bus/pci: reduce boot-up logs to absolute minimum

Some machines may have a lot of PCI devices and all of them are
not bound to DPDK. In such case the logs from EAL creates a lot of
clutter on boot-up, typically one needs to scroll the screen to
find other issues in boot-up.

This patch changes the following to reduce the clutter in
the default boot-up logs.

- Change the log-level of PCI probes to `debug`
- Introduce new driver probe as `info` log-level for the successful probe.

Signed-off-by: Jerin Jacob <jerinj@marvell.com>

diff --git a/drivers/bus/pci/pci_common.c b/drivers/bus/pci/pci_common.c
index 3f55420..6585a4b 100644 (file)
--- a/drivers/bus/pci/pci_common.c
+++ b/drivers/bus/pci/pci_common.c
@@ -136,7 +136,7 @@ rte_pci_probe_one_driver(struct rte_pci_driver *dr,
                /* Match of device and driver failed */
                return 1;
 
-       RTE_LOG(INFO, EAL, "PCI device "PCI_PRI_FMT" on NUMA socket %i\n",
+       RTE_LOG(DEBUG, EAL, "PCI device "PCI_PRI_FMT" on NUMA socket %i\n",
                        loc->domain, loc->bus, loc->devid, loc->function,
                        dev->device.numa_node);
 
@@ -161,7 +161,7 @@ rte_pci_probe_one_driver(struct rte_pci_driver *dr,
                return -EEXIST;
        }
 
-       RTE_LOG(INFO, EAL, "  probe driver: %x:%x %s\n", dev->id.vendor_id,
+       RTE_LOG(DEBUG, EAL, "  probe driver: %x:%x %s\n", dev->id.vendor_id,
                dev->id.device_id, dr->driver.name);
 
        /*
@@ -195,6 +195,10 @@ rte_pci_probe_one_driver(struct rte_pci_driver *dr,
                }
        }
 
+       RTE_LOG(INFO, EAL, "Probe PCI driver: %s (%x:%x) device: "PCI_PRI_FMT" (socket %i)\n",
+                       dr->driver.name, dev->id.vendor_id, dev->id.device_id,
+                       loc->domain, loc->bus, loc->devid, loc->function,
+                       dev->device.numa_node);
        /* call the driver probe() function */
        ret = dr->probe(dr, dev);
        if (already_probed)