On Tue, Jul 11, 2017 at 6:39 PM, David Ahern <dsah...@gmail.com> wrote: > On 7/11/17 5:52 PM, David Carrillo-Cisneros wrote: > ... >> (This is a rebased and updated version of Stephane Eranian's version >> in https://patchwork.kernel.org/patch/1499081/) > > ... >> With this series, it is possible to get: >> $ perf record -o - -e cycles sleep 1 | perf report --stdio --header >> # ======== >> # captured on: Mon May 22 16:33:43 2017 >> # ======== >> # >> # hostname : my_hostname >> # os release : 4.11.0-dbx-up_perf >> # perf version : 4.11.rc6.g6277c80 >> # arch : x86_64 >> # nrcpus online : 72 >> # nrcpus avail : 72 >> # cpudesc : Intel(R) Xeon(R) CPU E5-2696 v3 @ 2.30GHz >> # cpuid : GenuineIntel,6,63,2 >> # total memory : 263457192 kB >> # cmdline : /root/perf record -e cycles sleep 1 >> # event : name = cycles, , size = 112, { sample_period, sample_freq } = >> 4000, sample_type = IP|TID|TIME|PERIOD, disabled = 1, inherit = 1, mmap = 1, >> comm = 1, freq = 1, enable_on_exec = 1, task = 1, sample_id_all = 1, >> exclude_guest = 1, mmap2 = 1, comm_exec = 1 >> # CPU_TOPOLOGY info available, use -I to display >> # NUMA_TOPOLOGY info available, use -I to display >> # pmu mappings: intel_bts = 6, cpu = 4, msr = 49, uncore_cbox_10 = 36, >> [SNIP] >> [ perf record: Woken up 1 times to write data ] >> [ perf record: Captured and wrote 0.000 MB - ] >> ... > > I like it; much needed functionality.
Great to read! Hopefully v6 will make it. David