From 6778948f9de86c3cfaf36725a7c87dcff9ba247f Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 11 Dec 2023 08:20:59 +0000
Subject: [PATCH] kernel_5.10 no rt
---
kernel/tools/perf/arch/arm64/util/arm-spe.c | 84 ++++++++++++++++++++----------------------
1 files changed, 40 insertions(+), 44 deletions(-)
diff --git a/kernel/tools/perf/arch/arm64/util/arm-spe.c b/kernel/tools/perf/arch/arm64/util/arm-spe.c
index 5ccfce8..37765e2 100644
--- a/kernel/tools/perf/arch/arm64/util/arm-spe.c
+++ b/kernel/tools/perf/arch/arm64/util/arm-spe.c
@@ -8,17 +8,20 @@
#include <linux/types.h>
#include <linux/bitops.h>
#include <linux/log2.h>
+#include <linux/zalloc.h>
#include <time.h>
-#include "../../util/cpumap.h"
-#include "../../util/evsel.h"
-#include "../../util/evlist.h"
-#include "../../util/session.h"
-#include "../../util/util.h"
-#include "../../util/pmu.h"
-#include "../../util/debug.h"
-#include "../../util/auxtrace.h"
-#include "../../util/arm-spe.h"
+#include "../../../util/cpumap.h"
+#include "../../../util/event.h"
+#include "../../../util/evsel.h"
+#include "../../../util/evlist.h"
+#include "../../../util/session.h"
+#include <internal/lib.h> // page_size
+#include "../../../util/pmu.h"
+#include "../../../util/debug.h"
+#include "../../../util/auxtrace.h"
+#include "../../../util/record.h"
+#include "../../../util/arm-spe.h"
#define KiB(x) ((x) * 1024)
#define MiB(x) ((x) * 1024 * 1024)
@@ -26,19 +29,19 @@
struct arm_spe_recording {
struct auxtrace_record itr;
struct perf_pmu *arm_spe_pmu;
- struct perf_evlist *evlist;
+ struct evlist *evlist;
};
static size_t
arm_spe_info_priv_size(struct auxtrace_record *itr __maybe_unused,
- struct perf_evlist *evlist __maybe_unused)
+ struct evlist *evlist __maybe_unused)
{
return ARM_SPE_AUXTRACE_PRIV_SIZE;
}
static int arm_spe_info_fill(struct auxtrace_record *itr,
struct perf_session *session,
- struct auxtrace_info_event *auxtrace_info,
+ struct perf_record_auxtrace_info *auxtrace_info,
size_t priv_size)
{
struct arm_spe_recording *sper =
@@ -48,7 +51,7 @@
if (priv_size != ARM_SPE_AUXTRACE_PRIV_SIZE)
return -EINVAL;
- if (!session->evlist->nr_mmaps)
+ if (!session->evlist->core.nr_mmaps)
return -EINVAL;
auxtrace_info->type = PERF_AUXTRACE_ARM_SPE;
@@ -58,27 +61,27 @@
}
static int arm_spe_recording_options(struct auxtrace_record *itr,
- struct perf_evlist *evlist,
+ struct evlist *evlist,
struct record_opts *opts)
{
struct arm_spe_recording *sper =
container_of(itr, struct arm_spe_recording, itr);
struct perf_pmu *arm_spe_pmu = sper->arm_spe_pmu;
- struct perf_evsel *evsel, *arm_spe_evsel = NULL;
- bool privileged = geteuid() == 0 || perf_event_paranoid() < 0;
- struct perf_evsel *tracking_evsel;
+ struct evsel *evsel, *arm_spe_evsel = NULL;
+ bool privileged = perf_event_paranoid_check(-1);
+ struct evsel *tracking_evsel;
int err;
sper->evlist = evlist;
evlist__for_each_entry(evlist, evsel) {
- if (evsel->attr.type == arm_spe_pmu->type) {
+ if (evsel->core.attr.type == arm_spe_pmu->type) {
if (arm_spe_evsel) {
pr_err("There may be only one " ARM_SPE_PMU_NAME "x event\n");
return -EINVAL;
}
- evsel->attr.freq = 0;
- evsel->attr.sample_period = 1;
+ evsel->core.attr.freq = 0;
+ evsel->core.attr.sample_period = 1;
arm_spe_evsel = evsel;
opts->full_auxtrace = true;
}
@@ -117,23 +120,29 @@
*/
perf_evlist__to_front(evlist, arm_spe_evsel);
- perf_evsel__set_sample_bit(arm_spe_evsel, CPU);
- perf_evsel__set_sample_bit(arm_spe_evsel, TIME);
- perf_evsel__set_sample_bit(arm_spe_evsel, TID);
+ evsel__set_sample_bit(arm_spe_evsel, CPU);
+ evsel__set_sample_bit(arm_spe_evsel, TIME);
+ evsel__set_sample_bit(arm_spe_evsel, TID);
+
+ /*
+ * Set this only so that perf report knows that SPE generates memory info. It has no effect
+ * on the opening of the event or the SPE data produced.
+ */
+ evsel__set_sample_bit(arm_spe_evsel, DATA_SRC);
/* Add dummy event to keep tracking */
err = parse_events(evlist, "dummy:u", NULL);
if (err)
return err;
- tracking_evsel = perf_evlist__last(evlist);
+ tracking_evsel = evlist__last(evlist);
perf_evlist__set_tracking_event(evlist, tracking_evsel);
- tracking_evsel->attr.freq = 0;
- tracking_evsel->attr.sample_period = 1;
- perf_evsel__set_sample_bit(tracking_evsel, TIME);
- perf_evsel__set_sample_bit(tracking_evsel, CPU);
- perf_evsel__reset_sample_bit(tracking_evsel, BRANCH_STACK);
+ tracking_evsel->core.attr.freq = 0;
+ tracking_evsel->core.attr.sample_period = 1;
+ evsel__set_sample_bit(tracking_evsel, TIME);
+ evsel__set_sample_bit(tracking_evsel, CPU);
+ evsel__reset_sample_bit(tracking_evsel, BRANCH_STACK);
return 0;
}
@@ -155,20 +164,6 @@
free(sper);
}
-static int arm_spe_read_finish(struct auxtrace_record *itr, int idx)
-{
- struct arm_spe_recording *sper =
- container_of(itr, struct arm_spe_recording, itr);
- struct perf_evsel *evsel;
-
- evlist__for_each_entry(sper->evlist, evsel) {
- if (evsel->attr.type == sper->arm_spe_pmu->type)
- return perf_evlist__enable_event_idx(sper->evlist,
- evsel, idx);
- }
- return -EINVAL;
-}
-
struct auxtrace_record *arm_spe_recording_init(int *err,
struct perf_pmu *arm_spe_pmu)
{
@@ -186,12 +181,13 @@
}
sper->arm_spe_pmu = arm_spe_pmu;
+ sper->itr.pmu = arm_spe_pmu;
sper->itr.recording_options = arm_spe_recording_options;
sper->itr.info_priv_size = arm_spe_info_priv_size;
sper->itr.info_fill = arm_spe_info_fill;
sper->itr.free = arm_spe_recording_free;
sper->itr.reference = arm_spe_reference;
- sper->itr.read_finish = arm_spe_read_finish;
+ sper->itr.read_finish = auxtrace_record__read_finish;
sper->itr.alignment = 0;
*err = 0;
--
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