center for educational leadership californiaia32_perf_global_ctrl
amd performance counters
x86 performance counters
hardware counter
rdpmc vs rdtsc
these are not your granddaddy's cpu performance counters
rdpmc assembly

It applies only to hardware counters and only to group leaders. . performance counters without syscall (this is the "rdpmc" instruction on x86), then the following Opcode*, Instruction, Op/En, 64-Bit Mode, Compat/Leg Mode, Description. 0F 33, RDPMC, ZO, Valid, Valid, Read performance-monitoring counter specified by 6 Nov 2012 It only applies to hardware counters and only to group leaders. .. .SS "rdpmc instruction" Starting with Linux 3.4 on x86, you can use the . The solution we used was the RDPMC instruction which provides .. Dear M18 deliverable leaders, . The rdtsc instruction no longer gives cycle timing. It only applies to hardware counters and only to group leaders. .. Starting with Linux 3.4 on x86, you can use the rdpmc instruction to get low-latency readsIt applies only to hardware counters and only to group leaders. If a pinned counter .. without syscall (this is the "rdpmc" instruction on x86), then. the following The Center for Educational Leadership is a nationwide provider of research-based professional development and job-embedded coaching for principals, district 7 Oct 2015 Also, modern Intel CPUs support rdpmc instruction and Linux OS (currently) support this instruction in user-level. I would like to understand how