Commit 8529f2e6 authored by Jiri Olsa's avatar Jiri Olsa Committed by Arnaldo Carvalho de Melo
Browse files

perf machine: Keep zero in pgoff BPF map 



With pgoff set to zero, the map__map_ip function will return BPF
addresses based from 0, which is what we need when we read the data from
a BPF DSO.

Adding BPF symbols with mapped IP addresses as well.

Signed-off-by: default avatarJiri Olsa <jolsa@kernel.org>
Acked-by: default avatarSong Liu <songliubraving@fb.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stanislav Fomichev <sdf@google.com>
Link: http://lkml.kernel.org/r/20190508132010.14512-7-jolsa@kernel.org


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent a2d8a158

tools/perf/util/machine.c

+2 −2
Original line number Diff line number Diff line
@@ -704,12 +704,12 @@ static int machine__process_ksymbol_register(struct machine *machine, 
			return -ENOMEM;



		map->start = event->ksymbol_event.addr;

		map->pgoff = map->start;

		map->end = map->start + event->ksymbol_event.len;

		map_groups__insert(&machine->kmaps, map);

	}



	sym = symbol__new(event->ksymbol_event.addr, event->ksymbol_event.len,

	sym = symbol__new(map->map_ip(map, map->start),

			  event->ksymbol_event.len,

			  0, 0, event->ksymbol_event.name);

	if (!sym)

		return -ENOMEM;