perf kvm: Parse address location for samples

Parse address location for samples and save it into the structure
'perf_kvm_stat', it is to be used by histograms entry.

Reviewed-by: James Clark <[email protected]>
Signed-off-by: Leo Yan <[email protected]>
Cc: Adrian Hunter <[email protected]>
Cc: Alexander Shishkin <[email protected]>
Cc: Ian Rogers <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: John Garry <[email protected]>
Cc: Mark Rutland <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: [email protected]
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>

2 files changed, 9 insertions, 0 deletions

diff --git a/tools/perf/builtin-kvm.c b/tools/perf/builtin-kvm.c
index ef502c19bc40..17a8219a702a 100644
--- a/tools/perf/builtin-kvm.c
+++ b/tools/perf/builtin-kvm.c
@@ -706,6 +706,11 @@ static int process_sample_event(struct perf_tool *tool,
 	if (skip_sample(kvm, sample))
 		return 0;
 
+	if (machine__resolve(machine, &kvm->al, sample) < 0) {
+		pr_warning("Fail to resolve address location, skip sample.\n");
+		return 0;
+	}
+
 	thread = machine__findnew_thread(machine, sample->pid, sample->tid);
 	if (thread == NULL) {
 		pr_debug("problem processing %d event, skipping it.\n",
diff --git a/tools/perf/util/kvm-stat.h b/tools/perf/util/kvm-stat.h
index e2c17662bac7..3b2eab91a9be 100644
--- a/tools/perf/util/kvm-stat.h
+++ b/tools/perf/util/kvm-stat.h
@@ -7,6 +7,7 @@
 #include "tool.h"
 #include "sort.h"
 #include "stat.h"
+#include "symbol.h"
 #include "record.h"
 
 #define KVM_EVENT_NAME_LEN	40
@@ -88,6 +89,9 @@ struct perf_kvm_stat {
 	const char *sort_key;
 	int trace_vcpu;
 
+	/* Used when process events */
+	struct addr_location al;
+
 	struct exit_reasons_table *exit_reasons;
 	const char *exit_reasons_isa;