how to show active PCI slot location

If you want to find out what is the slot that your current PCI ethernet card was installed.
You may just use below to find out.

[root@abc ~]# dmidecode -t slot # dmidecode 2.12 SMBIOS 2.8 present. Handle 0x0900, DMI type 9, 17 bytes System Slot Information         Designation: PCIe Slot 1         Type: x8 PCI Express 3 x16         Current Usage: Available         Length: Long         Characteristics:                 3.3 V is provided                 PME signal is supported Handle 0x0901, DMI type 9, 17 bytes System Slot Information         Designation: PCIe Slot 2         Type: x4 PCI Express 3 x16         Current Usage: In Use         Length: Long         Characteristics:                 3.3 V is provided                 PME signal is supported         Bus Address: 0000:84:00.0 Handle 0x0902, DMI type 9, 17 bytes System Slot Information         Designation: PCIe Slot 3         Type: x8 PCI Express 3 x16         Current Usage: Available         Length: Long         Characteristics:                 3.3 V is provided                 PME signal is supported Handle 0x0903, DMI type 9, 17 bytes System Slot Information         Designation: PCIe Slot 4         Type: x16 PCI Express 3         Current Usage: Available         Length: Long         Characteristics:                 3.3 V is provided                 PME signal is supported Handle 0x0904, DMI type 9, 17 bytes System Slot Information         Designation: PCIe Slot 5         Type: x8 PCI Express 3 x16         Current Usage: Available         Length: Long         Characteristics:                 3.3 V is provided                 PME signal is supported Handle 0x0905, DMI type 9, 17 bytes System Slot Information         Designation: PCIe Slot 6         Type: x8 PCI Express 3 x16         Current Usage: Available         Length: Long         Characteristics:                 3.3 V is provided                 PME signal is supported Handle 0x0906, DMI type 9, 17 bytes System Slot Information         Designation: PCIe Slot 7         Type: x8 PCI Express 3 x16         Current Usage: Available         Length: Long         Characteristics:                 3.3 V is provided                 PME signal is supported

to get more detail info

[root@abc ~]# lspci -vmm