Hello Right now I am interested in profiling memory accesses. So far I have used perf mem record (perf mem record -W -d -e "cpu/mem-loads/pp") and then perf mem report to get information about the address being accessed, the access latency and the type of access such as l1,l2,l3 and remote hit or miss. This information would correspon to the fields "Local", "Weight, "Memory access" and "Data symbol" that are shown by the default in perf mem report.
I need to move to solution that shows the sampled information right as it is retrived from the hardware without user intervention, just like perf top does. Howewer, it seems that perf top does not show such information with memory access sampling, I have tried doiing the following : I started trying to run perf mem record -W -d -e "cpu/mem-loads/pp" but then I realized that perf top does not support the -d and -W option in the same way perf record does, what I did was changing the top struct in the cmd_top functions more specifically the top.record_opts.sample_address and top.record_opts.sample_weight fields but the required information is still not shown. The question is whether you know if perf top is capable in any way of showing the same information that perf mem report shows even if some tweaks are necessary. Kind regards... Daniel Ortiz -- To unsubscribe from this list: send the line "unsubscribe linux-perf-users" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
