perf stat: Add --interval-clear option
Adding --interval-clear option to clear the screen before next interval. Committer testing: # perf stat -I 1000 --interval-clear And, as expected, it behaves almost like: # watch -n 0 perf stat -a sleep 1 Signed-off-by:Jiri Olsa <jolsa@kernel.org> Tested-by:
Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <frederic@kernel.org> Cc: Milian Wolff <milian.wolff@kdab.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/r/20180606221513.11302-4-jolsa@kernel.org Signed-off-by:
Arnaldo Carvalho de Melo <acme@redhat.com>
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