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perf kvm: Parse address location for samples

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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 <james.clark@arm.com>
Signed-off-by: Leo Yan <leo.yan@linaro.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: John Garry <john.g.garry@oracle.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: linux-arm-kernel@lists.infradead.org
Link: https://lore.kernel.org/r/20230315145112.186603-2-leo.yan@linaro.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Leo Yan 2023-03-15 22:51:04 +08:00 committed by Arnaldo Carvalho de Melo
parent 730651f717
commit 001b08f4e2
2 changed files with 9 additions and 0 deletions
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5
tools/perf/builtin-kvm.c
View File

@ -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",

4
tools/perf/util/kvm-stat.h
View File

@ -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;