What information is present in the samples recorded by perf record (on
which ocperf relies) ?
Manu
On 02/05/2015 05:58 PM, Andi Kleen wrote:
Harald Servat <[email protected]> writes:
is there any way to configure perf to sample memory references
through PEBS and enable the Load Latency Performance Monitoring
Facility (section 18.7.1.2 from the Intel 64 and IA-32 Architectures
Software Developer's Manual).
$ ocperf.py record -e mem_trans_retired.load_latency_gt_128 -a sleep 1
perf record -e
cpu/event=0xcd,umask=0x1,ldlat=0x80,name=mem_trans_retired_load_latency_gt_128/
-a sleep 1
[ perf record: Woken up 1 times to write data ]
[ perf record: Captured and wrote 0.438 MB perf.data (~19125 samples) ]
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