It is a memory profiling tool on linux for a performance tuning. It measures memory performance like L1/L2 cache/TLB miss, and so on using by the hardware performance monitoring counters of Pentium 4. (PEBS) It has a linux kernel patch, a command (ebs), a
Version 2.5.5, 2003-06-15
- Updates for driver model changes in kernel 2.5.71.
- Minor updates to the library's event descriptions for Pentium 4.
- Now supports SuSE's 2.4.19.SuSE-206 kernel for SLES 8 users.
Autodetection of SuSE kernel versions is not yet implemented:
pass "--patch=2.4.19.SuSE-206" to perfctr's update-kernel script
to ensure that the correct patch is applied.
- Patch kit updates for 2.4.21 final and 2.4.20-18 RH kernels.