Commit a088031c authored by Adrian Hunter's avatar Adrian Hunter Committed by Arnaldo Carvalho de Melo
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perf tools: Add machine to machines back pointer 



When dealing with guest machines, it can be necessary to get a reference
to the host machine. Add a machines pointer to struct machine to make that
possible.

Signed-off-by: default avatarAdrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: kvm@vger.kernel.org
Link: https://lore.kernel.org/r/20220517131011.6117-2-adrian.hunter@intel.com


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 67322d13

tools/perf/util/machine.c

+2 −0
Original line number Diff line number Diff line
@@ -299,6 +299,8 @@ struct machine *machines__add(struct machines *machines, pid_t pid, 
	rb_link_node(&machine->rb_node, parent, p);

	rb_insert_color_cached(&machine->rb_node, &machines->guests, leftmost);



	machine->machines = machines;



	return machine;

}

tools/perf/util/machine.h

+2 −0
Original line number Diff line number Diff line
@@ -18,6 +18,7 @@ struct symbol; 
struct target;

struct thread;

union perf_event;

struct machines;



/* Native host kernel uses -1 as pid index in machine */

#define	HOST_KERNEL_ID			(-1)
@@ -59,6 +60,7 @@ struct machine { 
		void	  *priv;

		u64	  db_id;

	};

	struct machines   *machines;

	bool		  trampolines_mapped;

};