Per request from Pekka make --summary a summary only option meaning do not
show the individual system calls. Add another option to see all syscalls
along with the summary. In addition use 's' and 'S' as shortcuts for the
options.
Signed-off-by: David Ahern <dsahern@xxxxxxxxx>
Cc: Pekka Enberg <penberg@xxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Adrian Hunter <adrian.hunter@xxxxxxxxx>
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