[PATCH 21/26] perf tools: Add machine__for_each_dso function

[Jiri Olsa]

Adding machine__for_each_dso to iterate over all dso
objects defined for the within the machine. It will
be used in following changes.

Signed-off-by: Jiri Olsa <jo...@kernel.org>
---
 tools/perf/util/machine.c | 12 ++++++++++++
 tools/perf/util/machine.h |  4 ++++
 2 files changed, 16 insertions(+)

diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c
index 863d949ef967..f8e8d0d80847 100644
--- a/tools/perf/util/machine.c
+++ b/tools/perf/util/machine.c
@@ -3181,3 +3181,15 @@ char *machine__resolve_kernel_addr(void *vmachine, 
unsigned long long *addrp, ch
        *addrp = map->unmap_ip(map, sym->start);
        return sym->name;
 }
+
+int machine__for_each_dso(struct machine *machine, machine__dso_t fn, void 
*priv)
+{
+       struct dso *pos;
+       int err = 0;
+
+       list_for_each_entry(pos, &machine->dsos.head, node) {
+               if (fn(pos, machine, priv))
+                       err = -1;
+       }
+       return err;
+}
diff --git a/tools/perf/util/machine.h b/tools/perf/util/machine.h
index a3c1d0bf89e5..504c707f22bb 100644
--- a/tools/perf/util/machine.h
+++ b/tools/perf/util/machine.h
@@ -252,6 +252,10 @@ void machines__destroy_kernel_maps(struct machines 
*machines);
 
 size_t machine__fprintf_vmlinux_path(struct machine *machine, FILE *fp);
 
+typedef int (*machine__dso_t)(struct dso *dso, struct machine *machine, void 
*priv);
+
+int machine__for_each_dso(struct machine *machine, machine__dso_t fn,
+                         void *priv);
 int machine__for_each_thread(struct machine *machine,
                             int (*fn)(struct thread *thread, void *p),
                             void *priv);
-- 
2.26.2