void)
"infiniband_cm");
if (ret) {
printk(KERN_ERR "ucm: couldn't register device number\n");
goto err;
goto error1;
}
ret = class_register(&ucm_class);
if (ret) {
printk(KERN_ERR "ucm: couldn't create class infiniband_cm\n");
goto err_chrdev;
}
ret = class_create_file(&ucm_class, &class_attr_abi_version);
ret = class_create_file(&cm_class, &class_attr_abi_version);
if (ret) {
printk(KERN_ERR "ucm: couldn't create abi_version attribute\n");
goto err_class;
goto error2;
}
ret = ib_register_client(&ucm_client);
if (ret) {
printk(KERN_ERR "ucm: couldn't register client\n");
goto err_class;
goto error3;
}
return 0;
err_class:
class_unregister(&ucm_class);
err_chrdev:
error3:
class_remove_file(&cm_class, &class_attr_abi_version);
error2:
unregister_chrdev_region(IB_UCM_BASE_DEV, IB_UCM_MAX_DEVICES);
err:
error1:
return ret;
}
static void __exit ib_ucm_cleanup(void)
{
ib_unregister_client(&ucm_client);
class_unregister(&ucm_class);
class_remove_file(&cm_class, &class_attr_abi_version);
unregister_chrdev_region(IB_UCM_BASE_DEV, IB_UCM_MAX_DEVICES);
idr_destroy(&ctx_id_table);
}