perf tools: Reconstruct hw cache event with modifiers from perf_event_attr

  [root@sandy ~]# perf record -a -e dTLB-load-misses:u usleep 1
  [ perf record: Woken up 1 times to write data ]
  [ perf record: Captured and wrote 0.486 MB perf.data (~21216 samples) ]

Before:

  [root@sandy ~]# perf evlist
  dTLB-load-misses
  [root@sandy ~]#

After:

  [root@sandy ~]# perf evlist
  dTLB-load-misses:u
  [root@sandy ~]#

Ditto for other tools.

Cc: David Ahern <[email protected]>
Cc: Frederic Weisbecker <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: Mike Galbraith <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Paul Mackerras <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Stephane Eranian <[email protected]>
Link: http://lkml.kernel.org/n/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>

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