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. Acked-by: David Ahern <dsah...@gmail.com>