conexant hd audio driver windows 10 problem

The source code of read_count is as below. The RDPMC issue was also introduced since commit b8241d20699e Patch 2-4 fixed the issue in x86_pmu_read.īesides the two issues, the userspace RDPMC usage is broken for large ('perf/x86/intel: Implement batched PEBS interrupt handling (large PEBS The second issue was introduced since commit b8241d20699e Patch 1 fixed the issue in x86_perf_event_update. Since commit 851559e35fd5 ('perf/x86/intel: Use the PEBS auto reload The first issue was introduced with the auto-reload mechanism enabled In x86_pmu_read, it doesn't count the undrained values in large PEBS Take the auto-reload values into account. In x86_perf_event_update, the calculation of event->count does not There is a bug when mmap read event->count with large PEBS enabled. New patch to disable userspace RDPMC usage if large PEBS is enabled. Introduce a special purpose intel_pmu_save_and_restart() Check PERF_X86_EVENT_AUTO_RELOAD before call Added WARN to handle reload_times = 0 || reload_val = 0 Modified the parameter of intel_pmu_save_and_restart_reload() Handled the corner case when reload_times = 0.

The previous generic PEBS read function is confusing.ĭisabled PMU in pmu::read() path for large PEBS. Introduced specific read function for large PEBS. Introduce specific read function for auto-reload event, not just Based on Peter's patch, specially handle case A. Apply Peter's patch to fix event update for auto-reload event To: peterz, mingo, linux-kernel +Cc: acme, tglx, jolsa, eranian, ak, Kan Liang ` (4 more replies) 0 siblings, 5 replies 27+ messages in thread 22:20 ` perf/x86/intel: Fix event update for auto-reload kan.liang

Bugs fix for auto-reload mmap read and rdpmc read All of help / color / mirror / Atom feed * bugs fix for auto-reload mmap read and rdpmc read 22:20 kan.liang

Conexant hd audio driver windows 10 problem