[tip:perf/core] perf machine: Keep zero in pgoff BPF map

[tip-bot for Jiri Olsa]

Commit-ID:  8529f2e67313fb623da7ce81bc14cf12ccc0e12f
Gitweb:     https://git.kernel.org/tip/8529f2e67313fb623da7ce81bc14cf12ccc0e12f
Author:     Jiri Olsa <jolsa@xxxxxxxxxx>
AuthorDate: Wed, 8 May 2019 15:20:04 +0200
Committer:  Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Tue, 28 May 2019 18:37:42 -0300

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: Jiri Olsa <jolsa@xxxxxxxxxx>
Acked-by: Song Liu <songliubraving@xxxxxx>
Cc: Adrian Hunter <adrian.hunter@xxxxxxxxx>
Cc: Alexander Shishkin <alexander.shishkin@xxxxxxxxxxxxxxx>
Cc: Andi Kleen <ak@xxxxxxxxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Stanislav Fomichev <sdf@xxxxxxxxxx>
Link: http://lkml.kernel.org/r/20190508132010.14512-7-jolsa@xxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
 tools/perf/util/machine.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c
index dc7aafe45a2b..f5569f005cf3 100644
--- a/tools/perf/util/machine.c
+++ b/tools/perf/util/machine.c
@@ -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;