[PATCH v5 08/16] perf kvm: Parse address location for samples

Leo Yan
2023-03-15T14:52:59Z

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

Signed-off-by: Leo Yan <leo.yan@linaro.org>
Reviewed-by: James Clark <james.clark@arm.com>
---
tools/perf/builtin-kvm.c | 5 +++++
tools/perf/util/kvm-stat.h | 4 ++++
2 files changed, 9 insertions(+)

diff --git a/tools/perf/builtin-kvm.c b/tools/perf/builtin-kvm.c
index 5ea723fd45a4..fa91c8deb628 100644
--- a/tools/perf/builtin-kvm.c
+++ b/tools/perf/builtin-kvm.c
@@ -704,6 +704,11 @@ 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;

--
2.34.1