subject:"\[PATCH\] \[PATCH v2\] perf\: Modify MAX_NR_CPUS and MAX_CACHES"

Re: [PATCH] [PATCH v2] perf: Modify MAX_NR_CPUS and MAX_CACHES

2019-07-17 Thread Jiri Olsa

On Fri, Jun 28, 2019 at 10:35:55AM -0500, Kyle Meyer wrote: > Perf surpasses the limit of MAX_NR_CPUS and MAX_CACHES while attempting to > profile 1024 or more CPUs. Increase and/or make each limit dynamic to > regain normal functionality. > > Before: > perf record -a > [ perf record:

[PATCH] [PATCH v2] perf: Modify MAX_NR_CPUS and MAX_CACHES

2019-06-28 Thread Kyle Meyer

Perf surpasses the limit of MAX_NR_CPUS and MAX_CACHES while attempting to profile 1024 or more CPUs. Increase and/or make each limit dynamic to regain normal functionality. Before: perf record -a [ perf record: Woken up X times to write data ] way too many cpu caches..