data-profiler

Description

A data profiler maintains one counter for every interval of addresses that differ only in the last granularity bits. This is used for various profiling tasks, for example counting the number of cache misses in each of the intervals.

Interfaces Implemented

conf_object, log_object, data_profiler, address_profiler

Notifiers

cell-change: Notifier that is triggered after the object's cell was changed.
object-delete: Notifier that is triggered just before Simics object is deleted.
queue-change: Notifier that is triggered after the object's clock was changed. New clock can be obtained with the SIM_object_clock function.

Commands for interface data_profiler

clear – clear data profiler

Commands for interface address_profiler

address-profile-data – linear map of address profiling data
address-profile-info – general info about an address profiler
address-profile-toplist – print toplist of address profiling data

Attributes

physical_addresses: Pseudo attribute; read/write access; type: i
True if the profiler uses physical addresses, false if it uses virtual addresses.
description: Pseudo attribute; read/write access; type: s
Description of what data the profiler represents
counter: Pseudo attribute; read/write access; type: Unknown
Access the counter at an address.
granularity: Pseudo attribute; read/write access; type: i
Granularity of the profiler, in address bits.
data: Pseudo attribute; read-only access; type: [[ii]*]
list of (address, counter) pairs

Provided By

Simics Core