The eBPF program can be loaded multiple times with the same name (tag). We can share dso objects for those programs.
Link: http://lkml.kernel.org/n/tip-3damf8vq1dryhtpbk5b06...@git.kernel.org Signed-off-by: Jiri Olsa <jo...@kernel.org> --- tools/perf/util/machine.c | 14 +++++++++++--- 1 file changed, 11 insertions(+), 3 deletions(-) diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c index d4aa44489011..a60653827891 100644 --- a/tools/perf/util/machine.c +++ b/tools/perf/util/machine.c @@ -23,6 +23,7 @@ #include "linux/hash.h" #include "asm/bug.h" #include "bpf-event.h" +#include "dso.h" #include "sane_ctype.h" #include <symbol/kallsyms.h> @@ -699,11 +700,18 @@ static int machine__process_ksymbol_register(struct machine *machine, map = map_groups__find(&machine->kmaps, event->ksymbol_event.addr); if (!map) { - map = dso__new_map(event->ksymbol_event.name); - if (!map) + struct dso *dso; + + dso = dsos__findnew(&machine->dsos, event->ksymbol_event.name); + if (!dso) return -ENOMEM; - map->start = event->ksymbol_event.addr; + map = map__new2(event->ksymbol_event.addr, dso); + if (!map) { + dso__put(dso); + return -ENOMEM; + } + map->end = map->start + event->ksymbol_event.len; map_groups__insert(&machine->kmaps, map); } -- 2.17.2