[Kernel-packages] [Bug 2033416] Re: change CONFIG_PERF_EVENTS_AMD_UNCORE from m to y

2024-01-29 Thread Sandipan Das
Its not immediately apparent from perf tool output that the "amd-uncore" module is not loaded when opening "amd_df" or "amd_l3" events fail or when they do not show up in "perf list" despite using a compatible kernel. Since the primary motivation of the commit [1] that made it possible for this to

[Kernel-packages] [Bug 2033416] Re: [SRU] change CONFIG_PERF_EVENTS_AMD_UNCORE from m to y

2024-02-02 Thread Sandipan Das
The following are some basic tests to compare results on a system before and after this change. For existing kernels built with CONFIG_PERF_EVENTS_AMD_UNCORE=m, the following will fail unless the "amd_uncore" module is loaded. For new kernels built with CONFIG_PERF_EVENTS_AMD_UNCORE=y, the followin