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

Jiri Olsa
2020-09-13T21:05:45Z

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 <jolsa@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