Cycles, Execution, Dcache – HP XC System 3.x Software User Manual
Page 99: Icache, Cpu ipc fpc cycles execution dcache icache
NOTE:
AMD does not provide code-usable names for AMD Opteron processor events. In
addition, the names listed in this section are used for single-core and dual-core AMD Opteron
processors and may differ slightly from the event names used for native quad-core AMD Opteron
processors.
CPU
Displays the following CPU utilization percentages from the /proc/stat file:
•
Idle
: CPU utilization for idle cycles
•
System
: CPU utilization for system processes
•
User
: CPU utilization for user processes
IPC
Displays retired instructions per cycle.
FPC
Displays floating point operations retired per cycle.
Cycles
Displays the following statistics per unhalted clock cycle:
•
Far Transfer Resync
: DISPATCH_STALL_FAR_TRANSFER
•
Waiting for All quiet
: DISPATCH_STALL_QUIET_WAIT
•
Segment Load
: DISPATCH_STALL_SEG_LOAD
•
Serialization
: DISPATCH_STALL_SERIALIZATION
•
Branch Abort to Retire
: DISPATCH_STALL_FROM_BRANCH_ABORT
•
LS Full
: DISPATCH_STALL_LS
•
FPU Full
: DISPATCH_STALL_FPU
•
Reservation Station Full
: DISPATCH_STALL_RESERVE_STATION
•
Reorder Buffer Full
: RDISPATCH_STALL_EORDER_BUFFER
Execution
Displays the following events per unhalted instruction:
•
Dispatch Stalls
: DISPATCH_STALLS
•
Decoder Empty
: DECODER_EMPTY
•
Dispatching
: Unhalted Cycles - DISPATCH_STALLS - DECODER_EMPTY
Dcache
Displays the following types of data cache misses per retired instruction:
•
Retired Instructions
: Retired instructions (100%)
•
L1D Misses
: DATA_CACHE_REFILLS_FROM_L2_ALL
•
L2D Misses
: DATA_CACHE_REFILLS_FROM_LS_FROM.SYSTEM
•
Misses
: DATA_CACHE_MISSES
•
Dcache Fetches
: DATA_CACHE_FETCHES
Icache
Displays the following types of instruction cache misses per retired instruction:
•
Retired Instructions
: Retired instructions (100%)
•
L1I Misses
: ICACHE_REFILLS_FROM_SYSTEM
Viewing xperf and xcxperf Displays
99