Add short cut options to print PT call trace and call-ret-trace, for
calls and call and returns. Roughly corresponds to ftrace function
tracer and function graph tracer.

Just makes these common use cases nicer to use.

% perf record -a -e intel_pt// sleep 1
% perf script --call-trace
	    perf   900 [000] 194167.205652203: ([kernel.kallsyms])          perf_pmu_enable
            perf   900 [000] 194167.205652203: ([kernel.kallsyms])          __x86_indirect_thunk_rax
            perf   900 [000] 194167.205652203: ([kernel.kallsyms])          event_filter_match
            perf   900 [000] 194167.205652203: ([kernel.kallsyms])          group_sched_in
            perf   900 [000] 194167.205652203: ([kernel.kallsyms])              __x86_indirect_thunk_rax
            perf   900 [000] 194167.205652203: ([kernel.kallsyms])              event_sched_in.isra.107
            perf   900 [000] 194167.205652203: ([kernel.kallsyms])                  perf_event_set_state.part.71
            perf   900 [000] 194167.205652203: ([kernel.kallsyms])                      perf_event_update_time
            perf   900 [000] 194167.205652203: ([kernel.kallsyms])                  perf_pmu_disable
            perf   900 [000] 194167.205652203: ([kernel.kallsyms])                  perf_log_itrace_start
            perf   900 [000] 194167.205652203: ([kernel.kallsyms])                  __x86_indirect_thunk_rax
            perf   900 [000] 194167.205652203: ([kernel.kallsyms])                      perf_event_update_userpage

% perf script --call-ret-trace
	    perf   900 [000] 194167.205652203:   tr strt     ([unknown])        pt_config
            perf   900 [000] 194167.205652203:   return      ([kernel.kallsyms])            pt_config
            perf   900 [000] 194167.205652203:   return      ([kernel.kallsyms])            pt_event_add
            perf   900 [000] 194167.205652203:   call        ([kernel.kallsyms])            perf_pmu_enable
            perf   900 [000] 194167.205652203:   return      ([kernel.kallsyms])            perf_pmu_nop_void
            perf   900 [000] 194167.205652203:   return      ([kernel.kallsyms])            event_sched_in.isra.107
            perf   900 [000] 194167.205652203:   call        ([kernel.kallsyms])            __x86_indirect_thunk_rax
            perf   900 [000] 194167.205652203:   return      ([kernel.kallsyms])            perf_pmu_nop_int
            perf   900 [000] 194167.205652203:   return      ([kernel.kallsyms])            group_sched_in
            perf   900 [000] 194167.205652203:   call        ([kernel.kallsyms])            event_filter_match
            perf   900 [000] 194167.205652203:   return      ([kernel.kallsyms])            event_filter_match
            perf   900 [000] 194167.205652203:   call        ([kernel.kallsyms])            group_sched_in
            perf   900 [000] 194167.205652203:   call        ([kernel.kallsyms])                __x86_indirect_thunk_rax
            perf   900 [000] 194167.205652203:   return      ([kernel.kallsyms])                perf_pmu_nop_txn
            perf   900 [000] 194167.205652203:   call        ([kernel.kallsyms])                event_sched_in.isra.107
            perf   900 [000] 194167.205652203:   call        ([kernel.kallsyms])                    perf_event_set_state.part.71
Signed-off-by: NAndi Kleen <ak@linux.intel.com>
Tested-by: NArnaldo Carvalho de Melo <acme@redhat.com>
Tested-by: NLeo Yan <leo.yan@linaro.org>
Acked-by: NJiri Olsa <jolsa@kernel.org>
Cc: Kim Phillips <kim.phillips@arm.com>
Link: http://lkml.kernel.org/r/20180920180540.14039-4-andi@firstfloor.orgSigned-off-by: NArnaldo Carvalho de Melo <acme@redhat.com>