• Linus Torvalds's avatar
    Merge tag 'perf-core-2020-10-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip · 3bff6112
    Linus Torvalds authored
    Pull performance events updates from Ingo Molnar:
     "x86 Intel updates:
    
       - Add Jasper Lake support
    
       - Add support for TopDown metrics on Ice Lake
    
       - Fix Ice Lake & Tiger Lake uncore support, add Snow Ridge support
    
       - Add a PCI sub driver to support uncore PMUs where the PCI resources
         have been claimed already - extending the range of supported
         systems.
    
      x86 AMD updates:
    
       - Restore 'perf stat -a' behaviour to program the uncore PMU to count
         all CPU threads.
    
       - Fix setting the proper count when sampling Large Increment per
         Cycle events / 'paired' events.
    
       - Fix IBS Fetch sampling on F17h and some other IBS fine tuning,
         greatly reducing the number of interrupts when large sample periods
         are specified.
    
       - Extends Family 17h RAPL support to also work on compatible F19h
         machines.
    
      Core code updates:
    
       - Fix race in perf_mmap_close()
    
       - Add PERF_EV_CAP_SIBLI...
    3bff6112
msr-index.h 34.3 KB