vCenter Server logs are grouped by component and purpose:
vpxd.log: The main vCenter Server log, consisting of all vSphere Client and WebServices connections, internal tasks and events, and communication with the vCenter Server Agent (vpxa) on managed ESXi/ESX hosts.
vpxd-profiler.log, profiler.log, and scoreboard.log: Profiled metrics for operations performed in vCenter Server. Used by the VPX Operational Dashboard (VOD) accessible at https://VCHostnameOrIPAddress/vod/index.html.
vpxd-alert.log: Non-fatal information logged about the vpxd process.
cim-diag.log and vws.log: Common Information Model monitoring information, including communication between vCenter Server and managed hosts’ CIM interface.
drmdump\: Actions proposed and taken by VMware Distributed Resource Scheduler (DRS), grouped by the DRS-enabled cluster managed by vCenter Server. These logs are compressed.
ls.log: Health reports for the Licensing Services extension, connectivity logs to vCenter Server.
vimtool.log: Dump of string used during the installation of vCenter Server with hashed information for DNS, username and output for JDBC creation.
stats.log: Provides information about the historical performance data collection from the ESXi/ESX hosts
sms.log: Health reports for the Storage Monitoring Service extension, connectivity logs to vCenter Server, the vCenter Server database and the xDB for vCenter Inventory Service.
eam.log: Health reports for the ESX Agent Monitor extension, connectivity logs to vCenter Server.
catalina.date.log and localhost.date.log: Connectivity information and status of the VMware Webmanagement Services.
jointool.log: Health status of the VMwareVCMSDS service and individual ADAM database objects, internal tasks and events, and replication logs between linked-mode vCenter Servers.
For More info GO to >> Location of log files for VMware products