Messages in this thread | | | Date | Fri, 1 Jun 2018 10:36:11 +0200 | From | Jiri Olsa <> | Subject | Re: [PATCH v2]: perf record: enable arbitrary event names thru name= modifier |
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On Thu, May 31, 2018 at 05:08:12PM +0300, Alexey Budankov wrote: > > Enable complex event names containing [.:=,] symbols to be encoded into Perf > trace using name= modifier e.g. like this: > > perf record -e cpu/name=\'OFFCORE_RESPONSE:request=DEMAND_RFO:response=L3_HIT.SNOOP_HITM\',\ > period=0x3567e0,event=0x3c,cmask=0x1/Duk ./futex > > Below is how it looks like in the report output. Please note explicit escaped > quoting at cmdline string in the header so that thestring can be directly reused > for another collection in shell: > > perf report --header > > # ======== > ... > # cmdline : /root/abudanko/kernel/tip/tools/perf/perf record -v -e cpu/name=\'OFFCORE_RESPONSE:request=DEMAND_RFO:response=L3_HIT.SNOOP_HITM\',period=0x3567e0,event=0x3c,cmask=0x1/Duk ./futex > # event : name = OFFCORE_RESPONSE:request=DEMAND_RFO:response=L3_HIT.SNOOP_HITM, , type = 4, size = 112, config = 0x100003c, { sample_period, sample_freq } = 3500000, sample_type = IP|TID|TIME, disabled = 1, inh > ... > # ======== > # > # > # Total Lost Samples: 0 > # > # Samples: 24K of event 'OFFCORE_RESPONSE:request=DEMAND_RFO:response=L3_HIT.SNOOP_HITM' > # Event count (approx.): 86492000000 > # > # Overhead Command Shared Object Symbol > # ........ ....... ................ .............................................. > # > 14.75% futex [kernel.vmlinux] [k] __entry_trampoline_start > ... > > Signed-off-by: Alexey Budankov <alexey.budankov@linux.intel.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
thanks, jirka
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