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authorAdrian Hunter <adrian.hunter@intel.com>2022-05-17 16:10:06 +0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2022-05-23 16:18:06 +0300
commita088031c4998297c86a06d925cc0f38508205950 (patch)
tree92dd5cccf3a4c3a6484193f23fe3a98a85e5bf6d /tools/perf/util
parent67322d13fe3043c81b54b7efa919b800e3d4374a (diff)
downloadlinux-a088031c4998297c86a06d925cc0f38508205950.tar.xz
perf tools: Add machine to machines back pointer
When dealing with guest machines, it can be necessary to get a reference to the host machine. Add a machines pointer to struct machine to make that possible. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Ian Rogers <irogers@google.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Leo Yan <leo.yan@linaro.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: kvm@vger.kernel.org Link: https://lore.kernel.org/r/20220517131011.6117-2-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util')
-rw-r--r--tools/perf/util/machine.c2
-rw-r--r--tools/perf/util/machine.h2
2 files changed, 4 insertions, 0 deletions
diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c
index 95391236f5f6..e96f6ea4fd82 100644
--- a/tools/perf/util/machine.c
+++ b/tools/perf/util/machine.c
@@ -299,6 +299,8 @@ struct machine *machines__add(struct machines *machines, pid_t pid,
rb_link_node(&machine->rb_node, parent, p);
rb_insert_color_cached(&machine->rb_node, &machines->guests, leftmost);
+ machine->machines = machines;
+
return machine;
}
diff --git a/tools/perf/util/machine.h b/tools/perf/util/machine.h
index 2b9fb34a38ca..a5e479b8df5b 100644
--- a/tools/perf/util/machine.h
+++ b/tools/perf/util/machine.h
@@ -18,6 +18,7 @@ struct symbol;
struct target;
struct thread;
union perf_event;
+struct machines;
/* Native host kernel uses -1 as pid index in machine */
#define HOST_KERNEL_ID (-1)
@@ -59,6 +60,7 @@ struct machine {
void *priv;
u64 db_id;
};
+ struct machines *machines;
bool trampolines_mapped;
};