rtl88x2CE_WiFi_linux driver

hc

2024-05-10 cde9070d9970eef1f7ec2360586c802a16230ad8

 kernel/tools/perf/arch/x86/util/intel-bts.c
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@@ -1,16 +1,7 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * intel-bts.c: Intel Processor Trace support
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  * Copyright (c) 2013-2015, Intel Corporation.
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- *
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- * This program is free software; you can redistribute it and/or modify it
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- * under the terms and conditions of the GNU General Public License,
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- * version 2, as published by the Free Software Foundation.
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- *
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- * This program is distributed in the hope it will be useful, but WITHOUT
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- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
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- * more details.
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- *
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  */
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6
 
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 #include <errno.h>
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@@ -18,17 +9,21 @@
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 #include <linux/types.h>
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 #include <linux/bitops.h>
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 #include <linux/log2.h>
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+#include <linux/zalloc.h>
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-#include "../../util/cpumap.h"
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-#include "../../util/evsel.h"
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-#include "../../util/evlist.h"
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-#include "../../util/session.h"
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-#include "../../util/util.h"
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-#include "../../util/pmu.h"
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-#include "../../util/debug.h"
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-#include "../../util/tsc.h"
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-#include "../../util/auxtrace.h"
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-#include "../../util/intel-bts.h"
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+#include "../../../util/cpumap.h"
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+#include "../../../util/event.h"
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+#include "../../../util/evsel.h"
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+#include "../../../util/evlist.h"
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+#include "../../../util/mmap.h"
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+#include "../../../util/session.h"
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+#include "../../../util/pmu.h"
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+#include "../../../util/debug.h"
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+#include "../../../util/record.h"
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+#include "../../../util/tsc.h"
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+#include "../../../util/auxtrace.h"
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+#include "../../../util/intel-bts.h"
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+#include <internal/lib.h> // page_size
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 #define KiB(x) ((x) * 1024)
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 #define MiB(x) ((x) * 1024 * 1024)
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@@ -44,7 +39,7 @@
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 struct intel_bts_recording {
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 	struct auxtrace_record		itr;
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 	struct perf_pmu			*intel_bts_pmu;
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-	struct perf_evlist		*evlist;
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+	struct evlist		*evlist;
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 	bool				snapshot_mode;
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 	size_t				snapshot_size;
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 	int				snapshot_ref_cnt;
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@@ -59,14 +54,14 @@
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54
 
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 static size_t
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 intel_bts_info_priv_size(struct auxtrace_record *itr __maybe_unused,
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-			 struct perf_evlist *evlist __maybe_unused)
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+			 struct evlist *evlist __maybe_unused)
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 {
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 	return INTEL_BTS_AUXTRACE_PRIV_SIZE;
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 }
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61
 
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 static int intel_bts_info_fill(struct auxtrace_record *itr,
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 			       struct perf_session *session,
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-			       struct auxtrace_info_event *auxtrace_info,
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+			       struct perf_record_auxtrace_info *auxtrace_info,
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 			       size_t priv_size)
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 {
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 	struct intel_bts_recording *btsr =
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@@ -80,10 +75,10 @@
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 	if (priv_size != INTEL_BTS_AUXTRACE_PRIV_SIZE)
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 		return -EINVAL;
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-	if (!session->evlist->nr_mmaps)
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+	if (!session->evlist->core.nr_mmaps)
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 		return -EINVAL;
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-	pc = session->evlist->mmap[0].base;
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+	pc = session->evlist->mmap[0].core.base;
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 	if (pc) {
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 		err = perf_read_tsc_conversion(pc, &tc);
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 		if (err) {
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@@ -108,27 +103,32 @@
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 }
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 static int intel_bts_recording_options(struct auxtrace_record *itr,
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-				       struct perf_evlist *evlist,
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+				       struct evlist *evlist,
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 				       struct record_opts *opts)
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 {
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 	struct intel_bts_recording *btsr =
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 			container_of(itr, struct intel_bts_recording, itr);
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 	struct perf_pmu *intel_bts_pmu = btsr->intel_bts_pmu;
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-	struct perf_evsel *evsel, *intel_bts_evsel = NULL;
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-	const struct cpu_map *cpus = evlist->cpus;
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-	bool privileged = geteuid() == 0 || perf_event_paranoid() < 0;
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+	struct evsel *evsel, *intel_bts_evsel = NULL;
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+	const struct perf_cpu_map *cpus = evlist->core.cpus;
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+	bool privileged = perf_event_paranoid_check(-1);
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+
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+	if (opts->auxtrace_sample_mode) {
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+		pr_err("Intel BTS does not support AUX area sampling\n");
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+		return -EINVAL;
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+	}
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 	btsr->evlist = evlist;
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 	btsr->snapshot_mode = opts->auxtrace_snapshot_mode;
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 	evlist__for_each_entry(evlist, evsel) {
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-		if (evsel->attr.type == intel_bts_pmu->type) {
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+		if (evsel->core.attr.type == intel_bts_pmu->type) {
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 			if (intel_bts_evsel) {
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 				pr_err("There may be only one " INTEL_BTS_PMU_NAME " event\n");
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 				return -EINVAL;
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 			}
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-			evsel->attr.freq = 0;
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-			evsel->attr.sample_period = 1;
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+			evsel->core.attr.freq = 0;
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+			evsel->core.attr.sample_period = 1;
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 			intel_bts_evsel = evsel;
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 			opts->full_auxtrace = true;
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 		}
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@@ -142,7 +142,7 @@
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 	if (!opts->full_auxtrace)
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 		return 0;
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-	if (opts->full_auxtrace && !cpu_map__empty(cpus)) {
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+	if (opts->full_auxtrace && !perf_cpu_map__empty(cpus)) {
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 		pr_err(INTEL_BTS_PMU_NAME " does not support per-cpu recording\n");
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 		return -EINVAL;
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 	}
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@@ -223,25 +223,25 @@
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 		 * In the case of per-cpu mmaps, we need the CPU on the
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 		 * AUX event.
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 		 */
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-		if (!cpu_map__empty(cpus))
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-			perf_evsel__set_sample_bit(intel_bts_evsel, CPU);
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+		if (!perf_cpu_map__empty(cpus))
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+			evsel__set_sample_bit(intel_bts_evsel, CPU);
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 	}
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 	/* Add dummy event to keep tracking */
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 	if (opts->full_auxtrace) {
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-		struct perf_evsel *tracking_evsel;
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+		struct evsel *tracking_evsel;
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 		int err;
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 		err = parse_events(evlist, "dummy:u", NULL);
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 		if (err)
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 			return err;
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-		tracking_evsel = perf_evlist__last(evlist);
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+		tracking_evsel = evlist__last(evlist);
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 		perf_evlist__set_tracking_event(evlist, tracking_evsel);
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-		tracking_evsel->attr.freq = 0;
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-		tracking_evsel->attr.sample_period = 1;
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+		tracking_evsel->core.attr.freq = 0;
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+		tracking_evsel->core.attr.sample_period = 1;
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 	}
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 	return 0;
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@@ -322,11 +322,11 @@
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 {
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 	struct intel_bts_recording *btsr =
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 			container_of(itr, struct intel_bts_recording, itr);
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-	struct perf_evsel *evsel;
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+	struct evsel *evsel;
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 	evlist__for_each_entry(btsr->evlist, evsel) {
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-		if (evsel->attr.type == btsr->intel_bts_pmu->type)
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-			return perf_evsel__disable(evsel);
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+		if (evsel->core.attr.type == btsr->intel_bts_pmu->type)
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+			return evsel__disable(evsel);
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 	}
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 	return -EINVAL;
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 }
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@@ -335,11 +335,11 @@
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 {
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 	struct intel_bts_recording *btsr =
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 			container_of(itr, struct intel_bts_recording, itr);
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-	struct perf_evsel *evsel;
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+	struct evsel *evsel;
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339
 
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 	evlist__for_each_entry(btsr->evlist, evsel) {
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-		if (evsel->attr.type == btsr->intel_bts_pmu->type)
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-			return perf_evsel__enable(evsel);
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+		if (evsel->core.attr.type == btsr->intel_bts_pmu->type)
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+			return evsel__enable(evsel);
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 	}
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 	return -EINVAL;
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 }
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@@ -413,20 +413,6 @@
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 	return err;
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 }
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-static int intel_bts_read_finish(struct auxtrace_record *itr, int idx)
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-{
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-	struct intel_bts_recording *btsr =
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-			container_of(itr, struct intel_bts_recording, itr);
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-	struct perf_evsel *evsel;
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-
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-	evlist__for_each_entry(btsr->evlist, evsel) {
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-		if (evsel->attr.type == btsr->intel_bts_pmu->type)
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-			return perf_evlist__enable_event_idx(btsr->evlist,
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-							     evsel, idx);
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-	}
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-	return -EINVAL;
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-}
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-
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 struct auxtrace_record *intel_bts_recording_init(int *err)
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 {
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 	struct perf_pmu *intel_bts_pmu = perf_pmu__find(INTEL_BTS_PMU_NAME);
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@@ -447,6 +433,7 @@
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 	}
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 	btsr->intel_bts_pmu = intel_bts_pmu;
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+	btsr->itr.pmu = intel_bts_pmu;
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 	btsr->itr.recording_options = intel_bts_recording_options;
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 	btsr->itr.info_priv_size = intel_bts_info_priv_size;
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 	btsr->itr.info_fill = intel_bts_info_fill;
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@@ -456,7 +443,7 @@
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 	btsr->itr.find_snapshot = intel_bts_find_snapshot;
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 	btsr->itr.parse_snapshot_options = intel_bts_parse_snapshot_options;
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 	btsr->itr.reference = intel_bts_reference;
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-	btsr->itr.read_finish = intel_bts_read_finish;
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+	btsr->itr.read_finish = auxtrace_record__read_finish;
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 	btsr->itr.alignment = sizeof(struct branch);
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 	return &btsr->itr;
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 }